Data sheet
Storz coupling 25-D, 19 (3/4")mm hose, 1.4581
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STKSS 31/19 ES
Example illustration
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Materials:
Seal: NBR (stainless steel: FKM)
Temperature range:
-40°C to max. +110°C (Stainless steel: -15°C to max. +200°C)
Operating pressure:
max. 16 bar
Operating range:
Industry, fire brigade, refinery, agriculture, construction industry, maritime, military and catastrophe protection
Dimensions for determining the size of Storz couplings DIN sizes
lug distance 31 mm = Storz size 25-D, lug distance 66 mm = Storz size 52-C, lug distance 89 mm = Storz size 75-B, lug distance 133 mm = Storz size 110-A
Advantages:
•simple assignment of hose end and connection,
•fast connection and disconnection through a 120°-rotation,
•All couplings with the same lug distance are compatible with one another. The rule that applies is: same lug distance, same nominal size,
•large range of applications through the use of application-specific hoses,
•Aluminium forged - no danger of breakage, such as exists with cast couplings of aluminium,
•Brass - body is made of DVGW/KTW-compliant alloy.
•fast connection and disconnection through a 120°-rotation,
•All couplings with the same lug distance are compatible with one another. The rule that applies is: same lug distance, same nominal size,
•large range of applications through the use of application-specific hoses,
•Aluminium forged - no danger of breakage, such as exists with cast couplings of aluminium,
•Brass - body is made of DVGW/KTW-compliant alloy.
Note:
The hose assembly is carried out using shell hose clamps to EN 14420-3 (DIN 2817)
Advantages:
•The hose does not become twisted when coupling as the socket contained in the lug part can rotate
Optional:
with locking -VER
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| Material | 1.4581 |
| Storz size | 25-D |
| Hose diameter (inner) [mm] | 19 (3/4") |
| Version | Standard |
| Lug distance [mm] | 31 |
| Accessories: suitable screw terminal | SSA 33 ES |
| Temperature range [°C] | -15 to +200 |
Further information:
| {{ $t('shop.all.gewicht') }} | 270 g / pcs |
| {{ $t('shop.all.gtin') }} | 4050571647513 |
| {{ $t('shop.display.artikel.zollwarennummer') }} | 73072980 |
| {{ $t('shop.display.artikel.rohskonform') }} | {{ $t('shop.all.ja') }} |
Figure
Drawing:
Zeichnung: Größenbestimmung Storz-Kupplung
More information on this item and the process for ordering it can be found in our online shop https://www.landefeld.de under item number STKSS 31/19 ES.
Landefeld Druckluft und Hydraulik GmbH · Konrad-Zuse-Straße 1 · 34123 Kassel · Germany
All data are to be understood as non-binding reference values! We do not assume liability for any data selection not confirmed in writing. Unless otherwise specified, pressure values refer to liquids from Group II at +20°C.
Our products arid goods are generally only intended for industrial and commercial uses.
Our products arid goods are generally only intended for industrial and commercial uses.
As of: 08.12.2025