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Nova® Forged Steel Check Valve

CONFORMITY TO CODES & STANDARDS 

  1. General Design :- BS 5352
  2. Testing :- BS 6755(PART-1)
  3. Type :- LIFT CHECK.
  4. Rating :- CLASS 1500
  5. Face to Face :- AS SHOWN
  6. End Connection :- SCREWD ENDS TO BSP / BSPT / NPT
                               SOCKET WELD ENDS TO ANSI B16.11
DIMENSION TABLE 1500#
SIZE A C SCREWED ENDS SOCKET WELD ENDS
MM INCH E L B J MIN.
MAX. MIN.
15 1/2" 92 60 1/2" 13.56 22.22 21.72 9.65
20 3/4" 105 72 3/4" 13.87 27.56 27.05 12.7
25 1" 127 95 1" 17.35 34.29 33.78 12.7
40 11/2" 140 100 11/2" 18.38 49.15 48.64  12.7

 

MATERIALS OF CONSTRUCTION
SR.NO. PARTS NAME MATERIALS
801 BODY A 105 F 304 F 316
802 COVER A 105 F 304 F 316
803 PISTON AISI 410 AISI 304 AISI 316
804 SEAT RINGS AISI 410 AISI 304 AISI 316
805 GASKET ASBETOS FILLER SS304 SPRIAL WOUNDED
806 SPRING SPRING STEEL/SS 304
807 HEX BOLT ASTM A193 Gr.B7
TESTING
PRESSURE RATING HYDROSTATIC SHELL TEST HYDROSTATIC SEAT & BACKSEAT TEST
Kg/CM2 Kg/CM2
1500# 383 281

 

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