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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 or heat exchangers.....

Product Description

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

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. 2 ... 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
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
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
  • Easy identification: cover cap with octagon and circular collar on top; also see illustration identication

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
Compressions fitting for copper and precision steel pipes, One-piece fitting with steel reinforced elastic ring, 3/4",10 mm FEG3/4CS10  
Compressions fitting for copper and precision steel pipes, One-piece fitting with steel reinforced elastic ring, 3/4",12 mm FEG3/4CS12  
Compressions fitting for copper and precision steel pipes, One-piece fitting with steel reinforced elastic ring, 3/4",14 mm FEG3/4CS14  
Compression fitting for COPPER and STEEL pipe. Consisting of one-piece (preassembled) nut. Soft sealing connection. For valves with external thread G3/4", 10 pcs. 14 mm FEG3/4CS14-10  
Compressions fitting for copper and precision steel pipes, One-piece fitting with steel reinforced elastic ring, 3/4",15 mm FEG3/4CS15  
Compression fitting for COPPER and STEEL pipe. Consisting of one-piece (preassembled) nut. Soft sealing connection. For valves with external thread G3/4", 10 pcs. 15 mm FEG3/4CS15-10  
Compressions fitting for copper and precision steel pipes, One-piece fitting with steel reinforced elastic ring, 3/4",16 mm FEG3/4CS16  
Compressions fitting for copper and precision steel pipes, One-piece fitting with steel reinforced elastic ring, 3/4",18 mm FEG3/4CS18  
Compression fitting for PEX and MULTILAYER pipe, consisting of a nut with pre-assembled anti-torsion compression ring and a reinforcing insert, 3/4",14 x 2 mm FEG3/4PM14X2  
Compression fitting for PEX and MULTILAYER pipe, consisting of a nut with pre-assembled anti-torsion compression ring and a reinforcing insert, 3/4",16 x 2 mm FEG3/4PM16X2  
Compression fitting for PEX and MULTILAYER pipe. Consisting of one-piece nut with preassembled antitorsion elastic compression ring and one-piece reinforcing insert. For valves with external thread G3/4", 10 pcs. 16 x 2 mm FEG3/4PM16X2-10  
Compression fitting for PEX and MULTILAYER pipe, consisting of a nut with pre-assembled anti-torsion compression ring and a reinforcing insert, 3/4",16 x 2.2 mm FEG3/4PM16X2.2  
Compression fitting for PEX and MULTILAYER pipe, consisting of a nut with pre-assembled anti-torsion compression ring and a reinforcing insert, 3/4",17 x 2 mm FEG3/4PM17X2  
Compression fitting for PEX and MULTILAYER pipe. Consisting of one-piece nut with preassembled antitorsion elastic compression ring and one-piece reinforcing insert. For valves with external thread G3/4", 10 pcs. 17 x 2 mm FEG3/4PM17X2-10  
Compression fitting for PEX and MULTILAYER pipe, consisting of a nut with pre-assembled anti-torsion compression ring and a reinforcing insert, 3/4",18 x 2 mm FEG3/4PM18X2  
Compression fitting for PEX and MULTILAYER pipe. Consisting of one-piece nut with preassembled antitorsion elastic compression ring and one-piece reinforcing insert. For valves with external thread G3/4", 10 pcs. 18 x 2 mm FEG3/4PM18X2-10  
Compression fitting for PEX and MULTILAYER pipe, consisting of a nut with pre-assembled anti-torsion compression ring and a reinforcing insert, 3/4",20 x 2 mm FEG3/4PM20X2  
Compression fitting for PEX/PER pipe, consisting of 2 union nuts, 2 compression rings and 2 support inserts, 3/4",12 x 1.1 mm FEG3/4P12X1.1  
Compression fitting for PEX/PER pipe, consisting of 2 union nuts, 2 compression rings and 2 support inserts, 3/4",16 x 1.5 mm FEG3/4P16X1.5  
3/8", DN10, 10 mm FIG3/8CS10  
3/4", DN18, 18 mm FIG3/4CS18  
3/8", DN10, 12 mm FIG3/8CSS12  
3/4", DN20, 18 mm FIG3/4CSS18  
3/8", DN10, 12 mm FIG3/8CS12  
1/2", DN15, 10 mm FIG1/2CS10  
1/2", DN15, 12 mm FIG1/2CS12  
1/2", DN15, 14 mm FIG1/2CS14  
1/2", DN15, 15 mm FIG1/2CS15  
1/2", DN15, 16 mm FIG1/2CS16  
3/4", DN22, 22 mm FIG3/4CS22  
1/2", DN15, 15 mm FIG1/2CS15-10  
1/2", DN15, 12 mm FIG1/2CSS12  
1/2", DN15, 14 mm FIG1/2CSS14  
1/2", DN15, 15 mm FIG1/2CSS15  
1/2", DN15, 16 mm FIG1/2CSS16  
1/2", DN15, 18 mm FIG1/2CSS18  
1/2", DN15, 16 mm FIG1/2M16X2  
Radiator tailpiece with thread up to collar for valves DN10 (3/8") VA5201A010  
for valves DN15 (1/2") VA5201A015  
Soldering tailpiece for DN10, 3/8" x 12 mm (Outphased) VA5230A010  
for DN20, 3/4" x 22 mm VA5230A020  
3/8" x 70 mm (for DN10) thread approx. 50 mm VA5204B010  
1/2" x 76 mm (for DN15) thread approx. 65 mm VA5204B015  
3/4" x 70 mm (for DN20) thread approx. 60 mm VA5204B020  
for DN15, 1/2" x 15 mm VA5230A015  
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 VS3302A001  
Valve insert VS1300VF02  
Pressure cap, for valves DN10 VA2202A010  
Pressure cap, for valves DN15 VA2202A015  
Pressure cap, for valves DN20 VA2202A020  
Sealing ring for pressure cap, for valves DN10 VA5090A010  
Sealing ring for pressure cap, for valves DN15 VA5090A015  
Sealing ring for pressure cap, for valves DN20 VA5090A020