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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

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

DN (mm) Size (mm) Weight 
 (kg)
L D D1 D2 b Zd H D0
50 180 160 125 100 20 4-18 345 180 17
65 195 180 145 120 20 4-18 376 180 20
80 210 195 160 135 22 4-18 417 200 27
100 230 215 180 155 22 8-18 460 200 50
125 255 245 210 185 24 8-18 525 240 70
150 280 280 240 210 24 8-23 567 240 95
200 330 335 295 265 26 8-23 705 320 150
250 380 390 350 320 28 12-23 800 320 200
300 420 440 400 368 28 12-23 886 400 280
350 450 500 460 428 30 16-23 968 400 360
400 480 565 515 482 32 16-25 1090 500 500
450 510 615 565 538 32 20-25 1175 500 590
500 540 670 620 585 34 20-25 1414 720 680
600 600 780 725 685 36 20-30 1593 720 951
700 660 895 840 800 40 24-30 1812 800 1950


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