1.4 1/16" 15,000# 103.2 mm 104,000 kpa Frac head. 2. ... well head equipment parts 3.API/ISO/Environment Certificated 4 1/16" 15,000# 103.2 mm 104,000 kpa Frac head ... Machinery Co,.Ltd,which engaged in API 6A&16A products : 1) Wellhead and Christmas tree (casing/tubing head, casing /tubing hangers ... costs so that we can better serve our customers 4 1/16" 15,000# 103.2 mm 104,000 kpa Frac head