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Half Coupling 3/4'' NPT A350 LF2 Class 3000

Półmufa 3/4'' NPT P355NH A350 LF2 kl.3000

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Dispatched within: 24 hours

Gross price: €4.59

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Vendor: LAME

Product code: 13200A

Description

Half Coupling 3/4'' NPT A350 LF2 Class 3000

Size: 3/4'' (thread diameter: 24.1–24.5 mm)
Thread type: NPT (tapered)
Material: ASTM A350 LF2 carbon steel
Suitable for low-temperature service
Suitable for welding
Pressure class: Class 3000 (206 bar)
Operating temperature: -46°C to +343°C
Charpy impact tested at -46°C
Width (W): 35 mm
Length (D): 26 mm
3.1 material certificate available on request (free of charge)
Origin: European Union

Alternative Name: Half Coupling 3/4'' NPT A350 LF2 Class 3000, threaded half coupling, NPT half coupling, weld-on half coupling, forged half coupling, pressure coupling, carbon steel coupling, NPT threaded fitting.

Information

Half Coupling 3/4'' NPT A350 LF2 Class 3000 is a forged high-pressure threaded fitting designed for welding into pressure piping systems. It provides a reliable NPT threaded branch connection while maintaining excellent mechanical strength and leak-tight performance.

Manufactured from ASTM A350 LF2 carbon steel, this fitting is intended for low-temperature service and is impact tested at -46°C. Each fitting is permanently marked with its size, pressure class, material grade, and heat number to ensure full traceability.

Material

Material: ASTM A350 LF2 carbon steel
Suitable for low-temperature service
Operating temperature: -46°C to +343°C
Charpy impact tested at -46°C
Excellent weldability
High mechanical strength
3.1 material certificate available on request (free of charge)
Origin: European Union

Comparable grades: P355NL1, P355NH, P355QH, L360NB, 1.0566, 1.0562, ASTM A420 WPL6, ASTM A333 Grade 6, StE355.

Manufacturing Standards

PED 97/23/EC
ISO 9001
ASME B16.11
BS 3799
ANSI/ASME B1.20.1
MR0175 / ISO 15156
MSS SP-25

Note: Due to the tapered NPT thread design, the thread is not machined through the entire coupling.

Advantages

Suitable for low-temperature service
High-pressure threaded connection
Excellent weldability
High mechanical strength
Reliable sealing
Long service life
Manufactured for Class 3000 (206 bar) systems

Applications

Industrial installations, pressure vessels, industrial machinery, hydraulic systems, outdoor piping, oil and gas transmission, refineries, petrochemical plants, and other high-pressure process systems.

We also offer half couplings in many other sizes and materials. If you have any questions, please contact us. Call +48 63 261 42 02 or email biuro@polberis.pl.

Learn more about half couplings here >>

Technical data

Coupling Type	Half Coupling
Material	Carbon Steel
Pressure	Pressure Range 101–250 bar
Connection 1	3/4''
Thread Type – Connection 1	NPT Thread
Connection 2	3/4''
Thread Type – Connection 2	For Welding

Safety