80-85 Shore A NBR HNBR Rubber Hammer Union Seal for High Pressure 6000 to 15000 psi Applications

 1'' to 4'' Weco Figure 1502 NBR HNBR FKM PTFE Hammer union seal for hammer union

Product Description

In the high-pressure, high-stakes world of oil and gas exploration, hammer union seals stand as critical components taht ensure the integrity of fluid transfer systems. Designed specifically for the rugged conditions of oilfields, these seals are engineered to fit within hammer unions-mechanical connectors widely used to join drill pipes, wellheads and production lines. Their primary function is to creat a leak-tight barrier against crude oil, natural gas, drilling mud and other corrosive fluids, even under extreme pressure and temperature fluctuations that define upstream and midstream oil operations.

What sets quality hammer union seals apart is their robust construction and material compatibility. Most oilfield-grade seals are crafted from high-performance elastomers like nitrile rubber (NBR), hydrogenated nitrile (HNBR), or fluorocarbon (FKM), each tailored to resist abrasion, chemical degradation, and high compressive forces. For instance, FKM seals excel in high-temperature well stimulation applications, while NBR variants offer cost-effective reliability for standard crude transfer scenarios. Properly selected seals prevent costly leaks that can lead to environmental hazards, operational downtime, and regulatory non-compliance—risks that no oil and gas company can afford to overlook.

Installation and maintenance of hammer union seals are straightforward yet critical to their performance. Unlike complex sealing systems, these seals require precise sizing to match union dimensions (such as API 6A standards, the industry benchmark for oilfield equipment) and proper seating during assembly. Regular inspection for wear, cracking, or deformation is essential, especially after high-pressure operations like hydraulic fracturing or well testing. Replacing worn seals proactively is far more economical than addressing emergency leaks, making them a staple in proactive oilfield maintenance protocols.

For oil and gas professionals searching for reliable sealing solutions, prioritizing API-certified hammer union seals is non-negotiable. Whether for onshore drilling rigs, offshore production platforms, or pipeline maintenance projects, these seals deliver the durability and consistency needed to keep operations running smoothly. As the oil industry continues to evolve toward safer, more efficient practices, hammer union seals remain a fundamental part of the infrastructure that powers global energy supply.

Available material, size, color and type

Rubber material: NBR, HNBR, FKM, PTFE, PU

Size: 1'', 1.5'', 2'', 3'', 4''

Color: black, white, red, green, blue, purple, accept custom color

Type: pure rubber, rubber with brass ring, rubber with stainless ring

Product photo show

Company and factory introduction

Shanghai Qinuo Industry Co., Ltd was established in the year of 2013 at Shanghai Free Trade Zone, we are a professional rubber seal manufactory specialized in the Oil & Gas filed, Qinuo is a new and high-tech enterprise integrating R&D, production and sales. Since its inception, we adhering to the "Quality for Survival, Innovation Competes For Development " concept, continuous development and innovation, we won a good reputation at home and abroad, we are current using Royal Way & SHQN two brands to do the marketing in the energy industry.

Qinuo provides professional rubber parts, plastic parts and maching parts design and production services, products mainly used in oil & gas industry, automobiles, household appliances, machinery equipment etc. We have a professional production and sales team, "High-Quality, High Professionalism, High Efficiency" are the principles of doing things.

Under the Shanghai Qinuo, we have two wholly-owned factories in Nantong City, only an hour's drive to Shanghai Pudong Airport or Shanghai Sea port to ensure the quick delivery, we have more than 30 rubber vulcanizing machines and relevanted equipments, so that Qinuo can produce more than 20 kinds of rubber rings or other rubber products together to meet our customer's demands, our monthly rubber processing capability can upto 20 tons (about 40, 000 lbs) or more. And Qinuo is still in rapid growthing.

We adopt comprehensive quality management system based on the ISO9001, our products are mainly exported to the United States, Canada, Britain, Germany, Finland, Australia more than 100 countries extend all over the globe. Qinuo is sincerely wishing to cooperate with you.

How to contact us

www.unionseal.com