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HP union
EMPIRE high-pressure union is produced from high-strength alloy steel by using introduced internationally advanced technologies. Heat treatment ensures that connectors have uniform and consistent metallographic structure and pressure capacity. All materials are in complete compliance with US ASTM and AISI standards and all technical indicators in production meet requirements as specified in API Spec 16C. The connectors are compatible with pipe thread, hydraulic tube thread and end seal connected by butt welding or normal-pressure sealing.
I. Features
Reliable sealing, quick to assemble and disassembly, and good interchangeability.
II. Use
High-pressure union is used on cement trucks, fracturing trucks and various types of manifold, pipeline and high-pressure equipment, and is an important accessory for delivery of oil, water, fracturing liquid and mixed liquids.
III. Models
100, 200, 207 type sealing head, 211, 206, 400, 300, 600, 402, 1002, 602, 1003, 1502, 2002, 2202 and 4Trl80x8 (corresponding to 1003 type made in China).
100 type: 1000PSI NSCWP, test pressure: 1500PSI. Black nuts and yellow parts.
1. Structure: Precise sealing surface ensures reliable pressure seal.
2. Use: Low-pressure manifolds and working pressure of no higher than 1000psi are recommended.
|
Nominal Size |
Overall Length |
Nut Radius |
Materials |
Weight |
|||||
|
in |
mm |
in |
mm |
in |
mm |
Nut |
Parts |
Ibs |
kgs |
|
2 |
50.8 |
35/8 |
92.1 |
215/16 |
74.6 |
SF |
SF |
5.25 |
2.4 |
|
21/2 |
63.8 |
41/4 |
108.0 |
35/8 |
92.1 |
SF |
SF |
8.0 |
3.6 |
|
3 |
76.2 |
415/16 |
125.4 |
41/16 |
103.2 |
SF |
SF |
14.0 |
6.4 |
|
4 |
101.6 |
515/16 |
150.8 |
425/32 |
121.4 |
SF |
SF |
23.0 |
10.4 |
|
6 |
152.4 |
65/8 |
168.3 |
67/16 |
163.5 |
SF |
SF |
44.5 |
20.2 |
|
8 |
203.2 |
71/4 |
184.2 |
711/16 |
195.3 |
SF |
SF |
61.0 |
27.7 |
200 type: 2000PSI NSCWP, test pressure: 3000PSI. Blue nuts and grey parts.
1. Structure: Compact, applicable model butt welded, Sch.40.
2. Use: It is widely used in low-pressure well pipeline and may also be used in applications of air, water, oil or gas with medium pressure.
|
Nominal Size |
Overall Length |
Nut Radius |
Materials |
Weight |
|||||
|
in |
mm |
in |
mm |
in |
mm |
Nut |
Parts |
Ibs |
kgs |
|
1 |
25.4 |
211/16 |
68.3 |
115/16 |
49.2 |
SC/SF |
CDB/SF |
1.75 |
0.8 |
|
11/4 |
31.7 |
27/8 |
73.0 |
23/8 |
60.3 |
SF |
SF |
2.37 |
1.1 |
|
11/2 |
38.1 |
27/8 |
73.0 |
23/8 |
60.3 |
SF |
SF |
2.37 |
1.1 |
|
2 |
50.8 |
35/16 |
84.1 |
229/32 |
73.8 |
SF |
SF |
2.25 |
2.4 |
|
21/2 |
63.8 |
41/16 |
103.2 |
311/16 |
93.7 |
SF |
SF |
10.0 |
4.5 |
|
3 |
76.2 |
413/8 |
111.1 |
37/8 |
98.4 |
SF |
SF |
15.25 |
6.9 |
|
4 |
101.6 |
413/16 |
122.2 |
5 |
127.0 |
SF |
SF |
20.0 |
9.1 |
|
6 |
152.4 |
65/8 |
168.3 |
67/16 |
163.5 |
SF |
SF |
44.5 |
20.2 |
|
8 |
203.2 |
71/4 |
184.2 |
711/16 |
195.3 |
SF |
SF |
61.0 |
27.7 |
206 type: 2000PSI NSCWP, test pressure: 3000PSI. Blue nuts and grey parts.
1. Structure: O-ring is used on sealing surface of male connector, to improve sealing effect. Butt welding is applicable (Sch.40).
2. Use: Recommended for use as connection between manifold and pipeline and in situations with negative pressure and corrosive media.
|
Nominal Size |
Overall Length |
Nut Radius |
Materials |
Weight |
|||||
|
in |
mm |
in |
mm |
in |
mm |
Nut |
Parts |
Ibs |
kgs |
|
1 |
25.4 |
211/16 |
68.3 |
115/16 |
49.2 |
SC/SF |
CDB/SF |
1.75 |
0.8 |
|
11/2 |
38.1 |
27/8 |
73.0 |
23/8 |
60.3 |
SF |
SF |
2.37 |
1.1 |
|
2 |
50.8 |
35/16 |
84.1 |
229/32 |
73.8 |
SF |
SF |
5.25 |
2.4 |
|
21/2 |
63.5 |
41/16 |
103.2 |
311/16 |
93.7 |
SF |
SF |
10.0 |
4.5 |
|
3 |
76.2 |
43/8 |
111.1 |
37/8 |
98.4 |
SF |
SF |
15.25 |
6.9 |
|
4 |
101.6 |
413/16 |
122.2 |
5 |
127.0 |
SF |
SF |
20.0 |
9.1 |
|
6 |
152.4 |
65/8 |
168.3 |
67/16 |
163.5 |
SF |
SF |
44.5 |
20.2 |
|
8 |
203.2 |
71/4 |
184.2 |
711/16 |
195.3 |
SF |
SF |
61.0 |
27.7 |
207 type: 2000PSI NSCWP, test pressure: 3000PSI. Blue cap and grey parts.
1. Structure: NBR O-ring is used on end cap, for effective sealing. Threads are interchangeable with 200 and 206 types. Butt welding is used. (Sch.40)
2. Use: Recommended for use as manifold connection and protection to threads on pipeline connectors in situations of air, water, oil or gas is used as media.
|
Nominal Size |
Overall Length |
Nut Radius |
Materials |
Weight |
|||||
|
in |
mm |
in |
mm |
in |
mm |
Nut |
Parts |
Ibs |
kgs |
|
3 |
76.2 |
33/4 |
95.25 |
27/8 |
73.03 |
SC |
SF |
9.8 |
4.45 |
|
4 |
101.6 |
45/16 |
109.54 |
319/32 |
91.28 |
SC |
SF |
16.25 |
7.37 |
|
6 |
152.4 |
513/16 |
147.64 |
431/32 |
126.2 |
SC |
SF |
38.0 |
17.24 |
211 type: 2000PSI NSCWP, test pressure: 3000PSI. Grey nuts and light blue parts.
1. Structure: Insulation design of connectors prevents direct contact of metal parts and the abrasion-resistant synthetic rubber provides effective sealing. Also compatible with ring type sealing components, to extend union service life.
2. Use: Recommended for use in situations with electrolytic corrosion risks or situations requiring static electricity insulation.
|
Nominal Size |
Overall Length |
Nut Radius |
Materials |
Weight |
|||||
|
in |
mm |
in |
mm |
in |
mm |
Nut |
Parts |
Ibs |
kgs |
|
2 |
50.8 |
31/2 |
88.9 |
31/8 |
79.38 |
SF |
SF |
6.25 |
2.8 |
|
3 |
76.2 |
41/2 |
114.3 |
4 |
101.6 |
SF |
SF |
12.50 |
5.7 |
300 type: 3000PSI NSCWP, test pressure: 4500PSI. Black nuts and green parts.
1. Structure: Precise sealing surface ensures reliable pressure seal.
2. Use: Recommended for use with oil, water, slurry, gas or air.
|
Nominal Size |
Overall Length |
Nut Radius |
Materials |
Weight |
|||||
|
in |
mm |
in |
mm |
in |
mm |
Nut |
Parts |
Ibs |
kgs |
|
1 |
25.4 |
211/16 |
68.3 |
115/16 |
49.2 |
SC/SF |
SF |
1.75 |
0.8 |
|
2 |
50.8 |
35/16 |
84.1 |
229/32 |
73.8 |
SF |
SF |
5.25 |
2.4 |
400 type: 4000PSI NSCWP, test pressure: 6000PSI. Black nuts and red parts.
1. Structure: Thick wall and solid structure, with ring seals and cone seals, to ensure easy centering and reliable sealing.
|
Nominal Size |
Overall Length |
Countersink |
Nut Radius |
Materials |
Weight |
||||||
|
in |
mm |
in |
mm |
in |
mm |
in |
mm |
Nut |
Parts |
Ibs |
kgs |
|
2 |
50.8 |
53/16 |
131.8 |
1/4 |
6.4 |
39/16 |
90.5 |
SF |
SF |
11.0 |
5.0 |
|
3 |
76.2 |
61/4 |
158.8 |
3/8 |
9.5 |
43/16 |
106.4 |
SF |
SF |
19.25 |
8.7 |
|
4 |
101.8 |
81/8 |
206.4 |
3/8 |
9.5 |
5 |
127.0 |
SF |
SF |
32.0 |
14.5 |
402 type: Black nuts. Black connectors are only available in 2 in. size (with NBR O-ring).
600 type: 6000PSI NSCWP, test pressure: 9000PSI. Black nuts and silver parts.
1. Structure: Main seal is provided by bronze seat.
2. Use: It is recommended for use in steam systems, as connection between manifolds and pipeline in production, drilling and repair operations.
|
Nominal Size |
Overall Length |
Countersink |
Nut Radius |
Materials |
Weight |
||||||
|
in |
mm |
in |
mm |
in |
mm |
in |
mm |
Nut |
Parts |
Ibs |
kgs |
|
1 |
25.4 |
317/32 |
89.7 |
1/4 |
6.4 |
25/16 |
58.7 |
SF |
SF |
3.5 |
1.6 |
|
2 |
50.8 |
61/4 |
158.8 |
3/16 |
4.8 |
33/4 |
95.3 |
SF |
SF |
15.0 |
6.8 |
602 type: 6000PSI NSCWP, test pressure: 9000PSI. Black nuts and orange parts.
1. Structure: Elastic NBR O-rings are used for sealing purpose and protection unions from direct contact between steel parts. Butt welding is used. (Sch.80)
2. Use: Recommended for use as connection between manifolds and in vehicle-mounted situations or where slurry delivery is required. Compatible with unions sealed at normal pressure.
|
Nominal Size |
Overall Length |
Countersink |
Nut Radius |
Materials |
Weight |
||||||
|
in |
mm |
in |
mm |
in |
mm |
in |
mm |
Nut |
Parts |
Ibs |
kgs |
|
1 |
25.4 |
317/32 |
89.7 |
1/4 |
6.4 |
25/16 |
58.75 |
SF |
SF |
3.5 |
1.6 |
|
2 |
50.8 |
51/4 |
133.3 |
1/4 |
6.4 |
39/16 |
90.5 |
SF |
SF |
13.25 |
5.9 |
|
3 |
76.2 |
63/8 |
161.92 |
3/8 |
9.5 |
45/8 |
117.5 |
SF |
SF |
21.0 |
9.5 |
|
4 |
101.6 |
81/16 |
208.0 |
3/8 |
9.5 |
51/4 |
133.4 |
SF |
SF |
33.0 |
15.0 |
1002 type: 10000PSI NSCWP, test pressure: 15000PSI. Red nuts and blue parts.
1. Structure: Elastic NBR O-rings and butt welding (Sch.160 or XXH) are used.
2. Use: Recommended for use in situations of cementing, fracturing, acidification, testing, blockage and well killing pipeline. It is designed for use in high-pressure situations, including vehicle-mounted systems, and may also be used as unions sealed at normal pressure.
|
Nominal Size |
Overall Length |
Countersink |
Nut Radius |
Materials |
Weight |
||||||
|
in |
mm |
in |
mm |
in |
mm |
in |
mm |
Nut |
Parts |
Ibs |
kgs |
|
1 |
25.4 |
31/2 |
88.9 |
1/4 |
6.4 |
21/4 |
57.2 |
SF |
SF |
3.5 |
1.6 |
|
2 |
50.8 |
53/16 |
131.8 |
1/4 |
6.4 |
311/16 |
93.7 |
SF |
SF |
13.25 |
5.9 |
|
3 |
76.2 |
63/8 |
161.9 |
3/8 |
9.5 |
43/8 |
117.5 |
SF |
SF |
21.0 |
9.5 |
|
4 |
101.6 |
81/16 |
204.8 |
3/8 |
9.5 |
51/4 |
133.4 |
SF |
SF |
39.5 |
17.9 |
1003 type: 10000PSI NSCWP (7500PSI NSCWP, 4in, 5in). Black nuts and green parts.
1. Structure: The union has a ball seat, and allows 71/2 degree divergence from center or angular adjustment, with total divergence capacity of 15 degrees. Except in fitting between steel structures, NBR O-rings ensure air tightness at any divergence position.
2. Use: Recommended for use on high-pressure pipelines that can not be centered, and also applicable in situations with air, water, oil, slurry or gas.
|
Nominal Size |
Connect |
Overall Length |
Nut Radius |
Materials |
Weight |
|||||
|
in |
mm |
in |
mm |
in |
mm |
Nut |
Parts |
Ibs |
kgs |
|
|
3 |
76.2 |
NPT |
91/8 |
231.8 |
47/8 |
123.8 |
SC |
AS |
45.0 |
99.2 |
|
3 |
76.2 |
SCH160 |
87/8 |
225.4 |
47/8 |
123.8 |
SC |
AS |
47.5 |
104.7 |
|
3 |
76.2 |
XXHVY |
91/8 |
231.8 |
47/8 |
123.8 |
SC |
AS |
48.5 |
106.9 |
|
4 |
101.6 |
NPT |
1015/16 |
277.8 |
53/4 |
146.0 |
SF |
SF |
72.0 |
158.7 |
|
4 |
101.6 |
SCH160 |
1011/16 |
271.5 |
53/4 |
146.0 |
SF |
AS |
76.0 |
167.5 |
|
4 |
101.6 |
XXHVY |
1015/16 |
277.8 |
53/4 |
146.0 |
SF |
AS |
78.0 |
172.0 |
|
5 |
127 |
SCH160 |
103/4 |
273.1 |
53/4 |
146.0 |
SF |
AS |
74.0 |
163.0 |
|
5 |
127 |
XXHVY |
1015/16 |
277.8 |
53/4 |
146.0 |
SF |
AS |
76.5 |
168.7 |
1502 type: 15000PSI NSCWP, test pressure: 22500PSI. Blue nuts and red parts.
1. Structure: Replaceable elastic NBR O-ring, with thick and solid walls for use in high-pressure systems. Butt welding (Sch XXH) is used.
2. Use: Recommended for use in situations of cementing, fracturing, acidification, testing, blockage and well killing pipeline, also for use as connection in sealing at normal temperature.
|
Nominal Size |
Overall Length |
Countersink |
Nut Radius |
Materials |
Weight |
||||||
|
in |
mm |
in |
mm |
in |
mm |
in |
mm |
Nut |
Parts |
Ibs |
kgs |
|
11/2 |
38.1 |
513/32 |
137.0 |
1/4 |
6.4 |
321/32 |
93.0 |
SF |
SF |
12.0 |
5.4 |
|
2 |
50.8 |
7 |
177.8 |
15/64 |
6.0 |
33/4 |
95.3 |
SF |
SF |
21.0 |
9.5 |
|
3 |
76.2 |
75/8 |
193.7 |
3/8 |
9.5 |
41/2 |
114.3 |
SF |
SF |
31.0 |
14.1 |
2002 type: 20000PSI NSCWP, test pressure: 30000PSI. Red nuts and red parts.
1. Structure: The union is only available in 2in. size, with replaceable elastic NBR O-ring, to protect complete squeezing protection in stainless steel liner pipes and in situations with overpressure. The design of detachable nuts, sectorial circular ring/carrier ring simplifies process of removing the nuts from pipeline.
|
Nominal Size |
Overall Length |
Nut Radius |
Materials |
Weight |
|||||
|
in |
mm |
in |
mm |
in |
mm |
Nut |
Parts |
Ibs |
kgs |
|
2 |
50.8 |
73/8 |
187.32 |
311/16 |
93.66 |
SF |
AS |
22.5 |
49.60 |