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professional factory for Lever Operated Gate Valve - Threaded/Welded Forged Steel Gate Valve – BVMC

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professional factory for Lever Operated Gate Valve - Threaded/Welded Forged Steel Gate Valve – BVMC Detail:

Products Design Features

The main structure features include:

1.Both design and manufacture are carried out strictly following GB/T12234AP600and AP1602. The products feature a reasonable structure. reliable seal, good performance and nice modeling.
2.Co hard alloy welded sealing surface, which is wearing resistant erosion proof, abrasion proof and long-lived.
3.The surface and the adjusting media of the valve shaft are nitrogenized so that it is erosion and abrasion resistant.
4.PN≥15.0MPa(Class900), the middle cavity usea a self-tightening sealing structure to have the sealing performance reinforced along with the pressure rise so as to ensure the sealing performance.
5.There is no backward sealing structure in the valve, so the sealing id reliable
6.The material of the filling and the flange size can be chosen and matched according to the applications and the requirements of the use’s. That can satisfies all kinds of working requirements.

Valve test and inspection:
• API 598 & ANSI B16.34

Applicable standards:
• BASIC DESIGN, ANSI B16.34
• SOCKET-WELD (S.W), ANSI B16.11
• SCREWED END (S.E), ANSI B1.20.1
• BUTT-WELD (B.W) ANSI B16.25

Standard material:
• A105.LF2.F5.F11.F22.F304. F304L.F316.F316L

Main Parameter Of The Products

Serial models  (Hs、Ps)Z11H(Hs、Ps)Z11Y、(Ps)Z41H、(Ps)Z41Y、(Ps)Z441H、(Ps)Z441Y(Ps)Z541H(Ps)Z541Y(Ps)Z941H(Ps)Z941Y
Pressure grade range PN1.6-42.0MPa(Class150-2500) 
Drift diameter range DN15-1000mm(NPS1-40)
Driving manner Hand wheel driving Gear driving and electric driving
Scope of application Class150-300(PN1.6-4.0) Class400-600(PN6.4-10.0) Class900-2500(PN15.0-42.0)  NPS2-40(DN50-1000mm) 
NPS1/2-24(DN15-600mm) NPS1/2-12(DN15~300mm) NPS1/2-10(DN15~250mm)

Products Performance Specification

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Technical Specification

Structural formation Bolt(Weld)-jointed bonnet outside stem yoke structure
Driving manner Hand-operated
Design standard API602.BS5352
Face to face ASME B1.20.1
Flanged ends ASME B16.11
Test & inspection API598 BS6755

Major Parts Material Form

No. Part name Material
1 Body ASTM A105

ASTMA182-F11、F22F5、F9

ASTMA182-F304F316 F321F304LF316L

2 Seat ASTM A105

ASTMA182-F11.F22F5F9

ASTMA182-F304、F316.F321F304LF316L

3 Gate Disc ASTM A105

ASTMA182-F11F22 F5F9

ASTMA182-F304F316F321 F304LF316L

4 Stem ASTM A182F68ASTMA182 F22

ASTM A182-F304F316F321、F304LF316L

5 Gasket Graphite&stainless steel
6 Bonnet ASTM A105

ASTMA182-F11F22F5F9

ASTMA182-F304F316F321F304LF316L

7 Bolt ASTMA193-B7A193-B8A193-B16
8 Packing Graphite
9 Packing gland ASTMA216-WCB ASTM A217 WC6 W C5C12 ASTMA351-CF8 CF8MCF8CCF3CF3M
10 Valve stem nut Copper alloy
11 Hand wheel ASTMA47-32510 ASTMA53660-40-18

Product detail pictures:

professional factory for Lever Operated Gate Valve - Threaded/Welded Forged Steel Gate Valve – BVMC detail pictures


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