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A.R. NORTH AMERICA A.R - Unloader Valves
A.R. NORTH AMERICAUnloader Valves

A.R. NORTH AMERICA A.R

The A.R. NORTH AMERICA VHP39 is a brass unloader valve with a 3/8-inch NPT bypass connection, rated for a maximum fluid temperature of 190°F. This industrial component is designed for bypass regulation in fluid systems.

SKU 3G-OTH-440897

Also listed as: VHP 39 · VHP-39

Brand
A.R. NORTH AMERICA
Item
A.R
Category
Unloader Valves
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

A.R. NORTH AMERICA
Manufacturer Part Number
VHP39
Type
NPT, Brass
Max. Fluid Temp
190°F
Bypass Connection Type
NPT
NORTH AMERICA Unloader Valve
3/8 in Bypass Connection Size

Technical Documents

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A.R. NORTH AMERICA Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The A.R. NORTH AMERICA VHP39 is a brass unloader valve with a 3/8-inch NPT bypass connection, rated for a maximum fluid temperature of 190°F. This industrial component is designed for bypass regulation in fluid systems.

Frequently Asked Questions

What is the A.R. NORTH AMERICA VHP39 unloader valve used for?

The A.R. NORTH AMERICA VHP39 unloader valve is used for bypass regulation in industrial fluid systems. It diverts flow when pressure exceeds a set point, protecting pumps and components. Common applications include pressure washers, irrigation systems, and hydraulic circuits requiring reliable pressure relief.

What are the specifications of the A.R. NORTH AMERICA VHP39 unloader valve?

The A.R. NORTH AMERICA VHP39 unloader valve has a 3/8-inch NPT bypass connection, a brass body, and a maximum fluid temperature of 190°F. It is designed for NPT bypass connections and is manufactured by A.R. NORTH AMERICA under part number VHP39.

Where to buy the A.R. NORTH AMERICA VHP39 unloader valve worldwide?

You can source the A.R. NORTH AMERICA VHP39 unloader valve through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time on this component.

How to install the A.R. NORTH AMERICA VHP39 unloader valve?

Install the A.R. NORTH AMERICA VHP39 unloader valve by connecting the 3/8-inch NPT bypass port to the system return line. Ensure the valve is oriented per flow direction markings and tighten fittings to manufacturer torque specs. Always depressurize the system before installation to avoid injury.

Used in

Common applications for A.R. NORTH AMERICA
Industrial cleaning — A.R. NORTH AMERICA direct-drive pumps (e.g., RMV25G30D-EZ-PKG) for high-pressure water cleaning of machinery and floors
Construction site maintenance — A.R. NORTH AMERICA gas engine pumps (e.g., RKV4G40HD-F24-PKG) for removing concrete residue and dirt from equipment
Fleet vehicle washing — A.R. NORTH AMERICA hydraulic-drive pumps (e.g., HYD-RK1520-PKG) for mobile pressure washers in truck and bus depots
Facility exterior cleaning — A.R. NORTH AMERICA belt-driven pumps (e.g., RCA3G25E-F8-PKG) for building facade and parking lot pressure washing
Equipment rental — A.R. NORTH AMERICA triplex pumps (e.g., RKA4G40HN-PKG) for rental pressure washers used in commercial and residential applications
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A.R. NORTH AMERICA Products

3G Electric supplies A.R. NORTH AMERICA unloader valves. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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Cross-referenced by specification & description
Triplex piston pump with hollow shaft and horizontal hydraulic drive flange. Oil bath lubrication. Max. flow rate 8 gpm at 1,450 RPM. Intake: 3/4 in FNPT; discharge: 3/8 in NPT. For use in hydraulic-driven pressure washing systems
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Triplex piston pump with hollow shaft and horizontal hydraulic drive flange. Oil bath lubrication. Max. flow rate 8 gpm at 1,450 RPM. Intake: 3/4 in FNPT; discharge: 3/8 in NPT. For use in hydraulic-driven pressure washing systems
Triplex piston pump with solid shaft and horizontal hydraulic drive flange. Oil bath lubrication. Max flow rate 18.5 gpm at 1,450 RPM. 1 in FNPT intake and NPT discharge connections. Suitable for industrial pressure washing systems
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Triplex piston pump with solid shaft and horizontal hydraulic drive flange. Oil bath lubrication. Max flow rate 18.5 gpm at 1,450 RPM. 1 in FNPT intake and NPT discharge connections. Suitable for industrial pressure washing systems
This belt-driven pressure washer pump features a triplex piston design and oil bath lubrication for continuous-duty operation. It has a direct-mount hollow shaft with a NEMA 182-184 flange, powered by an electric motor. The pump includes an FNPT intake connection and an NPT discharge connection. Typical applications include industrial cleaning systems requiring a steady, high-pressure water supply
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This belt-driven pressure washer pump features a triplex piston design and oil bath lubrication for continuous-duty operation. It has a direct-mount hollow shaft with a NEMA 182-184 flange, powered by an electric motor. The pump includes an FNPT intake connection and an NPT discharge connection. Typical applications include industrial cleaning systems requiring a steady, high-pressure water supply
Direct-mount belt-driven triplex piston pump with hollow shaft and gas engine flange. Features oil bath lubrication, FNPT intake, and NPT discharge. Designed for pressure washing applications powered by a gasoline engine
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Direct-mount belt-driven triplex piston pump with hollow shaft and gas engine flange. Features oil bath lubrication, FNPT intake, and NPT discharge. Designed for pressure washing applications powered by a gasoline engine
This belt-driven pressure washer pump features a triplex piston design with oil bath lubrication. It has a direct-mount hollow shaft and NEMA 182-184 flange for electric motor connection. The pump includes an FNPT intake and NPT discharge connection, operating at 1750 RPM. Suitable for industrial cleaning and surface preparation applications
A.R. NORTH AMERICA
This belt-driven pressure washer pump features a triplex piston design with oil bath lubrication. It has a direct-mount hollow shaft and NEMA 182-184 flange for electric motor connection. The pump includes an FNPT intake and NPT discharge connection, operating at 1750 RPM. Suitable for industrial cleaning and surface preparation applications
Triplex piston pump with hollow shaft and horizontal hydraulic drive flange. Oil-bath lubrication. Maximum flow rate 4 gpm at 1,450 RPM. Intake 1/2 in FNPT, discharge 3/8 in NPT. For pressure washing systems powered by a hydraulic source
A.R. NORTH AMERICA
Triplex piston pump with hollow shaft and horizontal hydraulic drive flange. Oil-bath lubrication. Maximum flow rate 4 gpm at 1,450 RPM. Intake 1/2 in FNPT, discharge 3/8 in NPT. For pressure washing systems powered by a hydraulic source

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Brass unloader valve for commercial use. Maximum operating pressure of 4,060 psi. Overall height of 4 3/8 inches. Used to relieve excess pressure in fluid systems, protecting downstream components
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Brass unloader valve for commercial use. Maximum operating pressure of 4,060 psi. Overall height of 4 3/8 inches. Used to relieve excess pressure in fluid systems, protecting downstream components