AWWA ANSI250 PSI Rising Stem Resilient Seated Gate Valve
Outside stem and yoke (os&y)
Bolt bonnet
Low torque operation
Rubber encapsulated wedge
CIockwise closing direction
Fusion bonded epoxy coated inside and outside
Painting: The German Ral color
Maximum temperature 80Ў
Design: AWWA C515/C509
Face to Face: ANSI B 16.10
Flanges: ASME B 16.42
Hydraulic test to AWWA C509
Seat Test pressure: 250 PSI
Shell Test pressure: 500 PSI
Operating torque test
| Sr.no | Part | Material |
| 1 | Body | ASTM A536 65-45-12 |
| 2 | Wedge | DI+EPDM/NBR |
| 4 | Stem | AlSI 420 |
| 5 | Bonnet Gasket | EPDM/NBR |
| 6 | Bonnet | ASTM A536 65-45-12 |
| 6a | Yoke | ASTM A536 65-45-12 |
| 14 | Gland Flange | ASTM A536 65-45-12 |
| 17 | Stem Nut | Brass |
| Size | L | D | D1 | D2 | b | n-d | H(open) | W |
| 11/2′ | 165 | 150 | 98.5 | 73 | 19 | 4-16 | 365 | 180 |
| 2″ | 178 | 165 | 120.7 | 92 | 19 | 4-19 | 385 | 180 |
| 21/2″ | 191 | 185 | 139.7 | 105 | 19 | 4-19 | 415 | 180 |
| 3″ | 203 | 200 | 152.4 | 127 | 19 | 4-19 | 518 | 205 |
| 4″ | 229 | 229 | 190.5 | 157 | 19 | 8-19 | 570 | 240 |
| 5″ | 254 | 250 | 215.9 | 186 | 19 | 8-22 | 745 | 240 |
| 6″ | 267 | 285 | 241.3 | 216 | 19 | 8-22 | 790 | 280 |
| 8″ | 292 | 340 | 298.5 | 270 | 20 | 8-22 | 990 | 320 |
| 10″ | 330 | 405 | 362 | 324 | 22 | 12-25 | 1175 | 360 |
| 12″ | 356 | 483 | 431.8 | 381 | 24.5 | 12-25 | 1390 | 450 |
NOTE:
Request for special characteristic is available . VELYA reserves the right to modify dimensions , or design on products without prior notice .
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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.
