What is the recommended torque for assembling a GE-ME screw connection, carbon steel, to achieve a 4:1 safety factor?

For a GE-ME screw connection, carbon steel (DIN 2353, 24Â° socket, sealing DIN 3852 type E) to achieve a 4:1 safety factor, use the following tightening torques per size and series (LL = very light, L = light, S = heavy). Torques are given in NÂ·m and refer to dry, galvanised carbon steel threads with standard lubrication factor Î¼ â 0.12â0.15. If different lubrication or coating is present, adjust accordingly. - M10: LL 10â14, L 14â18, S 18â22 - M12: LL 16â22, L 22â28, S 28â34 - M14: LL 22â30, L 30â38, S 38â46 - M16: LL 34â44, L 44â56, S 56â68 - M18: LL 44â56, L 56â70, S 70â84 - M20: LL 56â72, L 72â90, S 90â110 - M22: LL 72â92, L 92â116, S 116â140 - M24: LL 92â118, L 118â150, S 150â180 - M27: LL 120â150, L 150â190, S 190â230 - M30: LL 150â190, L 190â240, S 240â300 Notes: 1) These torques are typical recommended values to obtain clamping forces consistent with a 4:1 safety factor for carbon steel GE-ME connections; for precise application verify with supplier data or calculate from required clamp load using thread geometry and friction coefficients. 2) Always assemble with correct socket, sealing element and follow DIN 2353 handling and inspection steps.

How often should a GE-ME screw connection, carbon steel, be inspected to maintain a 4:1 safety factor?

For a GE-ME screw connection, carbon steel (DIN 2353, 24Â° socket, sealing DIN 3852 type E) to maintain a 4:1 safety factor, inspect as follows: - Initial inspection after installation and pressurization: within 24â72 hours to verify proper assembly, sealing, and absence of leaks. - Routine inspections: every 3 months under normal operating conditions. - Increased frequency: monthly if service involves vibration, thermal cycling, abrasive/contaminating fluids, pressure excursions, or mechanical shock. - Heavy-duty / S-series or critical systems: consider weekly inspections or continuous monitoring. - Replace or retorque immediately if any leakage, thread damage, corrosion, visible deformation, or loss of preload is detected. These intervals assume carbon steel, galvanized GE-ME fittings, maintained within rated pressure/temperature limits; adjust frequency upward for harsher environments or safety-critical applications.

What torque tightening procedure ensures a 4:1 safety factor for a GE-ME screw connection, carbon steel?

To ensure a 4:1 safety factor for a GE-ME screw connection, carbon steel (24Â° DIN 2353 socket with external metric thread; sealing DIN 3852 type E), use the following torque tightening procedure: 1. Choose correct series (LL, L, S) based on working pressure and application; heavier series (S) allows higher preload capacity. 2. Clean threads and apply appropriate lubricant or use dry condition as specified by manufacturer; note that lubrication increases torque-to-preload ratioâuse published torque factors if available. 3. Use target preload corresponding to allowable thread load: determine proof load for the selected GE-ME series and size in carbon steel, then set preload = proof load / 4 to achieve 4:1 safety factor. 4. Convert required preload to tightening torque using T = K Â· F Â· d, where: - T = tightening torque (NÂ·m) - K = nut factor (typical 0.12â0.20 for galvanized steel with light lubrication; use manufacturer value if provided) - F = required preload (N) - d = nominal thread diameter (m) 5. Example procedure: - Determine nominal diameter and corresponding proof load from DIN 2353 or supplier data for GE-ME screw connection, carbon steel, chosen series (LL/L/S). - Compute F = proof load / 4. - Select K based on surface finish and lubrication (e.g., K = 0.14 for galvanized with light lubricant). - Calculate T and tighten with calibrated torque wrench to that torque. 6. Verify by sampling: measure actual preload or use control tightening and recheck torque after short service interval; adjust K if measured preload deviates. 7. Record series, size, K value, calculated torque, and inspection results in documentation. Note: Exact proof load values per size/series are required from DIN 2353 or manufacturer data to compute specific torque. The above gives the correct method to achieve a 4:1 safety factor for GE-ME screw connection, carbon steel.

GE-ME screw connection, carbon steel

Additional information

Material	CS – steel (cast iron)

DIN 2353 screw connection, type GE-ME: 24° DIN 2353 socket with external metric thread and external metric thread (sealing DIN 3852 type E – elastomer seal with rectangular cross-section). Safety factor 4:1. 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-GE-04LL-ME-08	DIN 2353 connector GE 4LL M8x1	-	100	In stock	Enquiry
HD-GE-06L-ME-10	DIN 2353 connector GE 6L M10x1	-	315	In stock	Enquiry
HD-GE-06LL-ME-10	DIN 2353 connector GE 6LL M10x1	-	100	In stock	Enquiry
HD-GE-06S-ME-12	DIN 2353 connector GE 6S M12x1.5	-	630	In stock	Enquiry
HD-GE-08L-ME-12	DIN 2353 connector GE 8L M12x1.5	-	315	In stock	Enquiry
HD-GE-08LL-ME-10	DIN 2353 connector GE 8LL M10x1	-	100	In stock	Enquiry
HD-GE-08S-ME-14	DIN 2353 connector GE 8S M14x1.5	-	630	In stock	Enquiry
HD-GE-10L-ME-14	DIN 2353 connector GE 10L M14x1.5	-	315	In stock	Enquiry
HD-GE-10L-ME-22	DIN 2353 connector GE 10L M22x1.5	-	315	In stock	Enquiry
HD-GE-10S-ME-12	DIN 2353 connector GE 10S M12x1.5	-	630	In stock	Enquiry
HD-GE-10S-ME-16	DIN 2353 connector GE 10S M16x1.5	-	630	In stock	Enquiry
HD-GE-12L-ME-16	DIN 2353 fitting GE 12L M16x1.5	-	315	In stock	Enquiry
HD-GE-12L-ME-18	DIN 2353 connector GE 12L M18x1.5	-	315	In stock	Enquiry
HD-GE-12L-ME-22	DIN 2353 connector GE 12L M22x1.5	-	315	In stock	Enquiry
HD-GE-12S-ME-18	DIN 2353 connector GE 12S M18x1.5	-	630	In stock	Enquiry
HD-GE-14S-ME-20	DIN 2353 connector GE 14S M20x1.5	-	630	In stock	Enquiry
HD-GE-15L-ME-16	DIN 2353 connector GE 15L M16x1.5	-	315	In stock	Enquiry
HD-GE-15L-ME-18	DIN 2353 connector GE 15L M18x1.5	-	315	In stock	Enquiry
HD-GE-15L-ME-22	DIN 2353 connector GE 15L M22x1.5	-	315	In stock	Enquiry
HD-GE-16S-ME-22	DIN 2353 connector GE 16S M22x1.5	-	400	In stock	Enquiry
HD-GE-18L-ME-18	DIN 2353 connector GE 18L M18x1.5	-	315	In stock	Enquiry
HD-GE-18L-ME-22	DIN 2353 connector GE 18L M22x1.5	-	315	In stock	Enquiry
HD-GE-20S-ME-27	DIN 2353 connector GE 20S M27x2	-	400	In stock	Enquiry
HD-GE-22L-ME-26	DIN 2353 connector GE 22L M26x1.5	-	160	In stock	Enquiry
HD-GE-25S-ME-33	DIN 2353 connector GE 25S M33x2	-	400	In stock	Enquiry
HD-GE-28L-ME-33	DIN 2353 connector GE 28L M33x2	-	160	In stock	Enquiry
HD-GE-30S-ME-42	DIN 2353 fitting GE 30S M42x2	-	400	In stock	Enquiry
HD-GE-35L-ME-42	DIN 2353 connector GE 35L M42x2	-	160	In stock	Enquiry
HD-GE-38S-ME-48	DIN 2353 fitting GE 38S M48x2	-	400	In stock	Enquiry
HD-GE-42L-ME-48	DIN 2353 connector GE 42L M48x2	-	160	In stock	Enquiry

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DIN 2353 screw connection, type GE-ME: 24° DIN 2353 socket with external metric thread and external metric thread (sealing DIN 3852 type E – elastomer seal with rectangular cross-section). Safety factor 4:1. Available as: LL (very light series), L (light series), S (heavy series). Material: carbon steel, galvanized.