Is the GE-NT screw connection, carbon steel compatible with NPT threads sealed using PTFE tape or anaerobic sealant while maintaining a 2.5:1 safety factor?

Yes. The GE-NT screw connection, carbon steel is specified as a 24Â° DIN 2353 socket with external metric thread and external NPT thread, with the thread seal explicitly allowed using PTFE (Teflon) tape or an anaerobic sealant. The data states a safety factor of 2.5:1 and that the part is available in light (L) and heavy (S) series, made of galvanized carbon steel. Therefore, when installed per the manufacturerâs instructions and within the rated pressure/torque limits for the chosen series and material, sealing the NPT threads with PTFE tape or an anaerobic sealant is compatible while maintaining the stated 2.5:1 safety factor. Ensure proper thread preparation, correct amount/application of sealant, and adherence to the installation torque and pressure ratings for the selected series to preserve the specified safety margin.

Can GE-NT screw connection, carbon steel maintain the 2.5:1 safety factor when used with external NPT threads sealed by PTFE tape or anaerobic sealant?

Yes. GE-NT screw connection, carbon steel can maintain the specified 2.5:1 safety factor when used with external NPT threads sealed by PTFE tape or an anaerobic sealant, provided the fitting is installed per DIN 2353 recommendations and manufacturer torque/assembly instructions are followed. The 24Â° DIN 2353 sealing face (socket) provides the primary metal-to-metal pressure seal; the NPT thread with PTFE tape or anaerobic sealant serves only as a secondary thread sealant and is not relied upon for structural load. Ensure correct series (L or S) for system pressure and application, use appropriate torque to avoid overstress or leakage, and verify compatibility with carbon steel, galvanizing, and the chosen sealant. Regular inspection and pressure testing are recommended.

Does GE-NT screw connection, carbon steel retain its 2.5:1 safety factor when NPT threads are sealed with PTFE tape or anaerobic sealant?

Yes. the GE-NT screw connection, carbon steel retains its 2.5:1 safety factor when NPT threads are sealed with PTFE (Teflon) tape or an appropriate anaerobic sealant, provided installation and product limits are respected. Explanation (concise): - The DIN 2353 description for GE-NT explicitly states the NPT thread is sealed on the thread with Teflon tape or anaerobic sealant, and the connection is specified with a 2.5:1 safety factor. That indicates the design rating already accounts for thread sealing by those common methods. - Important conditions: the connection must be assembled according to manufacturer/DIN 2353 instructions (correct torque, thread engagement, and sealing method), the part must be the specified material and series (carbon steel, galvanized; L or S as applicable), and operating pressures/temperatures must not exceed rated values. - Use only compatible anaerobic sealants (suitable for steel, hydraulic/fluid media, and operating temperature) and apply PTFE tape correctly (wrap direction, appropriate thickness, avoid overfill that alters thread engagement). - Do not mix incompatible sealants, overtighten or reuse damaged fittings; doing so can reduce the effective safety margin. If you need, provide manufacturer torque/data sheet or installation steps to ensure retaining the 2.5:1 factor.

Fitting screw-in GE-NT, carbon steel

Additional information

Material	CS – steel (cast iron)

Fitting DIN 2353 screw-in, type GE-NT: 24° DIN 2353 socket with metric male thread and with NPT male thread (sealing on the thread – PTFE tape or anaerobic sealant). Safety factor 2.5:1. Available as: L (series light), S (series heavy). Material: carbon steel, galvanized.

List of product variants

Article number	Product variant name	DN	BAR	Availability	Actions
HD-GE-06L-NT-02	Fitting DIN 2353 GE 6L 1/8" NPT	-	315	In stock	Enquiry
HD-GE-06S-NT-04	Fitting DIN 2353 GE 6S 1/4" NPT	-	630	In stock	Enquiry
HD-GE-08L-NT-04	Fitting DIN 2353 GE 8L 1/4" NPT	-	315	In stock	Enquiry
HD-GE-08S-NT-04	Fitting DIN 2353 GE 8S 1/4" NPT	-	630	In stock	Enquiry
HD-GE-10L-NT-04	Fitting DIN 2353 GE 10L 1/4" NPT	-	315	In stock	Enquiry
HD-GE-10S-NT-06	Fitting DIN 2353 GE 10S 3/8" NPT	-	630	In stock	Enquiry
HD-GE-12L-NT-06	Fitting DIN 2353 GE 12L 3/8" NPT	-	315	In stock	Enquiry
HD-GE-12L-NT-08	Fitting DIN 2353 GE 12L 1/2" NPT	-	315	In stock	Enquiry
HD-GE-12S-NT-06	Fitting DIN 2353 GE 12S 3/8" NPT	-	630	In stock	Enquiry
HD-GE-14S-NT-08	Fitting DIN 2353 GE 14S 1/2" NPT	-	630	In stock	Enquiry
HD-GE-15L-NT-08	Fitting DIN 2353 GE 15L 1/2" NPT	-	315	In stock	Enquiry
HD-GE-16S-NT-08	Fitting DIN 2353 GE 16S 1/2" NPT	-	400	In stock	Enquiry
HD-GE-18L-NT-08	Fitting DIN 2353 GE 18L 1/2" NPT	-	315	In stock	Enquiry
HD-GE-18L-NT-12	Fitting DIN 2353 GE 18L 3/4" NPT	-	315	In stock	Enquiry
HD-GE-20S-NT-12	Fitting DIN 2353 GE 20S 3/4" NPT	-	400	In stock	Enquiry
HD-GE-22L-NT-12	Fitting DIN 2353 GE 22L 3/4" NPT	-	160	In stock	Enquiry
HD-GE-25S-NT-16	Fitting DIN 2353 GE 25S 1" NPT	-	400	In stock	Enquiry
HD-GE-28L-NT-16	Fitting DIN 2353 GE 28L 1" NPT	-	160	In stock	Enquiry
HD-GE-30S-NT-20	Fitting DIN 2353 GE 30S 1.1/4" NPT	-	400	In stock	Enquiry
HD-GE-35L-NT-20	Fitting DIN 2353 GE 35L 1.1/4" NPT	-	160	In stock	Enquiry
HD-GE-38S-NT-24	Fitting DIN 2353 GE 38S 1.1/2" NPT	-	400	In stock	Enquiry
HD-GE-42L-NT-24	Fitting DIN 2353 GE 42L 1.1/2" NPT	-	160	In stock	Enquiry

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Fitting DIN 2353 screw-in, type GE-NT: 24° DIN 2353 socket with metric male thread and with NPT male thread (sealing on the thread – PTFE tape or anaerobic sealant). Safety factor 2.5:1. Available as: L (series light), S (series heavy). Material: carbon steel, galvanized.