Casting Steel Wafer Type Single Plate Swing Check Valve


Product features

Wafer check valve is applicable for various pipelines with nominal pressure of PN1.0 Mpa~42.0Mpa,Class 150LB~2500LB and nominal diameter of DN15~1200mm,NPS 1/2-48 and working temperature of -196~540 degree Celsius to be used for protecting from medium backflowing.The different materials selection can apply to the medium involving water,steam,oils,nitric acid,acetid,strong oxidizing medium and urea etc.

To API594
Face to face per ANSI B 16.10
Flange ends dimension ANSI B 16.5/ANSI B 16.47
Final inspection tests to API598.

Design Features

Single Plate ( Thin type/Sandwich type or Long pattern )
Body structure in forged steel body, cast steel body, ductile iron body
Standard availabe in API 594, Testing Standard API 598/API 6D, Pressure & Temperature: ASME B16.34
Fitted available: Retainerless or with pin type
Sealing: Soft/Resilient Seated, Metal to metal seat
Wafer, Lug, Double Flanged: ASME B16.5, EN 1092

Materials

WCB CF8 CF3 GR4A Hastelloy C etc.

Corrosion protection

Inside and outside epoxy coating
Applicable temperature: -196-540 different raw material for different work temperature
Applicable medium: Water, oil, gas and other causticity medium (different raw material for different medium)
About this product:
H74H/H74W/H74X-10-40C/P/R

Production:





Workshop




QUALIFICATION






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