Unloader Relief Valves

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Brass Unloader Relief Valves

StyleModelTypeInlet Port SizeInlet Port TypeMax. Fluid Temp.Max. PressureOutlet Port TypePressure RangeFlow RangePrice
A1MDA1Regulating1/2"Female190°F2600 psiMale-2-3 GPM€133.15
B1MDA2Regulating1/2"Female190°F3650 psiMale-3-5.5 GPM€164.17
C1MDA3Regulating3/8"Female190°F3000 psiFemale-0-8 GPM€95.33
C1MDA4Regulating3/8"Female190°F4000 psiFemale-0-8 GPM€120.15
D1MDA5Regulating3/8"Female190°F5000 psiMale-0-9 GPM€239.49
EAL703Regulating3/8"Female194°F4060 psiFemale4060 psi0-6.3 GPM€112.44
F1MDA7Safety3/8"Male200°F4000 psi-1000 psi to 4000 psi0-6 GPM€21.65
StyleModelInlet Port SizeOutlet Port SizeMax. PressurePressure RangeMax. Flow RateTypeInlet Port TypeOutlet Port TypePrice
A4KHA21"3/4"650 psi0 psi to 400 psi40 GPMPressure ReliefMNPTFNPT€187.43
A4KGZ81/2"1/2"650 psi300 psi to 600 psi6 GPMPressure ReliefMNPTFNPT€81.59
A4KGZ73/4"3/4"600 psi300 psi to 600 psi6 GPMPressure ReliefMNPTFNPT€73.42
A4KHA13/4"3/4"650 psi0 psi to 300 psi25 GPMPressure ReliefMNPTFNPT€78.13
PULSAFEEDER -

Pvdf Unloader Relief Valves

StyleModelTypeInlet Port SizeInlet Port TypeOutlet Port SizeOutlet Port TypeBody MaterialMax. Fluid Temp.Max. PressurePrice
ANA200001-PVDBack Pressure1/2"FNPT1/2"FNPTPVDF280°F150 psi€1,680.36
BNA100001-PVDPressure Relief1/2"FNPT1/2"FNPTPVDF280°F150 psi€1,668.25
MI-T-M -

Unloader Valves

StyleModelMPNPrice
A8-06348-0634€136.52
RFQ
B22-033222-0332€75.16
StyleModelMax. PressurePressure RangeMax. Flow RateTypeInlet Port SizeInlet Port TypeOutlet Port SizeOutlet Port TypePrice
A4KGZ9150 psi0 psi to 150 psi13 GPMPressure Relief3/4"MNPT3/4"FNPT€44.25
A4KHA3300 psi0 psi to 250 psi22 GPMPressure Relief3/4"MNPT3/4"FNPT€43.16
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Stainless Steel Unloader Relief Valves

StyleModelTypeInlet Port SizeInlet Port TypeOutlet Port SizeOutlet Port TypeMax. Fluid Temp.Max. PressureHeightPrice
ANA200001-316Back Pressure1/2"FNPT1/2"FNPT300°F150 psi4 1/4"€1,673.26
BNA100001-316Pressure Relief1/2"FNPT1/2"FNPT300°F150 psi4 1/4"€2,055.07
C1MPP2Regulating3/8"Female3/8"Female190°F3650 psi6 3/4"€595.85
WORLDWIDE ELECTRIC -

Spare Unloader Valves

StyleModelMPNPrice
A69DCA69DCA€24.46
RFQ
A69DJA69DJA€24.46
RFQ
DAYTON -

Valve Thermal Max Fluid Temperature 140 F

ModelItemPrice (ex. VAT)
1MDA6AB2JQM€20.41

Unloader Relief Valves

Raptor Supplies offers a huge variety of unloader relief valves from brands like Dayton, AR North America and Pulsafeeder to protect low-volume / high-pressure pumps from pressures above 3000 psi. These relief valves feature nylon / stainless-steel / brass / bronze / PVDF construction to handle a maximum flow rating of 40 gpm. Selected models are also designed to apply a positive discharge pressure to prevent backsiphoning and eliminate varying dosage rates caused by fluctuating downstream pressure.