API 16C Chiksan Pup Joint 2in. 4 feet  

Material:AISI4130 Diameter:2"~3" Parts of high-pressure manifold products (include chiksan swivel joints,chiksan pup joints,integral fittings,hammer unions,hammer union crossovers) that need surface anti-corrosion treatment are sent to the shot peening and paint spraying room for anti-corrosion treatment. The shot peening reaches Sa2.5 level, and the thickness of primer and topcoat reaches 160um. Professional quality inspectors use roughness tester and LAT-B coating thickness gauge to test strictly, and use dew point tester and thermometer to control the spraying environment, and finally ensure the surface anti-corrosion quality.