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Design construction:
API 602 - 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
Integral body flanges
Face to face according to ASME B16.10
Flanges according to ASME B16.5


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

Specifications

Size

N/A 1

Connection Type

N/A Flanged, Raised Face

Class

N/A 300

Weight

N/A 14.75 lb

Operating Temperature

N/A 100 ºF

Operating Pressure

N/A 740 psi

Cv Coefficient

N/A 32

Body/Bonnet Bolt Torques

N/A 20 ft/lb

Material

Material

N/A A 105, Trim F6/HF

Seat Material

N/A ASTM A479 410 HF

Stem Material

N/A ASTM A479 410

Wedge Material

N/A ASTM A182 F6a

Dimensions

A

N/A 8.00 in

B

N/A 8.35 in

C

N/A 3.82 in

F

N/A 0.68 in