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Instrument Isolation Valve
Specifically designed for process flow or isolation of pressure gauge, orifice plates, flush rings and various measurement instruments.
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- Full or Standard Port
- Quarter Turn Operation
- Optional Extended Handle with lock out
- Bleed or Gauge Ports Available
- Locking Handle Standard Welded Body
- Rodable in 1/4” - 3/4”
- API-622 Low-E Stem Packing Standard
- SIL-3 Capable per IEC 61508
Low-E Packing Tested to the API 622 Standard (rev. 2):
- Average stem packing leakage 10 ppmv for the duration of the API 622 test (100 ppm allowable)
- Stem packing is suitable for service at temperatures of -400˚ to 850˚F (-240˚ to 450˚C)
- API 607 Rev. 4 fire tested
- ASME Class 1500 Weld Design standard