Storz Couplings
A fire hose coupling is a rigid interlocking end-piece on fire hose; it is used for connecting hose to hydrants or fire engine pumps and other hose appliances (nozzles, wyes, manifolds, strainers, etc).
Details about Storz Couplings
Specification
- Material: aluminum alloy, stainless steel, and brass.
- Seal: material of the seal is NBR or fluoro rubber. Stainless steel couplings have thread seal in PTFE, aluminum alloy couplings have NBR seals.
- Storz female thread has two seals to prevent divulge.
| SIZE | D | D1 | D2 | D3 | d | L |
| 1″ | 55 | 45 | 39 | 31 | G1″ | 38 |
| 1.5″ | 78 | 68 | 62 | 51 | G1.5″ | 41 |
| 2″ | 98 | 84 | 78 | 66 | G2″ | 48.5 |
| 2-1/2″ | 118 | 103 | 95 | 81 | G2.5″ | 52 |
| 3″ | 125 | 111 | 103 | 89 | G3″ | 55 |
| Internal Thread 4″ ( small) | 156 | 139 | 131.5 | 115 | G4″ | 60.5 |
| External Thread 4 ” (small) | 156 | 139 | 131.5 | 115 | G4″ | 59 |
| 4″ | 180 | 161 | 151 | 133 | G4″ | 62 |
| 5″ | 195 | 176 | 165 | 148 | G5″ | 65 |
| 6″ | 210 | 192 | 178 | 161 | G6″ | 75 |
Features of Storz female thread
- Resistant to corrosion, rust, acid, and alkali.
- Easy to install.
- Long service life.
Application of Storz female thread
Used for connecting fire hose, PVC pipe, and other low-pressure pipes in the fire brigade, industry, refinery, building industry, agriculture, shipping, military, and civil protection.
Storz Couplings
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