API 16A BOP Spherical Packing Element Basic Info Type: Petroleum Drilling Machine Usage: Well Drilling Machinery Certification: API + ISO Size: 7 1/16", 9", 11", 13 5/8", 21 1/4" Material: NBR, Nr HS Code: 84314310 Product Description API 16A BOP Annular BOP Packing element Spherical or Tapered Features: 1)Standard: API 2)Pressure: 2000~15000psi 3)Size: 7-1/16" to 21-1/4" 4)Annuar/Tapered type Available 5)Quick delivery. 6)Can interchange with shaffer hydril SK Rongsheng's packing element
