1.Product Introduction of Large Diameter Electric Gate Valve Z941H:
Large Diameter Electric Gate Valve Z941H produced by TopVal is suitable for the pipelines of various systems of petroleum, chemical, hydraulic and thermal power stations with nominal pressure PN1.6 ~ 16.0MPa and working temperature ≤-29℃ ~ 550℃, to cut off or connect the pipeline medium.Applicable medium: water, oil, steam, and acid, alkali, ammonia, urea, sulfur-containing natural gas, etc.Operation mode: manual, gear drive, electric, pneumatic and so on.
2. Application Specification of Large Diameter Electric Gate Valve Z941H:
Design and manufacture | GB/T12234 | |
|---|---|---|
| End size | Structural length | GB/T12221 |
| Flange dimensions | JB79 | |
| Inspection and Test | JB/T9092 | |
| Material Science | carbon steel | GB/T12229 |
| Stainless steel | GB/T12230 | |
| Logo | GB/T12220 | |
| Supply commodity | JB/T7928 | |
3. Structure and Characteristics of Large Diameter Electric Gate Valve Z941H:
2, in line with the requirements of advanced standards at home and abroad, reliable sealing, excellent performance, beautiful shape.
3, the sealing pair is advanced and reasonable, the sealing surface of the gate and the valve seat is made of STELLITE cobalt based hard alloy with different hardness, which is reliable in sealing, high hardness, wear resistance, high temperature resistance, corrosion resistance, abrasion resistance, long life.
4, the valve stem by quenching and surface nitriding treatment, has good corrosion resistance, abrasion resistance and wear resistance.
5. Adopt wedge type elastic gate structure, large diameter thrust bearing, small friction force, and equipped with percussion manual, easy to open and close.
6. Various piping flange standards and flange sealing surface forms can be adopted to meet various engineering needs and user requirements.
4. Main components materials and main uses of Large Diameter Electric Gate Valve Z941H:
| Body | Cover | Valve plate | valve seat | Stem | Packing | Applicable medium | Suitable temperature (≤℃) |
|---|---|---|---|---|---|---|---|
| WCB | WCB+D507MO | D577 | 2Crl3 | Flexible graphite | Water, oil, steam | 425 | |
| ZGlCr5MO | ZGlCr5M0+ Stellite12 | 1Crl8Ni9+ Stellite6 | 25Cr2M01VA | Flexible graphite | Water, oil, steam | 550 | |
| ZGlCrl8Ni9Ti | 1Crl7Ni2 | 1Crl8Ni9+ Stellite6 | 1Crl8Ni9Ti | PTFE | Nitric acid, alkali | 200 | |
| ZG00Crl7Nil4M02 | 316L+ Stellite12 | 316L+Stel1ite6 | 316L | PTFE | Urea, Ammonium Methyl, Phosphoric Acid | 200 | |
5. Main Dimensions of Large Diameter Electric Gate Valve Z941H:
| Convex flange RF Z940H Z940Y Z940W Z940F Z941H Z941Y Z941W Z941F 16C 16P 16R 16I | 1.6MPa | ||||||||
| DN | L | D | D1 | D2 | b | Z-φd | H | Model of electric equipment | |
| 40 | 200 | 145 | 110 | 85 | 16 | 4-φ18 | 595 | DZW10 | |
| 50 | 250 | 160 | 125 | 100 | 16 | 4-φ18 | 653 | DZW10 | |
| 65 | 265 | 180 | 145 | 120 | 18 | 4-φ18 | 665 | DZW10 | |
| 80 | 280 | 195 | 160 | 135 | 20 | 8-φ18 | 725 | DZW15 | |
| 100 | 300 | 215 | 180 | 155 | 20 | 8-φ18 | 787 | DZW20 | |
| 125 | 325 | 245 | 210 | 185 | 22 | 8-φ18 | 934 | DZW20 | |
| 150 | 350 | 280 | 240 | 210 | 24 | 8-φ23 | 955 | DZW20 | |
| 200 | 400 | 335 | 295 | 265 | 26 | 12-φ23 | 1105 | DZW30 | |
| 250 | 450 | 405 | 335 | 320 | 30 | 12-φ25 | 1343 | DZW30 | |
| 300 | 500 | 460 | 410 | 375 | 30 | 12-φ25 | 1516 | DZW45 | |
| 350 | 550 | 520 | 470 | 435 | 34 | 16-φ25 | 1678 | DZW90 | |
| 400 | 600 | 580 | 525 | 485 | 36 | 16-φ30 | 1849 | DZW120 | |
| 450 | 650 | 640 | 585 | 545 | 40 | 20-φ30 | 1937 | DZW120 | |
| 500 | 700 | 705 | 650 | 608 | 44 | 20-φ34 | 2234 | DZW180 | |
| 600 | 800 | 840 | 770 | 718 | 48 | 20-φ41 | 2432 | DZW250 | |
| 700 | 900 | 910 | 840 | 788 | 50 | 24-φ41 | 2489 | DZW250 | |
| 800 | 1000 | 1020 | 950 | 898 | 52 | 24-φ41 | 2643 | DZW350 | |
| 900 | 1100 | 1120 | 1050 | 998 | 54 | 28-φ41 | 2935 | DZW500 | |
| 1000 | 1200 | 1255 | 1170 | 1100 | 56 | 28-φ48 | 3410 | DZW500 | |
| 1200 | 1300 | 1485 | 1390 | 1325 | 58 | 32-φ54 | 3850 | DZW500 | |
