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gate valves

Design Standard:

API 600/BS-1414

Face To Face Dimensions:
ANSI B 16.10/BS-2080

Material Of Construction:

(a) From barstock in carbon steel or stainless steel (304, 316,304L. 316L. 321) Hastalloy B & C & Alloy 20.
 
(b) Castings in carbon steel to ASTM A216Gr. WCB, WCC, LCB, LCC.
 
(c) Casting in stainless steel to ASTM A 351 Gr. CF8/CF 8M/CF 8C/CF3/CF 3M Alloy 20, Hastalloy B & C.
 
(d) Castings in C.I. to I.S. 210 G.R.20.
 
(e) Castings in Alloy Steel to ASTM A 217 C5, WC6, WC9, WC12.

Size Range:


15mm to 600 mm.

Pressure Rating:


150/300/600/900/1500/2500 class.

Ends:


Screwed to BSP/BSPT/NPT forsizes 15 mm to 50 mm.
Flanged to ANSI, DIN or BS, API-6D standard.
Socket weld to ANSI B16.11. for sizes 15 mm to 50 mm.
Butt weld to ANSI B 16.25 for sizes 15 mm to 600 mm.

Salient Features:

  • Outside screw rising stem construction, threads are away from the line fluid and easy to lubricate.
  • Removal of hand wheel from the yoke sleeve would not cause wedge gate to fall down yoke sleeve and handwheel assembly is so arranged in the yoke of bonnet.
  • Backseatring features facilitate repacking of the stuffing box on line with the valve in fully open position.
  • Swinging eye bolt facilitate easy access to the stuffing box.
  • Seatring screwed into the body are replaceable.
  • Stellited wedge & seatring can also be offered on special request.
  • In built wear life for long duration of service.
  • Body & bonnet made from high quality casting with liberal sections.
  • The valves of higher pressure and bigger sizes are provided with thrust bearings and also with gear drive arrangements and flange also can be offered for different standards