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Quality Inspection for Globe Valves For Steam Service - High Voltage Electric Power Station Globe Valve – BVMC

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Quality Inspection for Globe Valves For Steam Service - High Voltage Electric Power Station Globe Valve – BVMC Detail:

Products Design Features

Globe valve are used to cut or connect the pipe media under nominal pressure betweenPN1.6-160MPa(Class150-2500) working temperaturess600C.in oil industry chemical industry pharmaceuticals fertilizer and power industry.

The main structure features include:
1. Rational structure.reliable sealing excellent performance pretty appearance
2. Co-radix alloy welded sealing surface anti-wearing erosion-proof abrasion-proof and longer use life.
3. The surface and the adjusting media of the valve shaft are nitrogenized so that it is erosion and abrasion resistant.
4. PN>25.0MPa(Class1500).the middle cavity use 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.

The main structure features include:

Serial models J11H、J11Y、J41H、J41Y、J541H、J541Y、J941H、J941Y
J61H、J61Y、J561H、J561Y J961H J961Y
Pressure grade range PN1.6-42.0MPa(Cass150-2500)
Drift diameter range DN15~400mm(NP81/2-NPS16)
Driving manner Hand wheel driving Gear driving and electric driving
Scope of application Class150-300(PN1.6-2.5) Class400-900(PN6.4~16.0) NPS/2~NPS16(DN15-400mm)
NPS1/2-NPS12(DN15-300mm) NPS1/2-NPS16(DN15-400mm)

Products Performance Specification

vsavs

Technical Specification

Structural formation PS – GB – OS&Y
Driving manner Hand-operated, Gear-operated and Electric – driving
Design standard ASME B 16.34 BS 1873
Face to face ASME B 16.10
Flanged ends ASME B 16.5
Butt-welding ends ASME B 16.25
Test & inspection API 598 BS6755

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 ASTM A216-WCB
ASTMA217-WC1WC6WC9.C5
ASTMA351-CF8CF8MCF8CCF3CF3M
2 Disc ASTM A182 F6aASTMA182F22.F11
ASTM A182-F304、F316F321、F304LF316L
3 Stem ASTMA182 F6aASTMA182F22F11
ASTMA182-F304 F316 F321 F304L、F316L
4 Flat cover ASTM A182 F6a、ASTMA182F22 F11
ASTM A182-F304、F316、F321、F304L、F316L
5 Bonnet ASTM A182 F6a、ASTMA182F22F11
ASTMA182-F304F316 F321F304L、F316L
6 Gasket Graphite & stainless steel
7 Yoke ASTM A216-WCB
ASTMA217-WC1 WC6WCCS
ASTMA351-CFBCFMCF8CCF3CF3M
8 Stud ASTMA193-B7A193-B8、A193-B8M、B16
9 Six angle nuts ASTMA194-2HA194-8A194-8M7
10 Packing Graphite
11 Packing gland ASTMA216-WCBASTMA217WCWCWCC5 ASTMA351-CF8CF8MCF8CCF3CF3M
12 Valve stem nut Copper alloy
13 Driving Hand-operated, Gear-operated and Electric – driving

Product detail pictures:

Quality Inspection for Globe Valves For Steam Service - High Voltage Electric Power Station Globe Valve – BVMC detail pictures


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