welding neck flange, we suppy welding neck flange, specifications: Size: 1/ 2" --8" Material: ASTM A-105 Thickness: SCH Std Weight: 300# Sealing: RF or as per your request. High....
We are a professional manufacturer of API 7-1 Stabilizer Forgings and APi 11B Sucker Rods and API standard Wellhead Equipments. Products are made strictly as per API standard with test certificate.....
float valve float valve is usually installed in float subs ( long subs bored out for a specific float.) and prevent fluids from backing up in your drill string while adding/ removing rods. we have....
circulating sub, Technical specifications and parameters Thread type I.D. Length Drill pipe box connection Casing thread 5 BTC NC38 5 LTC 57 500 5 ST & C 5 1/ 2 BTC NC38 5 1/ 2 LTC 57....