Is the WE-BT angle screw connection, carbon steel, suitable for use with anaerobic sealant on the BSPT external thread while maintaining the 2.5:1 safety factor?

Yes. The WE-BT angle screw connection, carbon steel (24Â° DIN 2353 socket with external metric thread and external BSPT thread) is specified for sealing on the BSPT external thread with Teflon tape or anaerobic sealant. The product description explicitly allows anaerobic sealant on the BSPT external thread and lists a safety factor of 2.5:1. Therefore using an anaerobic thread sealant on the BSPT external thread of the WE-BT angle screw connection, carbon steel is acceptable while maintaining the 2.5:1 safety factor, provided installation follows manufacturer torque/assembly instructions and materials are compatible with the chosen sealant and service conditions (pressure, temperature, media).

Can WE-BT angle screw connection, carbon steel, use Teflon tape on the BSPT external thread without affecting the 2.5:1 safety factor?

Yes. For the WE-BT angle screw connection, carbon steel, DIN 2353 specifies sealing on the external BSPT thread may be done with Teflon (PTFE) tape or an anaerobic sealant. Using PTFE tape for sealing does not change the specified 2.5:1 safety factor, provided installation follows the manufacturerâs torque and thread engagement instructions, tape is applied correctly (not over-applied to avoid loss of metal-to-metal thread engagement), and the fitting series (LL, L, S) and material (carbon steel, galvanized) limits are respected.

Can WE-BT angle screw connection, carbon steel, with BSPT external thread be used in LL/L/S series under the 2.5:1 safety factor?

Yes. WE-BT angle screw connection, carbon steel, with BSPT external thread can be used in LL/L/S series under a 2.5:1 safety factor, with the following conditions and clarifications: 1. Standard & sealing - The fitting is a 24Â° DIN 2353 type WE-BT (socket with external metric thread and external BSPT thread) and seals on the thread (requires Teflon tape or anaerobic sealant). Ensure correct thread sealing method for BSPT (tapered thread) to achieve pressure-tight joint. 2. Material and finish - Material is carbon steel, galvanized. Confirm compatibility of galvanization and sealing compound with the media and operating temperature to avoid corrosion or seal failure. 3. Series suitability (LL, L, S) - DIN 2353 WE-BT fittings are produced for LL (very light), L (light) and S (heavy) series. Each series has defined working pressure and allowable stresses; verify the specific size and series rating for the required operating pressure. Under the stated safety factor 2.5:1, the working pressure of the chosen series must be â¤ (manufacturerâs proof/ultimate pressure) Ã· 2.5 or must meet the seriesâ specified maximum working pressure already calculated with that safety factor. 4. Verification steps (required before use) - Confirm the exact fitting size and corresponding pressure rating for the selected LL/L/S series from manufacturer/DIN 2353 tables. - Ensure the BSPT thread engagement length and correct torque are used per DIN 2353 recommendations. - Verify media, temperature, and cyclical loading; if aggressive media, high temp, vibration or pulsation exist, prefer L or S series over LL. - Check manufacturer guidance for using BSPT on WE-BT. some applications prefer parallel metric thread with 24Â° seat; BSPT requires thread-sealant and may change load distributionâconfirm with supplier if rated for same series pressures. - Perform assembly and pressure testing per relevant standards. Conclusion Technically acceptable provided the selected WE-BT BSPT fitting size and series (LL, L or S) meet the required working pressure when applying the 2.5:1 safety factor, proper sealing for BSPT is used, and verification steps above are completed. If uncertainty remains, obtain manufacturer confirmation for the specific size/series and application.

WE-BT angle screw connection, carbon steel

Additional information

Material	CS – steel (cast iron)

DIN 2353 angular screw fitting, type WE-BT: 24° DIN 2353 socket with external metric thread and external BSPT thread (seal on the thread – with Teflon tape or anaerobic sealant). Safety factor 2.5:1. Available as: LL (very light series), L (light series), S (heavy series). Material: carbon steel, galvanized.

List of product variants

Article number	Product variant name	DN	BAR	Availability	Actions
HD-WE-04LL-BT-02	DIN 2353 fitting WE 4LL 1/8" BSPT	-	100	In stock	Enquiry
HD-WE-06L-BT-02	DIN 2353 fitting WE 6L 1/8" BSPT	-	315	In stock	Enquiry
HD-WE-06L-BT-04	DIN 2353 fitting WE 6L 1/4" BSPT	-	315	In stock	Enquiry
HD-WE-06LL-BT-02	DIN 2353 fitting WE 6LL 1/8" BSPT	-	100	In stock	Enquiry
HD-WE-06S-BT-04	DIN 2353 fitting WE 6S 1/4" BSPT	-	630	In stock	Enquiry
HD-WE-08L-BT-02	DIN 2353 fitting WE 8L 1/8" BSPT	-	315	In stock	Enquiry
HD-WE-08L-BT-04	DIN 2353 fitting WE 8L 1/4" BSPT	-	315	In stock	Enquiry
HD-WE-08L-BT-06	DIN 2353 fitting WE 8L 3/8" BSPT	-	315	In stock	Enquiry
HD-WE-08L-BT-08	DIN 2353 fitting WE 8L 1/2" BSPT	-	315	In stock	Enquiry
HD-WE-08S-BT-04	DIN 2353 fitting WE 8S 1/4" BSPT	-	630	In stock	Enquiry
HD-WE-10L-BT-02	DIN 2353 fitting WE 10L 1/8" BSPT	-	315	In stock	Enquiry
HD-WE-10L-BT-04	DIN 2353 fitting WE 10L 1/4" BSPT	-	315	In stock	Enquiry
HD-WE-10L-BT-06	DIN 2353 fitting WE 10L 3/8" BSPT	-	315	In stock	Enquiry
HD-WE-10L-BT-08	DIN 2353 fitting WE 10L 1/2" BSPT	-	315	In stock	Enquiry
HD-WE-10S-BT-06	DIN 2353 fitting WE 10S 3/8" BSPT	-	630	In stock	Enquiry
HD-WE-12L-BT-04	DIN 2353 fitting WE 12L 1/4" BSPT	-	315	In stock	Enquiry
HD-WE-12L-BT-06	DIN 2353 fitting WE 12L 3/8" BSPT	-	315	In stock	Enquiry
HD-WE-12L-BT-08	DIN 2353 fitting WE 12L 1/2" BSPT	-	315	In stock	Enquiry
HD-WE-12S-BT-06	DIN 2353 fitting WE 12S 3/8" BSPT	-	630	In stock	Enquiry
HD-WE-12S-BT-08	DIN 2353 fitting WE 12S 1/2" BSPT	-	630	In stock	Enquiry
HD-WE-14S-BT-06	DIN 2353 fitting WE 14S 3/8" BSPT	-	630	In stock	Enquiry
HD-WE-14S-BT-08	DIN 2353 fitting WE 14S 1/2" BSPT	-	630	In stock	Enquiry
HD-WE-15L-BT-06	DIN 2353 fitting WE 15L 3/8" BSPT	-	315	In stock	Enquiry
HD-WE-15L-BT-08	DIN 2353 fitting WE 15L 1/2" BSPT	-	315	In stock	Enquiry
HD-WE-16S-BT-06	DIN 2353 fitting WE 16S 3/8" BSPT	-	400	In stock	Enquiry
HD-WE-16S-BT-08	DIN 2353 fitting WE 16S 1/2" BSPT	-	400	In stock	Enquiry
HD-WE-18L-BT-08	DIN 2353 fitting WE 18L 1/2" BSPT	-	315	In stock	Enquiry
HD-WE-18L-BT-12	DIN 2353 fitting WE 18L 3/4" BSPT	-	315	In stock	Enquiry
HD-WE-20S-BT-08	DIN 2353 fitting WE 20S 1/2" BSPT	-	400	In stock	Enquiry
HD-WE-20S-BT-12	DIN 2353 fitting WE 20S 3/4" BSPT	-	400	In stock	Enquiry
HD-WE-22L-BT-12	DIN 2353 fitting WE 22L 3/4" BSPT	-	160	In stock	Enquiry
HD-WE-25S-BT-12	DIN 2353 fitting WE 25S 3/4" BSPT	-	400	In stock	Enquiry
HD-WE-25S-BT-16	DIN 2353 fitting WE 25S 1" BSPT	-	400	In stock	Enquiry
HD-WE-28L-BT-16	DIN 2353 fitting WE 28L 1" BSPT	-	160	In stock	Enquiry
HD-WE-30S-BT-16	DIN 2353 fitting WE 30S 1" BSPT	-	400	In stock	Enquiry
HD-WE-30S-BT-20	DIN 2353 fitting WE 30S 1.1/4" BSPT	-	400	In stock	Enquiry
HD-WE-35L-BT-20	DIN 2353 fitting WE 35L 1.1/4" BSPT	-	160	In stock	Enquiry
HD-WE-38S-BT-24	DIN 2353 fitting WE 38S 1.1/2" BSPT	-	315	In stock	Enquiry
HD-WE-42L-BT-24	DIN 2353 fitting WE 35L 1.1/2" BSPT	-	160	In stock	Enquiry

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DIN 2353 angular screw fitting, type WE-BT: 24° DIN 2353 socket with external metric thread and external BSPT thread (seal on the thread – with Teflon tape or anaerobic sealant). Safety factor 2.5:1. Available as: LL (very light series), L (light series), S (heavy series). Material: carbon steel, galvanized.