Praher Knife Gate Valves

These inexpensive valves for industrial, agricultural, and commercial markets are ideal for quick shut-off in low pressure or vacuum lines. These valves are great for use in irrigation systems, pools, spas, plumbing, wastewater control, septic systems, IBC products, aquaculture, tank drain valves, and carpet/extraction equipment.

White or gray PVC, or black ABS
Santoprene™ (TPE) lip-type seals & EPDM O-rings
303/AA stainless steel shaft & hardware
3" & 4" have glass-reinforced polypropylene handles & double O-ring shaft seals
3" & 4" come standard with the gatekeeper safety clip to prevent unintentional closing
1" to 2" have factory-pressed on handles
2" & 4" have internal snap locks for gate locking in an open position
Vacuum: 0" Hg in a closed position & 7" Hg in an open position
Maximum pressure @ 70°F: 50 psi (1-1/2" to 2-1/2") & 40 psi (3" to 4")

Stock	Description	Catalog Pg.	Price
Item 21333	1" Socket x Socket White PVC Knife Gate Valve 17.4/Each In Stock Save 5% when you buy 4+ Save 10% when you buy 8+ Save 15% when you buy 24+	P-489	17.4/Each In Stock
Item 21057	1-1/2" MIP x FIP Black ABS Knife Gate Valve 17.88/Each In Stock Save 5% when you buy 4+ Save 10% when you buy 8+ Save 15% when you buy 24+	P-489	17.88/Each In Stock
Item 21058	1-1/2" Socket x Socket White PVC Knife Gate Valve 17.4/Each In Stock Save 5% when you buy 4+ Save 10% when you buy 8+ Save 15% when you buy 24+	P-489	17.4/Each In Stock
Item 21059	1-1/2" FIP x FIP Black ABS Knife Gate Valve 17.91/Each Out of Stock (On Order) Save 5% when you buy 4+ Save 10% when you buy 8+ Save 15% when you buy 24+	P-489	17.91/Each Out of Stock (On Order)
Item 21060	1-1/2" Pool Hose x MIP White PVC Knife Gate Valve 17.91/Each In Stock Save 5% when you buy 4+ Save 10% when you buy 8+ Save 15% when you buy 24+	P-489	17.91/Each In Stock
Item 21082	2" Socket x Socket White PVC Knife Gate Valve 25.46/Each In Stock Save 5% when you buy 4+ Save 10% when you buy 8+ Save 15% when you buy 24+	P-489	25.46/Each In Stock
Item 21083	3" Socket x Socket Gray PVC Knife Gate Valve 89.45/Each In Stock Save 5% when you buy 4+ Save 10% when you buy 8+ Save 15% when you buy 24+	P-489	89.45/Each In Stock
Item 21084	4" Socket x Socket Gray PVC Knife Gate Valve 120.27/Each In Stock Save 5% when you buy 4+ Save 10% when you buy 8+ Save 15% when you buy 24+	P-489	120.27/Each In Stock
Item 21334	1-1/2" Socket x Spigot White PVC Knife Gate Valve 17.4/Each In Stock Save 5% when you buy 4+ Save 10% when you buy 8+ Save 15% when you buy 24+	P-489	17.4/Each In Stock
Item 21335	2" Socket x Spigot White PVC Knife Gate Valve 25.35/Each In Stock Save 5% when you buy 4+ Save 10% when you buy 8+ Save 15% when you buy 24+	P-489	25.35/Each In Stock