Parker Watts QIX PST20 Porting Block with 1908 Pressure Switch
PST20 is a QIX porting block with a Parker 1908 pressure switch already fitted to it. The switch closes an electrical contact once set pressure is reached, which is how a machine knows it has air before it starts a cycle, or how a panel light tells an operator the station is live. Branch lines off the block are 1/4 in. NPT.
Specifications
- Parker part number: PST20
- Assembly: QIX porting block plus Parker 1908 pressure switch
- Branch connections: 1/4 in. NPT
- Function: electrical signal when set pressure is achieved
- NPT only. No BSPP version is offered
Switch ratings
Parker does not publish a set-point range or electrical rating for the 1908 in the QIX catalog, and we are not going to invent one. If your application depends on a specific switching pressure or contact rating, tell us what you need and we will get it confirmed by the manufacturer before the order ships rather than after.
Interlocks
A pressure switch at the FRL is a permissive, not a safety device. It tells a controller that air is present. It does not prove the lockout valve is open, it does not prove the downstream circuit is intact, and it should not be the only thing standing between an operator and a machine that moves. Use it for what it is good at.
NOTE: Actual product may be different from pictured!
Financing Options
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