A hammer union seal used in hammer unions, some customer also called it weco seals which are widely used in the oil and gas industry for connecting pipes or valves together temporarily. These unions are designed to provide a quick and reliable connection that can withstand high pressure and harsh conditions commonly found in drilling operations.

The seal in a hammer union typically consists of a combination of materials, such as NBR or HNBR and sometimes metal rings like stainless steel or brass. When the two halves of the union are hammered together, the seal is compressed between the male and female parts, creating a tight and secure connection. This seal prevents leakage of fluids or gases under high pressure.

JST factory developed different material to suit for hostile working condition such as H2S, CO2, CH4.

Hammer union seals or pressure manifold seals are key components in ensuring safety of piping systems in oil and gas operations. They need to be durable, resistant to corrosion, and capable of maintaining a reliable seal even in challenging environments. Regular inspection and maintenance of these seals are essential to prevent leaks and ensure the continued efficiency of the piping system.

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