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Cast iron dark bar gate valve

Products > Gate valve > Cast iron dark bar gate valve

Cast iron dark bar gate valve

Model: Z45
Nominal diameter: DN50 ~ 700MPa
Nominal pressure: PN1.0 ~ 1.6MPa
Temperature: ≤200 ℃
Main material: gray iron, steel
Operation: manual, electric, gear
Design and manufacture: GB / T12234- 89
Structure Length: GB / T12221-89
Flange Size: JB79 GB / T9112-9131
Inspection and Testing: JB / T9092-99 GB / T13927-92
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First, Z45 cast iron dark bar valve main features and uses

1, Compact structure, reasonable design, good valve rigidity, smooth passage, small flow resistance coefficient. 
 2, the sealing surface of stainless steel and carbide, long life. 
 3, Flexible graphite packing, reliable sealing, light and flexible operation. 
 4, the driving mode sub-manual, electric, pneumatic, gear drive, structure type: elastic wedge single gate, rigid wedge single gate and double gate model. 
 5, Widely used in petroleum chemical industry, thermal power plants and other oil products, water vapor pipeline for access or cut off the medium pipeline opening and closing devices. 

 

Second  , Z45 cast iron dark bar gate valve main technical parameters

ModelNominal pressure MPaTest pressure MPaOperating temperatureUse media
sealstrength
Z45H-101.01.11.5≤200 ℃Water, steam, oil
Z45T-10
Z45W-10≤100 ℃Oil, gas

 

Third, Z45 cast iron dark rod valve main parts and materials

modelBody, bonnet, gategateSealing ringStem nutValve stemfiller
Z45H-10Gray cast iron,
cast steel
Carbon steel
+ alloy steel
Stainless steel,
alloy steel
bronzeCarbon steel,
stainless steel
Oil impregnated
asbestos packing
Z45W-10grey cast irongrey cast ironbrassCarbon steel
Z45T-10grey cast ironGray cast iron
+ brass
brassCarbon steel, brass

 

Fourth, Z45 cast iron dark bar gate valve main dimensions and weight

DN (mm)Size (mm)Weight 
 (kg)
LDD1D2bZdHD0
50180160125100204-1834518017
65195180145120204-1837618020
80210195160135224-1841720027
100230215180155228-1846020050
125255245210185248-1852524070
150280280240210248-2356724095
200330335295265268-23705320150
2503803903503202812-23800320200
3004204404003682812-23886400280
3504505004604283016-23968400360
4004805655154823216-251090500500
4505106155655383220-251175500590
5005406706205853420-251414720680
6006007807256853620-301593720951
7006608958408004024-3018128001950


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