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Professional Industrial Valves Manufacturer
Gate valves serve to cut the medium flow in the piping system, widely used in the field of potable water, water supply and drainage, sewage disposal, irrigation, air conditioning, fire protection as well as chemical and energy industry.
◔ Material
Ductile Iron ASTM A536, 65-45-12
Body, bonnet, wedge, handwheel and operating nut are all produced in ductile iron material which provides guarantee for high strength and good corrosion resistance.
◔ Triple O-ring Stem Seals
The lower O-ring isolates the stem thrust collar bearing area from the waterway. The upper two O-rings can easily be replaced in the line while the valve is under pressure in the open position.
◔ Stainless Steel Stem, Brass Thrust Collar and Bronze Wedge Nut
This life-tested MEIDE design has repeatedly proven its superior strength and abrasive resistance.
◔ Fusion Bonded Epoxy Coating
Fusion bonded epoxy coating in accordance with ANSI/AWWA C550 for both interior and exterior surface which provides reliable corrosion resistance.
◔ Long Service Life with Resilient Seat Cycling Test 1,000 times
The Valve has been subjected to 1,000 cycles of operation at a maximum rate of 6 cycles of operation per minute from fully closed to fully open and from fully open to fully closed positions under cycled hydrostatic pressure.
• Connection Ends: Flange to ASME B16.1 CL 125
• Working Pressure: 300PSI 200PSI and 250PSI available upon request
• Temperature Range: 0℃- 80℃
• Coating: Fusion Bonded Epoxy Coating in accordance with ANSI/AWWA C550
Part No. | Part | Standard Specification | Options |
| 1 | Valve Body | ASTM A536,65-45-12 | |
| 2 | Resilient Wedge Disc | ASTM A536,65-45-12+EPDM | |
| 3 | Stem | AISI 420 | AISI 304, AISI 431, AISI 316, Al-bronze |
| 4 | Bonnet Gasket | EPDM | NBR |
| 5 | Bonnet | ASTM A536,65-45-12 | |
| 6 | Washer | Brass Hpb59-1 | |
| 7 | Yoke | ASTM A536,65-45-12 | |
| 8 | Stem Bushing | Brass Hpb59-1 | |
| 9 | Gland | ASTM A536,65-45-12 | |
| 10 | Stem Nut | Brass Hpb59-1 | Bronze ZQSn5-5-5 |
| 11 | Handwheel | ASTM A536,65-45-12 | Pressed Steel |
| 12 | Washer | Brass Hpb59-1 | |
| 13 | Gland Nut | Carbon Steel Zinc Plated | AISI 304, AISI 316 |
| 14 | Stud | Carbon Steel Zinc Plated | AISI 304, AISI 316 |
| 15 | Flat Washer | Carbon Steel Zinc Plated | AISI 304, AISI 316 |
| 16 | Nut | Carbon Steel Zinc Plated | AISI 304, AISI 316 |
17 | O-Ring | EPDM | NBR |
Note: For special material request other than standard specification, please indicate clearly on the inquiry or order list.
DN | Dimensions(mm) | |||||||
Inch | mm | L | H1(Close) | H2(Open) | D | D1 | C | n-ΦL |
2" | 50 | 178 | 318 | 370 | 152 | 120.7 | 16 | 4-Φ19.1 |
2.5" | 65 | 190 | 343 | 410 | 178 | 139.7 | 17.5 | 4-Φ19.1 |
3" | 80 | 203 | 386 | 468 | 191 | 152.4 | 19.1 | 4-Φ19.1 |
4" | 100 | 229 | 436 | 538 | 229 | 190.5 | 19.1 | 8-Φ19.1 |
5" | 125 | 254 | 516 | 640 | 254 | 215.9 | 19.1 | 8-Φ22.2 |
6" | 150 | 267 | 576 | 730 | 279 | 241.3 | 19.1 | 8-Φ22.2 |
8" | 200 | 292 | 749 | 950 | 343 | 298.5 | 22.2 | 8-Φ22.2 |
10" | 250 | 330 | 904 | 1158 | 406 | 362 | 23.8 | 12-Φ25.4 |
12" | 300 | 356 | 1030 | 1335 | 483 | 431.8 | 25.4 | 12-Φ25.4 |
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