USV 20-8 ES 溢流阀-产品快照
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- USV 20-8 ES
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| 供应商名称 | 电话 | 备注 |
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| 暂无展示，可咨询在线客服 | 400-811-6961 |
 微信咨询，as10@gchane.com , QQ3350168184
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产品介绍
USV 20-8 ES 溢流阀
Relief valve G 2", 2 - 8 bar
Advantages: •compact design, •self-contained gas-tight design, •optimised with high Kv values, •can be adjusted externally without disassembly and without special tools, •wide pressure range coverable with a valve, •can be used for gas-forming and liquid media Application: Relief valves are used in closed circuits to protect pumps from overload. When the adjustable reaction pressure is exceeded, the valve opens in proportion to the overpressure and thus slowly releases pressure. The relief valve is designed to be open for an extended time. As a matter of principle, one must assume that the pressure in the system can exceed the reaction pressure set on the relief valve. Safety valves have a completely different response characteristic. In the event that the reaction pressure is exceeded by more than 10%, they open almost instantaneously and release all pressure at once. When the pressure comes down to 10-20% below the set reaction pressure, the valve closes again. Although this function does ensure that the set pressure will not be exceeded by more than 10%, the system will be heavily stressed by the non-proportional opening behaviour. Version: Using an Allen key, the relief valves can be adjusted under operating conditions, and without releasing any medium into the surroundings. You are not compensated against back pressure. Materials: Bodies: red bronze / brass, spring: stainless steel, seal: Viton (12 to 20 bar: PTFE) Temperature range: -20°C to max. +200°C Media: Compressed air and other aggressive, non-flammable gases, water and other neutral, non-toxic fluids, mineral oils Optional: Body made of stainless steel 1.4401/1.4408 -ES *at 1 bar excessive pressure All data are to be understood as non-binding reference values! We do not assume liability for any data selection not confirmed in writing. Unless otherwise specified, pressure values refer to liquids from Group II at +20°C.
Technical data Pressure range [bar] 2 - 8 kv value* Water [m³/h] 24,3 - 47,4 DN [mm] 50 Thread G 2" h [mm] 66 H [mm] 149 L [mm] 67 SW [mm] 70 Note RoHs-compliant Further information GTIN 4050571714260 Customs duty number: 84814010
Valves Safety valves - Pressure limiting valves relief valves USV 20-8 ES
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