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The Finnish couplings come in three different nominal sizes. In hose couplings with a 2 inch claw distance, the hose nipple is fixed. On the other hand, when the claw distance is 3 or 4-inches, the hose couplings, hose nipples and claw section parts are separate, whereupon the hose nipple is rotatable. Hose couplings with claw distances of 3 or 4 inches are equipped with a handle for ease of use.
We have paid special attention to the crystal structure of our couplings. Thanks to our own casting methods / moulding techniques, the crystal structure of our products can be tailored to make our products really tough and durable and, therefore, also very safe to use. In a test by the VTT Technical Research Centre of Finland, our couplings remained undamaged and still leak-proof at a pressure of 75 bar.
Our couplings have been tested by VTT Expert Services Oy, in accordance with chapter F7 of standard SFS-EN 671-1 (VTT - S - 05218-15).
All JM-Valu couplings are immediately available as stock items.
Claw distance | Hose neck size |
50 (68 mm) | 13 |
50 | 19 |
50 | 25 |
50 | 32 |
50 | 38 |
50 | 50 |
80 (105,5 mm) | 63 |
80 | 76 |