Flow Control Product

Butterfly Valve

EMCON offers a comprehensive range of standard and sour gas Hammer Unions. Each union is carefully inspected to ensure long, dependable service in the most extreme conditions. Available in stock at our distribution center in Houston.

  • Three lug nuts and self-locking ACME threads provide quick make-up and break-out
  • Color coded for quick identification
  • Unique identification for sour gas unions
  • Some include elastomer seal depending on size, pressure rating and style
  • Meet or exceed National Association of Corrosion Engineers standard NACE MR-01-75 and API RP-14E
  • All materials used meet ASTM and/or AISI standards
  • The spherical surface male sub and angular surface female sub form a metal-to-metal seal,the ball and tangent provides a perfect seal
  • All unions provide pressure-tight & positive sealing for low-pressure services (1,000 to 2,000 PSI)
  • Range from 1” to 12” with cold working pressures from 1,000 to 20,000 PSI
  • Fully interchangeable with most major brands of Hammer Unions
  • Manufactured from quality steel forgings


Specifications for threaded and Butt Weld Hammer Unions