Figure 50

Color Code:
Red Nut, Red Sub

Features:

  • 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
    Meet or exceed National Association of Corrosion Engineers standard NACE MR-01-75 and API RP-14E
  • Manufactured from quality steel meeting ASTM and/or AISI standards
  • All unions provide pressure-tight & positive sealing for low-pressure services (500 to 2,000 PSI)
  • The spherical surface male sub and angular surface female sub form a metal-to-metal seal, the ball and tangent provides a perfect seal
  • Range from 1/2” to 12” with cold working pressures from 500 to 20,000 PSI

Interchangeability:

Compatible with other brands

Interchangeability:

NBR/Nitrile (standard service), Viton® (sour gas service)

At a glance:

  • Figure 50 unions are recommended for suction and low pressure lines
  • Available in threaded and socket weld ends
Size Nut Radius Length Total Pressure Rating (PSI) Weight (LBS)
Inches Inches Inches Standard
Service
Sour Gas
Service
(Approx.)
Cold
Working
Test Cold
Working
Test
4 5.13 6.20 500 750 N/A N/A 27.00
5 5.22 5.60 500 750 N/A N/A 22.40