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832-474-4440 Union Swivel & Flange

13840 Aston St., Houston, TX 77040

figure 1502

hammer union weld

We specialize in hammer unions and other connections for oilfield and industrial applications as well as flow line loops, swivels and pup joints.

figure 1502 hammer union butt weld

FIGURE 1502 HAMMER UNION - Butt Weld hammer seal unions are also called lug unions, weco style and are used in the oilfield and industrial market for the connections of hose and pipes to one another. they 1502 is a high pressure 15,000 psi union and is usually red and blue color unless the H2S service is used then it is painted Green for sour gas.


2" 3" fig 1502 hammer union

4"& 5" fig 1502 hammer union

Offerd Pipe Size: 1" 2", 3", 4" 5"
Union Pressure Rating: 15,000 psi cwp; 22,500 psi test
Connections Types: NPT pipe line threads, butt weld, welded XXH, SCH 80, SCH 40
Component Parts: Nut, Male Sub, Female Sub, Seal Ring

H2S Sour gas Service to NACE MR-01-75

Service usage:
Quick connect, Cementing lines, fracturing line, testing, acidizing,and choke and kill lines hoses, and rubber hoses low pressure and high pressure

Hammer Union 1502 - Butt Weld Features
removable seal ring in nitrile and h2s provides primary seal, protects themetal to metal seal, and minimizes flow friction,

1502 unions are Red and blue color and good for 15,000 psi

h2s service is usually downgrated to 10,000 psi.

these Hammer unions are manufactured with steel forgings in materials in sch 40 sch 80, sch 160 and XXH types. 3" fig 1502, 4" fig 1502, 2" fig 1502

5" fig 1502,

End Connection
Hammer unions are available in threaded and welded style. NPT API line pipe threads are common as well as Buttweld ends can be provided. Customer to specify schedule of pipe size when placing order

it is important to know that the male side is the one with the nut and the female side is the side with the outside threads this is opposite of most common thinking but neverthless is the way hammer unions are made and called out in terminology.