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Product Name： RVEX electric resilient seated gate valve Product Introduction： Fire dedicated resilient seated gate valve next shot in addition to its advantages of flexible seal valve seat outside, and can be more intuitive display the valve opening degree in order to distinguish the more distant the valve opening time to take corresponding measures. Open and close quickly and reliably, so often used in fire protection systems. |
The main components Material
| NO . | Part Name | Material |
| 1 | handwheel | Malleable Iron |
| 2 | stem nut | copper alloy |
| 3 | main frame | gray iron, ductile iron, cast steel |
| 4 | gland | ductile iron, cast steel |
| 5 | ring | nitrile rubber, EPDM |
| 6 | Stem | stainless steel |
| 7 | in the mouth pad | nitrile rubber, EPDM |
| 8 | ram | ductile iron + nitrile rubber or EPDM |
| 9 | body | gray iron, ductile iron, cast steel
& nbsp; |
The main technical parameters
PN: 1.0-2.5MPa
Working temperature: 0-120 ℃
Flange Standard: GB / T 17241.6 GB9113
Nominal diameter: 50-400mm
Suitable medium: water, oil, gas and other
Test Standard: GB13927 Ap1598
The main connection Dimensions
Unit: mm
| DN | 50 | 65 | 80 | 100 | 125 | 150 | 200 | 250 | 300 | 350 | 400 |
| L | 178 | 190 | 203 | 229 | 254 | 267 | 292 | 330 | 356 | 381 | 406 |
| Ha | 322 | 332 | 350 | 420 | 581 | 581 | 736 | 882 | 1009 | 1300 | 1380 |
| Hc | 374 | 398 | 429 | 524 | 721 | 736 | 942 | 1013 | 1117 | 1655 | 1805 |
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