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Design construction:
ASME B16.34 - BS 5352
Testing according to API 598
Marking MSS SP25
Outside Screw and Yoke (OS&Y)
Self aligning two piece packing gland
Spiral-wound gasket
Integral backseat
Loose solid disc
Socket Weld Ends to ASME B16.11
Screw Ends (NPT) to ASME B1.20.1
Butt Welding Ends to ASME B16.25


Ratings:

    - carbon steel class 800
      1975 psig @ 100°F
      138 bar + 38°C

    - carbon steel class 1500
      3705 psig @ 100°F
      255 bar + 38°C

Unit of Measure

Size

 N/A 1

Connection Type

 N/A Socket Weld

Class

 N/A 800

Weight

 N/A 8 lb

Operating Temperature

 N/A 100 ºF

Operating Pressure

 N/A 1975 psi

Cv Coefficient

 N/A 7.2

Body/Bonnet Bolt Torques

 N/A 50 ft/lb

Inlet End Type

 N/A Socket Weld

Inlet End Size

 N/A 1

Outlet End Type

 N/A Socket Weld

Outlet End Size

 N/A 1

Material

 N/A A 105, Trim F6/HF

Seat Material

 N/A INTEGRAL HF

Stem Material

 N/A ASMT A479 410

A

 N/A 4.33 in

B

 N/A 8.39 in

C

 N/A 3.82 in

F

 N/A 0.71 in

G

 N/A 1.89 in