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GA系列鍛鋼閘閥
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詳細介紹

GA Series

●Size: 1/4"。2"78 50 mm)

●Class: 150~2500

 

Specifications

●Design: ANSI B16.34,API 602

●Testing: ANSI B16.34 and API 598

●Marking: MSS-SP-25

●Socket weld ends: ASME B16.11

●Butt weld ends: ASME B16.25

●Threaded ends: ASME B1.20.1

●Flanged: ASME B16.5

 

Features

●Three types of bonnet designs:

*Bolted Bonnet,OutsideScrew and Yoke (Class 150 to Class 1500 Stronger and leakproof body bonnet encasesfull a spiral wound gasket.

*Welded Bonnet,Outside Screw and Yoke (Class 150 to Class 1500)For welded bonet valves,the bonnet isthreaded in and torqued to an engineered torque value and the body bonnet joint is strength-welded,offering double protection against leakage.(body bonet threadsand strength-weld).

*PresureSeal Bonnet,Outside Screw and Yoke(Class 1500 toClass 2500 Pressureseal bonnet,the body bonet joint is threaded,packingring sare compressed to provide a high integrity seal by the drawing-in stud.

●Seating faces ground and lapped to 2 RMS.

●Fully guided wedge reduces wear onseatng surfaces.

●Backseat bevel on the stem,not on the disc,meet specificationsAPl-600 and APl-602.

●Packing chamber burnished and combination graphiterings individully prestressed for tight seal.

●Removal of handwheel without affecting the position of valve (closed or open).

●A compact but extremely sturdy design for highpressure-temperature service. andwhe surethegrip even when wearinggloves. ugged and knobbe.

●Optional handwheel colors are available

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