ASTM and GB standards Size: 1-4" Working pressure: 14-105MPa Alloy Forged According to API-7K

Features: 1) Commonly used to connect pipelines for well head equipment of oil wells and gas wells, and connect pipelines for drilling, flushing, cementing and fracturing equipment

2) Different sealing types meet various requirements with reliable performance; self-locking ACME thread provides easy and convenient put-on and take down; spare parts of the same model are interchangeable; unions of different rated pressure are easily identified by colors

3) Standards: all materials are compliant to ASTM and GB standards, hammer unions for sour environment are manufactured in accordance with National Association of Corrosion Engineers (NACE) MRO175 and American Petroleum Institute (API) RP-14E

4) End connections: either LP female thread or welded type, customers' specifications are also acceptable

5) Size: 1-4"

6) Working pressure: 14-105MPa

API 7K High Pressure Hammer Union Joint