sanitary sampling elbow (1)Materials: 304, 316L (2)Standards: DIN, SMS ISO 3A etc. sanitary sampling elbow1)Materials: 304, 316L2)Standards: DIN, SMS, ISO, 3A etc.3)Applications: metallurgy, petroleum, chemical industry, spaceflight, aviation, electron, machinery, energy, food, and medicine4)Packing: plastic bad inside, carton outside