Is the GE-BT screw connection, stainless steel, compatible with anaerobic thread sealants instead of PTFE tape for BSPT threads?

Yes. The GE-BT screw connection, stainless steel (24Â° DIN 2353 socket with external metric thread and external BSPT thread), is specified for sealing on the thread using either Teflon (PTFE) tape or an anaerobic sealant. That means anaerobic thread sealants are compatible alternatives to PTFE tape for BSPT threads on this connection, provided the chosen anaerobic product is suitable for stainless steel (AISI 316), BSPT tapered threads, the operating temperature and pressure of your application, and any media compatibility requirements. Follow the sealant manufacturerâs instructions for cure time, application amount, and assembly torque to ensure proper sealing and to avoid overstressing the connection. Also maintain the DIN 2353 assembly practices and the specified safety factor (2.5:1).

Can GE-BT screw connection, stainless steel, maintain pressure rating when BSPT threads are sealed with PTFE tape versus anaerobic sealant?

Yes - GE-BT screw connection, stainless steel (AISI 316) can maintain its pressure rating when BSPT threads are sealed with either PTFE (Teflon) tape or an anaerobic sealant, provided installation follows DIN 2353 guidance and torque/spec recommendations. DIN 2353 explicitly allows thread sealing on BSPT threads with PTFE tape or anaerobic sealant for the GE-BT type (24Â° socket with external metric and BSPT threads; seal on the thread). The connectionâs safety factor of 2.5:1 and available series (LL, L, S) remain valid if correct sealing material, proper application (avoid over- or under-wrapping tape; apply anaerobic sealant per manufacturer cure/torque instructions), and compatible media/temperature conditions are observed. For critical or high-temperature/chemical service, validate sealant compatibility and perform pressure testing per your project requirements.

Can GE-BT screw connection, stainless steel, tolerate repeated assembly/disassembly when BSPT threads are sealed with PTFE tape?

Yes, with limitations. GE-BT screw connection, stainless steel (AISI 316) can tolerate some repeated assembly/disassembly when the BSPT threads are sealed with PTFE (Teflon) tape, but repeated cycles will gradually degrade the seal quality and may affect joint reliability. Key points: - Design and materials: GE-BT is a 24Â° DIN 2353 socket with external metric thread and external BSPT thread; made of AISI 316 stainless steel and manufactured to a safety factor of 2.5:1 in LL, L and S series. The BSPT thread is intended to be sealed on the thread (Teflon tape or anaerobic sealant). - PTFE tape behavior: PTFE tape provides a mechanical/pressure-tight seal by filling gaps and acting as a lubricant. It can perform well for initial assembly and a limited number of reassemblies, but tape layers compress, shred or extrude under torque and pressure. Each disassembly typically removes or scatters tape, requiring reapplication for reliable resealing. - Repeated use risks: Repeated assembly/disassembly increases risk of: - Loss of thread engagement and torque control due to residual tape remnants. - Thread damage or galling (although AISI 316 is corrosion-resistant, stainless threads can gall if inadequate lubrication or high torque occurs). - Progressive leakage if tape is not correctly reapplied or if threads become slightly deformed. - Best practice: - If you must reassemble, fully remove old PTFE tape and clean threads, then apply fresh tape correctly (wrap in thread direction, sufficient layers, avoid tape entering bore). - Inspect threads for damage or wear; replace components if threads are rounded, scored or show signs of galling. - Consider using an anaerobic thread sealant for multiple service cyclesâsome anaerobic products cure in place and provide more durable reseals, though they may be harder to disassemble later. - Observe torque limits for the appropriate series (LL, L, S) to avoid overstressing or galling. - Recommendation: For critical or high-pressure applications where repeated assembly/disassembly is expected, prefer either fresh PTFE tape each time with thread inspection or switch to a more robust sealing method (re-apply anaerobic sealant suitable for disassembly or use fittings designed for repeated use).

GE-BT screw connection, stainless steel

Additional information

Material	SS – stainless steel

DIN 2353 screw connection, type GE-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: AISI 316 steel.

List of product variants

Article number	Product variant name	Nominal inner diameter	Working pressure [bar]
HD-GE-06L-BT-02-SS	DIN 2353 fitting GE 6L 1/8" BSPT, AISI 316	-	315
HD-GE-06L-BT-04-SS	DIN 2353 fitting GE 6L 1/4" BSPT, AISI 316	-	315
HD-GE-06L-BT-06-SS	DIN 2353 fitting GE 6L 3/8" BSPT, AISI 316	-	315
HD-GE-06LL-BT-02-SS	DIN 2353 fitting GE 6LL 1/8" BSPT, AISI 316	-	100
HD-GE-06S-BT-04-SS	DIN 2353 connector GE 6S 1/4" BSPT, AISI 316	-	630
HD-GE-08L-BT-02-SS	DIN 2353 connector GE 8L 1/8" BSPT, AISI 316	-	315
HD-GE-08L-BT-04-SS	DIN 2353 fitting GE 8L 1/4" BSPT, AISI 316	-	315
HD-GE-08L-BT-06-SS	DIN 2353 fitting GE 8L 3/8" BSPT, AISI 316	-	315
HD-GE-08L-BT-08-SS	DIN 2353 fitting GE 8L 1/2" BSPT, AISI 316	-	315
HD-GE-08S-BT-04-SS	DIN 2353 fitting GE 8S 1/4" BSPT, AISI 316	-	630
HD-GE-10L-BT-02-SS	DIN 2353 connector GE 10L 1/8" BSPT, AISI 316	-	315
HD-GE-10L-BT-04-SS	DIN 2353 connector GE 10L 1/4" BSPT, AISI 316	-	315
HD-GE-10L-BT-06-SS	DIN 2353 fitting GE 10L 3/8" BSPT, AISI 316	-	315
HD-GE-10L-BT-08-SS	DIN 2353 fitting GE 10L 1/2" BSPT, AISI 316	-	315
HD-GE-10S-BT-06-SS	DIN 2353 fitting GE 10S 3/8" BSPT, AISI 316	-	630
HD-GE-12L-BT-04-SS	DIN 2353 fitting GE 12L 1/4" BSPT, AISI 316	-	315
HD-GE-12L-BT-06-SS	DIN 2353 fitting GE 12L 3/8" BSPT, AISI 316	-	315
HD-GE-12L-BT-08-SS	DIN 2353 fitting GE 12L 1/2" BSPT, AISI 316	-	315
HD-GE-12S-BT-06-SS	DIN 2353 fitting GE 12S 3/8" BSPT, AISI 316	-	630
HD-GE-12S-BT-08-SS	DIN 2353 connector GE 12S 1/2" BSPT, AISI 316	-	630
HD-GE-14S-BT-08-SS	DIN 2353 fitting GE 14S 1/2" BSPT, AISI 316	-	630
HD-GE-15L-BT-04-SS	DIN 2353 fitting GE 15L 1/4" BSPT, AISI 316	-	315
HD-GE-15L-BT-06-SS	DIN 2353 fitting GE 15L 3/8" BSPT, AISI 316	-	315
HD-GE-15L-BT-08-SS	DIN 2353 fitting GE 15L 1/2" BSPT, AISI 316	-	315
HD-GE-16S-BT-06-SS	DIN 2353 fitting GE 16S 3/8" BSPT, AISI 316	-	400
HD-GE-16S-BT-08-SS	DIN 2353 fitting GE 16S 1/2" BSPT, AISI 316	-	400
HD-GE-18L-BT-06-SS	DIN 2353 fitting GE 18L 3/8" BSPT, AISI 316	-	315
HD-GE-18L-BT-08-SS	DIN 2353 fitting GE 18L 1/2" BSPT, AISI 316	-	315
HD-GE-18L-BT-12-SS	DIN 2353 fitting GE 18L 3/4" BSPT, AISI 316	-	160
HD-GE-20S-BT-12-SS	DIN 2353 fitting GE 20S 3/4" BSPT, AISI 316	-	400
HD-GE-22L-BT-12-SS	DIN 2353 fitting GE 22L 3/4" BSPT, AISI 316	-	160
HD-GE-25S-BT-16-SS	DIN 2353 fitting GE 25S 1" BSPT, AISI 316	-	160
HD-GE-28L-BT-16-SS	DIN 2353 fitting GE 28L 1" BSPT, AISI 316	-	160
HD-GE-30S-BT-20-SS	DIN 2353 fitting GE 30S 1.1/4" BSPT, AISI 316	-	160
HD-GE-35L-BT-20-SS	DIN 2353 fitting GE 35L 1.1/4" BSPT, AISI 316	-	160
HD-GE-42L-BT-24-SS	DIN 2353 fitting GE 42L 1.1/2" BSPT, AISI 316	-	160

DIN 2353 screw connection, type GE-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: AISI 316 steel.