The Nicholson (Spence) Dura Flo series 81S inverted bucket steam trap is an economical solution for steam process equipment. Best suited for high pressure steam lines and laundry equipment, after initial prime air and condensate is vented from the orifice after condensate accumulation causes the bucket to fall.
The 81S is suitable for pressure ratings up to 250 PSI and condensate flows up to 1,060 lbs/hr.
Trap has a 5-1/16" face to face dimension
Available in sizes 1/2", 3/4", and 1"
Available in pressure ratings 15 PSI, 30 PSI, 70 PSI, 125 PSI, 200 PSI, 250 PSI
Nicholson (Spence) 81S Inverted Bucket Steam Trap Specification