User guide
22-19
Control Valves, universal
16
17
18
19
20
21
22
24
23
25
26
27
28
Alwa-KFR with external threads
Alwa-KFR with internal thread on inlet and external thread on outlet
Alwa-KFR draining valve with chain and cap
Alwa-K-KFR with external threads for plastic pipe
Alwa-F-KFR with flanges, DN15 to DN80 with blind plug, DN100 with closed valve body
DN size Port diameter Port connection type Kvs value
Type
mm inch
15 G3/4 external threads 5,1
V4120XX015
20 G1 external threads 10,6
V4120XX020
25 G1 1/4 external threads 17,1
V4120XX025
32 G1 1/2 external threads 29
V4120XX032
40 G1 3/4 external threads 35,1
V4120XX040
50 G2 3/8 external threads 64,5
V4120XX050
65 G3 external threads 88,5
V4120XX065
80 G3 1/2 external threads 129
V4120XX080
DN size Port diameter Port connection type Kvs value
Type
mm inch
15 R1/2+G3/4 internal and external threads 5,1
V4120YX015
20 R3/4+G1 internal and external threads 10,6
V4120YX020
25 R1+G1 1/4 internal and external threads 17,1
V4120YX025
32 R1 1/4+G1 1/2 internal and external threads 29
V4120YX032
40 R1 1/2+G1 3/4 internal and external threads 35,1
V4120YX040
50 R2+G2 3/8 internal and external threads 64,5
V4120YX050
DN size Port diameter Port connection type Kvs value
Type
mm inch
15 R1/2 internal threads 5,1
V4119YX015
20 R3/4 internal threads 10,6
V4119YX020
DN size Port diameter Port connection type Kvs value
Type
mm inch
15 G1 external threads 5,1
V4120KK015
20 G1 1/4 external threads 10,6
V4120KK020
25 G1 1/2 external threads 17,1
V4120KK025
32 G2 external threads 29
V4120KK032
40 G2 1/4 external threads 35,1
V4120KK040
50 G2 3/4 external threads 64,5
V4120KK050
DN size Port diameter Port connection type Kvs value
Type
mm inch
15 – flanges 5,1
V4120FF015
20 – flanges 10,6
V4120FF020
25 – flanges 17,1
V4120FF025
32 – flanges 29
V4120FF032
40 – flanges 35,1
V4120FF040
50 – flanges 64,5
V4120FF050
65 – flanges 132
V4120FF065
80 – flanges 193
V4120FF080
100 – flanges 251
V4120FF100










