Is the SMS end under nut with notched tail, stainless steel, type SWK compatible with food-grade gasket materials at temperatures up to their specified limits?

Yes . the SMS end under nut with notched tail, stainless steel, type SWK is compatible with foodâgrade gasket materials up to the temperature limits of those gaskets. The part is manufactured from stainless steel with an Ra 0.8 Âµm finish in the opening, designed for foodâindustry use, and its operating temperature is specified as depending on the gasket material. Therefore, as long as you select a certified foodâgrade gasket (e.g., EPDM, NBR, FKM/Viton, PTFE) whose maximum service temperature does not exceed the gasketâs rated limit, the SWK fitting can be used safely at temperatures up to that gasket limit. Note that the couplingâs maximum allowable working pressure is 15 bar; ensure the chosen gasket also meets pressure, chemical compatibility and regulatory (food contact) requirements for your application.

Can the SMS end under nut with notched tail, stainless steel, type SWK be pressure-tested to 15 bar for food industry use?

Yes. The SMS end under nut with notched tail, stainless steel, type SWK can be pressure-tested to 15 bar for food industry use: its coupling permits a maximum allowable working pressure of 15 bar, it is made of stainless steel, and the sealing surface finish (Ra 0.8 Âµm in the opening) meets common food-grade requirements. Ensure the gasket material selected is suitable for the test temperature and food contact, and follow relevant sanitary testing and assembly procedures.

Does the SMS end under nut with notched tail, stainless steel, type SWK meet CIP/SIP sterility requirements for food use?

Based on the provided description, the SMS end under nut with notched tail, stainless steel, type SWK appears to be designed for food-industry use but does not by itself guarantee CIP/SIP sterility compliance. Key points: - Surface finish: Ra 0.8 Âµm (in the opening). this is within commonly accepted limits for hygienic food contact surfaces (typically â¤0.8 Âµm), which supports cleanability and reduces microbial retention. - Material: stainless steel. suitable for food applications and compatible with CIP/SIP when the correct stainless grade (e.g., AISI 316L) and proper welding/polishing practices are used. - Design features: knurled/notched tail and end-under-nut style. these mechanical details can affect crevices and dead legs. CIP/SIP compliance requires a hygienic design that minimizes crevices where soil or microbes can accumulate; notched tails or under-nut joints may create areas that are harder to clean unless specifically engineered to be flush and crevice-free. - Operating conditions: coupling rated to 15 bar; gasket material and its SIP/CIP temperature limits were not specified. gasket compatibility with CIP/SIP temperatures and chemicals is essential for sterility assurance. Conclusion: The SMS end under nut with notched tail, stainless steel, type SWK has attributes (stainless steel, Ra 0.8 Âµm) that support hygienic use, but CIP/SIP sterility compliance depends on additional factors not provided: exact stainless grade and surface treatment, gasket material and temperature/chemical resistance, hygienic design details of the notched tail/under-nut joint, and validation/qualification for CIP/SIP in your specific system. To confirm compliance, request manufacturer documentation certifying hygienic design and CIP/SIP suitability (material certificates, surface finish verification, gasket specifications, and CIP/SIP validation data).

Fitting SMS for a nut with a serrated tail, steel stainless, type SWK

All products, Hygienic stainless steel couplings/

Additional information

Material	SS – stainless steel

Fitting SMS for a nut, with a serrated tail, Ra (in the bore) 0.8 µm, for use in the food industry. Maximum permissible working pressure (for the coupling itself): 15 bar. Operating temperature: depending on type material used the gasket. Material: steel stainless.

List of product variants

Article number	Product variant name	DN	BAR	Availability	Actions
NH-SWK-025	Fitting SMS serrated DN25, hose 25 mm	25	15	In stock	Enquiry
NH-SWK-032	Fitting SMS serrated DN32, hose 32 mm	32	15	In stock	Enquiry
NH-SWK-038	Fitting SMS serrated DN38, hose 38 mm	38	15	In stock	Enquiry
NH-SWK-050	Fitting SMS serrated DN50, hose 50 mm	50	15	In stock	Enquiry
NH-SWK-063	Fitting SMS serrated DN63, hose 63 mm	65	15	In stock	Enquiry
NH-SWK-075	Fitting SMS serrated DN75, hose 75 mm	75	15	In stock	Enquiry
NH-SWK-080	Fitting SMS serrated DN75, hose 80 mm	75	15	In stock	Enquiry
NH-SWK-100	Fitting SMS serrated DN100, hose 102 mm	100	15	In stock	Enquiry

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Fitting SMS for a nut, with a serrated tail, Ra (in the bore) 0.8 µm, for use in the food industry. Maximum permissible working pressure (for the coupling itself): 15 bar. Operating temperature: depending on type material used the gasket. Material: steel stainless.