A hammer lug union joins two flowline components through a threaded nut with external lugs. Matching male and female subs, a pressure seal and the wing nut create a compact connection that can be assembled or released without rotating the connected piping.
Technical features
Figure-numbered pressure and service classes
API line-pipe thread or butt-weld end options
Forged-steel components selected for the pressure rating
Three-lug wing-nut arrangements
Low-temperature impact-tested options
Sour-service materials and hardness control where specified
Interchangeability to be confirmed against the required union system and dimensional standard
Typical applications
Fracturing and cementing iron
Choke and kill lines
Circulating and testing lines
Temporary high-pressure manifolds
Quick-connect field piping
TECHNICAL DATA
Selection and supply basis
Fig 50 / 100
500 / 1,000 psi standard service
Fig 200 / 206 / 207
2,000 psi standard or sour service
Fig 600 / 602
6,000 psi; Fig 602 available for sour service
Fig 1002 / 1003 / 1004
10,000 psi standard / 7,500 psi sour service
Fig 1502
15,000 psi standard / 10,000 psi sour service
Fig 2002
20,000 psi standard service
Fig 2202
15,000 psi sour-service reference class
Ends
API line-pipe thread standard; butt-weld ends available
Service
Standard or sour-gas service; final metallurgy and hardness confirmed against the approved fluid data
Temperature basis
Project-selected temperature class; reference range -46 °C to 121 °C where stated
Inspection
Material traceability, dimensional inspection, NDE and hydrostatic/functional testing to the approved ITP
Documentation
Datasheet, drawings, MTRs, NDE and pressure-test records as specified
Supply positioning
Energy Equipment International supplies flowline equipment against approved project requirements. Manufacturing, monogram, certification, interchangeability and performance claims apply only when confirmed in the selected supplier’s approved documentation.
