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MTS incorporation supplies Hammer Unions, Flanges, Tees and Adaptors from Raw Materials in the form of Forgings or Castings in accordance with Service Requirements in sizes 1" to 12" with ratings upto 20,000 PSI cold working pressure (CWP). Unions for Sour Gas Service are manufactured in accordance with NACE MR-01-75 & API, RP-14E.


MTS Hammer Unions are interchangeable with WECO or other manufacturers, adhering to the industry standards. 

FMC products are available on special requests if required.

Sealing Design

The conical and spherical surfaces of the female and male subs respectively form an effective metal-to-metal seal in case of low pressure services. For medium pressure mostly a Nitrile 'O' Ring is provided in the male sub in addition to the metal to metal seal. For high pressure a lip type seal ring of Nitrile is provided for primary seal in the female sub. The seal protects the secondary metal to metal seal from corrosion and limits Fluid Flow turbulence. For Sour service applications Viton seals are provided.

Quality Control

MTS Unions are manufactured using modern manufacturing techniques to attain first class workmanship and dimensional control. Correctly chosen Raw materials for a particular service together with correct heat-treatment process is used to ensure better service and longer life in extreme conditions.