User guide

13-41
Lockshield Valves
2
3
4
5
6
7
8
10
9
11
12
13
14
Pre-settable radiator lockshield valve for the return with shut-off facility. Optional flow direction.
Supports draining and filling. O-ring spindle seals.
For water-based heating systems.
Verafix-E with nickel-plated tailpiece
Verafix-E with external threads
Accessories
Spare parts
Verafix-E (V2420) radiator lockshield valve
Materials Valve housing made of nickel-plated red bronze. Valve insert
made of brass with EPDM seals. Tailpiece, protection cap and
union-nut made of nickel-plated brass
Shut-off facility yes
Pre-setting yes
Draining/filling support yes
Measuring support no
Place in installation return
Medium type water or water-glycol mixture according to VDI 2035
Media temp. 2 ... 130
o
C
Static pressure PN10
Additional description • Installation in supply also possible, draining/filling function isn't
supported!
• Suitable connections see 'Connections for Radiator Valves'.
Body pattern DN size Kvs value Connection diameter Port connection type Type
mm inch
angle to DIN 10 1,7 3/8 internal threads V2420E0010
angle to DIN 15 1,7 1/2 internal threads V2420E0015
angle to DIN 20 1,7 3/4 internal threads V2420E0020
straight to DIN 10 1,4 3/8 internal threads V2420D0010
straight to DIN 15 1,45 1/2 internal threads V2420D0015
straight to DIN 20 1,5 3/4 internal threads V2420D0020
Body pattern DN size Kvs value Connection diameter Port connection type Type
mm inch
straight 15 1,45 3/4 external threads V2426D0015
Draining adapter for all sizes
VA3300A001
Special Verafix tool
VA8300A001
Nickel-plated cover cap 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