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■ Basic design : ASME B16.34, API 594, Intergral seat type
■ Flange drilling : ANSI B16.5 (2″~24″), ASME B16.47 Series.A (26″over)
■ Face to face : ANSI B16.10
■ Test : API 598

① BODY The body is in stainless steel, carefully designed to keep pressure drops to a minimum.
A wide opening on top of the body premits easy inspection and maintenance.
The basic dimension,i.e.wall thickness, face to face and flanges, comply with the relevant API and ANSI standards.
The body-to-cover flange is circular.
Threaded bosses are incorporated to ensure correct alignment of the hinge pin.
Bosses may be provided for drain taps or bypass piping.

② COVER The cover is in stainless steel.
The sealing surface for the connection to the body are recessed in the 150lb, 300lb and 600lb and ring joint in the higher.

③ DISC The disc is part of the trim.
The back side has a threaded stud for attachment to the hinge with a stainless steel nut and split pin to insure a strong connection.
The seating face is ground and lapped, for a perfectly tight seal.

⑨ ROD PIN The rod pin is part of the trim.
The rod pin is retained in the body by one threaded plugs and sealed by metallic or non-asbestos.
The pin can be easily removed for maintenance of the valve.

⑪, ⑫ COVER BOLT/NUT The cover studs and nuts are manufactured from alloy or stainless steel to the relevant ASTM standard.