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Large-diameter stainless steel gate valve

Products > Gate valve > Large-diameter stainless steel gate valve

Large-diameter stainless steel gate valve

Product model: Z41W / Y
Nominal pressure: PN1.0~16.0MPa
Nominal diameter: DN50~1600mm
Main material: stainless steel
Suitable medium: water, oil and other acid corrosion
Design specifications: GB / T12234
Length of the structure: GB / T 12221
Flange connection: GB / T 9113 JB / T 79
Test and Inspection: GB / T 13927 JB / T9092
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First, the product uses 
Z41 gate valve products with small fluid resistance gate, the sealing surface erosion by erosion is small, does not change the media flow, no spoiler, pressure drop and other characteristics of the applicable pressure, temperature range, is a common cut off Valve, widely used in petroleum, chemical, thermal power plants and other oil products, water vapor pipeline connected or cut off the medium in the pipeline. (Do not use throttle).


 Second, the product features 
1 , the most commonly used wedge gate valve wedge seal formed two, wedge angle varies with the valve parameters, usually 50 ; wedge gate valve gate can be made as a whole, called the rigid gate ; Can also be made to produce micro deformation of the gate, to improve its technology to make up for the sealing surface angle in the process of deviation, this gate is called elastic gate; 2 , reliable sealing, excellent performance; usually Under the use of wedge-type elastic gate structure, the large diameter set rolling bearings, easy opening and closing; wedge gate valve shape is simple  short structure length, manufacturing process is good, wide range of applications; 3 , according to the user user selection bevel gear, electric , Pneumatic and other drives. 
 


Third, the main connection size

Convex flange 
RF 
Z40H 
Z40Y 
Z40W 
Z40F 
Z40N 

Z41H 
Z41Y 
Z41W 
Z41F 
Z41N 

16C 
16P 
16R 
16I
1.0MPa
DNLDD1D2bZ-φdHDo
50180160125100164-φ18358240
65195180145120184-φ18373240
80210195160135504-φ18435280
100230215180155508-φ18500300
125255245210185558-φ18614320
150280280240210258-φ23674320
200330335295265268-φ23818400
2503803903503202612-φ23969450
3004204404003682612-φ231145500
3504505004604282616-φ231280500
4004805655154822616-φ251452560
4505106455655322820-φ251541600
5005406706205852820-φ251676640
6006007807256853020-φ301874720
7006608958408003224-φ302083800
80072010109509053424-φ342400950
9007801110105010053628-φ3429501000
1008401220116011153828-φ3432451000
12009601450138013254032-φ4138501100
140010801675159015254236-φ4839801200
160010001915182017504640-φ5441201300


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