Hammer Union

Model

Working Pressure

Features

Recommended service

Fig 100 Hammer Union

1,000 psi(69 bar)

u Pressure-tight make-up with hammer

Manifold and line connections

u Economical,low-pressure union

Fig 200 Hammer Union

2,000 psi(138 bar)

u Economical,general-purpose union

General-service manifolds and lines

u 1-to 4-inch sizes

u Butt-weld available

Fig 206 Hammer Union

2,000 psi(138 bar)

u O-ring in male sub improves sealing and protects metal-to-metal seal against corrosion

Manifold and line connections,suction service,and corrosion service

u Replaceable O-ring extends union

u 1-to 10-inch sizes

Fig 207 Hammer Union

2,000 psi(138 bar)

u Parts are interchangeable with Figs.200 and 206

To seal manifold connections and protect union threads

u O-ring on blanking cap ensures a leak-free seal

u Raised lugs on cap allow for make-up with a hammer

u Cap can be tapped for pressure gauge if specified

u Available in butt-weld

Fig 211 Hammer Union

2,000 psi(138 bar)

u Laminated insulating rings eliminate all metal-to-metal contact;insulating rings

For production systems with electrolytic corrosion problems

u provide 35 million ohms resistance across the union

u O-ring in male sub provides a positive primary seal

u Seal ring in female sub provides a positive secondary seal

u Insulating rings,O-ring,and seal ring can be replaced to extend union life

Fig 400 Hammer Union

4,000psi(276 bar)through 4-inch sizes;

u 21/2-through 12-inch sizes have O-rings for primary seal

Manifold and line connections,pump suction,and mud service

2,500psi(172 bar)through 5 to 12-inch sizes

u Butt-weld available

u Available for sour gas service:2,500 psi suction,(172 bar)cold working pressure, 5-through 12-inch sizes;4,000psi (276 bar) coldworking pressure, 1-through 4-inch sizes

Fig 600 Hammer Union

6,000psi(414 bar)

u Bronze seat provides primary seal;will not rust in water services

Steam service,boiler connections, manifold,and line connections for production,drilling,and well servicing

Fig 602 Hammer Union

6,000psi(414 bar)

u Compact

Manifold and line connections and mud service

u Replaceable,lip-type seal provides primary seal,protects secondary metal-to-metal seal,and minimizes flow turbulence

u Butt-weld available

u Available for sour gas service:6,000 psi (414 bar)cold working pressure

Fig 1002 Hammer Union

10,000psi(690 bar)through 4-inch sizes; 7,500 psi(517bar),5-and 6-inch sizes

u Replaceable,lip-type seal provides primary seal,protects secondary metal-to-metal,and minimizes flow turbulence

Cementing,fracturing,acidizing,testing, and choke-and-kill lines

u Butt-weld available

u Available for sour gas service:7,500 psi (517 bar)cold working pressure

u 5-and 6-inch sizes have O-rings for primary seals

Fig 1003 Hammer Union

Misaligning union

u Ball seat provides positive seal with up to 71/2misalignment;2-inch model up to 4°

For high-pressure connections where lines cannot be aligned

10,000 psi(690 bar)2-and 3-inch sizes;

u Replacement O-ring on male sub provides primary seal,and protects metal-to-metal seal against abrasion and corrosion

7,500psi(517 bar),4and5 inch sizes

u Hammer union connection:available with threaded or butt-weld ends

Fig 1502 Hammer Union

15,000 psi(1034 bar)

u Replaceable,lip-type seal provides primary seal,protects secondary metal-to-metal seal,and minimizes flow turbulence

Cementing,fracturing,acidizing,testing, and choke-and-kill lines

u Butt-weld available

u Available for sour gas service:10,000 psi (690 bar)cold working pressure;butt- weld or non pressure-thread seal configurations only

Fig 2002 Hammer Union

20,000 psi(1380 bar)

u Replaceable,lip-type seal provides primary seal,protects secondary metal-to-metal seal,and minimizes flow turbulence

Cementing,fracturing,acidizing,testing, and choke-and-kill lines

u 2 and 3-inch line sizes

u Butt-weld configurations only

Fig 2202 Hammer Union

15,000 psi(1034 bar)

u Meets National Association of Corrosion Engineers Standard MR-01-75 and American Petroleum Institute RP-14E

Especially designed for sour gas service

u Heat-treated components are 100% tested for hardness

u Fluoroelastomer seal rings

u Butt-weld only

u Stamped"sour gas"using low-stress dot stamping and painted with a green zinc-chromate primer to assure quick identification