Fig. 300 Union ( Grey Nut, Yellow Subs )


Fig. 300 Union ( Grey Nut, Yellow Subs )


Fig. 300 Union ( Grey Nut, Yellow Subs )

Fig. 300 Union ( Grey Nut, Yellow Subs )

DEENPU offers a comprehensive range of standard and sour gas Hammer Unions. Each union is thoroughly inspected

to ensure long, dependable service in the most extreme conditions.
– 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
– Fully interchangeable with most major brands of Hammer Unions


Size Nut Radius Length Total Pressure Rating (PSI) Weight (Aprrox.)
inches mm mm Standard Service Sour Gas Service
Cold Working Test Cold Working Test kg
1/2 45.72 76.20 15000 20000 N/A N/A 0.81
1 54.10 66.80 2000 3000 N/A N/A 0.90
2 73.15 95.25 2000 3000 N/A N/A 1.13

– These Hammer Unions are similar to Fig 200 with a secondary seal to supplement the metal-to-metal design

– Recommended for use in corrosive environments

– Available in both threaded and butt weld ends

– Available in butt weld schedules 40 and 80


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