Flowline

Hammer Unions

American Block carries a full line of high quality Hammer Unions. We provide Unions ranging from 1″ to 12″ and can handle pressures up to 15000 psi CWP (cold working pressure). Available with line pipe, butt-weld or socket weld connections, our unions are interchangeable with other name brand manufacturers that adhere to industry standards.

To ensure customer satisfaction, our Unions come with full traceability and are manufactured from the highest quality raw materials. All of American Block flow line products are type approved by Det Norske Veritas. In addition, they meet API 6A and API 16C requirements, as well as NACE-MR-01-75 (sour gas service).

HAMMER UNIONS RANGE IN SIZE FROM 1″ TO 12″
MAXIMUM WORKING PRESSURE OF 15,000 PSI
COMPLETE TRACEABILITY
MANUFACTURED FROM FORGED STEEL
STM A – 105 UNIONS > 6,000 PSI
AISI 4130 FOR UNIONS < 6,000 PSI
AVAILABLE WITH CHARPY TESTING

UNION TYPES:

Threaded Hammer Unions (40, 50, and 602 to 1502)
Butt Weld Hammer Unions (602, 1502, and 2202)
Threaded & Butt Weld Hammer Unions (100 to 400)

Recommended for low pressure applications, up to 500 PSI; applications include: air, water, oil, gas service, vacuum trucks and/ or transfer pumps
Available in threaded
Bronze mate

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