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UVR / UVRK Pressure Regulating Valves

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Safety Devices for Protecting Refrigeration Systems from Excess Pressure

UVR / UVRK PRESSURE REGULATING VALVES

UVR pressure regulating valves unite 3 features in one: apart from the pressure regulating function they also act as check valves and shut-off valves. They are available in straightway and angle design. They are designed for operation with natural refrigerants (NH3, CO2) and non-corrosive gases as per EN 378-1. This valve type features the possibility to vary the response pressure within a range of 2-8 bar. Additionally the valves can be closed manually and feature GEA reliable sealing system which enables the threaded bush to be replaced even when the valve is under pressure. The special design of this valve type eliminates the typical flattering. UVR pressure regulating valves are designed for a temperature range of -60 °C to +150°C and for pressure stages PS 25 and PS 40. UVRK pressure regulating valves are an upgrade of UVR pressure regulating valves as they feature an additionally integrated regulating cone. So this unites 4 functionalities in one valve: pressure regulating valve, check valve, regulating valve and shut-off valve.

Technical Features

Available in steel or stainless steel
DN25-32
Selection of body material as per German DIN EN12284, AD2000 Series W
Working media: glycol-based cold brine refrigerant EN 378 p. 1, e.g. NH3, R134a, R290 (propane), R507, blends with refrigerator oil, neutral, gas and liquid media, glycol-based cold brine
Mounting position: vertical and horizontal

	UVR / UVRK Pressure Regulating Valves
material	steel or stainless steel
nominal size	DN 20
nominal pressure level	PS 25, PS 40
temperature range	-60 °C to +150 °C
temperature range for HT Valve Series	-10 °C to +200 °C
connection	butt welding and flanged ends as per DIN and ANSI
additional information	optionally with control cone (UVRK)
set pressure range	2-8 bar

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