Whitman Controls W117V-3H-F52M-X

Product Name: Ultra Pure Stainless Steel Vacuum Switch

Product Introduction: W117V series vacuum switch is high purity all-welded stainless steel pressure switch, helium leak tested, designed for vacuum monitoring in high-purity process environments.

Category:
Description

Technical Specifications: Set point range: 1.6 ~ 28.2 InHg Max system pressure: 0 PSIG Operating temperature: -54 °C ~ +107 °C Max contact current: 5 A Cycling limit for 3H variant: ≤60 CPM Approximate weight: 3.0 oz

Function Features: Electron beam welded sensing capsule; factory preset or field adjustable setpoint; available in SPDT or SPST contact configuration.

Application Scenarios: Semiconductor wafer furnace, medical equipment, ultra-pure gas pipeline, laboratory vacuum system.

Material Composition: Wetted parts: 17-7 PH stainless steel capsule, 303 stainless steel fitting.

Structural Characteristics: Fully welded sealed construction, compact threaded port structure.

Working Principle: Vacuum pressure changes deform the metal sensing capsule, trigger mechanical contact switch action at preset vacuum threshold.

Installation Requirements: Thread port mounting, available with 1/8-27 NPT or 1/4″ VCR male fitting; install in vibration-free location.

Usage Notes: Helium leak integrity must be maintained; do not exceed maximum cycle rate; avoid overpressure damage to sensing capsule.

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