Z45 Cast Iron Blind Stem Wedge Gate ValveProduct overviewProduct model: Z45Nominal diameter: DN50~700mmNominal pressure: PN1.0~1.6MPaApplicable temperature: ≤200℃Main material: gray cast iron, cast steelDrive mode: manual, electric, gear driveDesign and Manufacture: GB/T12234-89Structure length: GB/T12221-89Flange surface size: JB79 GB/T9112-9131Inspection and test: JB/T9092-99 GB/T13927-92
Z45 Cast iron blind stem wedge gate 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.
Z45 Cast iron blind stem wedge 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 |
Z45 Cast iron blind stem wedge gate 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 |
Z45 Cast iron blind stem wedge 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 |