Power Plant Steam Flange Vacuum Globe Valve

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Selling leads
Power Plant Steam Flange Vacuum Globe Valve
Posting date : Dec 14, 2018
Membership
Free Member Scince Jun 07, 2017
FOB Price
200USD/set
Min. Order Quantity
1set
Supply Abillity
200set/month
Port
Shanghai
Payment Terms
FOB,CIF,FCA
Package
wooden box
Keyword :
Vacuum Globe Valve
Category
MACHINERY & ELECTRICAL | Nuclear reactors | Taps cocks valve | Taps cocks valve
Contact
Alice Wang
Selling Leads Detail
Company Info
 
Quick Detail
Place of Origin
China [CN]
Brand Name
FREE-VALVE
Model Number
NKJ41H
HS-CODE
8481-80
Package & Delivery Lead Time
Package
wooden box
Delivery Lead Time
30 days
Detailed Description
FREE-Valve’s main body of the Vacuum Globe Valve adopts a cast-forging structure, and has a parallel double-sealed pair and a half-forced two-way seal, and the sealing surface in-position movement and the wedge-shaped wedge wedge movement are step-by-step action to realize zero leakage. The friction coefficient between the sealing surfaces is small and the opening and closing are convenient. Moreover, the wear of the sealing surface has an automatic compensation function.
Features
1. The product is designed and manufactured according to the JB/T3595 standard, which meets the requirements for supporting the use of power station equipment.
2. The vacuum sealed packing room is designed to isolate the vacuum reliably.
3. The valve stem is Tempered and Nitrided on the surface to provide good corrosion resistance, scratch resistance and wear resistance.
4. The flange gasket is made of composite material, which has a large expansion coefficient and good airtight performance, ensuring the system and the atmosphere are isolated and reliable.
5. Inverted seal is made of stainless steel threaded connection seal base or body austenitic stainless steel, reliable sealing.
6. The structure is simple, compact, easy to repair and long service life.
7. The bonnet filling chamber is provided with a vacuum sealing structure, which has a self-expanding and compacting effect, and the sealing is sealed with a high-strength expansion material, so that the system is completely isolated from the atmosphere, and has a good system tightness.
Technical Specification:
Flange connection
ASME B16.5,GB/T9113
Design standard
ASME B16.34,JB/T3595
Pressure Range
Class150~Class600
Size Range
DN50~DN 500, NPS2~NPS20
Material
25, WCB Cr5Mo
Connection type
Flange
Working Temperature
≤425℃
Operating Type
Manual,electric
Sealing surface material
Alloy
Pressure test
GB/T13927, API598
Face to Face
GB/T12221, API609
 
Application
FREE-Valve’s Vacuum Globe Valve is suitable for medium pressure of PN4.0~10.0Mpa nominal pressure and operating temperature ≤200°C in the backwater condensing system of thermal power station.  It is especially suitable for the steam turbine condensation and vacuum negative pressure systems in thermal power plants and plays a role in vacuum sealing and isolation. 
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