... and 316 Medium: Water, oil, gas Stainless Steel threaded/screwed pipe fittings BSP/NPT/DIN2999/DIN259 couplerFor general chemical and industrial servicesApplicable ... , SS316 Standard: ANSI DIN JSDimension: 1/8", 1/4", 3/8", 1/2", 3/4", 1", 1-1/4", 1-1/2", 2", 2-1/2", 3", 4" Work ... custom's demand (drawing or sample) Stainless Steel threaded/screwed pipe fittings BSP/NPT/DIN2999/DIN259 coupler