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

PARKER Metal Pipe Straight: Bushing, Brass, 1/2 in x 1/4 in - Threaded Extreme-Pressure Instrumentation Pipe Fittings
PARKERThreaded Extreme-Pressure Instrumentation Pipe Fittings

PARKER Metal Pipe Straight: Bushing, Brass, 1/2 in x 1/4 in

The PARKER Metal Pipe Straight: Bushing (MPN 8-4 RB-B) is a threaded extreme-pressure instrumentation pipe fitting in brass, with a 1/2 in x 1/4 in Male NPT Threaded x Female NPT Threaded configuration and a maximum…

SKU 3G-OTH-464083

Brand
PARKER
Item
Metal Pipe Straight: Bushing, Brass, 1/2 in x 1/4 in
Category
Threaded Extreme-Pressure Instrumentation 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 RB-B
Type
Brass, 1/2 in x 1/4 in, Male NPT Threaded x Female NPT Threaded
Maximum Operating Pressure
3,900 psi
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: Bushing (MPN 8-4 RB-B) is a threaded extreme-pressure instrumentation pipe fitting in brass, with a 1/2 in x 1/4 in Male NPT Threaded x Female NPT Threaded configuration and a maximum operating pressure of 3,900 psi.

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 RB-B bushing used for?

The PARKER 8-4 RB-B is a threaded extreme-pressure instrumentation pipe fitting used to reduce line size in high-pressure hydraulic or pneumatic systems. It connects a 1/2 in male NPT to a 1/4 in female NPT port, handling up to 3,900 psi in brass construction.

What are the specifications of the PARKER 8-4 RB-B bushing?

The PARKER 8-4 RB-B is a brass bushing with 1/2 in male NPT threaded x 1/4 in female NPT threaded ends. Its maximum operating pressure is 3,900 psi. The manufacturer part number is 8-4 RB-B, and it is designed for extreme-pressure instrumentation applications.

Where to buy PARKER 8-4 RB-B bushing worldwide?

3G Electric supplies the PARKER 8-4 RB-B bushing worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us to order this brass extreme-pressure fitting for your instrumentation system.

How to install a PARKER 8-4 RB-B bushing?

To install the PARKER 8-4 RB-B bushing, apply thread sealant to the male NPT threads and hand-tighten into the female port. Use a wrench to snug the fitting to the recommended torque, avoiding overtightening. Always verify pressure rating compatibility with your system before installation.

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
PARKER
PARKER
PARKER Metal Pipe Straight: Straight, Brass, 3/4 in x 3/4 in, Male NPT Threaded x Male NPT Threaded (MPN 12-12 MHLN-B 4.0). Key specifications — Maximum Operating Pressure: 3,800 psi.
PARKER Metal Pipe Straight: Straight, Brass, 3/4 in x 1/2 in, Male NPT Threaded x Male NPT Threaded (MPN 12-8 MHN-B). Key specifications — Maximum Operating Pressure: 3,800 psi.
PARKER
PARKER Metal Pipe Straight: Straight, Brass, 3/4 in x 1/2 in, Male NPT Threaded x Male NPT Threaded (MPN 12-8 MHN-B). Key specifications — Maximum Operating Pressure: 3,800 psi.
PARKER Metal Pipe Straight: Straight, Brass, 3/8 in x 1/8 in, 3,500 psi, 1 1/4 in Lg (MPN 6-2 RA-B). Key specifications — Maximum Operating Pressure: 3,500 psi.
PARKER
PARKER Metal Pipe Straight: Straight, Brass, 3/8 in x 1/8 in, 3,500 psi, 1 1/4 in Lg (MPN 6-2 RA-B). Key specifications — Maximum Operating Pressure: 3,500 psi.
PARKER
PARKER
PARKER Metal Pipe Straight: Straight, Brass, 3/8 in x 3/8 in, Male NPT Threaded x Male NPT Threaded (MPN 6-6 MHLN-B 3.0). Key specifications — Maximum Operating Pressure: 4,000 psi.
PARKER Metal Pipe Straight: Straight, Brass, 1/8 in x 1/8 in, 4,000 psi, 1 1/32 in Lg (MPN 2-2 RA-B). Key specifications — Maximum Operating Pressure: 4,000 psi.
PARKER
PARKER Metal Pipe Straight: Straight, Brass, 1/8 in x 1/8 in, 4,000 psi, 1 1/32 in Lg (MPN 2-2 RA-B). Key specifications — Maximum Operating Pressure: 4,000 psi.
PARKER Plug: Solid Plug, Bright C36000 Brass, 1/2 in, NPT Threaded, 3,900 psi, 31/32 in Lg (MPN 8 PH-B). Key specifications — Maximum Operating Pressure: 3,900 psi.
PARKER
PARKER Plug: Solid Plug, Bright C36000 Brass, 1/2 in, NPT Threaded, 3,900 psi, 31/32 in Lg (MPN 8 PH-B). Key specifications — Maximum Operating Pressure: 3,900 psi.
PARKER
PARKER
PARKER Metal Pipe Straight: Straight, Brass, 1/2 in x 1/2 in, Male NPT Threaded x Male NPT Threaded (MPN 8-8 MHLN-B 3.5). Key specifications — Maximum Operating Pressure: 3,900 psi.
PARKER Metal Pipe Straight: Straight, Brass, 1/2 in x 1/2 in, Male NPT Threaded x Male NPT Threaded (MPN 8-8 MHN-B). Key specifications — Maximum Operating Pressure: 3,900 psi.
PARKER
PARKER Metal Pipe Straight: Straight, Brass, 1/2 in x 1/2 in, Male NPT Threaded x Male NPT Threaded (MPN 8-8 MHN-B). Key specifications — Maximum Operating Pressure: 3,900 psi.