We ship to the Philippines — door-to-door, customs and logistics handled by 3G Electric

3G Electric
RFQ CartGet a QuoteSign inSign up
PARKER Metal Pipe Straight: Straight, Carbon Steel, 1/2 in x 1/4 in - Threaded Instrumentation Extreme-Pressure Pipe Fittings
PARKERThreaded Instrumentation Extreme-Pressure Pipe Fittings

PARKER Metal Pipe Straight: Straight, Carbon Steel, 1/2 in x 1/4 in

The PARKER Metal Pipe Straight is a threaded instrumentation extreme-pressure pipe fitting, type adapter, in carbon steel with a pipe size of 1/2 in x 1/4 in and a maximum operating pressure of 5,500 psi (MPN 8-4…

SKU 3G-OTH-474732

Brand
PARKER
Item
Metal Pipe Straight: Straight, Carbon Steel, 1/2 in x 1/4 in
Category
Threaded Instrumentation Extreme-Pressure Pipe Fittings
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineer
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

Technical Specifications

PARKER
Manufacturer Part Number
8-4 RA-S
Type
Carbon Steel, 1/2 in x 1/4 in, 5,500 psi
Connector Type
Adapter
Fitting Pipe Size
1/2 in x 1/4 in
Pipe Fitting Material
Carbon Steel
Maximum Operating Pressure
5,500 psi
(DO NOT SEND) Manufacturer Location
Globally Sourced
View Full Spec Sheet

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 instrumentation extreme-pressure pipe fitting, type adapter, in carbon steel with a pipe size of 1/2 in x 1/4 in and a maximum operating pressure of 5,500 psi (MPN 8-4 RA-S). 3G Electric interprets this demand, sources the genuine PARKER fitting, and supports your procurement across 14 industrial departments — with specialist depth in combustion, pumps and controls as an authorised distributor.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

What is the PARKER 8-4 RA-S metal pipe straight used for?

The PARKER 8-4 RA-S is a threaded instrumentation extreme-pressure pipe fitting used to connect or adapt carbon steel tubing in high-pressure hydraulic and pneumatic systems, typically in industrial processing, oil and gas, and power generation applications.

What are the specifications of the PARKER 8-4 RA-S pipe fitting?

The PARKER 8-4 RA-S is a carbon steel adapter with a pipe size of 1/2 in x 1/4 in and a maximum operating pressure of 5,500 psi. It is a straight connector designed for threaded instrumentation extreme-pressure systems.

Where to buy PARKER 8-4 RA-S pipe fittings worldwide?

3G Electric supplies genuine PARKER 8-4 RA-S pipe fittings worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us to order this carbon steel adapter for your extreme-pressure instrumentation needs.

How to select the correct PARKER pipe fitting for extreme pressure?

To select the correct PARKER fitting, match the pipe size (e.g., 1/2 in x 1/4 in), material (carbon steel), and maximum operating pressure (5,500 psi) to your system requirements. Verify thread type and ensure compatibility with your instrumentation setup.

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 instrumentation extreme-pressure 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 →
PARKER Metal Pipe Straight: Straight, Carbon Steel, 3/8 in x 1/4 in, 5,600 psi (MPN 6-4 RA-S). Key specifications — Pipe Fitting Material: Carbon Steel; Brand: PARKER; Maximum Operating Pressure: 5,600 psi; Connector Type: Adapter; (DO NOT SEND) Manufacturer Location: Globally Sourced; Fitting Pipe Size: 3/8 in x 1/4 in.
PARKER
PARKER Metal Pipe Straight: Straight, Carbon Steel, 3/8 in x 1/4 in, 5,600 psi (MPN 6-4 RA-S). Key specifications — Pipe Fitting Material: Carbon Steel; Brand: PARKER; Maximum Operating Pressure: 5,600 psi; Connector Type: Adapter; (DO NOT SEND) Manufacturer Location: Globally Sourced; Fitting Pipe Size: 3/8 in x 1/4 in.
PARKER Metal Pipe Straight: Straight, Carbon Steel, 1/2 in x 1/4 in, 7,000 psi (MPN 8-4 MHN-S). Key specifications — Pipe Fitting Material: Carbon Steel; Brand: PARKER; Maximum Operating Pressure: 7,000 psi; (DO NOT SEND) Manufacturer Location: Globally Sourced; Fitting Pipe Size: 1/2 in x 1/4 in.
PARKER
PARKER Metal Pipe Straight: Straight, Carbon Steel, 1/2 in x 1/4 in, 7,000 psi (MPN 8-4 MHN-S). Key specifications — Pipe Fitting Material: Carbon Steel; Brand: PARKER; Maximum Operating Pressure: 7,000 psi; (DO NOT SEND) Manufacturer Location: Globally Sourced; Fitting Pipe Size: 1/2 in x 1/4 in.
PARKER Metal Pipe Tee: Tee, Carbon Steel, 1/2 in x 1/2 in x 1/2 in, 4,800 psi (MPN 8-8-8 ST-S). Key specifications — Pipe Fitting Material: Carbon Steel; Brand: PARKER; Maximum Operating Pressure: 4,800 psi; Connector Type: Adapter; (DO NOT SEND) Manufacturer Location: Globally Sourced; Fitting Pipe Size: 1/2 in x 1/2 in x 1/2 in.
PARKER
PARKER Metal Pipe Tee: Tee, Carbon Steel, 1/2 in x 1/2 in x 1/2 in, 4,800 psi (MPN 8-8-8 ST-S). Key specifications — Pipe Fitting Material: Carbon Steel; Brand: PARKER; Maximum Operating Pressure: 4,800 psi; Connector Type: Adapter; (DO NOT SEND) Manufacturer Location: Globally Sourced; Fitting Pipe Size: 1/2 in x 1/2 in x 1/2 in.
PARKER Plug: Solid Hex Drive Plug, Carbon Steel, 1/2 in, NPT Threaded, 7,000 psi (MPN 8 PH-S). Key specifications — Pipe Fitting Material: Carbon Steel; Brand: PARKER; Maximum Operating Pressure: 7,000 psi; (DO NOT SEND) Manufacturer Location: Globally Sourced.
PARKER
PARKER Plug: Solid Hex Drive Plug, Carbon Steel, 1/2 in, NPT Threaded, 7,000 psi (MPN 8 PH-S). Key specifications — Pipe Fitting Material: Carbon Steel; Brand: PARKER; Maximum Operating Pressure: 7,000 psi; (DO NOT SEND) Manufacturer Location: Globally Sourced.
PARKER Plug: Solid Hex Drive Plug, Carbon Steel, 1/8 in, NPT Threaded, 9,700 psi (MPN 2 PH-S). Key specifications — Pipe Fitting Material: Carbon Steel; Brand: PARKER; Maximum Operating Pressure: 9,700 psi; (DO NOT SEND) Manufacturer Location: Globally Sourced.
PARKER
PARKER Plug: Solid Hex Drive Plug, Carbon Steel, 1/8 in, NPT Threaded, 9,700 psi (MPN 2 PH-S). Key specifications — Pipe Fitting Material: Carbon Steel; Brand: PARKER; Maximum Operating Pressure: 9,700 psi; (DO NOT SEND) Manufacturer Location: Globally Sourced.
PARKER Metal Pipe Straight: Straight, Carbon Steel, 1/2 in x 3/8 in, 4,900 psi (MPN 8-6 RB-S). Key specifications — Pipe Fitting Material: Carbon Steel; Brand: PARKER; Maximum Operating Pressure: 4,900 psi; Connector Type: Bushing; (DO NOT SEND) Manufacturer Location: Globally Sourced; Fitting Pipe Size: 1/2 in x 3/8 in.
PARKER
PARKER Metal Pipe Straight: Straight, Carbon Steel, 1/2 in x 3/8 in, 4,900 psi (MPN 8-6 RB-S). Key specifications — Pipe Fitting Material: Carbon Steel; Brand: PARKER; Maximum Operating Pressure: 4,900 psi; Connector Type: Bushing; (DO NOT SEND) Manufacturer Location: Globally Sourced; Fitting Pipe Size: 1/2 in x 3/8 in.
PARKER Metal Pipe Straight: Straight, Carbon Steel, 1/2 in x 1/2 in, 5,500 psi (MPN 8-8 FHC-S). Key specifications — Pipe Fitting Material: Carbon Steel; Brand: PARKER; Maximum Operating Pressure: 5,500 psi; Connector Type: Coupling; (DO NOT SEND) Manufacturer Location: Globally Sourced; Fitting Pipe Size: 1/2 in x 1/2 in.
PARKER
PARKER Metal Pipe Straight: Straight, Carbon Steel, 1/2 in x 1/2 in, 5,500 psi (MPN 8-8 FHC-S). Key specifications — Pipe Fitting Material: Carbon Steel; Brand: PARKER; Maximum Operating Pressure: 5,500 psi; Connector Type: Coupling; (DO NOT SEND) Manufacturer Location: Globally Sourced; Fitting Pipe Size: 1/2 in x 1/2 in.
PARKER Metal Pipe Straight: Straight, Carbon Steel, 1/4 in x 1/4 in, 8,000 psi (MPN 4-4 MHN-S). Key specifications — Pipe Fitting Material: Carbon Steel; Brand: PARKER; Maximum Operating Pressure: 8,000 psi; (DO NOT SEND) Manufacturer Location: Globally Sourced; Fitting Pipe Size: 1/4 in x 1/4 in.
PARKER
PARKER Metal Pipe Straight: Straight, Carbon Steel, 1/4 in x 1/4 in, 8,000 psi (MPN 4-4 MHN-S). Key specifications — Pipe Fitting Material: Carbon Steel; Brand: PARKER; Maximum Operating Pressure: 8,000 psi; (DO NOT SEND) Manufacturer Location: Globally Sourced; Fitting Pipe Size: 1/4 in x 1/4 in.