Hammer Unions

Hammer Unions are designed and manufactured for the application of high pressure fluid transmission. They are popularly used in oilfield operation, such as fracturing, acidizing and cementing.

Hammer unions are made of high grade of materials, appropriate to specific pressure ratings. Precision forging and heat treatment ensure the desirable mechanical property. All connection threads and sealing surface are processed with numerical control machines, features reliable sealing and interchangeability.  

Rigid quality inspection and pressure test are accomplished with related National and International standards. Complete records are well kept for products traceability. Unions are available in all choices of end connections. API line pipe threads are as standard.

Specifications

Model	Cold Working Pressure		Size available
	MPa	psi	1"	2"	3"	4"
100	7	1,000		√	√	√
200	14	2,000	√	√	√	√
206	14	2,000	√	√	√	√
602	42	6,000		√
607	46	6,666		√
1502	105	15,000		√

Union Color Designation