Manual

4
© 2009, ROSS CONTROLS
®
. All Rights Reserved.
Series W70 Spool & Sleeve Valves for ANSI Bases
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.
Indicator Light: Size 4, 10 & 20 models only.
Ambient Temperature: 40°F
to 120°F (4°C to 50°C).
Media Temperature: 40° to 175°F (4° to 80°C).
Flow Media: Filtered air; 5 micron recommended.
Inlet Pressure: Vacuum to 150 psig (10 bar).
Pilot Pressure:
Size 1 & 20 models: At least 30 psig (2 bar).
Size 2.5, 4 &10 models: At least 15 psig (1 bar).
5/2 Valves – Single Solenoid Pilot Controlled, Spring Return
A
B
C
1
2
3
4
5
14
ANSI Range of Valve Model Avg. Dimensions inches (mm) Weight
Size Port Sizes
Number*
C
V
A B C lb (kg)
1 1/4 - 3/8 W7076A2331 1.0 6.4 (163) 2.0 (50) 2.4 (59) 3.0 (1.4)
2.5 3/8 - 1/2 W7076A3331 2.5 7.3 (185) 2.7 (67) 3.6 (91) 3.0 (1.4)
4 3/8 - 3/4 W7076D4331 4.2 8.4 (212) 3.5 (88) 4.0 (101) 5.3 (2.4)
10 3/4 - 1¼ W7076C6331 10 9.8 (249) 3.9 (99) 4.0 (101) 7.3 (3.3)
20 1¼ - 1½ W7076C8331 22 15 (381) 5.6 (142) 4.1 (104) 14.5 (6.5)
* Base not included. See pages 8-10 for accessories.
5/2 Valves – Double Solenoid Pilot Controlled, Detented
A
B
C
1
2
3
4
5
12
14
ANSI Range of Valve Model Avg. Dimensions inches (mm) Weight
Size Port Sizes
Number*
C
V
A B C lb (kg)
1 1/4 - 3/8 W7076A2332 1.0 7.7 (194) 2.0 (50) 2.4 (59) 4.0 (1.8)
2.5 3/8 - 1/2 W7076A3332 2.5 8.8 (224) 2.7 (67) 3.6 (91) 4.0 (1.8)
4 3/8 - 3/4 W7076D4332 4.2 9.8 (249) 3.5 (88) 4.0 (101) 6.5 (2.9)
10 3/4 - 1¼ W7076C6332 10 11.3 (286) 3.9 (99) 4.0 (101) 9.0 (4.1)
20 1¼ - 1½ W7076C8332 22 16.5 (417) 5.6 (142) 4.1 (104) 15.8 (6.8)
* Base not included. See pages 8-10 for accessories.
5/3 Valves – Double Solenoid Pilot Controlled
A
B
C
Closed Center
1
2
3
4
5
12
14
1
2
3
4
5
12
14
Open Center
1
5
3
4
2
12
14
Power Center
ANSI Range of Valve Model Number* Avg.
Dimensions inches (mm) Weight
Size Port Sizes Power Center Closed Center Open Center C
V
A B C lb (kg)
1 1/4 - 3/8 W7077A2906 W7077A2331 W7077A2332 1.0 7.7 (194) 2.0 (50) 2.4 (59) 4.0 (1.8)
2.5 3/8 - 1/2 W7077A3904 W7077A3331 W7077A3332 2.5 8.8 (224) 2.7 (67) 3.6 (91) 4.0 (1.8)
4 3/8 - 3/4 W7077C4939 W7077D4331 W7077D4332 4.2 9.8 (249) 3.5 (88) 4.0 (101) 6.5 (2.9)
10 3/4 - 1¼ W7077A6920 W7077C6331 W7077C6332 10 12.1 (307) 3.9 (99) 4.0 (101) 8.5 (3.8)
20 1¼ - 1½ W7077A8901 W7077C8331 W7077C8332 22 16.5 (417) 5.6 (142) 4.1 (104) 15.3 (6.9)
* See pages 8-10 for accessories.
IMPORTANT NOTE: Please read carefully and thoroughly all of the CAUTIONS on the inside back cover.