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Cap King Overview

Many capillary tubing service companies install permanent Oil Savers for well injection. In response, Double E developed the Cap King, a line of permanent Oil Savers. Double E offers two models of its popular permanent Oil Savers, the Cap King and the Dual Cap King.

The Cap King is rated for 5,000 psi working pressure. The Dual Cap King is rated for 10,000 psi. Both the Cap King and Dual Cap King reliably contain well pressure while preventing leaks. If we don’t have a Cap King model for your application, we can develop one for you. We can also modify an existing Cap King model to meet your specific requirements.

  Type
Description Cap King Dual Cap King
Test Pressure (psi) 10,000 15,000
Working Pressure (psi) 5,000 10,000
Weight (lbs.) 54 80
Height (in.) 16-1/2 23
Service H2S H2S
Standard Thread Size (in.) 2-3/8 EU 2-1/16 EU
2-7/8 EU 2-9/16 EU
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