Flanged End Dual Check Valve

Structural Feature Short structural length,only 1/4~1/8 of that of traditional flanged check valve; Low volume,light weight,only 1/4~1/20 of those of traditional flanged check valve; Quick valve disc closedown,low water hammer pressure; Applicable for and easily installed for vertical or...

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Product Details

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.

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:
H46H/H46W/H46X-10-40C/P/R.

Materials
WCB CF8 CF3 GR4A Hastelloy C etc.

Product Features

Resilient Buna-N or EPDM Seat

Upper and lower PTFE thrust washers

Wafer body style fit between FF or RF flanges

Torsion springs assist valve closure, preventing flow reversal

Thrust washer reduce friction and wear of valve plate hinges