
Hammer Unions
Standard
NACE MR-01−75 (as and when applicable)
Features
- Manufactured from quality steel and other alloy meeting ASTM, UNS and/or AISI standards
- The spherical surface male sub and angular surface female sub form a metal-to-metal seal.
- The ball and tangent provide a perfect seal. Size range from ½” to 12”
- Cold working pressures from 500 to 20,000 PSI
In case of special materials and requirements contact our technical department.
Application
Hammer unions are used in general service manifold lines and air, water, oil or gas applications
Available in both threaded and but weld ends
Metal to metal sealing surfaces

Figure 100
- Used in low pressure manifold lines and air, water, oil or gas applications
- Available in both threaded and butt weld ends
- Metal to Metal Sealing surface

Figure 200
- Used in general service manifold lines and air, water, oil or gas applications
- Available in both threaded and butt weld ends
- Metal to metal sealing surface
- Available in butt weld schedules 40 and 80

Figure 400
- Used in manifold & line connections, pump suction and mud service
- Available in both threaded and butt weld ends
- 3" through 12" sizes have o-ring for primary seal
- Available in butt weld schedule 80

Figure 600
- Used in steam service, boiler connections, manifold and line connections for production, drilling and well servicing
- Available in bronze seating
- Will not rust in water services

Figure 1502
- These Hammer Unions are use in cementing, acidizing, choke and kill lines
- Replaceable lip type rubber seal
- Available in both threaded and butt weld ends