The HSN rubber O-ring provides adequate sealing for bearing durability.637Hard Formation TCI Tricone Bits: The 637 bits can be used to drill hard and abrasive formation. Wear-resistant tungsten carbide inserts are used in the outer rows to prevent loss of bit gauge. Maximum numbers...
Work-over Cementing Acidizing Features 1. Valve body with full integrated forged technology and precisiion machining to get exact dimensional tolerance control 2. Heats treat carburizing with a deep wear case 3. Surface hardness HRC59~HRC61, much increased resistance to abrasio...
We have rubber seal molding production workshops, PTFE seal production workshops, CNC turning production workshops, and mold processing workshop. Mainly focus on manufacturing oil and gas energy seals, hydraulic seals ---especially fabric reinforced Rotary shaft seals,Vee packing sets ;Sp...
Work-over Cementing Acidizing Features 1. Valve body with full integrated forged technology and precisiion machining to get exact dimensional tolerance control 2. Heats treat carburizing with a deep wear case 3. Surface hardness HRC59~HRC61, much i...