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Braukmann Mechanical disconnector electrically actuated, GB type according to EN 1717, R295SA

Braukmann Mechanical disconnector electrically actuated, GB type according to EN 1717, R295SA

Product Description

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. 

Technical Properties

Media

Cold drinking water  

Liquid category (EN1717) class 4
Port connection internal threads
Mounting position horizontal
Nominal pressure PN10
Max. media temperature 40 oC
Body material red bronze RG5
Spring bonnet material synthetic material
Power supply 230V 50Hz
Additional Descriptions
  • Optimal protection of the drinking water supply system 
  • Enhanced protection against back pressure, back flow and back syphonage into the water supply network
  • Shut-off condition visually indicated on the spring bonnet
  • Compact construction
  • Standardised discharge connection
  • All materials are KTW approved 
  • Low pressure loss
Maximum inlet pressure 10 bar

Related Material

Produkter

Product Type DN size
Port diameter
Minimum inlet pressure
Set pressure
Flow capacity Kvs
With female threaded union connectors, opening pressure 0,5 bar

R295SA-1/2A
15 mm Rp 1/2 inch 1,5 bar 0,5 bar 4,5

R295SA-3/4A
20 mm Rp 3/4 inch 1,5 bar 0,5 bar 6

R295SA-1A
25 mm Rp 1 inch 1,5 bar 0,5 bar 8

R295SA-11/4A
32 mm Rp 1 1/4 inch 1,5 bar 0,5 bar 13

R295SA-11/2A
40 mm Rp 1 1/2 inch 1,5 bar 0,5 bar 18

R295SA-2A
50 mm Rp 2 inch 1,5 bar 0,5 bar 27
With female threaded union connectors, opening pressure 1,0 bar

R295SA-1/2B
15 mm Rp 1/2 inch 2 bar 1 bar 4,5

R295SA-3/4B
20 mm Rp 3/4 inch 2 bar 1 bar 6

R295SA-1B
25 mm Rp 1 inch 2 bar 1 bar 8

R295SA-11/4B
32 mm Rp 1 1/4 inch 2 bar 1 bar 13

R295SA-11/2B
40 mm Rp 1 1/2 inch 2 bar 1 bar 18

R295SA-2B
50 mm Rp 2 inch 2 bar 1 bar 27
With female threaded union connectors, opening pressure 1,5 bar

R295SA-1/2C
15 mm Rp 1/2 inch 2,5 bar 1,5 bar 4,5

R295SA-3/4C
20 mm Rp 3/4 inch 2,5 bar 1,5 bar 6

R295SA-1C
25 mm Rp 1 inch 2,5 bar 1,5 bar 8

R295SA-11/4C
32 mm Rp 1 1/4 inch 2,5 bar 1,5 bar 13

R295SA-11/2C
40 mm Rp 1 1/2 inch 2,5 bar 1,5 bar 18

R295SA-2C
50 mm Rp 2 inch 2,5 bar 1,5 bar 27

Accessories and replacement parts

Accessories

Image Description Product Type Downloads
Soldered union connectors (pack of 2) for diameter 15 mm ZT295A-1/2  
Soldered union connectors (pack of 2) for diameter 22 mm ZT295A-3/4  
Soldered union connectors (pack of 2) for diameter 25 mm ZT295A-1  
Soldered union connectors (pack of 2) for diameter 35 mm ZT295A-11/4  
Soldered union connectors (pack of 2) for diameter 42 mm ZT295A-11/2  
Soldered union connectors (pack of 2) for diameter 54 mm ZT295A-2  
Pressure Shock damper, bottom connection, G1/4", 85 mm 5626200  
Pressure gauge with housing diameter 63 mm, rear connection thread G 1/4, range 0 - 4 bar M07M-A4  
Pressure gauge with housing diameter 63 mm, rear connection thread G 1/4, range 0 - 10 bar M07M-A10  
Pressure gauge with housing diameter 63 mm, rear connection thread G 1/4, range 0 - 16 bar M07M-A16  
Pressure gauge with housing diameter 63 mm, rear connection thread G 1/4, range 0 - 25 bar M07M-A25  

Spare Parts

Image Description Product Type Downloads
Hexagon-plug with copper sealing-ring R1/4" (5 pcs.) S06M-1/4  
Union seal washer, 1/2" 5351200  
Union seal washer, 1 1/2" 5163000  
Union seal washer, 2" 5163100  
Valve insert complete, opening pressure 0.5 bar, for connection sizes 1/2" - 1" R295A-3/4A  
Valve insert complete, opening pressure 0.5 bar, for connection sizes 1 1/4" - 2" R295A-11/4A  
Valve insert complete, opening pressure 1.0 bar, for connection sizes 1/2" - 1" R295A-3/4B  
Valve insert complete, opening pressure 1.0 bar, for connection sizes 1 1/4" - 2" R295A-11/4B  
Valve insert complete, opening pressure 1.5 bar, for connection sizes 1/2" - 1" R295A-3/4C  
Valve insert complete, opening pressure 1.5 bar, for connection sizes 1 1/4" - 2" R295A-11/4C  
Valve insert complete, opening pressure 2.0 bar, for connection sizes 1/2" - 1" R295A-3/4D  
Valve insert complete, opening pressure 2.0 bar, for connection sizes 1 1/4" - 2" R295A-11/4D  
Union seal washer for connection size 3/4" 5351300  
Union seal washer for connection size 1" 5166300  
Union seal washer for connection size 1 1/4" 5162900  
Check valve for connection size 1/2" RV282E-3/4A  
Check valve for connection size 3/4" RV282E-1A  
Drain connection complete for connection sizes 1/2" - 1" 0901340  
Drain connection complete for connection sizes 1 1/4" - 2" 0901341  
Seal ring set for connection sizes 1/2" - 1" 0901015  
Seal ring set for connection sizes 1 1/4" - 2" 0901016  
Changeover/ Solenoid valve for sizes DN65 - DN100 0901407  
Check valve for size 2" RV276-2  
Check valve for size 1 1/4" RV276-11/4  
Check valve for size 1 1/2" RV276-11/2