D642X Pneumatic Flange Soft Seal Butterfly Velve
1.Double eccentric structure, tight and liable sealing function.
2.The multiplicity-sealing materials may choose stainless steel and Buna-N resistance to oil.
3.The rubber sealing ring could be located on the body of valve, also located on the valve plate. It is suitable for various service.The users may choose freely.
4.The valve plate utilize frame structure, high intensity, large flowing area, little flowing resistance.
5.Baking finish could resist to rust effectivelyЈand just change the materials of the sealed seat, it will be used in different service.
6 .The valve has duplex sealing function, it could be installed toward different direction.
7.Unique configuration, operation flexibly, saving-labor and convenient.
Manufacture Std.: DIN3352 ЎAPI609 ЎBS EN593
Face to Face: DIN3202ЎISO5752ЎBS EN558-1
Flange: DIN2501ЎANSI B 16.5ЎANSI B 16.47ЎBS EN1092-2ЎBS4504 ЎISO 7005-2
Test: API598, EN12266.1Ў ISO5208
| Sr.no | Part | Material |
| 1 | Body | GG20YGGG40 or WCB |
| 2 | Lower Stem | 2Cr13Y304 |
| 3 | Disc | GG20YGGG40 or WCB |
| 4 | Clamping Ring | GGG40YGGG50 |
| 5 | Sealing Ring | Natural Rubber YNBR or EPDM |
| 6 | Upper Stem | 2Cr13 or 304 |
| 7 | Opening Parts | Pneumatic Actuator |
DN 100-600
| ltem | DnJmmJ | ||||||||||||
| PN(Mpa) | 100 | 125 | 150 | 200 | 250 | 300 | 350 | 400 | 450 | 500 | 600 | ||
| 1.0 1.6 | 1.0 1.6 | 1.0 1.6 | 1.0 1.6 | 1.0 1.6 | 1.0 1.6 | 1.0 | 1.0 | 1.0 | 1.0 | 1.0 | |||
| Size (mm) |
L | 127 | 140 | 140 | 152 | 165 | 178 | 190 | 216 | 222 | 229 | 267 | |
| D | 220 | 250 | 285 | 340 | 395 405 | 445 | 460 | 505 520 | 565 580 | 615 640 | 670 715 | 780 840 | |
| H | 428 | 444 | 553 | 678 | 742 | 803 | 866 | 940 | 995 | 1058 | 1163 | ||
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Velya Valve is located in oubei , zhejiang the valve Town . The company is committed to the production of HVAC Valves，water system valves，and energy saving management of heating and cooling systems.
