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

PARKER 4-4 RA-B Brass Threaded Extreme-Pressure Instrumentation - Threaded Extreme-Pressure Instrumentation Pipe Fittings
PARKERThreaded Extreme-Pressure Instrumentation Pipe Fittings

PARKER 4-4 RA-B Brass Threaded Extreme-Pressure Instrumentation

The PARKER Metal Pipe Straight is a threaded extreme-pressure instrumentation pipe fitting, model 4-4 RA-B, made of brass with 1/4 in x 1/4 in connections and a maximum operating pressure of 4,300 psi. It measures 1…

SKU 3G-OTH-464060

Also listed as: 44RAB · 4 4 RA B · 4-4-RA-B

Brand
PARKER
Item
4-4 RA-B Brass Threaded Extreme-Pressure Instrumentation
Category
Threaded Extreme-Pressure Instrumentation Pipe Fittings
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
4-4 RA-B
Type
Brass, 1/4 in x 1/4 in, 4,300 psi
Lg
1 25/64 in
Maximum Operating Pressure
4,300 psi

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 Metal Pipe Straight is a threaded extreme-pressure instrumentation pipe fitting, model 4-4 RA-B, made of brass with 1/4 in x 1/4 in connections and a maximum operating pressure of 4,300 psi. It measures 1 25/64 in in length and is designed for straight pipe connections in high-pressure systems.

Frequently Asked Questions

What is the PARKER 4-4 RA-B metal pipe straight used for?

The PARKER 4-4 RA-B is a threaded extreme-pressure instrumentation pipe fitting used for straight connections in high-pressure hydraulic or pneumatic systems. It is made of brass, rated to 4,300 psi, and suits applications requiring reliable sealing and corrosion resistance in instrumentation lines.

What are the specifications of the PARKER 4-4 RA-B pipe fitting?

The PARKER 4-4 RA-B is a brass straight pipe fitting with 1/4 in x 1/4 in connections, a maximum operating pressure of 4,300 psi, and a length of 1 25/64 in. It is designed for threaded extreme-pressure instrumentation applications and carries the manufacturer part number 4-4 RA-B.

Where to buy PARKER 4-4 RA-B pipe fittings worldwide?

3G Electric supplies the PARKER 4-4 RA-B pipe fitting worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to deliver this brass extreme-pressure fitting to your facility. Contact us for availability and lead time.

How to install a PARKER 4-4 RA-B brass pipe fitting?

Install the PARKER 4-4 RA-B by applying thread sealant to male NPT threads and hand-tightening, then using a wrench for an additional 1-2 turns. Avoid over-torquing brass fittings to prevent cracking. Ensure system pressure does not exceed 4,300 psi and verify leak-free operation before service.

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 threaded extreme-pressure instrumentation pipe fittings. 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

More from PARKER

View all PARKER parts
Threaded extreme-pressure instrumentation pipe fitting for sealing unused ports in high-pressure hydraulic and pneumatic systems. Made from Bright C36000 brass with 1/8 in NPT threads, 9/16 in length, rated to 5600 psi
PARKER
Threaded extreme-pressure instrumentation pipe fitting for sealing unused ports in high-pressure hydraulic and pneumatic systems. Made from Bright C36000 brass with 1/8 in NPT threads, 9/16 in length, rated to 5600 psi
This brass pipe fitting connects two 3/8 in pipes in a straight line for extreme-pressure instrumentation systems. Rated for 3,500 psi maximum operating pressure, it is suitable for high-pressure fluid handling in industrial applications. The 1 1/8 in length provides a compact connection
PARKER
This brass pipe fitting connects two 3/8 in pipes in a straight line for extreme-pressure instrumentation systems. Rated for 3,500 psi maximum operating pressure, it is suitable for high-pressure fluid handling in industrial applications. The 1 1/8 in length provides a compact connection
This brass straight pipe fitting is designed for extreme-pressure instrumentation systems requiring secure metal-to-metal connections. With a 3/4 in x 1/2 in size and 1 15/16 in length, it is rated for a maximum operating pressure of 3,000 psi. Suitable for hydraulic, pneumatic, and process control applications where reliable, leak-free connections are critical
PARKER
This brass straight pipe fitting is designed for extreme-pressure instrumentation systems requiring secure metal-to-metal connections. With a 3/4 in x 1/2 in size and 1 15/16 in length, it is rated for a maximum operating pressure of 3,000 psi. Suitable for hydraulic, pneumatic, and process control applications where reliable, leak-free connections are critical
This brass hex nipple is a threaded extreme-pressure instrumentation pipe fitting with a 1/4 in x 1/8 in pipe size and 1 1/4 in length. Rated for a maximum operating pressure of 4,100 psi, it is used to connect pipes of different sizes in high-pressure hydraulic or pneumatic systems
PARKER
This brass hex nipple is a threaded extreme-pressure instrumentation pipe fitting with a 1/4 in x 1/8 in pipe size and 1 1/4 in length. Rated for a maximum operating pressure of 4,100 psi, it is used to connect pipes of different sizes in high-pressure hydraulic or pneumatic systems
This brass straight pipe fitting is designed for threaded extreme-pressure instrumentation systems. With 1/4 in x 1/8 in connections and a maximum operating pressure of 4,300 psi, it is used in high-pressure fluid systems such as hydraulic controls, test stands, and process instrumentation
PARKER
This brass straight pipe fitting is designed for threaded extreme-pressure instrumentation systems. With 1/4 in x 1/8 in connections and a maximum operating pressure of 4,300 psi, it is used in high-pressure fluid systems such as hydraulic controls, test stands, and process instrumentation
This bright brass pipe tee is a threaded extreme-pressure instrumentation fitting with three 1/4 in connections. Rated for 3000 psi maximum operating pressure, it is used to branch or combine fluid lines in high-pressure hydraulic, pneumatic, and instrumentation systems
PARKER
This bright brass pipe tee is a threaded extreme-pressure instrumentation fitting with three 1/4 in connections. Rated for 3000 psi maximum operating pressure, it is used to branch or combine fluid lines in high-pressure hydraulic, pneumatic, and instrumentation systems
This 90° elbow is a threaded extreme-pressure instrumentation pipe fitting made of brass. It has 1/8 in male NPT threaded connections on both ends and is rated for a maximum operating pressure of 5,000 psi. Used to change flow direction in high-pressure fluid systems
PARKER
This 90° elbow is a threaded extreme-pressure instrumentation pipe fitting made of brass. It has 1/8 in male NPT threaded connections on both ends and is rated for a maximum operating pressure of 5,000 psi. Used to change flow direction in high-pressure fluid systems
Brass straight pipe fitting with 1/8 in male and female connections, rated for 4,000 psi maximum operating pressure. Used in hydraulic and pneumatic systems for connecting two pipes of the same size in high-pressure instrumentation applications
PARKER
Brass straight pipe fitting with 1/8 in male and female connections, rated for 4,000 psi maximum operating pressure. Used in hydraulic and pneumatic systems for connecting two pipes of the same size in high-pressure instrumentation applications