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Prod. # 8013, 3/8" 316 SS BS316S Style Basic-Check® Threaded In-Line Check Valve

Prod. # 8013, 3/8" 316 SS BS316S Style Basic-Check® Threaded In-Line Check Valve
Prod. # 8013, 3/8' 316 SS BS316S Style Basic-Check® Threaded In-Line Check Valve
DFT Inc.

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.

Light spring available: Cracking Pressure = 0.24 PSI (6.5 inches of water)




Specifications  · Soft Seat Materials  · Springs  · Valve Selection Specifications  · Codes and Standards  · Features  · Options

Specifications

Series
Basic-Check®

Size
DN 10
0.38 in

Line Size Inlet (FNPT) A
0.38 in

Style
BS316S

Outside Thread (MNPT) B
1.00 in

Cv
5.8

Friction Loss (Feet of Pipe)
7

Friction Loss (Meter of Pipe)
2.1

Valve Cracking Pressure1
0.60 psi
0.041 bar
16.7 in.water
424 mm.water
31.1 mmHg

Valve Cracking Pressure Tolerance
±10%

Approx. Net Weight Each
0.38 lb
0.2 kg

Cold Working Pressure2
0 psig
2500 psig
0 barg
172 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.


Soft Seat Materials

Soft Seat Materials1
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.


Springs

Springs
Inconel® X-750 (-460 to 700°F)
316 SS (-460 to 450°F)


Valve Selection Specifications

ENDS
NPT


Codes and Standards

ANSI
B1.20.1

MSS
SP-25


Features
  • 1/4" to 2 1/2" Line size
  • 450 to 6000 CWP
  • Threaded ends
  • Stainless Steel Construction
  • Spring-assisted silent closing
  • Horizontal or vertical installation
  • Tight shut-off - lapped disc & seat
  • Easy Maintenance
  • Versatile


Options
  • Inconel® 750 Spring
  • Soft seat

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