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Pishon forged steel gate valves are available in three bonnet designs. The first design is the Bolted Bonnet, with male-female joint, spiral wound gasket, made in F304/graphite. Ring joint gasket are also available on request. The second design is the welded bonnet with a threaded and seal welded joint. On request a full penetration strength welded joint is available. The third design is the pressure seal bonnet, with a threaded and pressure seal bonnet joint.
Valve Material ( Special Materials Introduction )
Titanium-base series :Ti (Gr.2 , Gr.3, Gr.5, Gr.7...)
Nickel-base series: Monel 400/ Monel 500..
Inconel 600/625/690/750.....
Incoloy 800/825/800H/800HT.....
Hastelloy B3/C/C4/C22/C276/G30....
Zirconium -base series: Zr 702/703/705...
Duplex stainless steel: ASTM F51/F55...
Other corrosion resistance/high temperature resistance alloy:Alloy 20, AISI 321, AISI 310, 904L...
Other material is not listed, please call us!
If you have any enquiry about quotation or cooperation,please feel free to email us at sales@pishon-valve.com or use the following enquiry form. Our sales representative will contact you within 24 hours. Thank you for your interest in our products.