Is the Stainless Steel Hose End for High-Pressure Gases, W21.8x1/14" DIN477, ZWW170 compatible with ammonia and CO2 service?

Yes. The Stainless Steel Hose End for High-Pressure Gases, W21.8x1/14" DIN477, ZWW170 is compatible with ammonia and CO2 service. The product description explicitly states it is suitable for a wide range of gases including ammonia and carbon dioxide. Constructed from AISI 304 stainless steel with a brass nut and manufactured to DIN477/PN-81/M-69229 standards, it offers corrosion resistance and secure connections appropriate for high-pressure gas applications. Ensure compatibility with specific system conditions (pressure, temperature, seals) and applicable regulations before installation.

Can the Stainless Steel Hose End for High-Pressure Gases, W21.8x1/14" DIN477, ZWW170 be used with helium and argon mixtures at elevated pressures?

Yes. The Stainless Steel Hose End for High-Pressure Gases, W21.8x1/14" DIN477, ZWW170 is specified for use with a wide range of gases—including helium and argon—and is engineered for high-pressure gas applications. Constructed from AISI 304 stainless steel with a brass nut and featuring the internal Whitworth thread W21.8 x 1/14" compliant with PN-81/M-69229 (DIN477-1 no. 6), it offers corrosion resistance, mechanical strength, and a secure connection suitable for elevated pressures. Ensure compatibility with your specific hose, system pressure rating, seals, and applicable safety/regulatory requirements before use; follow manufacturer pressure limits and installation guidelines.

A fitting for hoses for gases high-pressure with thread W21.8×1/14″ acc. to DIN477, steel stainless, type ZWW170

All products, Technical gases hoses/

A fitting for hoses for gases high-pressure with thread W21.8x1/14" acc. to DIN477, steel stainless, type ZWW170

Additional information

Material	SS – stainless steel

A fitting for hoses thermoplastic and hydraulic rubber for gases high-pressure with thread internal Whitworth W21.8 x 1/14″, Connection acc. to PN-81/M-69229 (DIN477-1 nr 6). purpose – mi.in.: ammonia, argon, dioxide carbon, hel. Material: Material: steel AISI 304 – A fitting, brass – A nut.

List of product variants

Article number	Product variant name	DN	BAR	Availability	Actions
TI-ZWW170-21-04-SS-MO	Fitting female W21.8 DIN477, for hose 1/4", AISI 304 (brass nut)	6	-	In stock	Enquiry
TI-ZWW170-21-05-SS-MO	Fitting female W21.8 DIN477, for hose 5/16", AISI 304 (brass nut)	8	-	In stock	Enquiry
TI-ZWW170-21-06-SS-MO	Fitting female W21.8 DIN477, for hose 3/8", AISI 304 (brass nut)	10	-	In stock	Enquiry
TI-ZWW170-21-08-SS-MO	Fitting female W21.8 DIN477, for hose 1/2", AISI 304 (brass nut)	12	-	In stock	Enquiry

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A fitting for hoses thermoplastic and hydraulic rubber for gases high-pressure with thread internal Whitworth W21.8 x 1/14″, Connection acc. to PN-81/M-69229 (DIN477-1 nr 6). purpose – mi.in.: ammonia, argon, dioxide carbon, hel. Material: Material: steel AISI 304 – A fitting, brass – A nut.