Hammer Lug Unions,Threaded Unions, Butt Welded Unions

Products

Hammer Lug Unions

A full range of Hammer lug unions are available upon request from threaded Fig 200 unions through to Butt Weld Fig 2202 unions and are briefly explained as follows:

Threaded Unions

We offer various sizes of API Line Pipe Threaded Unions. The Threads are gauged with calibrated working API gauges, which are inspected regularly with API master gauges.

Butt Welded Unions

Hammer Lug Unions are available in all Fig. numbers as Butt Weld Unions as an alternative to the standard API threaded end. We mostly specialise in the highpressure unions described below. When ordering please state the required pipe schedule.

Hammer Lug Unions are available in Hydrogen Sulphide trim (Sour Gas H2S) with either Threaded or Butt weld ends. Sour Gas Unions are manufactured in accordance with NACE Standard MR-01-75. For ease of identification Sour Gas Unions are painted green.

Figure 1002

Recommended Service for the 1002 are Cementing, testing, and choke-and-kill lines with 10,000 psi (690bar) cold working pressure on 4" sizes and 7,500 psi (517 bar) cold working pressures on 5" and 6" sizes. The main features of these unions are that they have a replaceable lip type primary seal, which protects the secondary metal to metal seal, and minimises the flow turbulence. Both Butt-weld and Threaded connections are available. The Unions are also available for sour gas service: 7,500 psi (517 bar) cold working pressure.

Figure 1502

Recommended Service for the 1502 are Cementing, testing, and choke-and-kill lines with 15,000 psi (1034bar) cold working pressure. The main features of these unions are that they have a replaceable lip type primary seal, that protects the secondary metal to metal seal, and minimises the flow turbulence. Both Butt-weld and Threaded connections are available. The Unions are also available for sour gas service: 10,000 psi (690 bar) cold working pressure, butt-weld configurations only.

Figure 2002

Recommended Service for the 2002 are Cementing, testing, and choke-and-kill lines with 20,000 psi (1380bar) cold working pressure. The main features of these unions are that they have a replaceable lip type primary seal, that protects the secondary metal to metal seal, and minimises the flow turbulence, Butt-weld connections only.

Hammer Lug Unions are available in a range of figure numbers for use with the following pressure ratings and services:


Figure No	100	200	206	400	602	1002/1004*	1003	1502	2202

Standard Service


Max Working Pressure	1,000 PSI	2,000 PSI	2,000 PSI	4,000 PSI	6,000 PSI	10,000 PSI	10,000 PSI	15,000 PSI	N/A
Max Test Pressure	1,500 PSI	3,000 PSI	3,000 PSI	6,000 PSI	9,000 PSI	15,000 PSI	15,000 PSI	22,500 PSI	N/A
Colour Code	Sub - Yellow	Sub - Grey	Sub - Grey	Sub - Red	Sub - Orange	Sub - Blue	Sub - Green	Sub - Red	N/A
Colour Code	Nut - Black	Nut - Blue	Nut - Blue	Nut - Black	Nut - Black	Nut - Red	Nut - Black	Nut - Blue	N/A

Sour Service


Max Working Pressure	N/A	N/A	N/A	4,000 PSI	6,000 PSI	7,500 PSI	7,500 PSI	10,000 PSI	15,000 PSI
Max Test Pressure	N/A	N/A	N/A	6,000 PSI	9,000 PSI	11,250 PSI	11,250 PSI	15,000 PSI	22,500 PSI
Colour Code	N/A	N/A	N/A	Sub - Green	Sub - Green	Sub - Green	Sub - Green	Sub - Green	Sub - Green
Colour Code	N/A	N/A	N/A	Nut - Green	Nut - Green	Nut - Green	Nut -Green	Nut - Green	Nut - Green

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