Ross Controls POPPET SERIES W74 User Manual
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Series W74 Poppet Valves for ANSI Bases
A
B
C
A
B
C
5/2 Valves – Single Solenoid Pilot Controlled, Air Return
ANSI Range of Valve Model Number* Avg. Dimensions inches (mm) Weight
Size Port Sizes Std. Temp. High Temp. C
1 1/4 - 3/8 W7476A2331 W7476A2336 0.9 6.5 (164) 2.0 (50) 2.4 (59) 3.0 (1.4)
2.5 3/8 - 1/2 W7476A3331 W7476A3336 2.0 7.3 (185) 2.7 (67) 3.6 (91) 3.0 (1.4)
4 3/8 - 3/4 W7476C4331 W7476B4336 4.2 8.4 (212) 3.5 (88) 4.0 (101) 5.0 (2.3)
10 3/4 - 1¼ W7476A6331 W7476A6336 11 9.8 (249) 3.9 (99) 4.0 (101) 6.1 (2.8)
20 1¼ - 1½ W7476A8331 W7476A8336 22 15.0 (381) 5.6 (142) 4.1 (104) 18.5 (8.3)
* Base not included. See pages 8-10 for accessories.
A B C lb (kg)
V
5/2 Valves – Double Solenoid Pilot Controlled, Detented
ANSI Range of Valve Model Number* Avg. Dimensions inches (mm) Weight
Size Port Sizes Std. Temp. High Temp. C
1 1/4 - 3/8 W7476A2332 W7476A2337 0.9 7.7 (194) 2.0 (50) 2.4 (59) 3.5 (1.6)
2.5 3/8 - 1/2 W7476A3332 W7476A3337 2.0 8.8 (224) 2.7 (67) 3.6 (91) 4.0 (1.8)
4 3/8 - 3/4 W7476C4332 W7476C4337 4.2 9.8 (249) 3.5 (88) 4.0 (101) 5.5 (2.5)
10 3/4 - 1¼ W7476A6332 W7476A6337 11 11.3 (286) 3.9 (99) 4.0 (101) 10.8 (4.9)
20 1¼ - 1½ W7476A8332 W7476A8337 22 16.5 (417) 5.6 (142) 4.1 (104) 19.8 (8.9)
* Base not included. See pages 8-10 for accessories.
STANDARD SPECIFICATIONS: For valves on this page.
Solenoids: AC or DC power.
Standard Voltages: See page 110; consult ROSS.
Power Consumption: Each solenoid.
Size 1 models: 10 VA inrush, 9 VA holding on 50 or 60 Hz;
5 watts on DC.
All other sizes: 87 VA inrush, 30 VA holding on 50 or 60 Hz;
14 watts on DC.
A B C lb (kg)
V
Indicator Light: Size 4, 10 & 20 models only.
Ambient Temperature: 40° to 120°F (4° to 50°C); extended to
175°F (80°C) for High Temperature models.
Media Temperature: 40° to 175°F (4° to 80°C); extended to 220°F
(105°C) for High Temperature models.
Flow Media: Filtered air; 5 micron recommended.
Inlet Pressure: 30 to 150 psig (2 to 10 bar).
Pilot Pressure: Must be equal to or greater than inlet pressure.
IMPORTANT NOTE: Please read carefully and thoroughly all of the CAUTIONS on the inside back cover.
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© 2009, ROSS CONTROLS®. All Rights Reserved.
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35
24
14
A
B
C
A
B
C
Series W74 Poppet Valves for ANSI Bases
5/2 Valves – Single Pressure Controlled, Air Return
ANSI Range of Valve Model Number* Avg. Dimensions inches (mm) Weight
Size Port Sizes Std. Temp. High Temp. C
1 1/4 - 3/8 W7456A2331 W7456A2336 0.9 5.1 (128) 2.0 (50) 2.3 (58) 2.5 (1.1)
2.5 3/8 - 1/2 W7456A3331 W7456A3336 2.0 5.7 (145) 2.6 (66) 2.6 (66) 2.0 (0.9)
4 3/8 - 3/4 W7456C4331 W7456C4336 4.2 6.9 (174) 3.5 (88) 2.8 (70) 3.3 (1.5)
10 3/4 - 1¼ W7456A6331 W7456A6336 11 8.3 (211) 3.9 (99) 2.7 (68) 7.3 (3.3)
20 1¼ - 1½ W7456A8331 W7456A8336 22 13.5 (342) 5.6 (142) 3.0 (76) 17.5 (7.9)
* Base not included. See pages 8-10 for accessories.
A B C lb (kg)
V
5/2 Valves – Double Pressure Controlled, Detented
ANSI Range of Valve Model Number* Avg. Dimensions inches (mm) Weight
Size Port Sizes Std. Temp. High Temp. C
1 1/4 - 3/8 W7456A2332 W7456A2337 0.9 5.1 (128) 2.0 (50) 2.3 (58) 2.5 (1.1)
2.5 3/8 - 1/2 W7456A3332 W7456A3337 2.0 5.7 (145 2.6 (66) 2.6 (66) 2.0 (0.9)
4 3/8 - 3/4 W7456C4332 W7456C4337 4.2 6.9 (174) 3.5 (88) 2.8 (70) 3.3 (1.5)
10 3/4 - 1¼ W7456A6332 W7456A6337 11 8.3 (211) 3.9 (99) 2.7 (68) 7.3 (3.3)
20 1¼ - 1½ W7456A8332 W7456A8337 22 13.5 (342) 5.6 (142) 3.0 (76) 17.5 (7.9)
* Base not included. See pages 8-10 for accessories.
STANDARD SPECIFICATIONS: For valves on this page.
Ambient/Media Temperature: 40° to 175°F (4° to 80°C); media
temperature extended to 220°F (105°C) for High Temperature
models.
A B C lb (kg)
V
Flow Media: Filtered air; 5 micron recommended.
Inlet Pressure: 30 to 150 psig (2 to 10 bar).
Pilot Pressure: Must be equal to or greater than inlet pressure.
IMPORTANT NOTE: Please read carefully and thoroughly all of the CAUTIONS on the inside back cover.
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