... for size range 4 to 36mm. Rothenberger BrandRB-70075Edge trimmer of stainless steel pipe, suitable for size range 10 to ... and hot water supply, heating supply, fire protection, medicinal gas, industrial petroleum pipeline system etc. It has already replaced welding ... ring), -- Suit medium: cold water, hot water, compressed air, gas, oil etcSealing ring material:Option 1. CIIR(Chlorinated butyl rubber ...