FIGURE 1502 BLACK NUT, RED SUBS
Group:
OILFIELD HAMMER UNIONS
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Figure 1502. These 15.000-psi NSCWP unions are available in 1, 1-1/2, 2, 3, 4 and 5-inch sizes with a replaceable resilient nitrite seal ring.
Alloy steel construction, heavy walls and a rugged design have made these unions popular with the service companies for working pressures up to 15.000-psi. Fig.1502 unions also are available with non-pressure seal threads and in butt-weld Sch.160 or XXH, 2" or 2-1/2" API 8 round thread ends of prepped for sour gas service.