General Technical Data

Crossflow Size 1
35 Series SERPAR® Crossflow Double Valves ROSS CONTROLS SIZE 1 Flu-Tech Thailand
Crossflow Size 2
Pilot Solenoids
Two, rated for continuous duty.
Standard Voltages 
100-110 volts 50 Hz; 100-120 volts 60 Hz; 24, 110 volts d.c. Other voltages available.
Power Consumption 
 Size 1: Each solenoid, 12 V A maximum inrush, 9.8 VA maximum holding on 50 or 60 Hz; 7.5 watts nominal on d.c. Size 2: Each solenoid, 8.5 V A maximum inrush, 8.5 VA maximum holding on 50 or 60 Hz; 6 watts maximum on d.c.
Electrical Connections
 Uses two cord-grip connectors at solenoids (order separately). Size 2 connectors, see page 21. Size 1 Connectors: (specify solenoid voltage for options with light). For use with dropcord (cord not included) 2 6 6 K 7 7 (w/o light) 267K77 (w/light).Wired with 10-mm cord (cord exits upward) 372K77 (w/o light) 382K77 (w/light).
Ambient Temperature
40° to 120° F (4° to 50°C)
Media Temperature
40° to 175° F (4° to 80°C)
Flow Media
Filtered air. 5 micron recommended.
Inlet Pressure
40 to 100 psig (2.8 to 7 bar)
Caution If the system must be reset, electrical signals to both solenoids must be removed to prevent the machine from immediately recycling and producing a potentially hazardous condition.

Size 1 & 2

Valve Size Valve Model Number Cv Rating Pressure Switches Pressure Switch Provision Port Sizes Dimensions inches (mm) Average Response Constants F Weight lb. (kg.)
1 – 2 2 – 3 1 & 2 3 A B C In-Out Out-Exhaust M
1
0.9
 1.4
None
 Yes 1/4 1/4
2.7 (69)
3.3 (84)
5.0 (127)
4.6
 3.4 28
2.1 (95)
1
0.9
 1.4
None
 No 1/4 1/4
2.7 (69)
 3.3 (84)
5.0 (127)
 4.4 3.1 24
2.1 (95)
1
0.9
 1.4 Two Yes 1/4 1/4
2.7 (69)
 3.3 (84) 7.5 (191)
4.6
 3.4 28
2.5 (1.14)
1
1.2
 1.7 Two Yes 3/8 3/8
2.7 (69)
 3.3 (84)
7.6 (195)
 3.1 2.8 25
2.9 (1.32)
1
1.2
 1.7
None
 Yes 3/8 3/8
2.7 (69)
 3.3 (84) 5.1 (130) 3.1 2.8 25
2.5 (1.14)
2
3.7
 6.6
None
 No 1/2 1/2
3.4 (86)
3.2 (81)
6.3 (160)
 1.2 1.0 30
4.3 (1.95)
2
3.7
 6.6
None
 Yes 1/2 1/2
3.4 (86)
 3.2 (81)
6.5 (165)
 1.2 1.0 30
4.3 (1.95)
2
3.7
 9.0
None
 No 1/2 3/4 3.4 (86) 3.2 (81)
6.5 (165)
 1.1 0.9 25
4.3 (1.95)
2 3573B4642
3.7
 6.6 Two Yes 1/2 1/2 3.4 (86) 3.2 (81)
9.0 (165)
 1.2 1.0 30
4.8 (2.18)
2 4.2 9.0
None
 No 3/4 3/4 3.4 (86) 3.2 (81)
6.5 (165)
 1.1 0.9 25
4.7 (2.13)
2
4.2
 9.0 Two Yes 3/4 3/4 3.4 (86) 3.2 (81)
9.0 (165)
 1.1 0.9 25 5.2 (2.36)
2
4.2
 9.0
None
 Yes 3/4 3/4 3.4 (86) 3.2 (81)
6.5 (165)
 1.1 0.9 25
4.7 (2.13)
2
3.7
 9.0
None
 Yes 1/2 3/4 3.4 (86) 3.2 (81)
9.0 (165)
 1.1 0.9 25
4.3 (1.95)

Series 35 SERPAR® Crossflow Double Valves ROSS CONTROLS

Valve Response Time

These constants, designated M & F, can be used to determine the amount of time required to fill or exhaust a volume of any size using the following formula:

Valve Response Time (msec) = M + (F V)

M = avg. time for parts movement

F = msec. per cubic inch of volume

V = volume in cubic inches

Pressure Switches & Monitoring

Valves without pressure switches must not be used to control clutch/brake mechanisms on press machinery. Valves with pressure switches must be used in conjunction with an external monitoring device to assist with OSHA compliance (Ref. 1910.217). The valves on this page do not have a built-in monitor, and so must only be used in conjunction with an external monitoring system. Such monitoring system must be capable of inhibiting the operation of the valve in the event of a failure within the valve.

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