| Model： | ||
| Standard or Nonstandard： | Standard |
|
| Pressure： | HighPressure |
|
| Material： | StainlessSteel |
| PriceRange： | ||
| Structure： | Check |
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A standard check valve actuated by counter flow and the non-slam check valve can be used with by-pass valve or counter-weight. Definitely, the non-slam check valve can be equipped with a counterweight and may have an optional hydraulic damper cylinder with a unidirectional oil flow metering valve. And the hydraulic cylinder is complete with a by-pass device and safety valve set to permit the free flow of the oil when the oil pressure is higher than a certain number. This abnormally high pressure can be reached only if the closing time is set too long or the hydraulic flow metering valve is not functioning. Actually, the closing time of the valve is able to be controlled, with limits, by metering the hydraulic flow in a damper unit.
Besides, the unidirectional oil flow control valve on the hydraulic / damper cylinder can be set from full opening to full closing by adjusting the external coupling. If required it is possible to furnish an auxiliary unidirectional oil flow metering valve which be used to adjust the opening time.
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