Is the DIN 2353 VOSSFormSQR nut with seal, stainless steel compatible with MVF metric-thread couplings in both L and S series?

Yes. The DIN 2353 VOSSFormSQR nut with seal, stainless steel is specifically designed for use with MVF metric-thread couplings and is available in both L (light) and S (heavy) series. Made of AISI 316 stainless steel with a Viton seal, it matches the MVF coupling thread form and pressure/strength requirements for both series, ensuring proper fit, sealing and corrosion resistance in applications calling for either the L or S variant.

Does the DIN 2353 VOSSFormSQR nut with seal, stainless steel fit MVF metric-thread couplings across L and S series?

Yes. The DIN 2353 VOSSFormSQR nut with seal, stainless steel (AISI 316, Viton seal) for DIN 2353 couplings, type MVF, is available in both L (light) and S (heavy) series and is designed to fit MVF metric-thread couplings across those series. Compatibility is maintained by matching the metric thread and DIN 2353 dimensions for L and S series.

Can the DIN 2353 VOSSFormSQR nut with seal, stainless steel be used interchangeably on MVF metric-thread couplings L vs S?

No. the DIN 2353 VOSSFormSQR nut with seal, stainless steel cannot be assumed interchangeable between MVF metric-thread couplings L (light) and S (heavy) without verification. Why: The MVF coupling comes in two series (L and S) with different dimensional and mechanical specifications (thread engagement length, hex size, wall thickness, pressure ratings). The DIN 2353 VOSSFormSQR nut with seal, stainless steel is produced to fit MVF metric threads, but L and S series are distinct designs; a nut sized and dimensioned for one series may not seat properly, may not provide correct thread engagement or sealing, and could compromise mechanical strength or pressure integrity. Practical guidance: - Confirm part numbers/drawings: Match the nut design to the exact MVF series and part number specified by the manufacturer. - Check dimensions: Verify thread pitch, thread length, and sealing face dimensions against the coupling series (L vs S). - Pressure and application: Ensure the nutâs material and seal (AISI 316 with Viton) meet the required pressure, media and temperature conditions for the intended series. - When in doubt, use the nut specifically specified for the MVF series (L or S) or consult the manufacturer/technical data sheet. Conclusion: Do not interchange DIN 2353 VOSSFormSQR nut with seal, stainless steel between MVF L and S without confirming dimensional and specification compatibility.

Nut DIN 2353 VOSSForm^SQR with gasket, stainless steel

Nut DIN 2353 VOSSForm<sup>SQR</sup> with gasket, stainless steel

Additional information

Nut VOSSForm SQR with gasket with metric thread for DIN 2353 fittings, type MVF. Available as: L (series light), S (series heavy). Material: stainless steel AISI 316 (sealing made of Viton).

List of product variants

Article number	Product variant name	DN	BAR	Availability	Actions
HD-MVF-06L-SS	Nut DIN 2353 with seal VOSSForm 6L M12x1.5, AISI 316	-	-	In stock	Enquiry
HD-MVF-06S-SS	Nut DIN 2353 with seal VOSSForm 6S M14x1.5, AISI 316	-	-	In stock	Enquiry
HD-MVF-08L-SS	Nut DIN 2353 with seal VOSSForm 8L M14x1.5, AISI 316	-	-	In stock	Enquiry
HD-MVF-08S-SS	Nut DIN 2353 with seal VOSSForm 8S M16x1.5, AISI 316	-	-	In stock	Enquiry
HD-MVF-10L-SS	Nut DIN 2353 with seal VOSSForm 10L M16x1.5, AISI 316	-	-	In stock	Enquiry
HD-MVF-10S-SS	Nut DIN 2353 with seal VOSSForm 10S M18x1.5, AISI 316	-	-	In stock	Enquiry
HD-MVF-12L-SS	Nut DIN 2353 with seal VOSSForm 12L M18x1.5, AISI 316	-	-	In stock	Enquiry
HD-MVF-12S-SS	Nut DIN 2353 with seal VOSSForm 12S M20x1.5, AISI 316	-	-	In stock	Enquiry
HD-MVF-14S-SS	Nut DIN 2353 with seal VOSSForm 14S M22x1.5, AISI 316	-	-	In stock	Enquiry
HD-MVF-15L-SS	Nut DIN 2353 with seal VOSSForm 15L M22x1.5, AISI 316	-	-	In stock	Enquiry
HD-MVF-16S-SS	Nut DIN 2353 with seal VOSSForm 16S M24x1.5, AISI 316	-	-	In stock	Enquiry
HD-MVF-18L-SS	Nut DIN 2353 with seal VOSSForm 18L M26x1.5, AISI 316	-	-	In stock	Enquiry
HD-MVF-20S-SS	Nut DIN 2353 with seal VOSSForm 20S M30x2, AISI 316	-	-	In stock	Enquiry
HD-MVF-22L-SS	Nut DIN 2353 with seal VOSSForm 22L M30x2, AISI 316	-	-	In stock	Enquiry
HD-MVF-25S-SS	Nut DIN 2353 with seal VOSSForm 25S M36x2, AISI 316	-	-	In stock	Enquiry
HD-MVF-28L-SS	Nut DIN 2353 with seal VOSSForm 28L M36x2, AISI 316	-	-	In stock	Enquiry
HD-MVF-30S-SS	Nut DIN 2353 with seal VOSSForm 30S M42x2, AISI 316	-	-	In stock	Enquiry
HD-MVF-35L-SS	Nut DIN 2353 with seal VOSSForm 35L M45x2, AISI 316	-	-	In stock	Enquiry
HD-MVF-38S-SS	Nut DIN 2353 with seal VOSSForm 38S M52x2, AISI 316	-	-	In stock	Enquiry
HD-MVF-42L-SS	Nut DIN 2353 with seal VOSSForm 42L M52x2, AISI 316	-	-	In stock	Enquiry

Do you need a larger quantity of products or a bespoke quote?

Call us: +48 61 653 02 22 or email us: tubes@tubes-international.com

SEND ENQUIRY

Nut VOSSForm SQR with gasket with metric thread for DIN 2353 fittings, type MVF. Available as: L (series light), S (series heavy). Material: stainless steel AISI 316 (sealing made of Viton).