stainless steel /carbon steel king nipple stainless steel hose nipple 4 inch stainless steel nipple king nipple stainless steel /carbon steel king nipple stainless steel hose nipple 4 inch stainless steel nipple king nipple Product Description Flexible rubber coupling Competitive Advantages of the product 1: Precision investment coupling
2: CNC precisely machined
3: Easy to connect and disconnect
4: Used in petrochemical & chemical industries, Fertilizers, steel plants, atomic energy, power plants ect.