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DESIGN
STANDARD : Check valves :
BS-1868.
FACE TO FACE DIMENSIONS :
ANSI B 16.10/BS-2080/DIN 3300
MATERIAL OF CONSTRUCTION :
(a) From barstock in carbon steel or stainless steel (304, 316, 304L, 316L, 321)
Hastalloy B & C & Alloy 20 for
sizes 15 mm to 50 mm.
(b) Castings in carbon steel to ASTMA216GR.WCB.
(c) Castings in stainless steel to ASTM A 351 GR. CF8/CF
8M/CF 8C/CF 3/CF3M Alloy 20, Hastalloy B & C.
(d) Castings in C.I. to I.S. 210 G.R.20.
SIZE RANGE : 15mm to 300 mm.
PRESSURE RATING : 150/300/600/900 psig and ND-16,ND-40.
ENDS : Screwed to BSP/BSPT/NPT Flanged to ANSI, DIN or BS
standards. Socket weld to ANSI B 16.11. Buttweld to ANSI B 16.25.
SALIENT FEATURES
1. Body seatring and disc machined to close Tolerances providing smooth action and
accurate seating.
3. Low centre of gravity in the disc ensures prompt return of the disc to its seat against
the back pressure.
3. Screwed in Seatring is replaceable.
4. Satellite seat ring and disc can also be provided on special request.
5. In built wear life for long duration in service.
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