Types 14540, 14640 semi-capsule relief valves



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STAINLESS STEEL
RELIEF VALVES

Type VRD

Type VRCD

Type 14450

Types 14520 – 14580

Type 14340 low pressure

14540, 14640 semi-capsule

Cartridge valves for low flow applications
316 stainless steel construction
Long life – consistent repeatability.

These valves are designed to provide pressure control in systems with low flow requirements such as those subject to thermal expansion. The type 14540 relief valve provides accurate repeatable performance with reseating within 10% of cracking pressure or better.

The use of stainless steel elements operating in a linear plain bearing ensures long life and consistent performance.

The valve is designed for cartridge fitment in to a suitable manifold block (as drawing) or the valve can be face mounted to relief to atmosphere such as in a tank or sump application.

Material

316 stainless steel; seal material as in table on right.



Housing details (14540 and 14640).

 

Configuration options

  Pressure range Connection Seal
Part No. (bar) (psi) inlet exhaust material
14540–02 35 – 345 500 – 5,000 1/2"BSP M cartridge Nitrile
14540–03 345 – 800 5,000 – 11,600 1/2"BSP M cartridge Nitrile
14540–04 35 – 345 500 – 5,000 1/2"BSP M cartridge Viton
14540–06 345 – 800 5,000 – 11,600 1/2"BSP M cartridge Viton
14640–01 100 – 400 1,500 – 5,800 1/2"BSP M cartridge Viton
14640–02 400 – 700 5,800 – 10,000 1/2"BSP M cartridge Viton

Drawing – Type 14540


Drawing – Type 14640



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