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Nova® Wefar Type Check Valve

CONFORMITY TO CODES & STANDARDS

  1. General Design & Manufacture :- API 6D / ANSI B16
  2. Valve Face to Face Dimension :- Api 6D/ANSI B16
  3. Valve Inspection & Testing :- API 598 / ANSI B16
  4. Flange Standard Conformity :- ANSI 150, DIN PN 10 & PN16,BS 10 TABLE D&E

 

SIZE A B C
MM INCH     PN10 PN16 BS10D BS10E ANSI#150
25 1" 14 16 72 72 69 69 64
40 11/2" 22 19 93 93 86 87 86
50 2" 30 19 108 108 97 97 104
65 21/2" 40 19 128 128 110 110 123
80 3" 52 19 143 143 129 129 136
100 4" 71 19 163 163 161 161 174
125 5" 93 19 193 193 193 193 196
150 6" 114 19 219 219 218 215 221
MATERIAL OF CONSTRUCTION
NO PART NAME MATERIAL
1 BODY C.I/SGI/WCB/S.S 304/316
2 DISC M.S./S.S 304/316
3 SEAT NITRILE/EPDM/VITON/SILICON/PTFE
SEAT TEMPERATURE RANGE
SEAT TYPE TEMPERATURE RANGE
MIN. MAX.
NITRILE -13F(-25C) 212F(120C)
EPDM -13F(-25C) 250F(120C)
SILICON -58F(-50C) 356F(180C)
VITON -23F(-5C) 392F(200C)
HYPALON -4F(-20C) 250F(120C)
TESTING
PRESSURE RATING HYDROSTATIC SHELL TEST HYDROSTATIC SEAT TEST
Kg/CM2 PSI Kg/CM2 PSI
PN16 22 310 16 225
PN10 15 210 10 140

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