Tube Turns Closures

High Pressure Closures

Tube Turns' high-pressure closures include many variations of the Double-Bolt, Single-Bolt, Threaded and Tool-less® in a wide range of ANSI pressure ratings (150 to 2500) and diameters (2" to 72") to fit customers' vessel diameter and specifications.  Tool-less and Double-Bolt closures are available in sizes from 6" to 72" in diameter. Threaded closures are available in 2" to 36" in diameter.  Single-Bolt closures are available in 2" to 8" in diameter.

Low Pressure Closures

The Company's low-pressure product line includes varying T-Bolt designs from 6" to 72" in diameter. This product line serve as an access door that allows quick and easy entry into a nominally pressurized system ranging from product tanks to reactor vessels. Designed for relatively low-pressure applications and not rated per the ANSI class system, these closures are very economical for lower pressures.

Anchor Forging Brochure (662 KB)

ASME Code (U) - Boiler Pressure Vessel (TT) (473 KB)

Monolithic Insulated Joint Brochure (1006 KB)

National Board (R) Certification (948 KB)

Pressure Equipment Directive (1070 KB)

T-Bolt Closure Catalog (1189 KB)

Tool-less Closure Installation Operation Manual (495 KB)

Tool-less Closures Catalog (1557 KB)