Manufactured from forged steel are hammer unions, ranging in sizes from 1” to 12” with a range of working pressure up to 15000psi offering complete traceability. Goodrich Gasket Pvt. Ltd. is one of the leading Hammer Union manufacturers.Goodrich Gasket offers a wide range of standard and sour gas hammer unions. Each union whether standard or sour gas is carefully inspected to assure long, dependable service even under extreme conditions.