Hydraulic Pressure Relief Valves - CETOP Mounting

Pressure relief valves are used in pneumatic and hydraulic systems to safely limit or control the pressure within the system, preventing it from reaching or exceeding a predetermined set pressure level. By controlling the pressure in this way, many safety hazards can be avoided, such as equipment or instrumental failure, an upset in the process, or even fires. At RS Components, we have curated our range to include products from industry-leading brands, such as Bosch Rexroth, Hydraforce and Parker, with CETOP and line mounting options available.

How does a pressure relief valve work?

A relief valve is designed (or can be set by the operator) to open when a predetermined level of pressure is reached within the system to prevent equipment from being subjected to levels of pressure that exceed their design limits. A ball, spool or poppet inside the valve is positioned against a spring, and when enough pressure is present, these components will be pushed into position to open the valve. When the valve is opened, the pressurized fluid (liquid or gas) can flow through an auxiliary passage to a reservoir or the appropriate disposal methods, relieving pressure within the main system. Once the pressure is adequately reduced back below the predetermined level, the valve will close again to maintain pressure and flow rate.

Where are pressure relief valves used?

Pressure relief valves are used within hydraulics and pneumatics systems, such as those found in petrochemical and chemical manufacturing, petroleum refinery, natural gas processing and fluid power generation industries.

What is CETOP Mounting?

CETOP stands for Comité Européen des Transmissions Oléohydrauliques et Pneumatiques, the European Fluid Power Committee. CETOP is the communications platform for fluid power in Europe. CETOP mounting valves have a standard mounting pattern for modular construction. It ensures that any valves from any manufacturer, providing the CETOP pattern is the same is compatible with each other.


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Description Price Manufacturer Series CETOP Mounting Pressure Relief Setting Maximum Flow Rate Maximum Operating Pressure Maximum Operating Temperature Minimum Operating Temperature
RS Stock No. 728-916
Mfr. Part No.R900409898
SGD548.27
Each
units
4X - 315bar 60L/min 315 bar +80°C -20°C
RS Stock No. 134-7006
Mfr. Part No.ZDV-B01-5-S0-D4
BrandParker
SGD632.35
Each
units
ZDV CETOP 3 0 350bar - 350 bar +60°C -20°C
RS Stock No. 134-7012
Mfr. Part No.ZDV-A02-1-S0-D1
BrandParker
SGD836.11
Each
units
ZDV CETOP 5 0 70bar - 315 bar +60°C -20°C
RS Stock No. 134-7011
Mfr. Part No.ZDV-P02-5-S0-D1
BrandParker
SGD549.24
Each
units
ZDV CETOP 5 0 → 350bar - 315 bar +60°C -20°C
RS Stock No. 134-7004
Mfr. Part No.ZDV-A01-5-S0-D2
BrandParker
SGD632.35
Each
units
ZDV CETOP 3 0 350bar - 350 bar +60°C -20°C
RS Stock No. 134-7016
Mfr. Part No.ZDV-B02-5-S0-D4
BrandParker
SGD836.11
Each
units
ZDV CETOP 5 0 350bar - 315 bar +60°C -20°C
RS Stock No. 134-7005
Mfr. Part No.ZDV-B01-5-S0-D3
BrandParker
SGD632.35
Each
units
ZDV CETOP 3 0 350bar - 350 bar +60°C -20°C
RS Stock No. 134-7014
Mfr. Part No.ZDV-A02-5-S0-D2
BrandParker
SGD836.11
Each
units
ZDV CETOP 5 0 350bar - 315 bar +60°C -20°C
RS Stock No. 134-7002
Mfr. Part No.ZDV-P01-5-S0-D1
BrandParker
SGD298.49
Each
units
ZDV CETOP 3 0 350bar - 350 bar +60°C -20°C
RS Stock No. 134-7003
Mfr. Part No.ZDV-A01-1-S0-D1
BrandParker
SGD387.41
Each
units
ZDV CETOP 3 0 70bar - 350 bar +60°C -20°C
RS Stock No. 134-7010
Mfr. Part No.ZDV-P02-1-S0-D1
BrandParker
SGD836.11
Each
units
ZDV CETOP 5 0 70bar - 315 bar +60°C -20°C
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