Oilfield Hammer Unions Fig 1502 Thread Gages
Hammer unions manufactured under the requirements of API SPEC 7HU2-2022, are only to be considered interchangeable with hammer unions also manufactued to the requirements of this standard (API SPEC 7HU2-2022). Hammer unions manufactured under the requirements of API SPEC 7HU2-2022 are assumed to not be interchangeable with hammer unions not conforming toAPI SPEC 7HU2-2022.
This standard is applicable only to the following figures, nominal sizes, temperatures, and service conditions of hammer unions:
-Figure Numbers: 602, 1002, and 1502 Nominal Size: 1 in., 1.5 in,2 in., 3 in., and 4 in.
-Figure Numbers: 2002 and 2202 Nominal Size: 2 in. and 3 in.
This standard is only applicable to surface installations that are not intended to be insulated, buried, or otherwise denied direct exposure to atmosphere.


