Shanghai Qinuo Industry Co., Ltd.
                                                                                                           
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Premium NBR Hammer Union Seals with Brass Anti-Extrusion Ring | Fig 602, 1002, 1502 High Pressure Lip Seals | Nitrile Oilfield Seals for Pipeline

Price Negotiable
Price: USD$0.5-$1.2/pc
MOQ: 500PCS
Delivery Time: 7-15days according to the quantity of order
Brand: SHQN / Royal Way
Product Description

Premium NBR Hammer Union Seals with Brass Anti-Extrusion Ring | Fig 602, 1002, 1502 High Pressure Lip Seals | Nitrile Oilfield Seals for Pipeline

 

Overview: High-Performance Sealing Solutions for Oilfield Integrity

 

Engineered for the demanding environments of oilfield, our Premium NBR Hammer Union Seals are designed to provide a leak-proof seal in high-pressure pipeline applications. Featuring a precision-engineered Brass Anti-Extrusion Ring, these lip seals are specifically built to withstand extreme pressure spikes and prevent seal migration or "blowouts" in Fig 602, 1002, and 1502 unions.

Material Characteristics


This product combines high quality Nitrile rubber with precision machined brass to handle demanding environments:

Nitrile Rubber NBR:
Our premium NBR (Buna-N) is formulated for excellent resistance to petroleum based fluids, water, and hydraulic oils. It features high abrasion resistance and a strong compression set, allowing the seal to maintain its shape and sealing memory over time.

 

Brass Anti-Extrusion Ring:
Brass is strategically used because it is strong enough to resist the high pressure forces that cause elastomer extrusion, yet it is softer than the steel used in hammer union subs. This ensures that the reinforcement ring will not scratch or damage the expensive metal seating surfaces of your pipeline components.

 

Product Parameters and Specifications

Connection Compatibility: Fig 602, Fig 1002, Fig 1502
Nominal Pipe Sizes: 2 inch, 3 inch, 4 inch and custom size
Material Composition: Premium NBR (Nitrile) with brass ring
Hardness: 80 to 95 Shore A for the elastomeric component
Design Standard: Fully interchangeable with standard high pressure iron and manifold seal grooves

 

 

Application Environments

Our seals are the "gold standard" for critical well service components in:

1. Flowline Connections: Secure sealing between pipe joints and manifolds.
2. Pressure Pumping: Handling high-velocity proppants during hydraulic fracturing.

 

FAQ

1. What is the primary advantage of the brass anti-extrusion ring?
The brass ring provides a physical barrier that prevents the Nitrile rubber from being forced into the small gaps between the metal pipe ends at high pressures. This significantly reduces the risk of seal failure and extends the operational life of the gasket in 10,000 and 15,000 PSI services.

 

2. Can these NBR seals be used for sour gas H2S service?
Standard NBR is optimized for oil and water based fluids. For high concentrations of sour gas H2S, it is generally recommended to use HNBR or FKM materials.

 

3. Are these seals interchangeable with all-rubber seals?
Yes, these seals are designed to the same dimensional specifications as standard all-rubber lip seals. You can upgrade your existing Fig 1502 or Fig 1002 unions with these brass backed seals without any modifications to your current hardware.

 

4. Why use NBR instead of other elastomers?
NBR (Nitrile) is the industry standard due to its exceptional resistance to oil and fuel, combined with high tensile strength and abrasion resistance. It provides the best balance of performance and cost efficiency for the majority of oilfield fluid transfer applications.

 

Get in Touch

Have questions about our products or want to discuss a custom order? Our team is ready to help you.

Company Shanghai Qinuo Industry Co., Ltd.
Location Building 11 #106 Jinwen Rd Pudong New Area, Shanghai, 201323
Contact Person Chris Miao

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