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Pressure retaining valves for use as pressure reducing valves or overflow valves made from the plastics PVC-U, PP, PVDF and PTFE as well as stainless steel

In our range you'll find the following valve types:

  • Pressure-retaining valves made from PVC-U, pressure-resistant
  • Pressure-retaining valves made from PP, pressure-resistant
  • Pressure-retaining valves made from PVDF, pressure-resistant
  • Pressure-retaining valves made from PTFE, pressure-resistant
  • Pressure-retaining valves for liquids
  • Pressure-retaining valves for liquids and gases

Pressure-retaining valves ensure continuous and reliable working pressures

Pressure retaining valves are also called overflow valves. Made from plastic, an overflow valve is used to ensure constant working pressures when handling liquids and gases in chemical process engineering and laboratory technology. Pressure-retaining valves made from plastic are also available for plant construction. You'll find every valve of this type which is suitable for your requirements in the appropriate nominal sizes in our range.

Overflow valves made from plastic are available in the materials PVC-U (rigid PVC), PP (polypropylene) PVDF (polyvinylidene fluoride, Kynar®) and PTFE (polytetrafluoroethylene, THOMAFLON). Valves are available for analysis, biotechnology and chemical analysis technology, which allow a maximum flow of 0.2 to 6 bar and operation at high pressure.

Whether you need a plastic overflow valve or a stainless steel valve, all these products are stocked by RCT, so that smooth and fast order processing is guaranteed.

Use of pressure retaining valves

Reichelt Chemietechnik distinguishes between pressure retaining valves for laboratory technology for liquids and gases and, on the other hand, pressure retaining valves/overflow valves for process technology, chemical technology and chemical process engineering.The latter overflow valves are optionally equipped with welded connections, welding sockets or screw connections as standard. All of Reichelt’s pressure retaining valves made from plastic are characterised by corrosion resistance, weather resistance and high mechanical strength, so that they can even be operated at high pressure. The diaphragm valves are resistant to chemicals and high pressure. In addition, a valve of this type is temperature-resistant, depending on the material (plastic) used.

For chemical engineering and process technology

Reichelt Chemietechnik provides overflow valves for chemical engineering and process technology, which are specified in different ways. Every valve of this type is absolutely pressure-resistant.

Overflow valves made from PVC-U/rigid PVC are used wherever a constant working pressure is required, for example as pressure valves in dosing pumps to ensure high dosing accuracy.

The sealing materials EPDM or FPM/FKM/Viton® are available according to the respective medium with which the pressure retaining valve is acted upon. We would be pleased to inform you about more detailed data on an overflow valve made of this material.

The pressure retaining valves are plasticiser-free. With a valve of this type, no embrittlement of any kind due to leaching occurs. Our overflow valves are also corrosion-resistant, impact-resistant and can be used outdoors at any time without additional heating; they are weather-resistant, ozone-resistant and UV-resistant.

For laboratory technology

The same pressure-sustaining valves for liquids and gases are available for laboratory equipment, where they are optionally equipped with different sealing materials (membranes). They are used in the research field, in chemical analysis, in medical technology, biotechnology and process engineering.

Differences between PVC-U and PP, PTFE or PVDF

The series of pressure-retaining valves made from PP is identical to those of the overflow valves made of PVC-U. The only variance in the case of an overflow valve of this type is the housing material PP (polypropylene), which allows a maximum operating temperature of the system of +70°C.

The same product specification applies to the overflow valves made from PVDF/Kynar® and to the pressure-sustaining valves made from PVC-U, except that the working temperature of this overflow valve is higher at +100°C and thus allows a higher process temperature.

Pressure-sustaining valves made from PTFE/THOMAFLON round off this product series. The same parameters as for the PVC-U overflow valve also apply to this valve, except that the working temperature can be set to +100°C here due to the PTFE material.

Pressure retaining valves made from stainless steel

For particularly critical applications, in particular as a pressure-sustaining valve in metering pumps and in industrial metering devices, pressure-sustaining valves made from stainless steel are suitable, which are used specifically for reducing pressure pulsations in systems with a pump.

Buy pressure retaining valves at rct-online.de

Our large assortment of hosesfilters, cocks, taps and valves certainly has the right solution for every system ready for your requirements as well. Please discuss this with our employees in the relevant department without any obligation. You can also order directly from us. Whether it's overflow valves, pumps, taps or laboratory supplies, we deliver just in time and also in small quantities as a basic principle. Convince yourself of the good service and the high-quality pressure relief valves at Reichelt Chemietechnik by taking a look for yourself!

Pressure retaining valves for use as pressure reducing valves or overflow valves made from the plastics PVC-U, PP, PVDF and PTFE as well as stainless steel In our range you'll find the following... read more »
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Pressure retaining valves for use as pressure reducing valves or overflow valves made from the plastics PVC-U, PP, PVDF and PTFE as well as stainless steel

In our range you'll find the following valve types:

  • Pressure-retaining valves made from PVC-U, pressure-resistant
  • Pressure-retaining valves made from PP, pressure-resistant
  • Pressure-retaining valves made from PVDF, pressure-resistant
  • Pressure-retaining valves made from PTFE, pressure-resistant
  • Pressure-retaining valves for liquids
  • Pressure-retaining valves for liquids and gases

Pressure-retaining valves ensure continuous and reliable working pressures

Pressure retaining valves are also called overflow valves. Made from plastic, an overflow valve is used to ensure constant working pressures when handling liquids and gases in chemical process engineering and laboratory technology. Pressure-retaining valves made from plastic are also available for plant construction. You'll find every valve of this type which is suitable for your requirements in the appropriate nominal sizes in our range.

Overflow valves made from plastic are available in the materials PVC-U (rigid PVC), PP (polypropylene) PVDF (polyvinylidene fluoride, Kynar®) and PTFE (polytetrafluoroethylene, THOMAFLON). Valves are available for analysis, biotechnology and chemical analysis technology, which allow a maximum flow of 0.2 to 6 bar and operation at high pressure.

Whether you need a plastic overflow valve or a stainless steel valve, all these products are stocked by RCT, so that smooth and fast order processing is guaranteed.

Use of pressure retaining valves

Reichelt Chemietechnik distinguishes between pressure retaining valves for laboratory technology for liquids and gases and, on the other hand, pressure retaining valves/overflow valves for process technology, chemical technology and chemical process engineering.The latter overflow valves are optionally equipped with welded connections, welding sockets or screw connections as standard. All of Reichelt’s pressure retaining valves made from plastic are characterised by corrosion resistance, weather resistance and high mechanical strength, so that they can even be operated at high pressure. The diaphragm valves are resistant to chemicals and high pressure. In addition, a valve of this type is temperature-resistant, depending on the material (plastic) used.

For chemical engineering and process technology

Reichelt Chemietechnik provides overflow valves for chemical engineering and process technology, which are specified in different ways. Every valve of this type is absolutely pressure-resistant.

Overflow valves made from PVC-U/rigid PVC are used wherever a constant working pressure is required, for example as pressure valves in dosing pumps to ensure high dosing accuracy.

The sealing materials EPDM or FPM/FKM/Viton® are available according to the respective medium with which the pressure retaining valve is acted upon. We would be pleased to inform you about more detailed data on an overflow valve made of this material.

The pressure retaining valves are plasticiser-free. With a valve of this type, no embrittlement of any kind due to leaching occurs. Our overflow valves are also corrosion-resistant, impact-resistant and can be used outdoors at any time without additional heating; they are weather-resistant, ozone-resistant and UV-resistant.

For laboratory technology

The same pressure-sustaining valves for liquids and gases are available for laboratory equipment, where they are optionally equipped with different sealing materials (membranes). They are used in the research field, in chemical analysis, in medical technology, biotechnology and process engineering.

Differences between PVC-U and PP, PTFE or PVDF

The series of pressure-retaining valves made from PP is identical to those of the overflow valves made of PVC-U. The only variance in the case of an overflow valve of this type is the housing material PP (polypropylene), which allows a maximum operating temperature of the system of +70°C.

The same product specification applies to the overflow valves made from PVDF/Kynar® and to the pressure-sustaining valves made from PVC-U, except that the working temperature of this overflow valve is higher at +100°C and thus allows a higher process temperature.

Pressure-sustaining valves made from PTFE/THOMAFLON round off this product series. The same parameters as for the PVC-U overflow valve also apply to this valve, except that the working temperature can be set to +100°C here due to the PTFE material.

Pressure retaining valves made from stainless steel

For particularly critical applications, in particular as a pressure-sustaining valve in metering pumps and in industrial metering devices, pressure-sustaining valves made from stainless steel are suitable, which are used specifically for reducing pressure pulsations in systems with a pump.

Buy pressure retaining valves at rct-online.de

Our large assortment of hosesfilters, cocks, taps and valves certainly has the right solution for every system ready for your requirements as well. Please discuss this with our employees in the relevant department without any obligation. You can also order directly from us. Whether it's overflow valves, pumps, taps or laboratory supplies, we deliver just in time and also in small quantities as a basic principle. Convince yourself of the good service and the high-quality pressure relief valves at Reichelt Chemietechnik by taking a look for yourself!