IMO - 208 Issue Date: 1/02

INSTALLATION, MAINTENANCE, AND

OPERATING INSTRUCTIONS

SERIES 6F VALUE-LINE™
1/2” – 3” (DN 50 – 80)
2-PIECE BALL VALVES

Read entire instructions carefully before installation or servicing

1 GENERAL 2 INSTALLATION
This instruction manual contains important information The valve may be installed for flow in either direction. It is
regarding the installation, maintenance and troubleshooting recommended, however, that a screwed valve be installed
of the Jamesbury Series 6F VALUE-LINE 1/2" – 3" (DN 50 – 80) with the body cap facing upstream. Use standard piping
2-Piece Ball Valves. Please read these instructions carefully practices when installing valves with threaded parts.When
and save them for future reference. tightening the valve to the pipe, apply the wrench to the
end nearest the pipe being worked. Adjust packing prior
to installation. See MAINTENANCE Section of this IMO.
1.1 WARNING
FOR YOUR SAFETY, IT IS IMPORTANT THAT THE FOLLOWING PRECAU-
2.1 Disassembly
TIONS BE TAKEN PRIOR TO REMOVAL OF THE VALVE FROM THE LINE
OR BEFORE ANY DISASSEMBLY. NOTE: If complete disassembly becomes necessary,
replacement of all seats and seals is recommended. Refer
1. WEAR ANY PROTECTIVE CLOTHING OR EQUIPMENT NORMALLY to (Table 2).
REQUIRED WHEN WORKING WITH THE FLUID INVOLVED.

2. DEPRESSURIZE THE LINE AND CYCLE THE VALVE AS FOLLOWS: 1. Close the valve. Then remove the upper stem nut (16),
lockwasher (9), handle (15) and lower stem nut (16).
A. PLACE THE VALVE IN THE OPEN POSITION AND DRAIN THE LINE.
2. Remove the compression ring (18).
B. CYCLE THE VALVE TO RELIEVE RESIDUAL PRESSURE IN THE
BODY CAVITY BEFORE REMOVAL FROM THE LINE. 3. Unscrew and remove the body cap (2) and body seal
C. AFTER REMOVAL AND BEFORE ANY DISASSEMBLY, CYCLE THE (6). Heat may be required.
VALVE AGAIN SEVERAL TIMES.
Wrenching here (Hex Flats) Wrenching here (Hex Flats)
3. WHEN INSTALLING OR REMOVING PIPING FROM THE VALVE, when installing or removing when installing or removing
PLACE A WRENCH ON THE BODY OR THE BODY CAP NEAREST pipe this end. pipe this end.
THE END BEING WORKED. MAKE CERTAIN BODY CAP END OF
VALVE DOES NOT TURN OUT OF THE VALVE BODY. (BODY/BODY
CAP JOINT IS A RIGHT HAND THREAD.) NOTE: IF FITTING OF PIPE
REMOVAL IS TO BE A REGULAR PRACTICE, METSO AUTOMATION
RECOMMENDS EITHER THE WELDED BODY CAP VERSION OF THE
ELIMINATOR® OR OTHER VALVE STYLES (CLINCHER®, SERIES 4000),
WHICH ARE OF THE BOLT-TOGETHER OR UNIT BODY DESIGN.

(NOTE: ROUND HANDLES ARE OPTIONALLY AVAILABLE FOR THESE

VALVES IN PLACE OF LEVER HANDLES.) Figure 1
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4. If the ball (3) and seats (5) do not fall from the body 9. Insert the body cap (2), screw it down and tighten to
with the ball in the fully closed position, use a piece of the required torque, (see Table 1 for Body Cap
wood or some other soft material to gently tap the ball Torque specifications).
(from the end opposite body cap). This will unseat
these parts without damaging the ball. TABLE 1
Body Cap Assembly Torque
5. Press the stem (4) from the top into the valve body and Valve Size Body Cap Torque
remove it through the body cap end of the body. 1/2” (DN 15) 100 lb-ft (136 Nm)
3/4” (DN 20) 150 lb-ft (203 Nm)
6. Using a wire brush, clean the body cap thread and 1” (DN 25) 225 lb-ft (305 Nm)
body threads to remove any excess thread lock. 1-1/4” (DN 30) 275 lb-ft (373 Nm)
1-1/2” (DN 40) 350 lb-ft (475 Nm)
7. Using a pointed instrument, pry out and discard the 2” (DN 50) 600 lb-ft (814 Nm)
old stem seals (7), stem bearings (8) and Fire-Tite® 3” (DN 80) 600 lb-ft (814 Nm)
bearing (13), if applicable. Be very careful not to scratch
any sealing surfaces in the valve body (surfaces on
which seats and seal rest). 10. Place the handle (15), lockwasher (9) and stem nut (16)
over the stem (4). Tighten the stem nut (16) until snug.
2.2 Assembly
11. Cycle the valve slowly twice to ensure permanent
1. Clamping valve body (1) securely in a vise, drop in one position of the ball between the two seats.
seat (5) with the flat surface on the bottom.
3 MAINTENANCE
2. Insert from the inside a stem bearing (8), a FIRE-TITE
seal (13), and another stem bearing (8) into the lower Periodically observe the valve to be sure of proper
stem bore. performance. More frequent observation is recommended
under extreme operating conditions.
3. Insert the stem (4) through the open end of the body
(1), being careful not to scratch the stem bearings and Routine maintenance consists of tightening the stem nut
stem bearing surfaces. Press it gently up into the stem 1/4 turn periodically to compensate for the wear caused
hole. by the stems turning against the resilient PTFE seal.

4. Holding the stem bearing in place from inside the 4 SERVICE KITS
valve, install two stem seals (7), the compression ring
FIRE-TESTED service kits include two seats (5), two stem
(18), and thread on one of the stem nuts (16) until the
seals (7), two stem bearings (8), a secondary seal (13), and
stem starts to turn.
one body seal (6).
5. Place a wrench through the body on the bottom of the TABLE 2
stem blade to hold the stem stationary. Place another Service Kits
wrench on the stem nut (16), and turn the nut down Valve Size T Seats M Seats
until the seals bottom and the stem comes snugly in 1/2” (DN 15) RKN107-TT RKN107-MT
place. Tighten the stem nut (16) until snug, plus an 3/4” (DN 20) RKN109-TT RKN109-MT
additional 1/4 - 1/2 turn. 1” (DN 25) RKN110-TT RKN110-MT
1-1/4” (DN 30) RKN111-TT RKN111-MT
6. Align the stem blade inside the valve body (1) with the 1-1/2” (DN 40) RKN112-TT RKN112-MT
ball (3). Insert the ball (3) and rotate the stem (4) to the 2” (DN 50) RKN198-TT RKN198-MT
ball fully closed position. 3” (DN 80) RKN225-TT RKN225-MT

7. Insert second seat (5) into the body (1) so that the
5 REPAIR KITS/SPARE PARTS
sealing surface of the seat is towards the ball. Insert
the body seal (6). For further information on spare parts and service or
8. Apply Loctite® 272 or equivalent, one bead 360˚ assistance visit our web-site at www.jamesbury.com.
around the body cap (2) covering a minimum of two
threads.
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PARTS LIST
ITEM PART NAME QTY.
1 Body 1
2 Body Cap 1
3 Ball 1
4 Stem 1
5 Seat 2
6 Body Seal 1
7 Stem Seal 2
8 Stem Bearing 2
9 Lockwasher 1
13 Sec. Stem Seal 1
15 Handle 1
16 Stem Nut 2
18 Comp. Ring 1
15

8
13 4
9 16

3" (DN 80) VALVES ONLY

7
18

2 6 3 5 1

Figure 2
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www.jamesbury.com

IMO-208-1/02 © 2001 Metso Automation Printed in U.S.A.-M-J