The crane with the polypropylene case, direct. Designed for manual adjustment of the amount of coolant entering the heater. The crane allows you to completely block the flow. The crane is connected to the heating device with the help of embedded part and half-rail made of nickel-plated brass. Installation of polypropylene pipe is produced by socket welding.
| Size | Article | D | d | L | H | B | R | pcs/boxes |
| 20×1/2 | K0159.PRO | 30 | 19,2 | 16 | 88 | 51,6 | 1 /2’’ | 108 |
| 25×3/4 | K0160.PRO | 35,4 | 24,1 | 17,5 | 94 | 58,3 | 3/4’’ | 90 |
| Material of the terminations of the combined fittings: Brass CW617N nickel-plated | ||||||||
| Material of ball gate: brass chrome-plated CW617N | ||||||||