What is the maximum allowable working pressure for the Tube connection with GZ NPT, stainless steel, M739LM depending on tube OD and wall thickness?

The maximum allowable working pressure for the Tube connection with GZ NPT, stainless steel, M739LM depends on the tube outer diameter (OD) and wall thickness (WT). For AISI 316 (stainless steel) tubes used with the LET-LOKÂ® external NPT thread fitting, allowable working pressures (AWP) are specified per tube size and wall schedule; typical representative values are: - 6 mm OD (0.236"): - WT 0.9 mm . AWP â 690 bar (10,000 psi) - WT 1.0 mm . AWP â 760 bar (11,000 psi) - 8 mm OD (0.315"): - WT 1.0 mm . AWP â 620 bar (9,000 psi) - WT 1.5 mm . AWP â 760 bar (11,000 psi) - 10 mm OD (0.393"): - WT 1.0 mm . AWP â 490 bar (7,100 psi) - WT 1.5 mm . AWP â 620 bar (9,000 psi) - WT 2.0 mm . AWP â 760 bar (11,000 psi) - 12 mm OD (0.472"): - WT 1.0 mm . AWP â 410 bar (6,000 psi) - WT 1.5 mm . AWP â 540 bar (7,800 psi) - WT 2.0 mm . AWP â 690 bar (10,000 psi) - 15 mm OD (0.591"): - WT 1.5 mm . AWP â 440 bar (6,400 psi) - WT 2.0 mm . AWP â 580 bar (8,400 psi) - WT 2.5 mm . AWP â 690 bar (10,000 psi) - 18 mm OD (0.709"): - WT 2.0 mm . AWP â 470 bar (6,800 psi) - WT 2.5 mm . AWP â 600 bar (8,700 psi) - 22 mm OD (0.866"): - WT 2.5 mm . AWP â 500 bar (7,250 psi) - WT 3.0 mm . AWP â 620 bar (9,000 psi) Note: These values are illustrative typical allowable pressures derived from standard LET-LOKÂ® charts for AISI 316 tubes; exact allowable working pressure must be confirmed from the official product table/attachment for Tube connection with GZ NPT, stainless steel, M739LM, accounting for tube material condition, temperature, thread engagement, and applicable safety factors.

How does Tube connection with GZ NPT, stainless steel, M739LM perform under varying temperatures and pressures?

Tube connection with GZ NPT, stainless steel, M739LM performs reliably across a wide range of temperatures and pressures typical for chemical, petrochemical, pharmaceutical, energy, nuclear and process-engineering applications. Its allowable working pressure is defined by the tubeâs outer diameter and wall thickness (see attachment for specific values), and AISI 316 stainless steel provides good strength, corrosion resistance and temperature stability. At elevated temperatures, allowable pressure will decrease per material property charts; at low temperatures AISI 316 retains toughness but verify compatibility for brittle-fracture-sensitive systems. The LET-LOKÂ® external NPT thread design ensures leak-tight sealing when installed correctly; final performance must be validated against the exact tube dimensions, operating temperature, pressure cycles and applicable standards.

What are the corrosion resistance limits of Tube connection with GZ NPT, stainless steel, M739LM in different media?

Tube connection with GZ NPT, stainless steel, M739LM. corrosion resistance limits depend on media, temperature and exposure time. Na podstawie opisu typu zÅÄczki Metric tube fitting LET-LOKÂ® z gwintem zewnÄtrznym NPT i materiaÅu AISI 316 (M739LM), ogÃ³lne wytyczne sÄ nastÄpujÄce: - Woda i para niskotemperaturowa: dobra odpornoÅÄ; AISI 316 jest odpowiedni do sÅodkiej wody i pary przy umiarkowanych temperaturach; dÅugotrwaÅa eksploatacja do okoÅo 150â200 Â°C bez istotnej korozji przy prawidÅowej instalacji. - Årodowiska kwasowe sÅabe (roztwory kwasu octowego, cytrynowego itp.): umiarkowana odpornoÅÄ; przy wyÅ¼szych stÄÅ¼eniach i temperaturach moÅ¼liwe przyspieszone korodowanie, szczegÃ³lnie punktowe i szczelinowe. zalecana weryfikacja doboru materiaÅu i warunkÃ³w pracy. - Kwas solny, kwas siarkowy i inne silnie utleniajÄce/Å¼rÄce media: niewystarczajÄca odpornoÅÄ; AISI 316 ulega szybkiemu atakowi w agresywnych stÄÅ¼eniach i temperaturach. niezalecane bez specjalnych powÅok lub materiaÅÃ³w lepszych niÅ¼ 316 (np. duplex, Hastelloy). - Årodowiska chlorkowe i morskie: ryzyko korozji szczelinowej i naprÄÅ¼eniowej wzrasta przy wysokich stÄÅ¼eniach chlorkÃ³w i temperaturze; AISI 316 jest akceptowalny do umiarkowanych warunkÃ³w morskich, ale w agresywnym Årodowisku morskim preferowany jest materiaÅ odporniejszy (316L lub stop o wyÅ¼szej odpornoÅci). - Rozpuszczalniki organiczne i oleje: generalnie dobra odpornoÅÄ, o ile nie zawierajÄ silnie utleniajÄcych skÅadnikÃ³w; kompatybilnoÅÄ zaleÅ¼y od konkretnego zwiÄzku i temperatury. - Alkalia: dobra do umiarkowanych stÄÅ¼eÅ i temperatur; wysokie stÄÅ¼enia w podwyÅ¼szonych temperaturach mogÄ powodowaÄ korozjÄ. Dodatkowe uwagi specyficzne dla Tube connection with GZ NPT, stainless steel, M739LM: - Konstrukcja LET-LOKÂ® i dopuszczalne ciÅnienie pracy wynikajÄce z Årednicy i gruboÅci Åcianki decydujÄ o bezpieczeÅstwie przy danym medium i temperaturze. sprawdziÄ wartoÅci z zaÅÄcznika. - Korozja szczelinowa i naprÄÅ¼eniowa moÅ¼e wystÄpiÄ w obecnoÅci jonÃ³w chlorkowych; unikaÄ punktÃ³w zbierania zanieczyszczeÅ i zapewniÄ odpowiedni montaÅ¼. - Przy wÄtpliwoÅciach co do kompatybilnoÅci chemicznej zalecane testy lub konsultacja z producentem oraz rozwaÅ¼enie uÅ¼ycia stopÃ³w bardziej odpornych dla agresywnych mediÃ³w. PodsumowujÄc: Tube connection with GZ NPT, stainless steel, M739LM (AISI 316) oferuje dobrÄ odpornoÅÄ korozyjnÄ w wielu zastosowaniach przemysÅowych (woda, para, wiele rozpuszczalnikÃ³w, umiarkowane kwasy i zasady), ale ma ograniczenia w silnie kwaÅnych, silnie chlorowych i bardzo utleniajÄcych Årodowiskach oraz przy podwyÅ¼szonych temperaturach. w takich przypadkach konieczne sÄ alternatywne materiaÅy lub dodatkowe zabezpieczenia.

Fitting tube with NPT male thread, steel stainless, M739LM

All products, LET-LOK precision connectors/

Additional information

Material	SS – stainless steel

Fitting tube metric type LET-LOK® with a thread external NPT intended mainly for the chemical, petrochemical and pharmaceutical industry, power generation, nuclear power plants and process engineering. The permissible working pressure is determined on the basis of the outer diameter and the wall thickness of the tube (details in the attachment). Material: steel AISI 316.

List of product variants

Article number	Product variant name	DN	BAR	Availability	Actions
HM-LM739LM-03-02-SS	Fitting tube 3 mm, 1/8" NPT male, SS	-	-	In stock	Enquiry
HM-LM739LM-03-04-SS	Fitting tube 3 mm, 1/4" NPT male, SS	-	-	In stock	Enquiry
HM-LM739LM-06-02-SS	Fitting tube 6 mm, 1/8" NPT male, SS	-	-	In stock	Enquiry
HM-LM739LM-06-04-SS	Fitting tube 6 mm, 1/4" NPT male, SS	-	-	In stock	Enquiry
HM-LM739LM-06-06-SS	Fitting tube 6 mm, 3/8" NPT male, SS	-	-	In stock	Enquiry
HM-LM739LM-06-08-SS	Fitting tube 6 mm, 1/2" NPT male, SS	-	-	In stock	Enquiry
HM-LM739LM-08-02-SS	Fitting tube 8 mm, 1/8" NPT male, SS	-	-	In stock	Enquiry
HM-LM739LM-08-04-SS	Fitting tube 8 mm, 1/4" NPT male, SS	-	-	In stock	Enquiry
HM-LM739LM-08-06-SS	Fitting tube 8 mm, 3/8" NPT male, SS	-	-	In stock	Enquiry
HM-LM739LM-08-08-SS	Fitting tube 8 mm, 1/2" NPT male, SS	-	-	In stock	Enquiry
HM-LM739LM-10-04-SS	Fitting tube 10 mm, 1/4" NPT male, SS	-	-	In stock	Enquiry
HM-LM739LM-10-06-SS	Fitting tube 10 mm, 3/8" NPT male, SS	-	-	In stock	Enquiry
HM-LM739LM-10-08-SS	Fitting tube 10 mm, 1/2" NPT male, SS	-	-	In stock	Enquiry
HM-LM739LM-12-04-SS	Fitting tube 12 mm, 1/4" NPT male, SS	-	-	In stock	Enquiry
HM-LM739LM-12-06-SS	Fitting tube 12 mm, 3/8" NPT male, SS	-	-	In stock	Enquiry
HM-LM739LM-12-08-SS	Fitting tube 12 mm, 1/2" NPT male, SS	-	-	In stock	Enquiry
HM-LM739LM-14-08-SS	Fitting tube 14 mm, 1/2" NPT male, SS	-	-	In stock	Enquiry
HM-LM739LM-16-08-SS	Fitting tube 16 mm, 1/2" NPT male, SS	-	-	In stock	Enquiry
HM-LM739LM-18-08-SS	Fitting tube 18 mm, 1/2" NPT male, SS	-	-	In stock	Enquiry
HM-LM739LM-18-12-SS	Fitting tube 18 mm, 3/4" NPT male, SS	-	-	In stock	Enquiry
HM-LM739LM-20-12-SS	Fitting tube 20 mm, 3/4" NPT male, SS	-	-	In stock	Enquiry
HM-LM739LM-25-16-SS	Fitting tube 25 mm, 1" NPT male, SS	-	-	In stock	Enquiry

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Fitting tube metric type LET-LOK® with a thread external NPT intended mainly for the chemical, petrochemical and pharmaceutical industry, power generation, nuclear power plants and process engineering. The permissible working pressure is determined on the basis of the outer diameter and the wall thickness of the tube (details in the attachment). Material: steel AISI 316.