VAG GA Pressure Reducing Check Valve Figures 4900-D, 4900-U
01.02 - 09.02
Производител: VAG Group
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VAG GA Industries Figures 4900-D and 4900-U self-contained, pilot-operated, differential piston actuated pressure reducing valves reduce a higher, fluctuating inlet pressure to a lower, steady downstream pressure regardless of variations in demand.
The main valve incorporates a “stop-check feature” that prevents reverse flow in the event inlet pressure falls below outlet pressure.
The valve’s unique V-port trim provides a semi-linear flow characteristic for excellent control during periods of minimum demand plus full port capacity to handle peak demand such as fire flow.
| Renewable seat material | Buna-N | External fasteners material | Steel A307 (Zinc Plated) |
|---|---|---|---|
| Internal trim material | Lead free bronze | Internal fasteners material | Stainless Steel |
| Pilot valve body material | Lead Free Brass Bronze or Copper | Connection type | Flanges |
| Материал на тялото | Cast Iron ASTM A126 Class B | Bonnet material | Steel ASTM A36 |
| Application | Water | Function | Control flow |
VAG GA Industries Figures 4900-D and 4900-U self-contained, pilot-operated, differential piston actuated pressure reducing valves reduce a higher, fluctuating inlet pressure to a lower, steady downstream pressure regardless of variations in demand. The main valve incorporates a “stop-check feature” that prevents reverse flow in the event inlet pressure falls below outlet pressure. The valve’s unique V-port trim provides a semi-linear flow characteristic for excellent control during periods of minimum demand plus full port capacity to handle peak demand such as fire flow.