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 EN-GJS-450-10
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 BS EN 1092-2:1997
• Working Pressure: PN10/PN16
• Temperature Range: 0℃- 80℃
• Coating: Fusion Bonded Epoxy Coating in accordance with ANSI/AWWA C550
Part No. | Part | Standard Specification | Options |
1 | Valve Body | EN-GJS-450-10 |
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2 | Resilient Wedge Disc | EN-GJS-450-10+EPDM |
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3 | O-ring | NBR | EPDM |
4 | Stem | SS420 | SS304, SS16, Al-bronze |
5 | Nut | Carbon Steel Zinc Plated | SS304, SS316 |
6 | Bonnet | EN-GJS-450-10 |
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7 | Stem Bushing | Brass Hpb59-1 |
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8 | Gland | EN-GJS-450-10 |
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9 | Flat Washer | Carbon Steel Zinc Plated | SS304, SS316 |
10 | Stud | Carbon Steel Zinc Plated | SS304, SS316 |
11 | Nut | Carbon Steel Zinc Plated | SS304, SS316 |
12 | Yoke | EN-GJS-450-10 |
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13 | Nut | Brass Hpb59-1 |
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14 | Washer | Brass Hpb59-1 |
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15 | Locknut | Carbon Steel Zinc Plated |
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16 | Handwheel | EN-GJS-450-10 | Pressed Steel |
17 | Stem Packing | NBR | EPDM |
18 | Bonnet Gasket | EPDM | NBR |
Note: For special material request other than standard specification, please indicate clearly on the inquiry or order list.
DN | PN | Dimensions(mm) | |||||||||
Inch | mm |
| L | H1(Close) | H2(Open) | D | D1 | d | C | T | n-φL |
2" | 50 | 10 | 178 | 257 | 307 | 165 | 125 | 99 | 19 | 3 | 4-Φ19 |
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| 16 |
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|
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|
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2.5" | 65 | 10 | 190 | 305 | 370 | 185 | 145 | 118 | 19 | 3 | 4-Φ19 |
|
| 16 |
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|
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|
|
|
|
3" | 80 | 10 | 203 | 350 | 430 | 200 | 160 | 132 | 19 | 3 | 8-Φ19 |
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| 16 |
|
|
|
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|
|
|
|
4" | 100 | 10 | 229 | 422 | 522 | 220 | 180 | 156 | 19 | 3 | 8-Φ19 |
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| 16 |
|
|
|
|
|
|
|
|
|
5" | 125 | 10 | 254 | 515 | 640 | 250 | 210 | 184 | 19 | 3 | 8-Φ19 |
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| 16 |
|
|
|
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|
|
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6" | 150 | 10 | 267 | 563 | 713 | 285 | 240 | 211 | 19 | 3 | 8-Φ23 |
|
| 16 |
|
|
|
|
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|
|
|
|
8" | 200 | 10 | 292 | 675 | 875 | 340 | 295 | 266 | 19 | 3 | 8-Φ23 |
|
| 16 |
|
|
|
|
|
|
|
| 12-Φ23 |
10" | 250 | 10 | 330 | 905 | 1155 | 405 | 350 | 319 | 22 | 3 | 12-Φ23 |
|
| 16 |
|
|
|
| 355 |
|
|
| 12-Φ28 |
12" | 300 | 10 | 356 | 1030 | 1330 | 460 | 400 | 370 | 24.5 | 4 | 12-Φ23 |
|
| 16 |
|
|
|
| 410 |
|
|
| 12-Φ28 |
14" | 350 | 10 | 381 | 1210 | 1560 | 520 | 460 | 429 | 26.5 | 4 | 16-Φ23 |
|
| 16 |
|
|
|
| 470 |
|
|
| 16-Φ28 |
16" | 400 | 10 | 406 | 1280 | 1680 | 580 | 515 | 480 | 28 | 4 | 16-Φ28 |
|
| 16 |
|
|
|
| 525 |
|
|
| 16-Φ31 |
18" | 450 | 10 | 432 | 1760 | 2210 | 640 | 565 | 530 | 30 | 4 | 20-Φ28 |
|
| 16 |
|
|
|
| 585 | 548 |
|
| 20-Φ31 |
20" | 500 | 10 | 457 | 1780 | 2280 | 715 | 620 | 582 | 31.5 | 4 | 20-Φ28 |
|
| 16 |
|
|
|
| 650 | 609 |
|
| 20-Φ34 |
24" | 600 | 10 | 508 | 1950 | 2550 | 840 | 725 | 682 | 36 | 5 | 20-Φ31 |
|
| 16 |
|
|
|
| 770 | 720 |
|
| 20-Φ37 |
Q1: Are you a factory or trading company
A1: We are a factory, we can guarantee our price is first-hand, very cheap and competitive.
Q2: How does your factory do regarding quality control?
A2:All products will pass the 3 process inspection, casting inspection, semi-finished product inspection and finished product inspection,checked one by one before shipment.
Q3:When can I get the price?
A3:Usually we quote within 24 hours after we get your inquiry.
Q4:What is the MOQ?
A4:1Set.
Q5:Is the sample acceptable?
A5:Yes, It is okay.
Q6:How about the warranty?
A6:The warranty tims is 12months after leaving our factory,we can repair or change because of the quality problems.
Q7:Payment
A7:T/T,Western Union & LC are applicable for us.Payment term:30% prepayment,70% balance paid before shipment.
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