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Table E Flanged Resilient Seated OS&Y Gate Valve
Gate valves are used to shut off the flow of liquids rather than for flow regulation. When fully open, the typical gate valve has no obstruction in the flow path, resulting in very low flow resistance. The size of the open flow path generally varies in a nonlinear manner as the gate is moved. The high strength ductile iron construction and an all stainless steel stem offers the ultimate in strength and corrosion resistance.
Construction
Parts | Material |
Body | Ductile Iron ASTM A536 Grade 65-45-12/EN1563 GJS 450-10 |
Wedge | Ductile Iron ASTM A536 Grade 65-45-12+EPDM |
Wedge Nut | Stainless Steel/ Bronze |
Stem | Stainless Steel AISI 304/AISI 316/AISI 431, Bronze |
Stem Nut | Bronze |
Bonnet | Ductile Iron ASTM A536 Grade 65-45-12/EN1563 GJS 450-10 |
Bonnet Gasket | EPDM |
Yoke | Ductile Iron ASTM A536 Grade 65-45-12/EN1563 GJS 450-10 |
Handwheel | Ductile Iron ASTM A536 Grade 65-45-12/EN1563 GJS 450-10 |
Screw Bolt | Carbon Steel Zinc Plated |
O-Ring | EPDM |
Sliding Disc | Bronze |
Description
Ductile iron wedge is totally encapsulated with EPDM rubber.
Unidirectional tightness.
Minimum load loss.
Range from DN50 up to DN300.
Epoxy paint 200 microns min: RAL 3000.
Standards
Valve: DIN F4, EN1171, BS5163, AWWA C515, AWWAC 509, AS2638.2
Flanged: AS 2129 FLANGES TABLE E
Face to face dimension: ASME B16.10, EN558 Series 3
Pressure Rating: PN10/16/25, 175psi/300psi
Working Temperature:0℃- 80℃
Available
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FL x FL | MJ x MJ |
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MJ x FL | FL x RG |
Suitabilities
Water Fire Fighting
