We ship worldwide — Singapore, Australia, Malaysia, Indonesia, Philippines, India, Middle East & more

3G Electric
RFQ CartGet a QuoteSign inSign up
Parker Pressure Regulating Valve: Pressure, Two-Way, 0 psi to 20 psi - Pressure-Actuated Water Regulating Valves
ParkerPressure-Actuated Water Regulating Valves

Parker Pressure Regulating Valve: Pressure, Two-Way, 0 psi to 20 psi

The PARKER Pressure Regulating Valve (SKU 3G-OTH-72343) is a pressure-actuated water regulating valve with a brass body, designed for use with R-404A refrigerant. It is a two-way valve with an opening pressure range…

SKU 3G-OTH-72343

Also listed as: CRO4020BLACK4X4ODFWS · CRO 4 0 20 BLACK 4X4 ODF WS · CRO-4-0-20-BLACK-4X4-ODF-WS

Brand
Parker
Item
Pressure Regulating Valve: Pressure, Two-Way, 0 psi to 20 psi
Category
Pressure-Actuated Water Regulating Valves
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support

Delivery
Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

Parker
Manufacturer Part Number
CRO-4-0/20-BLACK-4X4 ODF WS
Type
Two-Way, 0 psi to 20 psi
Female Sweat
3/8 in
Body Material
Brass
Opening Pressure
0 psi to 20 psi
For Refrigerant Type
R-404A

Technical Documents

No technical documents available for this product.
Request documentation →
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

Parker Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The PARKER Pressure Regulating Valve (SKU 3G-OTH-72343) is a pressure-actuated water regulating valve with a brass body, designed for use with R-404A refrigerant. It is a two-way valve with an opening pressure range of 0 psi to 20 psi and features a 3/8 in Female Sweat connection (MPN CRO-4-0/20-BLACK-4X4 ODF WS).

Frequently Asked Questions

What is the PARKER Pressure Regulating Valve used for?

The PARKER Pressure Regulating Valve is used in refrigeration systems to control water flow based on refrigerant pressure. It is designed for R-404A systems, maintaining proper head pressure by modulating water through the condenser. Common in commercial refrigeration and HVAC applications.

What are the specifications of the PARKER CRO-4-0/20-BLACK-4X4 ODF WS?

This PARKER valve is a two-way, pressure-actuated water regulating valve with a brass body. It has an opening pressure range of 0 psi to 20 psi and a 3/8 in Female Sweat connection. It is designed for R-404A refrigerant and carries MPN CRO-4-0/20-BLACK-4X4 ODF WS.

Where to buy the PARKER Pressure Regulating Valve worldwide?

3G Electric supplies the PARKER Pressure Regulating Valve worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us to source this valve for your refrigeration system.

How to install a PARKER pressure-actuated water regulating valve?

Install the PARKER valve in the water line to the condenser, ensuring the 3/8 in Female Sweat connection is properly brazed. Adjust the opening pressure (0 psi to 20 psi) using the adjustment stem to match system requirements. Always follow standard refrigeration piping practices and check for leaks.

Used in

Common applications for Parker
Injection molding machine proportional directional control — Parker solenoid coils and proportional valve cartridges for mold-closing and hydraulic actuation circuits
Construction equipment hydraulic steering and boom control — Parker directional control valves with solenoid actuation for excavator and loader hydraulic systems
Industrial press forming systems — Parker pressure-relief and proportional directional valves for tonnage control and cycle sequencing
Material-handling conveyor systems — Parker proportional control valves with solenoid pilot stages for smooth load acceleration and deceleration
Tire-building machinery — Parker solenoid-actuated directional cartridges for synchronized multi-axis hydraulic positioning
Forestry and mobile equipment — Parker valve spools and solenoid assemblies rated for harsh-environment hydraulic circuits and mobile-duty pressure cycling

Parker Products

3G Electric supplies Parker pressure-actuated water regulating valves. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

You might also need

Burners & Combustion →Pumps & Compressors →Spare Parts →All Products →

Compatible alternatives & equivalents

Cross-referenced by specification & description
PARKER Head Pressure Control: 180 psi, (C) 5/8 in Female Sweat, (R) 5/8 in Female Sweat (MPN OROA-5 180-5/8 BLACK WS)
Parker
PARKER Head Pressure Control: 180 psi, (C) 5/8 in Female Sweat, (R) 5/8 in Female Sweat (MPN OROA-5 180-5/8 BLACK WS)
PARKER Head Pressure Control: 30 psi to 100 psi, (C) 5/8 in Female Sweat, (R) 5/8 in Female Sweat (MPN ORIT-6-30/100 NP 5 ODF WS)
Parker
PARKER Head Pressure Control: 30 psi to 100 psi, (C) 5/8 in Female Sweat, (R) 5/8 in Female Sweat (MPN ORIT-6-30/100 NP 5 ODF WS)
PARKER Head Pressure Control: 30 psi to 100 psi, (C) 7/8 in Female Sweat, (R) 7/8 in Female Sweat (MPN ORIT-6-30/100 NP 7 ODF WS)
Parker
PARKER Head Pressure Control: 30 psi to 100 psi, (C) 7/8 in Female Sweat, (R) 7/8 in Female Sweat (MPN ORIT-6-30/100 NP 7 ODF WS)
PARKER Head Pressure Control: 210 psi, (C) 3/8 in Female Sweat, (R) 3/8 in Female Sweat (MPN LAC-4 210 3X3X3 ODF LS_BLACK)
Parker
PARKER Head Pressure Control: 210 psi, (C) 3/8 in Female Sweat, (R) 3/8 in Female Sweat (MPN LAC-4 210 3X3X3 ODF LS_BLACK)
PARKER Head Pressure Control: 180 psi, (C) 1/2 in Female Sweat, (R) 3/8 in Female Sweat (MPN LAC-4-180-3/8 ODF LS BLACK)
Parker
PARKER Head Pressure Control: 180 psi, (C) 1/2 in Female Sweat, (R) 3/8 in Female Sweat (MPN LAC-4-180-3/8 ODF LS BLACK)
PARKER Head Pressure Control: 100 psi, (C) 1/2 in Female Sweat, (R) 1/2 in Female Sweat (MPN LAC-4-100-1/2 ODF LS BLACK)
Parker
PARKER Head Pressure Control: 100 psi, (C) 1/2 in Female Sweat, (R) 1/2 in Female Sweat (MPN LAC-4-100-1/2 ODF LS BLACK)

More from Parker

View all Parker parts →
PARKER Pressure Regulating Valve: Pressure, Three-Way, 0 psi to 60 psi, 3/8 in Female Sweat (MPN CROT-10-0/60 NP 11 ODF WS)
Parker
PARKER Pressure Regulating Valve: Pressure, Three-Way, 0 psi to 60 psi, 3/8 in Female Sweat (MPN CROT-10-0/60 NP 11 ODF WS)
PARKER Pressure Regulating Valve: Pressure, Two-Way, 7/8 in Female Sweat Pipe Connection (MPN ADRHE-6 0/80 7 ODF PARKER)
Parker
PARKER Pressure Regulating Valve: Pressure, Two-Way, 7/8 in Female Sweat Pipe Connection (MPN ADRHE-6 0/80 7 ODF PARKER)
PARKER Pressure Regulating Valve: Pressure, Two-Way, 5/8 in Female Sweat Pipe Connection (MPN ADRPE-3 0/80 5 ODF PARKER)
Parker
PARKER Pressure Regulating Valve: Pressure, Two-Way, 5/8 in Female Sweat Pipe Connection (MPN ADRPE-3 0/80 5 ODF PARKER)