The phone:

Top Sub


Top sub is using for connecting the fire head and perforating gun.

B2- Series top sub is made of 4140 alloy structural steel with good mechanical properties.

Technical Information


* On Requst

**All weights are theoretical

Selection Chart


Product condition must be monitored, inspected and maintained regularly to ensure proper service in accordance with Faithwell guideline. Failure to do so may result in personal injury and/ or property damage. For questions please contact your Faithwell representative.

Contact information: Ben.zhong
Email:  Address: 488#,Wanxing Road, East Industrial Park, Xindu District,Chengdu,China
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