| 摘要 |
controllers, applicable in heating systems. SUBSTANCE: control head-piece for the heating radiator valve has a body, adapter branch pipe with an internal engagement means and male thread, coupling nut installed for turning on the male thread, and a ring for closing the gap between the body and the coupling nut. The gap can be closed without producing any interferences at assembly, the ring is installed on the body for turning and is engaged with the coupling nut. EFFECT: enhanced convenience in use. 12 cl, 5 dwg
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