2 1/2" NPT * 10000 psi High Pressure Hammer union
Highly pressure union is forged and made by introducing into international advance technology and adopting high
strength alloy. Strict heat treatment ensure the joint has evenly metallographic organization and bearing ability,
all materials are conformed with ASTM and ANSI standard, the product technological index is totally conformed with
API Spec 6A standard. Its sealing is reliable, installment and removal is fast, currency is good, its joint can be used
for pipeline thread, vitta thread, and butt weld or nonpressure seal end connection.
Nominal Pipe Size
Union with the flange
2. hammer union Fig 200
a.The unions have compact structures and are widely used for low pressure pipeline and popular for low
pressurerig piping. They also meet most requirements for medium pressure ranges for air, oil or gas
service. Available in butt weld sch.40
b. color:Blue Nut, Gray Subs.
3. hammer union Fig 206
These unions are fitted with an o-ring in the male sub sealing surface for tighter sealing. Available in butt weld sch.40
Recommended for manifold and line connections, suction service and corrosion service.
FIGURE 206, 2000PSI NSCWP, 3000PSI TEST, Blue Nut, Grey Subs.
4. hammer union Fig 400
Made in heavy walls and rugged design, the unions feature ball and come sealing for easy alignment and
4000PSI NSCWP, 6000PSI TEST, Black Nut, Red Subs.
5. hammer union Fig 602
These unions provide a resilient nitrile seat ring which helps sealing and protects the steel-to-steel
seating of the union.
Recommended for manifold and line connection, truck-mounting and mud service.
Fig 602 unions are also available as non-pressure seal union and in butt weld Sch.80
6000PSI NSCWP, 9000PSI TEST, Black Nut, Orange Subs.
ZZ TOP is the professional manufacturer of the drill stem testing tools for cased hole & open hole, as well as wellhead equipment.
As the manufacturer, we produce below items:
-DST tools- Full bore retrievable (RTTS) packer, retrievable(RTTS) circulating valve, Retrievable (RTTS) Safety joint, Select tester valve, LPR - N valve, OMNI Valve, Rupture Disk safety circulating valve, RD circulating valve, RD Sampler, Round mandrel Slip Joint, Tubing String Testing Valve ( TST valve), Gauge Carrier, Hydraulic circulating valve, MFE, IPO valve,
-Surface well testing equipment - Flowhead, SSV, ESD,Separator etc.
-Wellhead equipment such as BOP, X-mas tree, Choke manifold, kill manifold, drilling spool, casing head and other valve & flanges
-Downhole tools such as stabilizer, stabilizer forging, reamer, X-over sub and etc
As the distributor, we are working with large rig companies and heavy equipment manufacturers for the below products:
-Rig parts from RG,BOMCO,SJ,Hong Hua,KR etc,such as mud pump,rotary table, hook & block, swivel, crown block and consumable parts
- BOP and wellhead parts from Rongsheng,Shenkai
- Pipe- Tubing, Casing, seamless pipe
- Handling tools and Fishing tools