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Controllable anti-pollution check valve EA type, add-on for pressure reducing valves and filters, RV277

Controllable anti-pollution check valve EA type, add-on for pressure reducing valves and filters, RV277

Check valves of this type are particularly suitable for integral use with pressure reducing valves, filters and filter combinations of all types.

Product Description

Check valves of this type are particularly suitable for integral use with pressure reducing valves, filters and filter combinations of all types. Check valves are safety devices for independent prevention of water backflow, for example from drinking water appliances back into the central water supply system. They can also be used for industrial, commercial and similar systems where back pressure, back flow and back syphonage must be prevented.The classicfications of appliances to meet these requirements are specified in EN 1717.

Technical Properties

Approvals

DVGW

Media

Drinking Water

Liquid category (EN1717) class 2
Port connection external threads
Max. media temperature 65/ 90 (short term) oC
Body material brass
Additional Descriptions
  • Universal application
  • Easy installation
  • Quiet operation
  • Creates no shock pressure loadings
  • Suitable for installation in any position
  • Low pressure loss
  • All materials are UBA conform
Maximum operating pressure 0.01 bar
Maximum inlet pressure 25 bar

Certifications and Awards

Products

Product Type DN size
Port diameter
Flow capacity Kvs
Standard version with male threaded union 1/2" - 2" and female threaded union 1" - 2 1/2".

RV277-1/2A
15 mm 1/2 inch 6

RV277-3/4A
20 mm 3/4 inch 10

RV277-1A
25 mm 1 inch 15

RV277-11/4A
32 mm 1 1/4 inch 28

RV277-11/2A
40 mm 1 1/2 inch 41

RV277-2A
50 mm 2 inch 70

Accessories and replacement parts

Spare parts

Image Description Product Type Downloads
Union seal washer (10 pcs.) for size 3/4" 0901444  
Union seal washer (10 pcs.) for size 1" 0901445  
Union seal washer (10 pcs.) for size 1 1/4" 0901446  
Union seal washer(10 pieces), 1 1/2" 0901447  
Union seal washer(10 pieces), 2" 0901448  
Check valve insert for safety valves 1/2" 2166200  
Check valve cartridge 1" 2164400  
Check valve cartridge 1 1/4" 2164500  
Check valve cartridge 1 1/2" 2164600  
Check valve cartridge 2" 2164700  
Blanking Plug set with 0-ring (5 pieces) for sizes 1/2" - 2" S06K-1/4  
Check valve insert for safety valves 3/4" 2110200