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Mechanical disconnector hydraulic actuated, GB type according to EN1717, R295H

Mechanical disconnector hydraulic actuated, GB type according to EN1717, R295H

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). 

Technical Properties

Media

Cold drinking water 

Liquid category (EN1717) class 4
Port connection internal threads
Mounting position horizontal
Minimum inlet pressure 1.5 bar
Nominal pressure PN10
Max. media temperature 40 oC
Body material red bronze RG5
Spring bonnet material synthetic material
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 position visually indicated on the spring bonnet 
  • Compact construction
  • Standardised discharge connection 
  • All materials are KTW approved
  • Low pressure loss
Maximum inlet pressure 10 bar
Minimum flow (qi) 60 m3/h

Related Material

Products

Product Type DN size
Port diameter
Flow capacity Kvs
With female threaded union connectors, differential pressure 0,5 bar, self-adjusting

R295H-1/2A
15 mm Rp 1/2 inch 2.5

R295H-3/4A
20 mm Rp 3/4 inch 3.5

R295H-1A
25 mm Rp 1 inch 4

R295H-11/4A
32 mm Rp 1 1/4 inch 10

R295H-11/2A
40 mm Rp 1 1/2 inch 14

R295H-2A
50 mm Rp 2 inch 16

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(10 pieces), 1" 0901445  
Union seal washer(10 pieces), 1 1/4" 0901446  
Union seal washer(10 pieces), 1 1/2" 0901447  
Union seal washer, 1/2" 5351200  
Union seal washer, 1 1/2" 5163000  
Union seal washer, 2" 5163100  
Union seal washer for connection size 3/4" 5351300  
Drain connection complete for connection sizes 1/2" - 1" 0901340  
Drain connection complete for connection sizes 1 1/4" - 2" 0901341  
Valve insert complete for connection sizes 1/2" - 1" R295HA-1A  
Valve insert complete for connection sizes 1 1/4" - 2" R295HA-2A  
Seal ring set for connection sizes 1/2" - 1" 0901015  
Seal ring set for connection sizes 1 1/4" - 2" 0901016  
Pilot valve for connection sizes 1/2" - 2" 2184100  
Pressure control unit for connection size 1/2" R295HR-1/2A  
Pressure control unit for connection size 3/4" R295HR-3/4A  
Pressure control unit for connection size 1 1/4" R295HR-11/4A  
Pressure control unit for connection size 1 1/2" R295HR-11/2A  
Pressure control unit for connection size 2" R295HR-2A