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Verafix-E (V2420) radiator lockshield valve

Verafix-E (V2420) radiator lockshield valve

The Verafix-E is a presettable radiator lockshield valve for the return connection of radiators...

Product Description

The Verafix-E is a presettable radiator lockshield valve for the return connection of radiators or heat exchangers. It is used:

  • in typical two-pipe heating systems
  • in special applications in one-pipe heating systems

for shut-off and regulation of individual radiators. Together with a draining adapter (see Accessories) radiators can be drained or filled with the system in operation. The presetting isnt affected by this. Installation in supply also possible, draining/filling function isnt supported. The lockshield valve is suitable for hot water and low pressure steam heating systems and cold water cooling systems.

Technical Properties

Medium type water or water-glycol mixture according to VDI 2035
Nominal pressure PN10
Pre-setting Yes
Media temp. -10 ... 130 oC
Materials
  • Valve housing made of nickel-plated brass
  • Valve insert made of brass with EPDM seals
  • Tailpiece, protection cap and union-nut made of nickelplated brass
Features
  • Presetting, shut-off and draining/filling with one valve
  • Presettable by stroke limitation
  • Optional flow direction. Performance values apply for both directions
  • Piston externally O-ring sealed
  • Body dimensions to DIN3842
  • Connection to all types of pipe DN10 - DN20
Place in installation return
Measuring support No
Draining/filling support Yes
Shut-off facility Yes
Additional Descriptions

It is used for shut-off and regulation of individual Radiators in

  • typical two-pipe heating systems
  • special applications in one-pipe heating systems

Related Material

Products

Product Type DN size
Port connection
Connection diameter
Kvs value
Body pattern
Verafix-E with nickel-plated tailpiece

V2420E0010
10 mm internal threads 3/8 inch 1.7 angle to DIN

V2420E0015
15 mm internal threads 1/2 inch 1.7 angle to DIN

V2420E0020
20 mm internal threads 3/4 inch 1.8 angle to DIN

V2420D0010
10 mm internal threads 3/8 inch 1.25 straight to DIN

V2420D0015
15 mm internal threads 1/2 inch 1.25 straight to DIN

V2420D0020
20 mm internal threads 3/4 inch 1.8 straight to DIN
Verafix-E with external threads

V2426D0015
15 mm external threads 3/4 inch 1.45 straight

Accessories and replacement parts

Accessories

Image Description Product Type Downloads
Draining adapter for all sizes VA3300A001  
Special Verafix tool VA8300A001  

Spare parts

Image Description Product Type Downloads
Cover cap Verafix-E, for all sizes VS3301C001  
Sealing ring for cover cap, for all sizes VS3302A001  
Exchange valve insert, Verafix type VS1300VF02  
Pressure cap, for valves DN10 VA2202A010  
Pressure cap for shutting off valves on radiator outlet for valves DN15 (1/2") VA2202A015  
Pressure cap for shutting off valves on radiator outlet for valves DN20 (3/4") VA2202A020  
Sealing ring for pressure cap, for valves DN10 VA5090A010  
Sealing ring for pressure cap for valves DN15 (1/2") VA5090A015  
Sealing ring for pressure cap for valves DN20 (3/4") VA5090A020