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Fitting (Perm) Thermo NPTF

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Description & Features

The Fitting (Perm) Thermo NPTF by Danfoss Power Solutions provides unmatched durability with its innovative design. Engineered for superior performance this fitting extends the life of hose assemblies.

With Dura-Kote plating it offers exceptional corrosion resistance making it reliable in tough environments. This carbon steel fitting has a 0.25 inch NPTF male end and is compatible with a variety of line hose and tube applications.

Designed without adjustable or ratcheting features it ensures a secure and permanent connection. The product width is 0.83 inches tailored to fit seamlessly into industrial settings.

Supplier Part Number: 4TA4MP4

Specifications

Brand
Synflex Optimum by Danfoss
a Dimensions
2.03 in
Compatible Hose ID
1/4 in
Connection Size 1
1/4 in
Connection Size 2
1/4 in
Connection Type
Hose, MNPT
Connection Type 1
Hose
Connection Type 2
Male NPTF
Construction Style
Crimp
Cut-Off Factor
1.14 in
Dimensions
2.03 in L x 0.826 in W x 0.826 in H
End Gender 1
Male
End Size 1
1/4 in
Finish
Dura-Kote™
Fitting Type
Hose Fitting
For Use With
3TR18CT, 3TR8, 3TR8N, 3TR7 and 3TR7N Series Hoses
Hex Size
0.55 in
Hose Dash Size
04
Inside Diameter
0.17 in
Material
Steel
Material Construction
Carbon Steel
Series
4T Series
Thread Sealant
Without Thread Sealant
Thread Size
1/4-18
Thread Type
NPTF

Product Questions & Answers (3)

Question by: Bonnie H on Jun 29, 2025, 11:49 AM
Hey, can you tell me a bit more about what this Fitting Perm Thermo NPTF actually is? Like, is it for hydraulic lines or what?
Answer by: Customer Support on Jul 1, 2025, 6:51 AM
It's a permanent fitting made for thermoplastic hoses with NPTF threading, meant for secure connections in hydraulic systems.
Question by: Hank W on Apr 15, 2025, 10:48 AM
What exactly is a permanent thermoplastic NPTF fitting used for?
Answer by: Customer Support on Apr 17, 2025, 6:19 AM
Permanent thermoplastic NPTF fittings create sealed connections in hydraulic systems where you need the threads to lock together without the option to easily disconnect later. The NPTF thread design forms a metal-to-metal seal that's tighter than regular NPT threads, making it suitable for higher pressure applications where leakage isn't acceptable.
Question by: Hugh W on May 28, 2025, 8:54 AM
How does the Thermo NPTF fitting hold up in high-temperature environments?
Answer by: Customer Support on May 30, 2025, 6:29 AM
The Thermo NPTF fitting is specifically crafted for durability in high-temperature conditions, ensuring reliable performance where heat resistance is crucial.

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