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Manufacturer of Buried Knife Gate Valve - High Temperature and High Pressure Electric Power Station Gate Valve – BVMC

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Manufacturer of Buried Knife Gate Valve - High Temperature and High Pressure Electric Power Station Gate Valve – BVMC Detail:

Products Design Features

Flanged ends cast steel gate valve are used to cut or connect the pipe media under nominal pressure between PN1.6-42.0MPa(Cass150~2500)working temperatures ≤ 600in oil industry chemical industry fossil-fired power plants.

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.

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 Pressure sealed bonnet outside stem yoke structure
Driving manner Hand-operated,Gear-operated and Electric-driving
Design standard API600
Face to face ASME B16.10
Flanged ends ASME B16.15
Test & inspection API6D API598 API600

Note: The sizes of valve connecting flange and butt-welding terminas can be designed according to customer’s requirement.

Major Parts Material Form

No. Part name Material
1 Body ASTMA216-WCBASTMA217-WC1WC6WC9C5

ASTMA351-CF8CF8MCF8CCF3CF3M

2 Seat ASTM A105ASTMA182-F11、F22 F5. F9A
3 Gate disc STM A216-WCBASTM A217-WC1.WC6、WC9.C5

ASTMA351-CF8CF8M、CF8CCF3CF3M

4 Stem ASTM A182 F6a、ASTM A182 F22 F11ASTM A182-F304、F316、F321、F304LF316L
5 Bonnet ASTMA216-WCBASTMA217-WC1WC6WC9C5

ASTMA351-CF8CF8MCF8CCF3CF3M

6 Seal ring  Graphite
7 Tetracycling ring ASTM A182 F6aASTMA182F22F11
8 Stud ASTMA193-B7A193-B8A193-B8M.A193-816
9 Six angle nuts ASTMA194-2H A194-8A194-8M,A194-7
10 Packing Graphite
11 Yoke ASTMA216-WCBASTMA351-CF8CF8MCF8CCF3CF3M
12 Driving device Electric driving

Product detail pictures:

Manufacturer of Buried Knife Gate Valve - High Temperature and High Pressure Electric Power Station Gate Valve – BVMC detail pictures


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