Morrison Bros. 317 Float Vent Valves

Vendor: Morrison Bros. Co.

Valve Type(s):
Miscellaneous Valves and Accessories

Valve Description:

Float vent valves are installed in extractor fittings (560 series) on the vent line of an underground storage tank. When the liquid level rises during product delivery, the ball rises to the seat and severely reduces the flow rate of the delivery.

Features:

1/8" bleed hole slows the delivery when the valve is closed
Bleed hole allows the transport operator to drain any product remaining in the hose
Easily removed from grade level for inspection and tank testing
3" models have an integrated cage
317NPT has NPT male threads and does not have a cage

Construction Details

Adaptor... Brass (3" models)
Pipe Nipple... Steel (e-coated)
Ball float... Stainless steel
Cage... Stainless steel (2" models)
Float rod... Brass (3" models)

Certifications & Listings

CARB 90-09 (2" models)

WARNING:

The 317 series should not be used on suction pump systems. Float vent valves should only be used on gravity drop systems. Do not use where pump off unloading or coax fills are used.

Valve Category:

Float Vent Valves

Item Number	Size (in x in)	Description	Weight (lbs)	Request Quote
317---0600 AV	2 x 6	Float Vent Valve w/ 1/8 Bleed Hole	2.25	Request Quote
317---1200 AV	2 x 12	Float Vent Valve w/ 1/8 Bleed Hole	4.25	Request Quote
317---1500 AV	2 x 15	Float Vent Valve w/ 1/8 Bleed Hole	5	Request Quote
317---1700 AV	2 x 17	Float Vent Valve w/ 1/8 Bleed Hole	5.75	Request Quote
317---1900 AV	2 x 19	Float Vent Valve w/ 1/8 Bleed Hole	6.5	Request Quote
317---2100 AV	2 x 21	Float Vent Valve w/ 1/8 Bleed Hole	5.74	Request Quote
317---3060 AV	3 x 6	Float Vent Valve w/ 1/8 Bleed Hole	7	Request Quote
317---3100 AV	3 x 10	Float Vent Valve w/ 1/8 Bleed Hole	10	Request Quote
317---3110 AV	3 x 11	Float Vent Valve w/ 1/8 Bleed Hole	12.5	Request Quote
317---3120 AV	3 x 12.5	Float Vent Valve w/ 1/8 Bleed Hole	16	Request Quote
317---3150 AV	3 x 15	Float Vent Valve w/ 1/8 Bleed Hole	18	Request Quote
317---3170 AV	3 x 17.5	Float Vent Valve w/ 1/8 Bleed Hole	16	Request Quote

317NPT0600 AV	3 X 6	Float Vent Valve w/Male NPT Threads	4.5	Request Quote
317NPT1100 AV	3 X 11	Float Vent Valve w/Male NPT Threads	7	Request Quote