Pressure Unloader

Features:
• Easy construction
• Especially soft switching behavior
• Easily operated adjustment and shifting
• Adjustable minimum and maximum pressure
• Extremely long durability
• Adjustable from 850 to 5,070 PSI
• 1/2” Bypass connection

Specifications:
• Maximum Pressure: 5,070 PSI
• Minimum Pressure: 850 PSI
• Flow Rate: 8 GPM
• Max Temperature: 176° F
• Inlet Port: 3/8" FNPT
• Outlet Port: 3/8” FNPT
• Bypass Port: 1/2” FNPT
• Weight: 2.60 lbs

Suttner ST-285 Unloader Valve 3,625 PSI 26 GPM 1/2" F. Suttner unloader valve ST-285 for high flow rates. Particularly durable! High-quality combination of materials

Features:
• Soft switching behavior
• Fatigue-free spring
• Particularly easy to maintain
• Low pressure drop
• Sealing seats in high grade stainless steel and Ceramic ball in bypass

Flyer

Specifications:
• Max Pressure: 3,625 PSI
• Flow Rate: 26 GPM
• Max Temperature: 194° F
• Inlet Port: 1/2" F
• Outlet Port: 1/2” F
• Bypass Port: 1/2” F
• Weight: 2.10 lbs

Features:
• Adjustable valve allows limit setting on both maximum pressure and minimum pressure
• Straight flow-through design minimizes pressure loss through valve
• Working components constructed of high-grade stainless steel. PTFE and Viton seals for maximum heat and chemical resistance
• Internal bypass valve can be easily accessed and repaired without removing unloader from unit
• Multi gun operational

Specifications:
• Maximum Pressure: 4,060 PSI
• Minimum Pressure: 500 PSI
• Flow Rate: 8 GPM
• Max Temperature: 176° F
• Inlet Port: 3/8" FNPT
• Outlet Port: 3/8” FNPT
• Bypass Port: 1/4” FNPT
• Weight: 1.80 lbs

Suttner ST-265 Pressure Compensating Unloader Valve 5,070 PSI with Switch.

Features:
• Soft switching behavior
• Fatigue-free spring
• Particularly easy to maintain
• Low pressure drop
• Valve elements made of high-grade stainless steel and ceramic

Flyer

Specifications:
• Pressure:1,000 - 5,070 PSI
• Flow Rate: 13 GPM
• Max Temperature: 176° F
• Maximum inrush current 10mA-5A(2A)
• VoItage: 12-24VDC 12-250VAC
• Protection CIass: IP65
• CabIe:1.2 meters 3xAWG20
• Inlet Port: 3/8" FPT
• Outlet Port: 3/8” FPT
• Bypass Ports (2): 3/8” FPT
• Weight: 2.25 lbs

Suttner ST-265 Pressure Compensating Unloader Valve 5,070 PSI.

Features:
• Soft switching behavior
• Fatigue-free spring
• Particularly easy to maintain
• Low pressure drop
• Valve elements made of high-grade stainless steel and ceramic

Flyer

Specifications:
• Pressure:1,000 - 5,070 PSI
• Flow Rate: 13 GPM
• Max Temperature: 176° F
• Inlet Port: 3/8" FPT
• Outlet Port: 3/8” FPT
• Bypass Ports (2): 3/8” FPT
• Weight: 2.10 lbs

Features:
• Only tamper-resistant operator adjustable valve in the industry which allows limit setting on both maximum pressure and minimum pressure
• Working components constructed of high-grade stainless steel. PTFE and Viton seals for maximum heat and chemical resistance
• Internal bypass valve can be easily accessed and repaired without removing unloader from unit

Specifications:
• Maximum Pressure: 3,625 PSI
• Minimum Pressure: 500 PSI
• Flow Rate: 8 GPM
• Max Temperature: 176° F
• Inlet Port: 3/8" FNPT
• Outlet Port: 3/8” FNPT
• Bypass Port: 1/4” FNPT
• Weight: 1.34 lbs

Features:
• Built-in exclusive down stream (venturi-type) injector with built in orifice provides more precise siphon rate.
• Adjustable valve allows limit setting on both maximum pressure and minimum pressure
• Straight flow-through design minimizes pressure loss through valve
• Working components constructed of high-grade stainless steel. PTFE and Viton seals for maximum heat and chemical resistance
• Internal bypass valve can be easily accessed and repaired without removing unloader from unit

Specifications:
• Maximum Pressure: 3,625 PSI
• Minimum Pressure: 500 PSI
• Flow Rate: 8 GPM
• Orifice: 2.4 mm
• Injector Flow Rate: 3.35 – 5.0 GPM
• Max Temperature: 176° F
• Inlet Port: 3/8" FNPT
• Outlet Port: 3/8” FNPT
• Bypass Port: 1/4” FNPT
• Weight: 1.38 lbs

Features:
• Built-in exclusive down stream (venturi-type) injector with built in orifice provides more precise siphon rate.
• Adjustable valve allows limit setting on both maximum pressure and minimum pressure
• Straight flow-through design minimizes pressure loss through valve
• Working components constructed of high-grade stainless steel. PTFE and Viton seals for maximum heat and chemical resistance
• Internal bypass valve can be easily accessed and repaired without removing unloader from unit

Specifications:
• Maximum Pressure: 3,625 PSI
• Minimum Pressure: 500 PSI
• Flow Rate: 8 GPM
• Orifice: 2.1 mm
• Injector Flow Rate: 2.25 – 3.35 GPM
• Max Temperature: 176° F
• Inlet Port: 3/8" FNPT
• Outlet Port: 3/8” FNPT
• Bypass Port: 1/4” FNPT
• Weight: 1.38 lbs

Features:
• Built-in exclusive down stream (venturi-type) injector with built in orifice provides more precise siphon rate.
• Adjustable valve allows limit setting on both maximum pressure and minimum pressure
• Straight flow-through design minimizes pressure loss through valve
• Working components constructed of high-grade stainless steel. PTFE and Viton seals for maximum heat and chemical resistance
• Internal bypass valve can be easily accessed and repaired without removing unloader from unit

Specifications:
• Maximum Pressure: 3,625 PSI
• Minimum Pressure: 500 PSI
• Flow Rate: 8 GPM
• Orifice: 1.8 mm
• Injector Flow Rate: 1.5 - 2.25 GPM
• Max Temperature: 176° F
• Inlet Port: 3/8" FNPT
• Outlet Port: 3/8” FNPT
• Bypass Port: 1/4” FNPT
• Weight: 1.38 lbs

Features:
• Adjustable valve allows limit setting on both maximum pressure and minimum pressure
• Straight flow-through design minimizes pressure loss through valve
• Working components constructed of high-grade stainless steel. PTFE and Viton seals for maximum heat and chemical resistance
• Internal bypass valve can be easily accessed and repaired without removing unloader from unit

Specifications:
• Maximum Pressure: 1,000 PSI
• Minimum Pressure: 200 PSI
• Flow Rate: 8 GPM
• Max Temperature: 176° F
• Inlet Port: 3/8" FNPT
• Outlet Port: 3/8” FNPT
• Bypass Port: 1/4” FNPT
• Weight: 1.34 lbs

Features:
• Adjustable valve allows limit setting on both maximum pressure and minimum pressure
• Straight flow-through design minimizes pressure loss through valve
• Working components constructed of high-grade stainless steel. PTFE and Viton seals for maximum heat and chemical resistance
• Internal bypass valve can be easily accessed and repaired without removing unloader from unit

Specifications:
• Maximum Pressure: 3,625 PSI
• Minimum Pressure: 500 PSI
• Flow Rate: 8 GPM
• Max Temperature: 176° F
• Inlet Port: 3/8" FNPT
• Outlet Port: 3/8” FNPT
• Bypass Port: 1/4” FNPT
• Weight: 1.34 lbs

PA VB 85/310 Rv and General YUB21405 blue spring trapped pressure unloader valve. At gun closure, the waterflow is discharged in bypass reducing the pressure in the system upstream of the valve

Featuring:
• Dynamic seals made up of O-ring and Back-up ring
• Optimized internal passages that guarantee reduced pressure loss
• Anti-rotation device of the piston positioned inside the valve and obtained by an hexagonal sector of the piston itself
• O-rings of the fittings positioned upstream to the thread : no risk of fittings ejected in case of overpressure
• Double feed connection
• Suitable for recycled water and strong detergents

Data Sheet

Specifications:
• Spring Color: Blue
• Permissible Pressure: 4,500 PSI
• Rated Pressure: 4,050 PSI
• Rated Flow Rate: 21.0 GPM
• Rated Temperature: 195° F
• Inlet Ports (2): 1/2" NPT F
• Outlet Port: 1/2” NPT F
• Bypass Port: 1/2” NPT F
• Replaces: 60.0485.65, VB 85/280, 60.0400.65, VB 80/280 and YUB2140
• Weight: 40.63 Oz

PA VB 85/180 Rv and General YUB21235 white spring trapped pressure unloader valve. At gun closure, the waterflow is discharged in bypass reducing the pressure in the system upstream of the valve

Featuring:
• Dynamic seals made up of O-ring and Back-up ring
• Optimized internal passages that guarantee reduced pressure loss
• Anti-rotation device of the piston positioned inside the valve and obtained by an hexagonal sector of the piston itself
• O-rings of the fittings positioned upstream to the thread : no risk of fittings ejected in case of overpressure
• Double feed connection
• Suitable for recycled water and strong detergents

Data Sheet

Specifications:
• Spring Color: White
• Permissible Pressure: 2,600 PSI
• Rated Pressure: 2,300 PSI
• Rated Flow Rate: 21.0 GPM
• Rated Temperature: 195° F
• Inlet Ports (2): 1/2" NPT F
• Outlet Port: 1/2” NPT F
• Bypass Port: 1/2” NPT F
• Replaces: 60.0485.05, VB 85/160, 60.0400.05, VB 80/150 and YUW2121
• Weight: 40.63 Oz

• Trapped Pressure Unloader
• General # YVB7K
• Maximum Pressure: 3,600 PSI
• Max. Volume: 7.8 GPM
• Adjustable pressure
• Brass body
• Max. Fluid Temp.: 200 degrees F.
• Inlet Ports (1): 3/8" MPT
• Discharge Ports (1): 3/8” FPT
• Bypass Ports (1): 3/8” FPT
• 19.7 OZ. Weight

Features:
• Assembly equipped with a high pressure proof compensation
• Compact dimensions
• Sturdy steel and brass construction
• Fixing system for the max. and min. pressure setting
• Sst seat for check valve, replaceable
• Easy maintenance

Specifications:
• Rated Pressure: 5,100 PSI
• Permissible Pressure: 5,600 PSI
• Rated Flow Rate: 10.5 GPM
• Rated Temperature: 195° F
• Adjustable pressure
• Forged brass body
• Inlet Port: 3/8" MPT
• Outlet Port: 3/8” FPT
• Bypass Port: 1/2” FPT
• Gauge Port: 1/4” FPT
• Weight: 31.04 oz

Features:
• Assembly equipped with a high pressure proof compensation
• Compact dimensions
• Sturdy steel and brass construction
• Adjustable locknut to control max pressure
• Red nylon knob
• Easy maintenance

Specifications:
• Rated Pressure: 5,100 PSI
• Permissible Pressure: 5,600 PSI
• Rated Flow Rate: 10.5 GPM
• Rated Temperature: 195° F
• Adjustable pressure
• Forged brass body
• Inlet Port: 3/8" MPT
• Outlet Port: 3/8” FPT
• Bypass Port: 1/2” FPT
• Gauge Port: 1/4” FPT
• Weight: 32.5 oz

• Trapped Pressure Unloader
• General # YVB3KA, Series 51 & 60 Pumps
• Maximum Pressure: 3,200 PSI
• Max. Volume: 6.5 GPM
• Adjustable pressure
• Brass body
• Max. Fluid Temp.: 195 degrees F.
• Inlet Ports (1): 3/8" MPT
• Discharge Ports (1): 3/8” MPT
• Bypass Ports (1): 3/8” FPT
• 14.7 OZ. Weight

PA VB 200/280 Pressure Regulating Unloader Valve 53 GPM 4,500 PSI. Pressure regulating unloader valve. At gun closure the water flow is discharged in bypass, lowering the pressure in the circuit upstream of the valve

Features:
• High flow rate
• Brass body and Sst internal parts
• Adjustable with screw and counter nut to secure the working pressure
• Slots for screw fastening

Specifications:
• Rated Pressure: 4,050 PSI
• Permissible Pressure: 4,500 PSI
• Minimum Adjustable Pressure: 410 PSI
• Max Flow Rate: 53 GPM
• Rated Temperature: 195° F
• Inlet Port: 1” BSP F
• Outlet Port: 1” BSP F
• Bypass Port: 1” BSP F
• Weight: 122.81 oz

PA VB 200/150 Pressure Regulating Unloader Valve 53 GPM 2,450 PSI. At gun shut off, the water flow is bypassed at reduced pressure

Features:
• Sturdy steel and brass construction
• Hexagonal shaped check valve to avoid jamming
• Max pressure adjustment by screw and locknut

Specifications:
• Rated Pressure: 2,200 PSI
• Permissible Pressure: 2,450 PSI
• Rated Flow Rate: 53 GPM
• Rated Temperature: 195° F
• Inlet Port: 1” FPT
• Outlet Port: 1” FPT
• Bypass Port: 1” FPT
• Weight: 72.16 oz

Featuring:
• Sturdy steel and brass construction
• By-pass control actuates at very low pressure values with reduced pressure in the delivery line when gun is shut
• By-pass control actuates at very low pressure values with reduced pressure in the delivery line when gun is shut
• Specially designed check valve prevents jamming and vibrations even in presence of sand and scales
• Safety valve built in the delivery side

Specifications:
• Unloader Valve (discharging)
• Rated Pressure: 7,250 PSI
• Permissible Pressure: 8,100 PSI
• Rated Temperature: 195° F
• Residual pressure at close down: 2,750 PSI
• Min. bypass re-start pressure: 1,600 PSI
• Rated Flow Rate: 21.0 GPM
• Material: Steel and brass
• Inlet Port: 1/2" F
• Discharge Port: 1/2” F
• Bypass Port: 1/2” F
• AR Part # AR40397
• Weight: 121.7 Oz