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78 Series -- Thread-to-Connect Couplings Featuring...Snap-tite quality with superior pressure and flow characteristics over the competition Interchangeable with Aeroquip 5100 Series and Parker 6100 Series Heavy duty wing nut or hex nut for easy connection of threaded units 3,000 psig (207 bar) operating pressure 4,500 psig (310 bar) proof pressure Sizes 3/4", 3/4" x 1/2", 1", 1-1/4" and 1-1/2" Snap-tite heavy duty 78 Series Thread-to-Connect Couplings are designed for most industrial fluid applications plus they are ideal for coal trucks, oil well equip- ment, hydraulic dump trucks, sand and salt spreaders requiring a rugged coupling. The 78 series dry break features minimal spillage and air inclusion. The couplings connect under pressure. For bulkhead mounting, a steel flange is available. The 78 Series offers up to 3,000 psig (207 bar) operating pressure in both the connected and disconnected positions. PRESSURE RATINGS OPERATING PRESSURE* AIR INCLUSION SPILLAGE BRASS cc MAXIMUM cc MAXIMUM SIZE PSI BAR 3/4" 3000 207 .30 .15 1" 3000 207 .40 .40 1-1/4" 2750 190 .65 .65 1-1/2" 2500 172 .80 .85 *Pressure ratings for connected or disconnected modes. For excessive flow and surge conditions, consult factory before specifying.
Goodyear Rubber Products