
Selection
Storz coupling sizes: DN and lug distance
Why two numbers describe a Storz coupling, which heads connect to each other, which DN fits which lug distance, and how to read our article numbers.
Storz couplings are symmetrical: two identical heads with lugs connect with a quarter turn, without male and female parts. Hose couplings with ribbed, barbed and smooth tails, thread adapters, reducers, blank caps, seals and tools. The size of a Storz head is set by the distance between the lugs.
Each page shows the application, features and all sizes with article numbers.

Storz head × ribbed hose tail, for suction and delivery hoses
ID 19–150 mm

Storz head × smooth hose tail with safety ring
ID 50–110 mm

Storz head × barbed hose tail, for suction and delivery hoses
ID 52–150 mm

Storz head × female thread
ID 19–100 mm

Storz head × male thread
ID 25–100 mm

Storz head with locking device
ID 52–100 mm

Swivel Storz head × female thread
ID 52–110 mm

Reducer between two Storz sizes

Blank cap with chain for Storz heads

Split lever for assembling Storz couplings

Clamp for Storz couplings

Spanner for Storz couplings

Spray branch with Storz adapter, aluminium alloy

DS seal for suction and delivery hose couplings, NBR, white
ID 25–115 mm

DS seal for suction and delivery hose couplings, silicone, transparent
ID 50–100 mm
Click a column heading to sort.
| Storz coupling with ribbed hose tail | Storz | 19–150 | Hose tail | |
|---|---|---|---|---|
| Storz coupling with safety ring and smooth tail | Storz | 50–110 | Hose tail | |
| Storz coupling with barbed hose tail | Storz | 52–150 | Hose tail | |
| Storz adapter with female thread | Storz | 19–100 | Female thread | |
| Storz adapter with male thread | Storz | 25–100 | Male thread | |
| Storz adapter with locking device | Storz | 52–100 | Coupling part | |
| Storz swivel adapter with female thread | Storz | 52–110 | Female thread | |
| Storz–Storz reducer | Storz | Coupling part | ||
| Storz blank cap with chain | Storz | Cap | ||
| Split lever for Storz assembly | Storz | Coupling part | ||
| Clamp for Storz coupling | Storz | Coupling part | ||
| Spanner for Storz systems | Storz | Cast iron, Steel | Coupling part | |
| Storz spray branch with adapter | Storz | Aluminium alloy | Coupling part | |
| Storz seal DS, NBR | Storz | 25–115 | Seal | |
| Storz seal DS, silicone | Storz | 50–100 | Seal |

Selection
Why two numbers describe a Storz coupling, which heads connect to each other, which DN fits which lug distance, and how to read our article numbers.
Send us the coupling system, size, material and quantity — we will select the couplings.