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Proportional Relief Valves Parker HPRV serie
![Proportional Relief Valves Parker HPRV serie Proportional Relief Valves Parker HPRV serie](https://www.fstpolska.pl/image/cache/data/hprv serie-320x200.jpg)
![temperature icon](catalog/view/theme/custom/images/ico_temperature.png)
![pressure icon](catalog/view/theme/custom/images/ico_pressure.png)
- Orifie sizes: 3.6mm (0.142”)
- Lock wire feature secures a given pressure setting
- CE marked and certifid to the highest Category-IV level of the Pressure Equipment Directive (PED)
Proportional Relief Valves Parker RH4 serie
![Proportional Relief Valves Parker RH4 serie Proportional Relief Valves Parker RH4 serie](https://www.fstpolska.pl/image/cache/data/PARKER/pojistny-ventil-rada-RH4-320x200.jpg)
![temperature icon](catalog/view/theme/custom/images/ico_temperature.png)
![pressure icon](catalog/view/theme/custom/images/ico_pressure.png)
- Parker RH4 Relief Valves are designed such that when the upstream pressure exceeds the closing force exerted by the spring, the lower stem opens, permitting flow through the valve.
Proportional Relief Valves Parker RL4 serie
![Proportional Relief Valves Parker RL4 serie Proportional Relief Valves Parker RL4 serie](https://www.fstpolska.pl/image/cache/data/PARKER/pojistny-ventil-rada-RL4-320x200.jpg)
![temperature icon](catalog/view/theme/custom/images/ico_temperature.png)
![pressure icon](catalog/view/theme/custom/images/ico_pressure.png)
- Parker RL4 Relief Valves are designed such that when the upstream pressure exceeds the closing force exerted by the spring, the lower stem opens, permitting fl ow through the valve.
Relief Valves SRVL and SRVH serie
![Relief Valves SRVL and SRVH serie Relief Valves SRVL and SRVH serie](https://www.fstpolska.pl/image/cache/data/SRVL(H)_1-320x200.jpg)
![temperature icon](catalog/view/theme/custom/images/ico_temperature.png)
![pressure icon](catalog/view/theme/custom/images/ico_pressure.png)
- Angle pattern.
- Stainless steel construction.
- Pressure setting are externaly adjustable while the valv is in operation.
- Lock wire feature secures a given pressure setting
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