FIGURE 2202 HAMMER UNION - Butt Weld Nominal pipe Size: 2", 3", 4", 5" Pressure Rating: 20,000 psi cold working pressure Connections Type: butt-weld Component Parts: Detachable Nut, Male Sub, Female Sub, Seal Ring, Retainer Segment, Retainer Ring Sour Service Models to NACE MR-01-75 Recommended service Cementing, fracturing, acidizing, testing, and choke and kill lines Hammer Union (Series 2202 - Butt Weld) Features Replaceable, lip-type seal provides primary seal, protects secondary metal-to metal seal, and minimizes flow turbulence Butt-weld configurations only

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Material
Hammer unions are manufactured from steel forgings using materials in sch 40 sch 80, sch 160 and XXH types.

End Connection
Hammer unions are available in a wide variety. API line pipe threads are standard. Buttweld ends can be provided. Customer to specify schedule of pipe.

Low Temperature Service
Hammer unions can be supplied for low temperature applications with suitable impact value testing.

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