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.
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:
H71H/H71W/H71X-10-40C/P/R.
| Specifications |
| Applicable Standards |
|
| Design |
ASME B16.34, API6D |
| Fire safe |
API 607 |
| Anti static |
API 608, API6D |
| Face to face |
ASME B16.10, API6D |
| Welding ends |
ASME B16.25 |
| Inspection and test |
API 598, API 6D |
Audited Supplier 
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