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DFT – 8009 SS-BSSH6 Model Check Valve In-Line Threaded Check Valve
Description
The DFT® Basic-Check valve is a versatile all-purpose, spring-assisted, in-line check valve that provides reliable, low maintenance service for a wide range of liquids and gases at various pressure/temperature combinations. The valve consists of a guard cage, spring, valve disc, retaining ring and seat. It can be combined with pipe fittings such as reducing couplings, drain elbows, etc. to form a complete check valve unit ideally suited for a broad range of pipeline applications or incorporated into machinery for OEM applications. The metal-to-metal sealing area of the Basic-Check valve’s disc and seat is precision lapped, providing very tight shut-off of both gas and liquid. If bubble-tight shut-off is required, resilient soft seats are available.
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Basic-Check®
DN 15
0.5 in
0.50 in
BSSH6
1.00 in
5.8
7
2.1
0.60 psi
0.041 bar
16.7 in.water
424 mm.water
31.1 mmHg
±10%
0.38 lb
0.2 kg
0 psig
6000 psig
0 barg
414 barg
1 Cracking pressure for vertical flow will be slightly different: upward flow, slightly higher; downward flow, slightly less.
Not recommended for use on discharge of reciprocating compressors.
2 Contingent on service ratings of matching pipe and fittings.
316 SS
316 SS
CF8M
316 SS
316 SS
Buna-N -49 (-70 to 250°F)
EPDM -57 (-75 to 300°F)
TFE®-Viton -98 (-40 to 400°F)
Viton® -51 (-40 to 400°F)
Zelon® -54 (37 to 400°F)
1 Soft seats are not available for the Style BSE check Valve. Buna-N and Viton are not suitable for steam service.
Inconel® X-750 (-460 to 700°F)
316 SS (-460 to 450°F)
NPT
6000 CWP
316 SS
B1.20.1
SP-25
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