Product Inroduction
The High Pressure FKM Hammer Union Lip Seals are essential sealing components designed for standard industry hammer union connections, including Figure 602, Figure 1002, and Figure 1502. These lip seals provide a leak-proof barrier for high-pressure flow lines, ensuring safety and efficiency during drilling, fracking, and well servicing operations. Specifically engineered with a specialized lip profile, these seals energize under pressure to maintain an airtight and fluid-tight connection between the male and female sub-ends of the union. Using high-grade FKM material ensures these seals perform reliably in environments involving aggressive chemicals, high heat, and sour gas.
Product Specification
Material Properties
The primary material for this seal kit is FKM (Fluorocarbon). FKM is a high-performance elastomer renowned for its exceptional chemical stability and resistance to thermal degradation. It provides a superior barrier against crude oil, hydrocarbons, and synthetic drilling fluids. Unlike standard rubber, FKM does not soften or swell significantly when exposed to aromatic solvents or high-pressure gas. Its inherent resistance to ozone and weathering makes it a durable choice for both offshore and land-based oilfield applications.
Technical Parameters and Specifications
Product Name: Hammer Union Lip Seal
Compatible Figures: Fig 602, Fig 1002, Fig 1502
Seal Profile: Pressure-energized Lip Design
Hardness: 80 to 95 Shore A
Material Grade: FKM (Fluorocarbon)
Available Sizes: 1 inch, 2 inch, 3 inch, 4 inch
Compatibility: Standard flowline iron and hammer union subs
| 1" 1502, Buna / FKM/ HSN |
| 1-1/2" 1502, Buna / FKM / HSN |
| 2" 602/1502, Buna / FKM/ HSN(Brass/Stainless Anti-Ext) |
| 3" 602/1502, Buna / FKM / HSN(Brass/Stainless Anti-Ext) |
| 4" 602/1002/1502, Buna / FKM / HSN(Brass/Stainless Anti-Ext) |
| 2" FIG 206, Buna / FKM / HSN |
| 3" FIG 206, Buna / FKM / HSN |
| 4" FIG 206, Buna / FKM / HSN |
Material Comparison: FKM vs. NBR vs. HNBR
NBR (Nitrile): This is the standard material for low-temperature, non-corrosive oil and water applications. While cost-effective, it fails quickly in high-temperature or sour gas environments and lacks the chemical resilience of FKM.
HNBR (Hydrogenated Nitrile): Offers better heat resistance and mechanical strength than NBR. It is suitable for H2S service up to 160C and provides excellent abrasion resistance. However, it cannot match the chemical and extreme heat resistance (up to 200C) of FKM.
FKM (Fluorocarbon): The premium choice for high-heat and chemically aggressive wells. It is the most reliable material for long-term exposure to sour gas (H2S) and high concentrations of chemicals. It remains stable where NBR and HNBR might degrade or swell.
Bulk Production
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Company Profile
Shanghai Qinuo Industry Co., Ltd, established in 2013 within the Shanghai Free Trade Zone, is a pioneering high-tech enterprise specializing in the integration of research and development, production, and sales. Embracing the ethos of "Quality for Survival, Innovation for Development," we have garnered a stellar reputation domestically and internationally under the esteemed brand names of "Royal Way®" and "SHQN®".
Main Technology:
1.Compression molding Rubber parts (NR/SILICONE/FKM/HNBR/ NBR....)
2.3D Print and CNC Machining For checking the design before fabricate the mold
OED/ODM Service
1.Custom Logo:Printing logo or custom make logo sticker service
2.Custom design:tell us your idea, we may help make it come ture.
3.Custom products:We can exactly copy according to design drawing or original samples.
4.Custom Packing:Custom make kinds of bags, boxes, blister packing etc.
5.One-stop service:Design/Produce/Shipping
FAQ
Question: Why is the lip design important for hammer union seals?
Answer: The lip profile is pressure-energized. This means as the internal flow pressure increases, the lip is forced tighter against the sealing surface of the union. This ensures a more reliable seal under high-pressure conditions compared to flat gaskets.
Question: Can I use FKM seals in H2S (Sour Gas) environments?
Answer: Yes, FKM is specifically chosen for H2S service because it resists the chemical embrittlement and degradation caused by sour gas, ensuring the union remains leak-proof throughout the operation.
Question: How do I identify which seal fits a Fig 1502 union?
Answer: Seals are sized based on the nominal pipe size of the union. A 2-inch Fig 1502 union will require a 2-inch hammer union lip seal. Our seals are manufactured to standard industry dimensions for universal compatibility.
Question: What is the shelf life of FKM hammer union seals?
Answer: When stored in a cool, dry, and dark environment, FKM seals have an exceptional shelf life of up to 20 years. They are highly resistant to aging, ozone, and UV light.
Question: Are these seals compatible with acidizing fluids?
Answer: Yes, FKM material provides excellent resistance to many acids used in well stimulation. However, for extremely high concentrations of certain acids, always verify the specific chemical compatibility chart for fluorocarbon elastomers.
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