Alwa-Valve (V4020)
 |
| The Alwa-valve is used as shut-off valve in potable water
installations. The downstream installation is isolated by
shutting off the valve with the handwheel. The valve insert is available as spare part and fits into all valve housings with dimensions according to DVGW. Alwa-valves are available with various pipe connections. Alwa-K valves are equipped with larger external threads specially suitable for pipe connections of various plastic
pipes. Valves with draining facility allow draining of the system over the valve. |
| For potable water systems. |
|
| Approvals |
Alwa-valves are DVGW-certified under registration-no.
NW-6130AS2115 and low noise according to DIN 4109. |
| Materials |
All parts with contact to the flow made of corrosion resistant red bronze |
| Body pattern |
Y-pattern |
| Integrated non-return device |
no |
| Max. media temperature |
130 oC |
| Static pressure |
PN16 |
| Additional description |
Suitable connections see 'Connections for Alwa-Valves'. |
| DN size | Port diameter | Connection size | Port connection type | Kvs value | Type |
|---|
| mm | inch | mm | | | |
|---|
| 15 | R1/2 | — | internal threads | 6,3 | V4020YY015  | | 20 | R3/4 | — | internal threads | 14,4 | V4020YY020 | | 25 | R1 | — | internal threads | 23 | V4020YY025 | | 32 | R1 1/4 | — | internal threads | 43,4 | V4020YY032 | | 40 | R1 1/2 | — | internal threads | 54,4 | V4020YY040 | | 50 | R2 | — | internal threads | 81 | V4020YY050 |
| DN size | Port diameter | Connection size | Port connection type | Kvs value | Type |
|---|
| mm | inch | mm | | | |
|---|
| 20 | R3/4 | — | internal threads | 14,4 | V4000Y0020 | | 25 | R1 | — | internal threads | 23 | V4000Y0025 | | 32 | R1 1/4 | — | internal threads | 43,4 | V4000Y0032 |
| DN size | Port diameter | Connection size | Port connection type | Kvs value | Type |
|---|
| mm | inch | mm | | | |
|---|
| 15 | G3/4 | — | external threads | 6,3 | V4020XX015 | | 20 | G1 | — | external threads | 13,4 | V4020XX020 | | 25 | G1 1/4 | — | external threads | 21,6 | V4020XX025 | | 32 | G1 1/2 | — | external threads | 37 | V4020XX032 | | 40 | G1 3/4 | — | external threads | 51,6 | V4020XX040 | | 50 | G2 3/8 | — | external threads | 81 | V4020XX050 | | 65 | G3 | — | external threads | 132 | V4020XX065 | | 80 | G3 1/2 | — | external threads | 193 | V4020XX080 |
| DN size | Port diameter | Connection size | Port connection type | Kvs value | Type |
|---|
| mm | inch | mm | | | |
|---|
| 15 | R1/2+G3/4 | — | internal and external threads | 6,3 | V4020YX015 | | 20 | R3/4+G1 | — | internal and external threads | 14,4 | V4020YX020 | | 25 | R1+G1 1/4 | — | internal and external threads | 23 | V4020YX025 | | 32 | R1 1/4+G1 1/2 | — | internal and external threads | 40 | V4020YX032 | | 40 | R1 1/2+G1 3/4 | — | internal and external threads | 51,9 | V4020YX040 | | 50 | R2+G2 3/8 | — | internal and external threads | 85,4 | V4020YX050 |
| DN size | Port diameter | Connection size | Port connection type | Kvs value | Type |
|---|
| mm | inch | mm | | | |
|---|
| 15 | G3/4 | 15 | — | 6,3 | V4020SS015 | | 20 | G1 | 18 | — | 13,4 | V4020SS018 | | 20 | G1 | 22 | — | 13,4 | V4020SS020 | | 25 | G1 1/4 | 28 | — | 21,6 | V4020SS025 | | 32 | G1 1/2 | 35 | — | 37 | V4020SS032 | | 40 | G1 3/4 | 42 | — | 51,6 | V4020SS040 | | 50 | G2 3/8 | 54 | — | 81 | V4020SS050 |
| DN size | Port diameter | Connection size | Port connection type | Kvs value | Type |
|---|
| mm | inch | mm | | | |
|---|
| 15 | R1/2 | — | internal and external threads | 6,3 | V4019YX015 | | 20 | R3/4 | — | internal and external threads | 14,4 | V4019YX020 |
| DN size | Port diameter | Connection size | Port connection type | Kvs value | Type |
|---|
| mm | inch | mm | | | |
|---|
| 15 | G1 | — | external threads | 6,3 | V4020KK015 | | 20 | G1 1/4 | — | external threads | 13,4 | V4020KK020 | | 25 | G1 1/2 | — | external threads | 21,6 | V4020KK025 | | 32 | G2 | — | external threads | 37 | V4020KK032 | | 40 | G2 1/4 | — | external threads | 51,6 | V4020KK040 | | 50 | G2 3/4 | — | external threads | 81 | V4020KK050 |
| DN size | Port diameter | Connection size | Port connection type | Kvs value | Type |
|---|
| mm | inch | mm | | | |
|---|
| 15 | — | — | flanges | 6,3 | V4020FF015 | | 20 | — | — | flanges | 14,4 | V4020FF020 | | 25 | — | — | flanges | 23 | V4020FF025 | | 32 | — | — | flanges | 40 | V4020FF032 | | 40 | — | — | flanges | 51,5 | V4020FF040 | | 50 | — | — | flanges | 85,4 | V4020FF050 | | 65 | — | — | flanges | 132 | V4020FF065 | | 80 | — | — | flanges | 193 | V4020FF080 | | 100 | — | — | flanges | 251 | V4020FF100 | | 125 | — | — | flanges | 320 | V4020FF125 | | 150 | — | — | flanges | 460 | V4020FF150 |
| Description | Additional Product Type |
|---|
| Valve insert for all valve housings to DVGW, for DN15 | VS1400A015 | | Valve insert for all valve housings to DVGW, for DN20 | VS1400A020 | | Valve insert for all valve housings to DVGW, for DN25 | VS1400A025 | | Valve insert for all valve housings to DVGW, for DN32 | VS1400A032 | | Valve insert for all valve housings to DVGW, for DN40 | VS1400A040 | | Valve insert for all valve housings to DVGW, for DN50 | VS1400A050 | | Valve insert for all valve housings to DVGW, for DN65 | VS1400A065 | | Valve insert for all valve housings to DVGW, for DN80 | VS1400A080 | | Handwheel, green, for DN15 to DN20 | VS2400A050 | | Handwheel, green, for DN25 to DN50 | VS2400A080 |
| Description | Additional Product Type |
|---|
| Draining valve, for DN15, DN20 and DN25 | VA3401A008 | | Draining valve, for DN32, DN40, DN50, DN65 and DN80 | VA3401A010 | | Insulation shells, for valves DN10 and DN15 | VA2510C015 | | Insulation shells, for valves DN20 | VA2510C020 | | Insulation shells, for valves DN25 | VA2510C025 | | Insulation shells, for valves DN32 | VA2510C032 | | Insulation shells, for valves DN40 | VA2510C040 | | Insulation shells, for valves DN50 | VA2510C050 |
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