The phone:


ROCK provides two kinds of Conventional Mandrels for customer. The Conventional Mandrels are designed to accept the 1”or 1.5”tubing-retrievable gas lift valve and tubing flow check valve. The Mandrels are manufactured with side guards to protect the valve when running or pulling the tubing string. These mandrels are available in various tubing grades such as J-55,N-80, L-80, P-110 & other grades of material as per customer requirement.


  • Simple Easy to use

  • Standard NPT thread to connection,excellent sealing property

  • With side guards to protect the valve


Contact information: Ben.zhong
Email:  Address: 199 Huqiao Road, Xindu District, Chengdu, China
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