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R295SA 역류방지밸브(back flow preventer)
Mechanical disconnector electrically actuated, GB type according to EN 1717/ type 2 according to DIN1988 part 4, R295SA
제품안내 Product Characteristic
Overview
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'.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 of this type can be used to provide protection up to and including liquid category 4 (toxic, very toxic, carcinogenic and radioactive substances).The changeover from shutoff to flow positions can be by means of an hydraulic or electrical/electronic actuator.

Features
• DIN/DVGW approvals in all connection sizes.
• 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.
• Low pressure loss

Product Specifications
Application Mechanical disconnector electrically actuated GB type according to EN1717/type 2 according DIN1988 part4
Media cold water
Port connection type thread
DN size DN15-DN50
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



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