GL系列鍛鋼截止閥

GL Series

●Size: 1/4"~2"(8～50mm)

●Class: 150~4500

Specifications

●Design: ANSI B16.34,API602

●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

●Threetypes of bonnet designs:

*BoltedBonnet, Outside Screwａnd Yoke Class (150 to Class 1500) Stronger and leakprof body bonnet encases fully a spiral wound gasket.

*Welded Bonet, Outside Screw andYoke Class(150to Class 1500)For welded bonnet alves, thebonnet is threaded in and torqued to anenginered toroue valeａnd the body bonnetjoint is strength-welded, offering double protection against leakage.(body/bonnet threads and strength-weld).

*Pressure Seal Bonet, OutsideScrew and Yoke Class (1500to Class 4500)Pressureseal bonet,thebody bonnet joint is threaded, packing rings are com pressed to provide a high integrity seal by the drawing-in stud.

●Full guided discassures seatanddisc precise lignment inspite of sidethrust caused by highvelocity low,ａnd prevents stemfromscoring and galing,ａnd provides longer disc sealａnd bodylife.

●Large cleara ween stem and disc llows disc to move freely.

●Packing chamber burnished and combinationgraphitering individuall prestressed fortightseal.

●Two-piece glａnd ensures glａnd and packing self-aligning

●Solid Stellite disc, seat ring(optional) ensures long service ife even in severeservices.

●Handwheel is rugged and knobbed to make sure thegrip even when wearing gloves.

●Optional handwheel colors are available.