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

Parker C820S High-Pressure Check Valve, Steel, SAE O-Ring Boss - High-Pressure Check Valves
ParkerHigh-Pressure Check Valves

Parker C820S High-Pressure Check Valve, Steel, SAE O-Ring Boss

The PARKER Flow Check Valve (MPN C820S) is a high-pressure check valve with a steel body and SAE O-Ring Boss connections on both inlet and outlet. It is rated for 5,000 psi and 8 gpm with a #8 port size.

SKU 3G-OTH-169388

Brand
Parker
Item
C820S High-Pressure Check Valve, Steel, SAE O-Ring Boss
Category
High-Pressure Check 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
C820S
Body Material
Steel
Inlet Connection Type
SAE O-Ring Boss
Outlet Connection Type
SAE O-Ring Boss

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 Flow Check Valve (MPN C820S) is a high-pressure check valve with a steel body and SAE O-Ring Boss connections on both inlet and outlet. It is rated for 5,000 psi and 8 gpm with a #8 port size.

Frequently Asked Questions

What is the PARKER C820S flow check valve used for?

The PARKER C820S flow check valve is used in high-pressure hydraulic systems to allow fluid flow in one direction and prevent backflow. It is commonly applied in industrial machinery, mobile equipment, and fluid power circuits where reliable sealing and pressure control are required.

What are the specifications of the PARKER C820S check valve?

The PARKER C820S is a steel-body check valve rated for 5,000 psi and 8 gpm. It has #8 SAE O-Ring Boss connections on both inlet and outlet. The manufacturer part number is C820S. These specifications make it suitable for demanding hydraulic applications.

Where to buy the PARKER C820S check valve worldwide?

You can source the PARKER C820S check 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 high-pressure check valve.

How to install the PARKER C820S check valve?

Install the PARKER C820S check valve by connecting the SAE O-Ring Boss ports to matching hydraulic lines using appropriate O-rings and torque specifications. Ensure flow direction matches the arrow on the valve body. Always follow standard hydraulic system best practices for sealing and pressure testing.

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 high-pressure check 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
Steel-bodied check valve with SAE O-Ring Boss connections on inlet and outlet. Rated for 5000 psi and 15 gpm with #10 port size. Allows flow in one direction and prevents backflow in hydraulic systems
Parker
Steel-bodied check valve with SAE O-Ring Boss connections on inlet and outlet. Rated for 5000 psi and 15 gpm with #10 port size. Allows flow in one direction and prevents backflow in hydraulic systems
Steel-bodied check valve with #12 SAE O-Ring Boss inlet and outlet connections. Used in hydraulic systems to prevent backflow under high-pressure conditions
Parker
Steel-bodied check valve with #12 SAE O-Ring Boss inlet and outlet connections. Used in hydraulic systems to prevent backflow under high-pressure conditions
PARKER Hydraulic Check Valve: 5,000 psi, 8 gpm, 9/16 in, SAE O-Ring Boss (MPN DT-370-MOMS-5)
Parker
PARKER Hydraulic Check Valve: 5,000 psi, 8 gpm, 9/16 in, SAE O-Ring Boss (MPN DT-370-MOMS-5)
This check valve is designed for high-pressure hydraulic circuits, allowing flow in one direction while preventing backflow. It features a steel body, a 9/16 in SAE O-Ring Boss inlet, and a JIC 37° Flare outlet. Typical applications include industrial machinery, mobile equipment, and hydraulic power units
Parker
This check valve is designed for high-pressure hydraulic circuits, allowing flow in one direction while preventing backflow. It features a steel body, a 9/16 in SAE O-Ring Boss inlet, and a JIC 37° Flare outlet. Typical applications include industrial machinery, mobile equipment, and hydraulic power units
This steel-body check valve allows fluid flow in one direction and prevents backflow in hydraulic systems. It is rated for 5,000 psi and 8 gpm, with an 11/16 in SAE O-Ring Face Seal inlet and SAE O-Ring Boss outlet. Suitable for applications requiring reliable one-way flow control under high pressure
Parker
This steel-body check valve allows fluid flow in one direction and prevents backflow in hydraulic systems. It is rated for 5,000 psi and 8 gpm, with an 11/16 in SAE O-Ring Face Seal inlet and SAE O-Ring Boss outlet. Suitable for applications requiring reliable one-way flow control under high pressure
PARKER Hydraulic Check Valve: 5,000 psi, 8 gpm, 11/16 in, SAE O-Ring Face Seal (MPN DT-370-MSMS-5)
Parker
PARKER Hydraulic Check Valve: 5,000 psi, 8 gpm, 11/16 in, SAE O-Ring Face Seal (MPN DT-370-MSMS-5)

More from Parker

View all Parker parts
This Parker high-pressure check valve features a steel body and is designed for hydraulic systems requiring unidirectional flow control. It has a JIC 37° flare inlet and an SAE O-ring boss outlet, suitable for applications where reliable sealing and prevention of backflow are necessary
Parker
This Parker high-pressure check valve features a steel body and is designed for hydraulic systems requiring unidirectional flow control. It has a JIC 37° flare inlet and an SAE O-ring boss outlet, suitable for applications where reliable sealing and prevention of backflow are necessary
Steel-bodied check valve rated for 5,000 psi and 15 gpm. Inlet is 1-inch SAE O-Ring Face Seal; outlet is SAE O-Ring Boss. Used in hydraulic systems to allow one-direction flow and prevent backflow, common in industrial machinery and mobile equipment
Parker
Steel-bodied check valve rated for 5,000 psi and 15 gpm. Inlet is 1-inch SAE O-Ring Face Seal; outlet is SAE O-Ring Boss. Used in hydraulic systems to allow one-direction flow and prevent backflow, common in industrial machinery and mobile equipment
Steel body check valve with 3/8-inch NPT inlet and outlet connections. Rated for 5,000 psi. Allows flow in one direction only, preventing backflow in hydraulic systems
Parker
Steel body check valve with 3/8-inch NPT inlet and outlet connections. Rated for 5,000 psi. Allows flow in one direction only, preventing backflow in hydraulic systems
This high-pressure check valve from Parker allows fluid flow in one direction only, preventing backflow in hydraulic systems. It features a steel body, a 1 1/16 in SAE O-Ring Boss inlet, and a JIC 37° Flare outlet. Suitable for use in industrial machinery, mobile equipment, and hydraulic power units
Parker
This high-pressure check valve from Parker allows fluid flow in one direction only, preventing backflow in hydraulic systems. It features a steel body, a 1 1/16 in SAE O-Ring Boss inlet, and a JIC 37° Flare outlet. Suitable for use in industrial machinery, mobile equipment, and hydraulic power units
This Parker high-pressure check valve features a steel body and is designed for hydraulic systems to permit flow in one direction while preventing backflow. It has a 1 5/8 in SAE O-Ring Boss inlet and a JIC 37° Flare outlet connection. Typical applications include industrial machinery and mobile equipment requiring unidirectional flow control
Parker
This Parker high-pressure check valve features a steel body and is designed for hydraulic systems to permit flow in one direction while preventing backflow. It has a 1 5/8 in SAE O-Ring Boss inlet and a JIC 37° Flare outlet connection. Typical applications include industrial machinery and mobile equipment requiring unidirectional flow control
Steel-bodied check valve for hydraulic systems, rated for 3,500 psi and 15 gpm. Inlet connection is 7/8 in JIC 37° Flare; outlet is SAE O-Ring Boss. Allows flow in one direction and prevents backflow in industrial machinery, mobile equipment, and hydraulic power units
Parker
Steel-bodied check valve for hydraulic systems, rated for 3,500 psi and 15 gpm. Inlet connection is 7/8 in JIC 37° Flare; outlet is SAE O-Ring Boss. Allows flow in one direction and prevents backflow in industrial machinery, mobile equipment, and hydraulic power units
This Parker high-pressure check valve allows hydraulic fluid to flow in one direction only, preventing backflow in systems up to 3,500 psi and 15 gpm. The steel body provides strength for demanding applications. It features a 7/8-inch SAE O-Ring Boss inlet and a JIC 37° Flare outlet connection
Parker
This Parker high-pressure check valve allows hydraulic fluid to flow in one direction only, preventing backflow in systems up to 3,500 psi and 15 gpm. The steel body provides strength for demanding applications. It features a 7/8-inch SAE O-Ring Boss inlet and a JIC 37° Flare outlet connection
Steel-bodied check valve with SAE O-Ring Boss connections on inlet and outlet. Rated for 5000 psi and 5 gpm with #6 port size. Allows flow in one direction and prevents backflow in hydraulic circuits
Parker
Steel-bodied check valve with SAE O-Ring Boss connections on inlet and outlet. Rated for 5000 psi and 5 gpm with #6 port size. Allows flow in one direction and prevents backflow in hydraulic circuits