Description
Design construction:
ASME B16.34 – BS 5352
Testing according to API 598
Marking MSS SP25
Outside Screw and Yoke (OS&Y)
Loose disc stem assembly
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 150
285 psig @ 100°F
20 bar + 38°C
– carbon steel class 300
740 psig @ 100°F
51 bar + 38°C
