group nameHVAC Balancing Valve
Min Order1 set
payment methodT/T
update timeTue, 23 May 2017 10:12:13 GMT
Min Order1 set
Specification
There are Y-pattern globe valves fitted with two pressure test valves to provide flow
measurement, regulation and isolation. Valves confirm to requirements of BS7350
Application
Primarily used in injection or other circuits requiring a double reguilating valve for systems
balancing. Accuracy of flow measurement is ±5% at all open positions of the valve. Some
reduction in accordance with BS7350.
Pressure/Temperature Ratings
| PN16 | PN25 |
Temperature (℃) | -10 to 120 | |
Working Pressure (Bar) | 16 | 25 |
Test Pressure (Bar) | Shell:24 | Shell:37.5 |
| Seat:17.6 | Seat:27.5 |
Materials
Part | Material | ASTM Specification |
Body | Ductile | A536 65-45-12 |
Bonnet | Ductile | A536 65-45-12 |
Stem | Stainless Steel 410 | AISI 410 |
Disc | EPDM | Coated DI |
Gland〔65-150mm〕 | Brass | B124 C37700 |
Gland〔200-300mm〕 | Ductile | A536 65-45-12 |
Stem Nut | Brass | B124 C37700 |
Hand Wheel | Ductile | A536 65-45-12 |
Test Valve | Brass | B453 C35330 |
Dimensions, Coefficients
SIZE | L | H | Kv | |
21/2 | DN65 | 290 | 188 | 98 |
3 | DN80 | 310 | 203 | 122.2 |
4 | DN100 | 350 | 240 | 201 |
5 | DN125 | 400 | 283 | 293 |
6 | DN150 | 480 | 285 | 404.3 |
8 | DN200 | 600 | 467 | 814.5 |
10 | DN250 | 730 | 480 | 1200 |
12 | DN300 | 850 | 515 | 1600 |
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