Talbot Straps and Ferrules Data Sheet.

qxp 25/06/2007 09:17 Page 1

Service Connections - Straps and Ferrules

The Talbot range of Self Tapping Ferrule Straps, Swivel

Talbot
Service Connections
Ferrules and Flat Boss Straps can be used to connect PE
pipes to almost any type and size of mains pipe material from
32mm in diameter.
Straps and Ferrules for Mains  Straps are available up to 315mm in diameter as standard
to Service Pipe Connections with larger sizes available on request.
Benefits  Ferrules can be inserted directly into suitable mains pipe of
 Available in a range of self tapping any size as long as both wall section and wall strength allow.
ferrule straps and flat boss straps
to suit mains pipe from 32mm.
 Ferrules are available 1/2 to 2 “
20mm to 63mm outlets
 Design and selection of materials
gives high strength for reliable
installation and light weight for
easy handling
 Quick and efficient installation
onto all common pipe materials in
virtually any trench condition, wet
or dry
 Prolonged life of fitting due to the
high quality corrosion resistant
materials used

Technical data General application

Pressures: Working: 16 bar Test: 24 bar Talbot straps and ferrules can be used to
The pressures stated above apply with water take service pipe connections from mains of
temperatures up to 20°C 1” (32mm) to 12” (315mm) using ferrule
Temperature: Up to 40°C outlets of 20mm (1/2”) to 63mm (2”) for
For further information relating to operating PE pipe. Talbot straps are simply clamped
temperatures please contact our customer service onto the pipe needing no specialised
department at the telephone number shown below.
equipment to fit so can be installed easily
Sizes: in wet and congested trench conditions,
Mains pipe: From 32mm offering many benefits over welded
Stems: 1/2” - 2” systems.
Outlets: 20mm (1/2”) - 63mm (2”) All fittings are WRAS listed with the exception
Materials: of recent additions which may have been
submitted but not yet tested.
Metals: Aluminium Bronze (BS1400 AB1)
(BS EN 1982 Grade CC331G) Range
Gunmetal (BS1400 LG2)  Plastic Self Tapping Ferrule Straps (page 2)
(BS EN 1982 Grade CC491K)  Gunmetal Self Tapping Ferrule Straps (page 2)
DZR Brass (CZ132M BS2874)  Bronze Self Tapping Ferrule Straps (page 2)
(BS EN 12164 Grade CW602N)
 Swivel Ferrules (page 4)
Plastics: Acetal or Polypropylene  Flat Boss Straps (page 6)
Fasteners: Stainless steel (A4 or A2)
Seals: Nitrile or EPDM Safety
As with all industrial products it is important
Technical help to take adequate safety precautions such as
For further technical data, product specifications the use of adequate protective clothing like
and general information please contact our gloves, overalls, eye protection and safety
Customer Service Department at the telephone footwear during installation, use and
number shown below. maintenance of these products.

Tel: +44 (0)1675 437 900 Fax: +44 (0)1675 437 909
e-mail: wwinfo@tyco-valves.com www.tycowaterworks.com
Talbot Straps and Ferrules Data Sheet.qxp 25/06/2007 09:18 Page 2

Service Connections - Self Tapping Ferrule Straps

2
Talbot Plastic Self Tapping Ferrule Straps
The Talbot all Plastic Self Tapping secure a leak-free and robust
Ferrule Strap is a design that combines connection. This also significantly
tried and tested technology with reduces installation time.
revolutionary design concepts. Suitable The strap incorporates an integral
for use on PVC or PE pipe, the Talbot ferrule with a self contained cutter, so
Plastic Self Tapping Ferrule Strap is eliminating the need for drilling
lightweight and can be used in any machines. This specially designed
situation in place of a welded or cutter greatly reduces the risk of
traditional gunmetal strap. bursting the main or creating a swarf
A unique wedge system is used to blockage whilst cutting.
Benefits
 Quick and simple to install
Using a unique securing system
requiring no special tools the strap is
quickly and easily secured to the main,
consistently providing a robust and leak
free connection even in wet and
congested trench conditions

 Plastic construction
Design and selection of materials gives
high strength for reliable installation and
operation and light weight for easy
handling

 No special equipment or controlled

conditions needed
The Talbot Plastic Self Tapping Ferrule
Strap enables connections to be made
to almost any type and size of PE or PVC
mains, making it a viable alternative to
electrofusion.

Talbot Bronze Self Tapping Ferrule Straps

Talbot Bronze Self Tapping Ferrule Straps for PE, PVC and AC pipe incorporate an
integral ferrule with a self contained cutter, eliminating the need for drilling machines.
Straps are made from aluminium bronze or gunmetal or a combination of aluminium
bronze or gunmetal and plastic making the product durable and corrosion resistant.
The strap also uses a specially designed cutter, which tests show greatly reduces the
risk of bursting a PVC main or creating a swarf blockage whilst cutting. Aluminium
bronze straps have the added benefit of reduced weight.
 No Special Squipment or
Controlled Conditions Needed
The fitting has an integral cutter and
requires only a spanner and standard
ferrule key to install and carry out the
drilling operation, dry or underpressure
and in wet and congested trench
conditions making it a viable alternative
to electrofusion
 Integral Cutter
The integral cutter is designed to greatly
reduce the risk of fracturing PVC pipe
during the drilling procedure. Its design The materials used in Talbot Straps are
also reduces the chance of swarf WRAS listed. For further technical data,
blockage whilst tapping by retaining the product specifications and general informa-
polyethylene/PVC slug. The cutter also tion please contact our Customer Service
provides a shut off facility once the Department at the telephone number
tapping has been made shown on the back of this data sheet

Service Connections for Rigid and PE Pipes

Talbot Straps and Ferrules
Talbot Straps and Ferrules Data Sheet.qxp 25/06/2007 09:18 Page 3

Service Connections - Ferrule Straps

3
Installation Instructions For Self Tapping Ferrule Straps
Plastic Straps Instructions Gunmetal Straps
Fig. 1a The design of Talbot Straps make them Fig. 1
Sealing very simple to use. For easy, trouble free
Ring
installation the steps detailed below should
be followed.
Strap Top Sealing
After selecting the correctly sized strap for Ring
the main, check that the cutter is retracted
Locating up into the stem and does not protrude
Pegs through the bottom of the strap.
Main Main
Strap 1. For the bronze strap, fit the top half of the
Bottom strap on the main ensuring that the
sealing ring is correctly positioned
between the main and the underside of
Securing Bolts
the strap boss (see Fig. 1).
Fig. 1b
Locate the bottom half of the strap below
the top half and, using the two nuts and
Wedges bolts provided, bolt the two halves Fig. 2
together and tighten evenly. Make sure
that the strap sits squarely on the main Ferrule Key
and then tighten each nut a further two
and a half turns, a torque setting of
approximately 10 lb/ft (13.6 Nm)
2. For the plastic strap, position the bottom
half of the strap under the main and ‘snap’
Main
it into position. The strap is designed to be Top Cap
retained on the main and will not need to Banjo
Plastic Top Plug Fig. 2
be held in position.
Fit the strap top, ensuring that the
Ferrule Key locating pegs, top and bottom are aligned
Top Cap
Banjo
and interlocked (See Fig. 1b). Before
securing both halves of the strap around
the main with the two wedges ensure
that the directional arrows on both the Fig. 3
strap top and locking wedges point in the Ferrule Key
same direction. Slide both wedges into
position on either side of the strap (See
Fig. 3 Fig. 1b) then, using a soft faced mallet,
secure them in place.
Any Any
debris The tapping procedure for both types of debris
Ferrule Key flushed Self Tapping Ferrule Strap is as follows: flushed
out Top Cap
out
3. Remove the plastic top plug and using the Banjo
ferrule key, screw down the self tapping
cutter/plug until it ‘bottoms’ on the seat
(see Fig. 2). Do not over-tighten, a torque
of no more than 10 Nm, 7.4 lb/ft is needed.
4. Wind the cutter/plug back to allow a
small amount of water to go to waste to Fig. 4
flush out any debris (see Fig.3). Top Plug

Plastic
Fig. 4 5. Wind the cutter/plug back down onto its
Top Plug seat to seal off the connection (do not
overtighten).
Ferrule Key Service Pipe
6. Connect the service pipe to the banjo .
Top
Cap Banjo Top Cap
7. Ensure the top cap is tightened down on
to the banjo (hand tight plus a 1/2 turn,
15 Nm - 11 lb/ft) then wind the
cutter/plug back to seal in the top cap (do
not overtighten, a torque of no more than
6 Nm, 4.4 lb/ft is needed).
8. Replace the plastic top plug.
The connection
Service is now made.for
Connections Rigid and PE Pipes
Talbot Straps and Ferrules
Talbot Straps and Ferrules Data Sheet.qxp 25/06/2007 09:19 Page 4

Service Connections - Swivel Ferrules

4
Talbot Swivel Ferrules Notes
The Talbot Swivel Ferrule provides a Ferrules should not be inserted directly
quick, permanent, leak free service into PVC or AC mains. The walls of
connection, consisting of a stem with these pipes are not strong enough to
an inner plug for valve isolation and a hold the stem. The manufacturers of
360° swivel outlet at 90° to the stem. ductile iron and steel mains pipe
The ferrule outlet provides a direct should be consulted for their specific
connection to the service line from 1/2” recommendations regarding tapping
to 2” nominal bore diameter (20mm to directly into these pipe materials.
63mm PE pipe OD) via an integral joint Typically it is advised that the nominal
in the ferrule banjo so no adaptor is diameter of the tapping should not
needed. The ferrule will provide service exceed 1/4 of the nominal diameter of
connections dry or underpressure the main for direct ferrule insertion
directly into cast iron, ductile iron and without a strap or 1/3 of the nominal on the UPE range of Tapping Tees
steel mains. Asbestos cement and PVC diameter when a strap is used. For please refer to the separate data sheet:
mains can also be tapped via a Talbot tappings larger than this a Tapping Tee Underpressure Tees
Flat Boss Strap. (See page 6) should be used. (for further information (reference number TUPE007)

 Quick and simple to install

Quick, permanent, leak free connection provided by a tried and tested design
 Extensive range
A range has been developed which enables the user to make connections to almost any
type of mains and service pipe, either underpressure or dry
 Robust and long lasting
Talbot ferrules can provide years of service in even the most aggressive soil and water
conditions
 Reliable and leak free
Specifically designed to operate at pressures up to 16 bar (240 psi) subject to the ratings of
pipe and strap if used

Standard Pattern Swivel Ferrule Dimensions

DN 1/2” x 20mm (1/2”) 3/4” x 25mm (3/4”) 1” x 32mm (1”) 11/4” x 40mm (11/4”) 11/2” x 50mm (11/2”) 2” x 63mm (2”) 11/2” x 2”63mm (2”)
(stem/banjo)

Banjo Type Plastic GM Plastic GM Plastic GM Plastic GM Plastic GM Plastic GM Plastic GM

A (mm) 86 86 82 82 94 94 107 107 106 106 120 120 106 106
B (mm) 38 38 38 38 44 44 50 50 50 50 48 48 50 50
C (mm) 97 76 102 95 115 118 144 144 173 166 201 192 201 192
D (mm) 73 54 78 74 88 90 110 110 131 131 152 152 152 152

Screwdown Pattern Swivel Ferrule Dimensions

DN 1/2” x 20mm (1/2”) 3/4” x 25mm (3/4”) 1” x 32mm (1”) 11/4” x 40mm (11/4”) 11/2” x 50mm (11/2”) 2” x 63mm (2”) 11/2” x 2”63mm (2”)
(stem/banjo)

Banjo Type Plastic GM Plastic GM Plastic GM Plastic GM Plastic GM Plastic GM Plastic GM

A (mm) Open 108 108 105 105 116 116 150 150 151 151 168 168 151 151
A (mm) Close 92 92 90 90 97 97 123 123 130 130 137 137 130 130
B (mm) Open 58 58 58 58 65 65 92 92 93 93 100 100 93 93
B (mm) Close 42 42 42 42 46 46 65 65 72 72 70 70 72 72
C (mm) 97 76 83 83 107 107 144 144 173 166 201 192 201 192
D (mm) 54 54 61 61 79 79 110 110 131 131 152 152 152 152
E (mm) 11 11 11 11 16 16 20 20 22 22 25 25 25 25
F (mm) 10 10 10 10 10 10 13 13 17 17 19 19 19 19
Other combinations of stem and banjo are available on request, please contact the Talbot Customer Service Team on the number shown on the back of this data sheet

Pushfit Outlet - (Standard Type) Pushfit Outlet - (Screwdown Type)

F
E
B B

A
A

D
D
C
C

Service Connections for Rigid and PE Pipes

Talbot Straps and Ferrules
Talbot Straps and Ferrules Data Sheet.qxp 25/06/2007 09:19 Page 5

Service Connections - Swivel Ferrules

5
Swivel Ferrule Technical Specification
Standard Pattern Screwdown Pattern Gunmetal
Standard Swivel
Swivel Ferrule Swivel Ferrule Ferrule
General General
The ferrules shall be designed with a Pushfit The ferrules shall be designed with a pushfit
outlet for PE pipe. outlet for PE pipe.
All ferrules shall be designed as a main stem All ferrules shall be designed as a main stem
with a 360° swivel outlet at 90° with with a 360° swivel outlet at 90° with
control of water flow via a threaded inner control of water flow via a threaded inner
plug. The inlet shall be a male taper thread plug. The inlet shall be a male taper thread
to BS 21 (ISO 7/1). to BS 21, ISO 7/1.
The ferrule shall be designed for use The ferrule shall be designed for use
underground and to handle potable water underground and to handle potable water
at temperatures of up to 40°C. at temperatures of up to 40°C.
The ferrule shall work at pressures up to 16 The ferrule shall be capable of working at Gunmetal
bar (240 psi) without leakage. pressures up to 16 bar (240 psi) without Screwdown
Swivel Ferrule
Description of Design leakage. The ferrule shall be easily ‘shut off’
The design of the ferrule will permit service by means of a spindle extending from the
pipe installations via conventional drilling top cap.
and tapping machines, underpressure or Description of Design
dry, with or without service saddles. The The design of the ferrule shall permit service
design of the ferrule shall further permit pipe installation via conventional drilling and
use with conventional drilling machines tapping machines dry or underpressure,
mounted onto the ferrule/strap assembly to with or without service saddles. The design
drill the main via the ferrule stem, dry or of the ferrule shall further permit use with
underpressure. conventional drilling machines which
Construction mount onto the ferrule / strap assembly to
The ferrule stem, banjo, inner plug and drill the main via the ferrule stem waterway,
dry or underpressure. Parts List - Swivel Ferrules
top cap shall be manufactured of Item Description
gunmetal/bronze to BS1400 LG2 or acetal Construction 1 Top plug
thermoplastic polymer in the case of 1/2" to The ferrule stem, banjo, threaded spindle 2 Top Cap
1" only, (a plastic banjo to be available for and top cap shall be manufactured of 3 Top Cap Washer
4 Banjo Washer
11/4" to 2" outlets.) The banjo washers and gunmetal/bronze to BS 1400 LG2. The 5 Banjo
the 11/4" to 2" top cap washer shall be banjo washers and the 11/4" to 2" top cap 6 Inner plug
manufactured in EPDM rubber to BS 2494. washer shall be manufactured in EPDM 6a Spindle inner plug
(Screwdown Ferule only, not illustrated)
The 1/2" to 1" top cap washer shall be rubber to BS 2494. The 1/2" to 1" top cap
7 Stem
manufactured in Polypropylene or Nitrile washer shall be manufactured in
Rubber and shall provide the seal between Polypropylene or Nitrile Rubber and shall 5
the outer body and ferrule stem. The ingress provide the sealing between the outer body
of dirt will be prevented by a plastic top plug. and ferrule stem. 1 2
The Pushfit joint for PE pipe shall consist of The Pushfit joint for PE pipe shall consist of
the following: the following:
 Grip Ring  Grip Ring
 ‘O’ Ring  ‘O’ Ring 4
 Nose Cone Liner:  Nose Cone Liner: 3
In order to meet the requirements of the In order to meet the requirements of the 6
WRAS it is necessary to use a liner or insert WRAS it is necessary to use a liner or insert
with metric MDPE service pipe to BS6572 with metric MDPE service pipe to BS6572
and BS 6730. The liner is not an and BS 6730. The liner is not an 4
integral part of the Pushfit joint and for integral part of the Pushfit joint and for 7
polyethylene pipe other than MDPE, use of polyethylene pipe other than MDPE, use of
the liner is optional. If a liner is not used the the liner is optional. If a liner is not used the
joint will still substantially exceed most joint will still substantially exceed most
international performance requirements. international performance requirements.

All materials used in the Talbot Swivel

Ferrule are WRAS listed and have been
selected to give the best possible overall
performance.

Service Connections for Rigid and PE Pipes

Talbot Straps and Ferrules
Talbot Straps and Ferrules Data Sheet.qxp 25/06/2007 09:19 Page 6

Service Connections - Flat Boss Straps

6
Talbot Flat Boss Straps
Talbot flat boss straps are designed for into the boss of the strap and tappings Talbot solid flat boss straps can also be
making service connections into PVC, from 1/2" to 2" can be made into most used as blanking straps for sealing
asbestos cement, cast iron, ductile iron flat boss straps. Alternatively the strap existing holes in mains after removal of a
and steel mains. A ferrule can then be can be pre-drilled and tapped and fitted ferrule. Talbot flat boss straps are made
inserted into the main via the strap boss with a ferrule prior to delivery for use from corrosion resistant materials to
using drilling and tapping equipment on asbestos cement and PVC mains. give years of trouble free service.
whilst the main is pressurised or dry. The wall of the pipe is then simply Note: flat boss straps can be supplied
The Talbot flat boss strap range drilled using under pressure drilling with a 3/8“ hole through the boss to
provides maximum thread engagement equipment. help the drilling and tapping process.
 Quick and simple to install
Quick, permanent, leak free connection provided by a tried and tested design
 Extensive range
A range has been developed which enables the user to make connections to almost any
type of mains pipe, either underpressure or dry
 Robust and long lasting
Straps made from gunmetal are immune to corrosion and so give years of trouble free
service
 Reliable and leak free
Provides maximum thread engagement for leak free connections suitable for a working
pressure up to 16 bar (240 psi).
Flat Boss Strap Assembly Instructions
sealing For easy trouble free installation the steps detailed below should be followed:
strap
boss ring 1. Select the correct size and type of strap for the main.
2. Place the sealing ring in the groove in the underside of the strap boss (many straps are
supplied with the sealing ring pre-bonded into position making assembly even easier)
top half and position the upper half of the strap on the main ensuring that the sealing ring remains
of strap snug in the groove.
3. Locate the bottom of the strap under the main below the top half of the strap.
main 4. Using the two nuts and bolts provided bolt the two halves together ensuring the bolts
point upwards. Finger tighten the bolts evenly, keeping the gaps between the lugs equal
top half on each side.
of strap 5. Check that the strap sits squarely on the main then hand tighten each nut. Tighten each nut
a further two and a half turns or to a torque setting of approximately 10 lb/ft (13.6Nm).
The strap is now secured to the main.
strap
lugs Notes

main
bottom half  Talbot recommend the use of a strap on ductile iron pipes below 12” (300mm) in diameter
of strap as the wall thickness is generally less than that of cast iron pipes and insufficient to tap
directly without risking the threads stripping.
Keep the gaps between the lugs  Always ensure that the correct type and size of strap is used for the main.
equal on each side when tightening
 Always use a strap on asbestos cement, PVC and PE mains.
 Always have the strap pre-drilled by Talbot if the service valve size is known. This will make
securing the tapping of the connection easier on site.
bolts
 Always take care when fitting the strap and ensure that the ‘O’ ring or sealing ring is
correctly in place under the boss of the strap.
 Never over tighten the bolts on the strap. This can cause damage to the lugs or leaks to
occur due to distortions in the pipe.
 Never attempt to cut the same size thread into existing, pre-drilled and tapped straps.
Cutting the new thread will damage the old one.
Flat Boss Strap Technical Specification
General pre-drilled with a 3/8" hole or drilled and The design shall be suitable for use with
The flat boss strap shall be of single band tapped for tapered internal pipe threads in conventional drilling and tapping machines
design, shaped to the pipe diameter to accordance with ISO 7/1and BS 21. that mount onto the strap assembly.
which it is to be fitted. Straps shall be capable of withstanding a The design shall be suitable for use with
All straps shall be in two parts, top and working pressure up to 16 bar (240 psi) standard pattern 360° swivel ferrules.
bottom, bolted at both sides. without leaking.
Construction
All straps shall be fitted with a rubber sealing Description of Design The Straps will be manufactured from
gasket. The design of the strap shall be suitable for Gunmetal Bronze to BS1400 grade LG2
All straps shall be available undrilled, use with PVC, AC, Steel, DI and CI mains. (BS EN 1982 grade CC491K)

Service Connections for Rigid and PE Pipes

Talbot Straps and Ferrules
Talbot Straps and Ferrules Data Sheet.qxp 25/06/2007 09:20 Page 7

Service Connections - Range

7
Range Information
The following tables are intended to act as a general guideline only. For further, more detailed information on the Talbot range of
straps and ferrules, please contact the Talbot Customer Service Department at the telephone number shown below.
Gunmetal and Acetal Swivel Ferrules - Screwdown and Standard Types
Inlet Size Outlet Size
20mm/1/2” 25mm/ 3/4” 32mm/1” 50mm/11/2” 63mm/2”
1/2”   - - -
3/4”    - -
1” - -  - -
11/2” - - - * *
2” - - - - *
 All sizes of Talbot ferrule are available in both standard and screwdown configurations and are all supplied with Talbot
Pushfit for PE outlets
 20mm/1/2”, 25mm/3/4” and 32mm/1” banjos are available in gunmetal or acetal
 50mm/11/2” and 63mm/2” banjos are available only in gunmetal
Gunmetal Self Tapping Ferrule Straps
Size of strap Type of Pipe Stem Size
Tolerance PE PVC AC 20mm (1/2”) 25mm (3/4”) 32mm (1”)
32mm - 33.7mm   -   -
48.1mm-50.4mm   -   -
60.2mm - 64.2mm   -   -
73mm - 76mm   -   
88mm - 92mm   -   
96mm - 101mm - -    -
110mm - 118mm   -   
122mm - 130mm  -    
138mm - 146mm   -     When tapping AC or Plastic Pipes, the wall thickness
of the pipe must be considered. Reference should be
155mm - 163mm       made to the Talbot Customer Service Team in the
165mm - 173mm -  -    following instancies:
177mm - 185mm  -     AC pipes:
195mm - 203mm   -    If the wall thickness is likely to exceed 18mm at the
point of tapping. This may occur on pipes over
217mm - 225mm   -   
6”/150mm diameter.
238mm - 246mm - -    - Plastic pipes:
250mm - 258mm  - -    If the wall thickness is likely to exceed 19mm at the
268mm - 276mm -      point of tapping. This may occur on some SDR ratings
276mm - 284mm  - -    of plastic pipes over 200mm in diameter.
294mm - 302mm - -    -  20mm (1/2”), 25mm (3/4”) and 32mm (1”) banjos are
available in gunmetal or acetal, please specify when
315mm - 316mm  - -    ordering.
322mm - 330mm -  -     Cutters are not available for use in 1” stems for AC pipe

Plastic Self Tapping Ferrule Straps Gunmetal Flat Boss Straps

Size PE Metric PVC Imperial PVC Size of strap Type of Pipe Size of Tapping
63mm   - Tolerance CI DI PE PVC Steel AC No tapping 1/2” 3/4” 1” 11/2” 2”
90mm   - 32mm - 33.7mm - -    -    - - -
110mm   - 48.1mm-50.4mm - -    -    - - -
125mm  - - 60.2mm - 64.2mm - -    -    - - -
160mm   - 73mm - 76mm - -   - -     - -
180mm  - -
88mm - 92mm - -    -      -
2” (60mm OD) - - 
96mm - 101mm -  - - -       -
3” (89mm OD) - - 
110mm - 118mm -     -      
4” (114mm OD) - - 
122mm - 130mm -   - -       
Unless otherwise stated all plastic Self Tapping
138mm - 146mm -     -      
Ferrule Straps are supplied with either 20, 25, or
155mm - 183mm            
32mm acetal Talbot Pushfit banjos for PE pipe.
Please specify your requirements when ordering. 165mm - 173mm -    - -      
177mm - 185mm - -   -       
195mm - 203mm - -   - -      
217mm - 225mm -     -      
229mm - 237mm - - - - -       
238mm - 246mm - - - -        
250mm - 258mm - -   - -      
259mm - 267mm - - - - -       
268mm - 276mm -  -  - -      
322mm - 330mm - -    -      

 Straps are supplied thin pattern as standard.

Thick pattern alternatives available to order.
 Flat boss straps over 300mm can be made to
order
 Flat boss straps can be supplied with a 3/8“
hole through the boss to help in the drilling
and tapping process.
 The size of the strap boss may restrict the size
of the maximum allowed tapping. See the
above table for further details.

Service Connections for Rigid and PE Pipes

Talbot Straps and Ferrules
Talbot Straps and Ferrules Data Sheet.qxp 25/06/2007 09:20 Page 8

Service Connections - Straps and Ferrules

8
Standard Outside Pipe Diameter Guide Chart
Metric Imperial Cast Iron and Steel UPVC ABS Ductile GRP Metric AC
Nominal Plastic A C (turned end) Iron (turned end)
Bore Metric PVC BS1211 (up to & including 27” NB) ISO/4200 BS1387 BS3600 & API 5L BS3505 BS3506 BS5391 BS4772 BS5480 BS486
MOPVC BS78, BS486 BS3601 & BS1600 DIN28601
PE (pipe ends (up to & DIN28602
Hep30 to BS534) including DIN28603
Class Class Non Series 1 Series 2 Series 3 36”NB) DIN28605 Class 15 Class 20 Class 25
AB Only CD Only Standard

}
EN545
25mm 25 33.7 32.0 30.0 35.0 33.7 33.6 33.4 33.6 33.6 33.6
1”
32mm 32 42.4 40.0 44.5 42.4 42.3 42.2 42.3 42.3 42.3
1.25”
40mm 40 55.9 55.9 57.0 48.3 57.0 54.0 48.3 48.3 48.3 48.3 48.3 48.3 56.0
1.5” 2.20 2.20 2.25 DIN28601

50mm 50 69.1 69.1 60.3 63.5 60.3 60.3 60.3 60.3 60.3 60.3 66.0 69.0
2” 2.72 2.72 DIN28605

63mm 63

65mm 65 82.3 82.3 82.5 76.1 70.0 73.0 76.1 76.1 76.1 75.2 75.2 82.0
2.5” 3.24 3.24 3.25 DIN28605

75mm 75

80mm 80 95.5 95.5 88.9 82.5 88.9 88.9 88.9 88.9 88.9 88.9 98.0 96.0
3” 3.76 3.76
90mm 90 101.6 101.6 101.6 101.6
3.5”
100mm 100 121.9 121.9 114.3 127.0 108.0 114.3 114.3 114.3 114.3 114.3 114.3 118.0 122.0
4” 4.80 4.80
110mm 110

125mm 125 149.4 149.9 139.7 133.0 141.3 152.4 139.7 139.7 141.3 140.2 140.2 144.0
5” 5.90 5.90 DIN28601/3

140mm 140

150mm 150 177.3 177.3 168.3 159.0 177.8 165.1 168.3 168.3 168.3 168.3 168.3 170.0 177.0 177.0
6” 6.98 6.98
160mm 160

175mm 175 204.7 204.7 193.7 193.7 193.7

7” 8.06 8.06
180mm 180

200mm 200 232.2 232.2 219.1 219.1 219.1 219.1 219.1 219.1 222.0 222.0 232.0 232.0 240.0
8” 9.14 9.14
225mm 225 259.1 259.1 244.5 244.5 244.5 259.0 259.0 268.0
9” 10.20 10.20
250mm 250 286.0 286.0 273.0 273.0 273.1 273.0 273.0 274.0 272.0 286.0 286.0 295.0
10” 11.26 11.26
280mm 280

300mm 300 333.8 345.4 323.9 323.9 323.9 323.9 323.9 326.0 324.0 334.0 345.0 356.0
12” 13.14 13.6
315mm 315

350mm 350 386.6 399.3 355.6 355.6 355.6 355.6 355.6 378.0 376.0 392.0 405.0 419.0
14” 15.22 15.72
355mm 355

375mm 375 413.0 426.2

15” 16.26 16.78
400mm 400 439.0 453.1 406.4 406.4 406.4 406.4 406.4 429.0 427.0 448.0 463.0 478.0
16” 17.30 17.84
450mm 450 492.3 506.9 457.0 457.0 457.0 457.0 457.0 480.0 478.0 498.0 515.0 532.0
18” 19.38 19.96 (BS only)

500mm 500 545.1 560.3 508.0 508.0 508.0 508.0 508.0 532.0 530.0 568.0 586.0 605.0
20” 21.46 22.06
525mm 525 571.5 587.2
21” 22.50 23.12
550mm 550 597.9 613.7 559.0 559.0 559.0 559.0
22” 23.54 24.16
The above table represents a general guideline relating to some of the pipe types and sizes available. A wall chart is available showing the above information including
sizes up to 2 meters. For a copy and for more detailed information please contact the Talbot Customer Service Department on the number shown below.

Tyco Waterworks
Edison Road
Hams Hall Distribution Park
Coleshill, Birmingham
B46 1AB United Kingdom
Telephone: +44 (0)1675 437 900
Facsimile: +44 (0)1675 437 909
e-mail: wwinfo@tyco-valves.com These fittings are designed for the conveyance of cold potable water. Save with the express written
web: www.tycowaterworks.com approval of Talbot, no warranty is given that the fittings are suitable for any other purpose.

We reserve the right to change the design and specification without notice.
© Tyco 2007 2K (06/07) TTAL/200.3