Fluid Power | Pneumatics | Hydraulics | Motion Control

The Numatics VSL42 Series Shut Off Valves provide an easy inexpensive way to add shut off capability to an FRL or any air preparation assembly. When in the closed position the downstream pressure is slowly relieved through a restricted 1/8 exhaust port. Numatics VSL series shut off valves employ a unique, one piece center spool design that can accommodate a user-supplied padlock in the closed position. When locked in the closed position, the pneumatic system controlled by the shut off valve cannot be operated until the padlock is removed.

 

Recommended Use:

 

Install the Shut Off Valve upstream of the FRL assembly or selected air preparation components. Restricted exhaust capacity prevents potential damage to FRL or air preparation components due to excessive pressure drop in the reverse flow direction. VSL shut off valves are designed to provide a method to exhaust an FRL or air preparation assembly, when components require service.

 

VSL42 Shut Off Valves Specifications Include:

• Cv: In – Out = 11.5 to 12.5 Cv: Out – Exh  = 0.3

• Port Sizes: 3/4 , 1  NPTF & G Tap (BSPP) - Exhaust Port 1/8

• Temperature Range: 40° F to 120°F (4.4°C to 46.9°C)

• Maximum Pressure: 250 PSIG (17 bar) - (applies to 42 series only)

• Flow Media: filtered air

• Weight:  VSL42 Series: 4.95 lbs. (2.25 kg)

 

VSL42 Shut Off Valves Features Include:

• Shut off valve – Restricted flow quick exhaust of downstream pressure

• Meets OSHA specifications

• NEW “U” Coating” process helps provide low-friction startup

• Grey body with Red knob identifies it as a shutoff device

• Integrated hole in valve spool for Scissor “Trades” lock

• Modular construction adaptable to the 42 Series FRL assemblies

• Sturdy, durable, long