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Popular Design for Heavy Duty Knife Gate Valve - Bolted Bonnet OS&Y Gate Valve – BVMC

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Popular Design for Heavy Duty Knife Gate Valve - Bolted Bonnet OS&Y Gate Valve – BVMC Detail:

Products Design Features

Products design features
• Stellited seating surface
• Low emission control
• Flexible wedge
• Full guiding
• Absolute bonnet joint leak proof
• Optional by-pass design, Y Style Globe Valve, Check Valve.

Products Range
Size: 2”-24”
Rating: ANSI 600lb-2500lb
Body material: Carbon steel , Chromium Moly Alloy steel
Trim: Per API 600
Operation: Handwheel, Gear, Motor actuator

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 Bolt-jointed bonnet outside stem yoke structure
Driving manner Hand-operated,Gear-operated and Electric-driving
Design standard GB/T 12234
Face to face GB/T12221
Flanged ends GB/T9113、JB/T 79 HG20592
Test & inspection GB/T13927、JB/T9092

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 WCB、WC1、WC6、WC9、C5

CF8、CFM、CF8C、CF3、CF3M

2 Gate disc WCB、WC1、WC6、WC9、C5

CF8、CF8M、CF8C、CF3、CF3M

3 Seat A105、304、1Cr5Mo、12Cr1MoV
4 Stem 1Cr13、2Cr13、12Cr18Ni9

06Cr18Ni12Mo2Ti、20Cr1Mo1V、25Cr2MoV

5 Stud 35CrMoA、06Cr19Ni10

06Cr17Ni12Mo2、25Cr2MoV

6 Six angle nuts 45、35CrMoA、25Cr2MoV、06Cr19Ni10、0Cr17Ni12Mo2
7 Gasket Graphite &stainless steel
8 Back seat 12Cr1320Cr13.12Cr18Ni8

06Cr18Ni12Mo2Ti20Cr1Mo1V、25Cr2MoV

9 Bonnet WCB.WC1WC6.WC.C5 CF8CF8MCF8CCF3CF3M
10 Packing Graphite
11 Packing

press-sleeve

1Cr132Cr13

12Cr18Ni906Cr18Ni12Mo2Ti

 

12 Packing gland WCB

CF8CF8MCF8CCF3CF3M

13 Valve stem nut Copper alloy

 

14 Handwheel KTH350-10 QT400-15

Product detail pictures:

Popular Design for Heavy Duty Knife Gate Valve - Bolted Bonnet OS&Y Gate Valve – BVMC detail pictures


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