Specification
Design Standard: API 602, ASME B16.34, BS 5352
Testing Standard: API 598
Face to face according to ASME B16.10
Connection Standards:
NPT: ANSI/ASME B1.20.1
SW: ANSI/ASME B16.11
Flange: ANSI/ASME B16.5
Butt-welded: ANSI/ANSI B16.5
Marking MSS SP25
Pressure Class: from Class 150LB to Class 4500LB
Size from 1/2" to 3"
Main Materials: A105; LF2; F5; F11; F22; 304L; 316L; F347; F321; F51; Monel; 20 alloy, etc.
Features
Outside Screw and Yoke (OS&Y)
Self aligning two piece packing gland
Spiral-wounded gasket
Integral backseat
Integral body flanges