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Cast iron gate
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
Product details

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

Model Nominal pressure MPa Test pressure MPa Operating temperature Use media
seal strength
Z45H-10 1.0 1.1 1.5 ≤200 ℃ Water, steam, oil
Z45T-10
Z45W-10 ≤100 ℃ Oil, gas


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

model Body, bonnet, gate gate Sealing ring Stem nut Valve stem filler
Z45H-10 Gray cast iron,
cast steel 		Carbon steel
+ alloy steel 		Stainless steel,
alloy steel 		bronze Carbon steel,
stainless steel 		Oil impregnated
asbestos packing
Z45W-10 grey cast iron grey cast iron brass Carbon steel
Z45T-10 grey cast iron Gray cast iron
+ brass 		brass Carbon steel, brass


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


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