SOLENOID VALVES ATEX 1 3/2

no voltage release manual reset type U Series

flameproof enclosure II 2 G/D EEx d IIC
307
3 2

cast iron or stainless steel enclosure

1/4 to 1/2
FEATURES
● Three way solenoid valves with orifice and pipe connections in valve body
● Valves do not require a minimum operating pressure
● Brass and stainless steel balanced poppet valves with full flow
capacity (Ø 9mm)
● The solenoids conform to EN50014, EN50018, EN50281-1-1, with direct cable
entry M20 x 1.5 mm
● The solenoid valves satisfy all relevant EC Directives

GENERAL
Differential pressure 0 - 10 bar [1 bar = 100kPa]
Maximum viscosity 65 cSt (mm2/s)
Response times 75 - 100 ms

fluids () temperature range (TS) seal material ()

air, inert gas, water, oil -38 to +50°C NBR (nitrile)

MATERIALS IN CONTACT WITH FLUID

() Ensure that the compatibility of the fluids in contact with the materials is verified
Brass body Stainless steel body
Body and seat Brass AISI 316
Core tube Stainless steel Stainless steel
Core and plugnut Stainless steel Stainless steel
Springs Stainless steel Stainless steel
Poppet Stem Stainless steel Stainless steel
Sealings and poppets NBR NBR

OTHER MATERIALS
Electrical enclosure Cast iron (NB) Cast iron (NB) or
Stainless steel (NA)

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SPECIFICATIONS
flow operating pressure
pipe orifice coefficient differential (bar) power prefix optional solenoids basic
size size Kv level catalogue
min. max. (PS) BP
NEMA ATEX/CENELEC
IP65 number
air/water () 7&9 EExd EExd EExm EExi
NPT (mm) (m3/h) (l/min) ~ = ~/= EF NA NB PV IS SC brass stainless st.
U - Universal
1/4 9 0,84 14,0 0 10 10 14,2(1)/10 -   - - - B307C019 U B307C009 U
3/8 9 0,84 14,0 0 10 10 14,2(1)/10 -   - - - B307C049 U B307C039 U
1/2 9 0,68 14,0 0 10 10 14,2(1)/10 -   - - - B307C079 U B307C069 U
2004/R01

● Available feature - Not available (1)

Rectified Coil

All leaflets are available on: www.asco-process-scope.com

PIC-11-10-GB
 SERIES 307
PREFIX TABLE PRODUCT SELECTION GUIDE
prefix description power level STEP 1
1 2 3 4 5 6 7 LP RP MP BP Select basic catalogue number,
- - - 
including pipe thread indentification
E T Threaded conduit (M20 x 1,5)
N A Flameproof - ATEX (EN 50018) St. St. - - -  letter. Refer to the specifications table
N B Flameproof - Cast Iron ATEX (EN 50018) - - -  on page 1.
X Other special constructions - - -  Example: B307C009

STEP 2
SUFFIX TABLE Select prefix (combination). Refer to
the specifications table on page 1 and
suffix description power level
the prefix table on page 2, respect the
1 2 3 4 5 LP RP MP BP
indicated power level.
V FPM (fluoroelastomer) - - -  Example: NBET
C O Epoxy coating all external surfaces - - - 
M B Mounting bracket - - -  STEP 3
● Available feature Select suffix (combination) if required.
- Not available
Refer to the suffix table on page 2,
respect the indicated power level.
Example: MB

STEP 4
Select voltage. Refer to standard
voltages on page 3.
Example: 110/50

STEP 5
Final catalogue / ordering number.
Example:
NBETB307C009MB 110/50

ORDERING EXAMPLES:

NAET B 307C009 24V / DC

NBET B 307C019 MB 230V / 50 Hz
OPTIONS & ACCESSORIES NAET B 307C039 V 230V / 50 Hz
(2)
NBET B 307C049 CO 230V / 50 Hz
catalogue spare parts kit no. mounting
number ~ = bracket no. prefix voltage
NB B307C019 C118260 C118260 115065 (1) pipe thread suffix
NB B307C049 C118260 C118260 115065 (1) basic number
NB B307C079 C118260 C118260 115065 (1)
NA B307C009 C118260 C118260 115065 (1)
NA B307C039 C118260 C118260 115065 (1) ORDERING EXAMPLES KITS:
NA B307C069 C118260 C118260 115065 (1)
NB B307C019V C129207 C129207 115065 (1)
NB B307C049V C129207 C129207 115065 (1) C 118260
NB B307C079V C129207 C129207 115065 (1) C 129207
NA B307C009V C129207 C129207 115065 (1)
NA B307C039V C129207 C129207 115065 (1)
115065 (1) basic number
NA B307C069V C129207 C129207
(1)
Mounting holes in enclosure
2004/R01

(2)
Standard prefixes/suffixes are also applicable to kits

All leaflets are available on:www.asco-process-scope.com

11-10-2
 SERIES 307
ELECTRICAL CHARACTERISTICS
Coil insulation class F
Electrical safety IEC 335

Standard voltages: DC (=) 24V - 48V

AC (~) 24V - 48V - 115V - 230V/50Hz; Other voltages and 60Hz are available on request
power ratings operator replacement coil / kit
ambient electrical
prefix inrush holding hot/cold enclosure
temperature safety code type(2)
option ~ ~ = range (TS) protection ~ =
(EN 60529)
(VA) (VA) (W) (W) (°C) 230V/50 Hz 24V/DC
Basic Power (BP)
NB - - - 8,2/10 -38 to +50 II 2 G/D EEx d II C T5 cast iron IP66 - 108429-001 01/02/03
NB 17,05 17,05 17,05(1) - -38 to +50 II 2 G/D EEx d II C T4 cast iron IP66 118227-007 - 01/02/03
NA - - - 8,2/10 -38 to +50 II 2 G/D EEx d II C T4 stainless steel IP66 - 108429-001 01/02/03
NA 17,05 17,05 17,05(1) - -38 to +50 II 2 G/D EEx d II C T3 stainless steel IP66 129243-007 - 01/02/03
(1)
Rectified Coil (2)
Refer to the dimensional drawings on page 4

ADDITIONAL OPTIONS
● 1/2" NPT and M20 x 1,5 (prefix "ET") conduit entry available for both housings
● Voltage suppressors are available on DC constructions

INSTALLATION

● Multi language installation/maintenance instructions are included with each valve

● The solenoid valves can be mounted in any position without affecting operation
● Threaded pipe connection identifier is B = NPT (ANSI 1.20.3)
● Declarations of conformity are available on request
2007/R01

All leaflets are available on: www.asco-process-scope.com

11-10-3
 SERIES 307
DIMENSIONS (mm), WEIGHT (kg)
TYPE 01 TYPE 02
Prefix "NA" and "NB" Solenoid Prefix "NA" and "NB" Solenoid
Basic power Basic power
Stainless steel / Cast Iron Stainless steel / Cast Iron
EN50014, EN50018 & EN50281-1-1: 1998 EN50014, EN50018 & EN50281-1-1: 1998
II 2 G/D EEx d IIC II 2 G/D EEx d IIC
IP66 IP66
B307 C008/C018 B307C038/C048
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TYPE 03
Prefix "NA" and "NB" Solenoid
Basic power
Stainless steel / Cast Iron
EN50014, EN50018 & EN50281-1-1: 1998
II 2 G/D EEx d IIC
IP66
B307 C068/C078
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PIC-11-0010-GB -- Availability, design and specifications are subject to change without notice. All rights reserved.
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weight
type prefix option power level A B C D E F G H J K
NA NB
01 NA / NB BP 99 M20 51 33 117 55 30 37 137 185 4,90 kg 4,50 kg
02 NA / NB BP 99 M20 51 33 117 55 39 37 137 185 4,90 kg 4,50 kg
03 NA / NB BP 99 M20 64 33 117 55 33 33 137 185 4,90 kg 4,50 kg

MOUNTING BRACKET

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Bracket number : 115065

Material : Mild steel epoxy painted
2004/R01

All leaflets are available on: www.asco-process-scope.com

11-10-4