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R295 역류방지밸브(back flow preventer)
Mechanical disconnector with union connectors direct actuated, GA type according to EN1717 / type 1 according to DIN1988 part 4, R295
제품안내 Product Characteristic
Mechanical disconnectors of this type are suitable for the protection of drinking water systems as required by EN 1717 "The technical regulation of drinking water systems" and correspond to DIN1988 part 4 type 1 construction.Their purpose is to protect systems against back pressure, back flow and back syphonage of non-potable water into the public water supply network.Mechanical disconnectors can be used to provide protection up to and including liquid category 3 (slightly toxic substances).Mechanical disconnectors therefore offer better protection than check valves.

Features
• DIN/DVGW and SVGW approvals in all connection sizes.
• Low pressure loss and high flow rate.
• Optimal protection of the drinking water supply system.
• Enhanced protection against back pressure, back flow and back syphonage into the water supply network.
• Shutoff position visually indicated on the spring bonnet.
• Compact construction.
• Standardised discharge connection.
• Meets KTW recommendations for potable water

Product Specifications
Application Mechanical disconnector with union connectors direct actuated GA type according to EN1717/type 1 according to DIN1988 part 4
Media cold water
Port connection type thread
DN size DN15-DN25
Max. media temperature 40°C
Static pressure 16bar
Body material Red bronze
Spring bonnet material high quality synthetic material
Pressure setpoint range 0.5,1.0,1.5or2.0bar as required
Mounting position horizontal with spring bonnet upwards
Approvals DIN/DVGW,SVGW



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