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.
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