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Nova® Forged Steel Gate Valve

CONFORMITY TO CODES & STANDARDS 

  1. General Design :- API 602 / BS 5352
  2. Testing :- API 598/BS 6755(Part-1)
  3. Type :- BOLTED BONNET, OS & Y, FLEXIBLE WEDGE.
  4. Rating :- CLASS 800
  5. Face to Face :- AS SHOWN
  6. End Connection :- SCREWD ENDS TO BSP / BSPT / NPT
                               SOCKET WELD ENDS TO ANSI B16.11
DIMENSION TABLE 800#
SIZE A C D SCREWED ENDS SOCKET WELD ENDS
MM INCH E L B J MIN.
MAX. MIN.
15 1/2" 85 165 90 1/2" 13.56 22.22 21.72 9.65
20 3/4" 92 176 90 3/4" 13.87 27.56 27.05 12.7
25 1" 105 198 90 1" 17.35 34.29 33.78 12.7
40 11/2" 127 278 145 11/2" 18.38 49.15 48.64  12.7
50 2" 140 298 145 2" 19.23 61.62 61.11 15.75

 

MATERIALS OF CONSTRUCTION
SR.NO. PARTS NAME MATERIALS
701 BODY A 105 F 304 F 316
702 BONNET A 105 F 304 F 316
703 WEDGE AISI 410 AISI 304 AISI 316
704 SEAT RINGS AISI 410 AISI 304 AISI 316
705 SPINDLE AISI 410 AISI 304 AISI 316
706 GLAND BUSH AISI 410 AISI 304 AISI 316
707 GLAND FLANGE A 105 F 304
708 YOKE SLEEVE ASTM A 439 Gr. D2/AL-BRONZE
709 HAND WHEEL CAST ATEEL /M.I
710 HAND WHEET NUT Gr.2h
711 STUD & NUT B7/2H B8/8 OR B7/2H
712 EYE BOLT & NUT B7/2H B8/8
713 GASKET SPW S.S 304/316 WITH CAF/GRAFOIL
714 GLAND PACKING GRAPHITE ASBESTOS INHIB, &INCONEL WIRE REIN.
TESTING
PRESSURE RATING HYDROSTATIC SHELL TEST HYDROSTATIC SEAT & BACKSEAT TEST
Kg/CM2 Kg/CM2
800# 211 141

 

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