The subsea or surface drilling-applicable BOPs comprise one-piece ram assembly for a pressure-energized seal with maximum drill pipe, casing or tubing contact. This ensures a lower rubber pressure to the pipe and increased seal life. Type 50's oval ram and cavity design reduce stresses in the BOP body.
The 27,000-lb models are cited as designed and manufactured to API Specification 16A and ISO 13533 for drill though equipment. All hydraulic connections to the unit are 1-in. NPT.
Among BOP specs cited in the datasheet: 18.75 (476) bore along with 10,000-psi pressure rating plus 15,000-psi body test pressure. Minimum/maximum operating pressures are 1,500 and 3,000 psi respectively.
AXON Pressure Products
12606 North Houston Rosslyn Road, Houston TX 77086
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