Manual TRV20

VSXF-2/-3/-4 – PRODUCT DATA
EN0B-0617GE51 R1211 6
ACCESSORIES
Valves VSxF-2 need two connection sets, valves VSxF-3 need three connection sets, and valves VSxF-4 need four connection
sets.
connection pipe size DN order number connection set description
Soldering
12 mm
15 mm
15
20
AC-15FS
AC-20FS
Consisting of 1 union nut,
1 solder bush, and 1 gasket
External
Thread
R3/8"
R1/2"
R1”
15
20
25
AC-15FT
AC-20FT
ACS-25T
Consisting of 1 union nut,
1 tailpiece, and 1 gasket
dimensions of connection sets
order number
a c d
G1/2“
G3/4“
12 mm
15 mm
AC-15FS
AC-20FS
G1/2“
G3/4“
G1-1/4”
R3/8“
R1/2“
R1”
AC-15FT
AC-20FT
ACS-25T
DIMENSIONS
bb
c
18
6.5 mm STROKE*
a
ALLOW 130 mm (DN15/20)
OR 150 mm (DN25)
FOR ACTUATOR AND
CLEARANCE FOR
REMOVAL.
M30x1.5
Fig. 4. Two-way valves, dimensions
*NOTE: In the case of modulating valves, the stroke amounts
to 6.5 mm, and the closure distance to 18 mm. In the
case of ON/OFF valves, the stroke amounts to
2.5 mm, and the closure distance to 14 mm.
Table 1. Two-way valves, dimensions (mm)
a b c
DN15
56 G ½ A 32
DN20
66 G ¾ A 34
DN25
76 G1-1/4” 48
b
c
b
d
18
a
M30x1.5
6.5 mm STROKE*
ALLOW 130 mm (DN15/20)
OR 150 mm (DN25)
FOR ACTUATOR AND
CLEARANCE FOR
REMOVAL.
Fig. 5. Three-way valves, dimensions (mm)
*NOTE: In the case of modulating valves, the stroke amounts
to 6.5 mm, and the closure distance to 18 mm. In the
case of ON/OFF valves, the stroke amounts to
2.5 mm, and the closure distance to 14 mm.
Table 2. Three-way valves, dimensions (mm)
a b c d
DN15
56 G ½ A 25.5 32
DN20
66 G ¾ A 33 34
DN25
76 G1-1/4” 38 48