Trapped pressure unloader valve ZKW21 ZKW21L ZKW22L 3000PSI 6 GPM
	Maximum pressure: 3000 PSI
	Flow range : 2.9 à 4.5 GPM (ZKW21, ZKW21L)
	                     4.5 à 6.0 GPM (ZKW22L)
	Maximum temperature: 200°F
	Inlet port: 1/2-14 BSP-F
	Outlet port: 3/8-19 BSP-M
	Dimensions: 8.5" * 2.0" * 5.0"
	Weight: 2.5 lbs
	Material: Brass
Part list and data sheet ZKW21 ZKW21L ZKW22L (PDF)
	Model ZKW21 W21 #01040179 used on pump models TS1371, TT1411, TT1611, TT9351, TT9441, TT9971, All EZ Pumps
	Model ZKW21L W21L #01040104 used on pump models  T811, TS1011, TS1311, TS1331, TS1511, TS1711, TS2011, T9131, T9211
	Model ZKW22L W22L #01040180 used on pump models T821, T921, T1021, T1321, T1621, T9121, T9161, TS821, TS921, TS1321, TS1521,TS1621, TS2021
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