Cushion Elbows

Cushion ElbowsWe manufacture API certified Hammer Unions of 100% forged steel material.  A-105 for low pressure unions (less than 6,000 psi) and 4130 for high pressure (6,000 psi and above).  ACT offers the complete range of unions from 1” to 12” and 1,000 PSI to 20,000 PSI.  Unions for sour gas service are manufactured in accordance with NACE MR-01-75 and API RP-14E.  ACT hammer unions are interchangeable with WECO or other manufacturers adhering to industry standards. 

Thread Gauging

ACME thread and line pipe threads are gauged by standard plug and ring gauges.

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 an “O” ring is provided in the male sub in addition to the metal to metal seal.  For high pressure a lip type seal 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

ACT 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 processes are used to ensure better service and longer life in extreme conditions.

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API and DNV Approved Products

 

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