Quick Details

• Place of Origin:

  Wenzhou China

• Packing:

  Wooden Case

• Delivery Port:

  Ningbo/Shanghai

• OE Experience:

  No

Product Name:Vacuum Isolated Gate Valve Of Power Plant Valves

Vacuum Isolated Gate Valve Of Power Plant Valves

Application

Zhonghua

Product Description:

  Product overview
Chief structure features and usages
1. The main body of this series valve uses a casting and forging structure and has a dual-direction seal of parallel secondary semi-forced dual-sealing and the motions of both the sealing face to its due position and the tapered block to wedge-up are separated to have zero lead age come true.
2. The sealing face is of a small frictional force if motion,lightly opened and closed and has a self compensation function for wearing.
3. Simple structure easy to more than 10 years of long duration.
4. A vacuum sealing structure is set in the filling chamber on the valve cover,which has the action of self-expanding and impacting,the joint faces are sealing with the expansive material of high strength to completely isolate the system from air.
5. Two connection ways of b flange and welding,two ways to drive of heand-and eletric-operation. The valve can be used as the open & close device for the pipelines under the working temperature Less than425degree centigrade and 550 degree centigrade  and the working medium of water,steam or air;especially suitable to act as the vacuum isolating sealing for the system of steam turbine's considernation and vacuum negative pressure in steam power plants.
Valve ctrucure type:
Mode1 NKJ61 Vacuum isolating stop valve;Model NKZ44 and NKZ64 Vacuum isolating gate valves.
Manufacture and acceptance standard:
1. Manufacture,acceptance and technical conditions per GB/T12234,GB/T12235.
2. Face-to face dimensions per GB/T12221.
3. Flange sizes per JB/T78-79,GB/T9112-9124.
Material for main parts
Body,Bonnet: 25 or WCB
Valve stemCr.stainless steel25Cr2MoV
DiscCr.stainless steel12Cr1MoVA
Sealing faceH: alloy steelY: carbide alloy
Yoke nutAl bronze
PackingExpanding compound graphite
FastenerHigh-grade carbon steelCr.Mo steel
 

ZheJiang Hisun automation instrument Co.,Ltd. is a valve company which integrates Researching, manufacturing, designing,sales and after services as a specialized unit. This company is located beautifully in the scenery, scenery joy person's China "township of the pump valve" north the Wenzhou cup ...[Read More]

Company Profile:

• Main Product:

  Power Station Valve

• Business Type:

  Manufacturer

• Current Export Market:

  South America, Western Europe, Eastern Europe, Eastern Asia, Southeast Asia, Africa, Oceania

• Total Annual Sales:

  USD 100,000 - 500,000

Factory Profile:

• Number of Employees:

  101 - 200 People