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PARKERThreaded Extreme-Pressure Instrumentation Pipe Fittings

PARKER Metal Pipe Straight: Straight, Brass, 3/4 in x 3/4 in

The PARKER Metal Pipe Straight is a threaded extreme-pressure instrumentation pipe fitting, type brass, 3/4 in x 3/4 in, with Male NPT Threaded x Male NPT Threaded connections (MPN 12-12 MHLN-B 4.0). It has a maximum…

SKU 3G-OTH-464109

Also listed as: 1212MHLNB40 · 12 12 MHLN B 4 0 · 12-12-MHLN-B-4-0

Brand
PARKER
Item
Metal Pipe Straight: Straight, Brass, 3/4 in x 3/4 in
Category
Threaded Extreme-Pressure Instrumentation Pipe Fittings
Available to Order
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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
12-12 MHLN-B 4.0
Type
Brass, 3/4 in x 3/4 in, Male NPT Threaded x Male NPT Threaded
Maximum Operating Pressure
3,800 psi

Technical Documents

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

Product Description

The PARKER Metal Pipe Straight is a threaded extreme-pressure instrumentation pipe fitting, type brass, 3/4 in x 3/4 in, with Male NPT Threaded x Male NPT Threaded connections (MPN 12-12 MHLN-B 4.0). It has a maximum operating pressure of 3,800 psi.

Frequently Asked Questions

What is the PARKER 12-12 MHLN-B 4.0 metal pipe straight used for?

This PARKER threaded extreme-pressure instrumentation pipe fitting connects two male NPT threaded pipes in a straight line. It is used in high-pressure hydraulic, pneumatic, and instrumentation systems where reliable, leak-free connections are critical, such as in industrial process control and fluid power applications.

What are the specifications of the PARKER metal pipe straight 3/4 in?

The PARKER metal pipe straight is a brass fitting with 3/4 in x 3/4 in male NPT threaded connections on both ends. Its maximum operating pressure is 3,800 psi. The manufacturer part number is 12-12 MHLN-B 4.0. It is designed for extreme-pressure instrumentation systems.

Where to buy PARKER 12-12 MHLN-B 4.0 pipe fittings worldwide?

3G Electric supplies and delivers the PARKER 12-12 MHLN-B 4.0 metal pipe straight to customers worldwide. We handle full logistics, customs clearance, and delivery coordination, ensuring you receive genuine PARKER threaded extreme-pressure instrumentation fittings for your industrial applications.

How to install a PARKER male NPT threaded pipe fitting?

Apply a suitable thread sealant or PTFE tape to the male NPT threads, then hand-tighten the PARKER fitting into the mating female port. Use a wrench to tighten an additional one to two turns, avoiding overtightening. Always follow manufacturer guidelines for torque and pressure ratings to ensure a leak-free seal.

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.

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