Linde Polymer Tec Co.,Ltd. is one of the most experienced manufacturers and suppliers of standard size hammer union seal in China, also supports customized service. Please feel free to buy high quality standard size hammer union seal for sale here from our factory.
Products Description
Standard size hammer union seal is a seal for hammer-type pipe joints, mainly used to establish flow lines in pipe connections and prevent leakage. It is widely used in the oil and gas industry, steel mills, chemical plants, open-pit mining, and marine dredging.
Oil and Gas Sealing Solutions
Our hammer union seal rings are available in a range of configurations and materials to match the specific performance requirements of your demanding operating environments.
Materials available include FKM, NBR, HNBR, and Viton. In addition to the standard molded rubber seals, anti-extrusion rings can be reinforced in brass hammer union seals or stainless steel hammer union seals.
This design provides a strong, permanent end connection without butt welding. The end of the joint is assembled to the pipe in the workshop. Epoxy thread compound is used for fixed connections. Since all threads are isolated from the fluid line, the resulting smooth holes ensure minimum turbulence, reduce flushing, and reduce the accumulation of acid, sand, cement,t or chemicals around the pipe end.
Recommended service: cementing, fracturing, testing, and choke-kill lines.
Advantages Of Standard Size Hammer Union Seal
- A range of elastomer hardnesses from 70 to 90 durometer.
- Our NBR is available with a Brass reinforcing ring and both our HNBR and Viton Hammer Unions Seals are available with a Stainless Steel reinforcing ring.
- Widely used in cementing, fracturing, acidizing, testing, and choke-and-kill lines.
- Deliver positive sealing throughout the stated pressure range.
| Working Conditions | ||
| Temperature range | Pressure | Medium |
| -46℃~+121℃ | ≤155MPa | Drilling fluid, acidizing fluid, fracturing fluid, 15% hydrochloric acid |
Hammer Union Seal Size Chart
| Nom. Pipe Size | I.D. | O.D. | C.S. |
| 3" | 3 - 1/2" | 5 - 1/4" | 7/8" |
| 4" | 4 - 1/2" | 6 - 1/4" | 7/8" |
| 5" | 5 - 9/16" | 7 - 5/16" | 7/8" |
| 6" | 6 - 5/8" | 8 - 3/8" | 7/8" |
| 8" | 8 - 5/8" | 10 - 3/8" | 7/8" |
| 10" | 10 - 3/4" | 12 - 1/2" | 7/8" |
| 12" | 12 - 3/4" | 14 - 1/2" | 7/8" |
| 13" | 13 - 3/8" | 15 - 1/8" | 7/8" |
| 14" | 14" | 15 - 3/4" | 7/8" |
| 16" | 16" | 17 - 3/4" | 7/8" |
| 18" | 18" | 19 - 3/4" | 7/8" |
| 20" | 20" | 21 - 3/4" | 7/8" |
| 23" | 23" | 24 - 3/4" | 7/8" |
Material Technical Data Sheet
| Viton 75 | Properties | Test Method | Values |
| Hardness (Shore A) | ASTM D2240 | 75+/- 5 | |
| Density | ASTM D297 | 2.00 g/cm2 +/- 5 | |
| Tensile Strength | ASTM D412 | 50 kg/cm2 | |
| Elongation at Break | ASTM D412 | 200% | |
| Compression Set (25% 24hrs @ 70°C) | ASTM D395 Method B | 56% | |
| Working Temperature Range | - | -20°C to + 275°C | |
| Heat Ageing (48hrs @ 150°C) | |||
| Hardness Change | ASTM D573 | +4° (Max) | |
| Tensile Strength Change | ASTM D573 | +14% | |
| Elongation at Break Change | ASTM D573 | +/- 23% | |
about Us
Linde Polymer Tec Co., Ltd. mainly produces a variety of rubber compounds and rubber seals and currently has more than 3,000 material formulas and more than 2,000 product specifications. Products are suitable for automotive, aviation, machinery, petrochemical, medical, food, electronics, military, industrial, and other fields. Since the establishment of the factory, the company has completed the process consistency operation, and the product yield rate has reached 97.1%.
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