Is the EVWO adjustable angle fitting (carbon steel, zinc-nickel) compatible with both L (light) and S (heavy) series and sealed by the O-ring?

Yes. The EVWO adjustable angle fitting, carbon steel, zinc-nickel is offered for both L (light) and S (heavy) series and uses a 24Â° DIN 2353 socket with Oâring sealing. It features an external thread and internal metric thread with Oâring, and the carbon steel body is zincânickel coated (6â10 Âµm) for high corrosion resistance.

Does the EVWO adjustable angle fitting, carbon steel, zinc-nickel require special maintenance after zincânickel coating to preserve corrosion resistance?

No special maintenance is required beyond normal good-practice to preserve the coating performance. The EVWO adjustable angle fitting, carbon steel, zinc-nickel is factory-coated with a 6â10 Âµm zincânickel layer providing very high corrosion resistance (up to 720 hours in salt spray). To maintain that protection, avoid abrasive cleaning that could strip the coating, minimize exposure to highly aggressive chemicals, and inspect fittings periodically for mechanical damage, scratches or heavy wear. If damage is found, repair or replace the fitting to restore corrosion protection. Routine system flushing and proper sealing (Oâring condition) will also help prevent corrosion.

Can the EVWO adjustable angle fitting, carbon steel, zinc-nickel be used in marine environments without additional protection?

Generally yes, but with caveats. The EVWO adjustable angle fitting, carbon steel, zinc-nickel has a zincânickel coating (6â10 Âµm) that provides very high corrosion resistanceâmanufacturer claims up to 720 hours without corrosion in a salt spray (neutral salt spray/NSS) test. That level of performance typically corresponds to good protection in many marine and corrosive atmospheres (coastal zones, splash zones, and offshore sheltered/less aggressive exposures). However, real-world marine environments vary widely in aggressiveness (open sea, constant splashing, immersion, high humidity, temperature cycles, biological fouling). Points to consider before using without additional protection: - Salt spray hours are a lab indicator, not a guarantee of service life. 720 h NSS is strong but not definitive for continuous immersion or extremely aggressive offshore conditions. - Carbon steel base metal means once the coating is breached (mechanical damage, wear at threads/seals, galvanic contact), corrosion of the substrate can progress rapidly. - Threads, machined surfaces, Oâring grooves and flank contact areas are at higher risk for coating damage and crevice corrosion. - Galvanic compatibility with mating materials must be checkedâzincânickel on steel is more noble than pure zinc but can create galvanic cells with stainless steel, copper alloys, or aluminum in the presence of an electrolyte. - Dynamic or high-vibration assemblies may abrade the coating over time. Practical recommendation: - For general coastal and indoor marine use, EVWO adjustable angle fitting, carbon steel, zinc-nickel will often be acceptable without further coating if installed carefully and inspected periodically. - For highly aggressive marine environments (constant immersion, splash/ spray zones on offshore platforms, or where long maintenance intervals are required) use additional protection measures: secondary coatings, sacrificial anodes, corrosion-inhibiting greases on threads, or specify a stainless steel variant or a higher-grade protective system. - Inspect critical joints (threads, Oâring zones) regularly and avoid dissimilar-metal contact. If you need a definitive yes/no for a specific application, provide details (immersion vs. splash, offshore vs. coastal, mating materials, maintenance interval) so suitability can be assessed precisely.

EVWO adjustable angle fitting, carbon steel, zinc-nickel

Additional information

Material	CS – steel (cast iron)
Standard length [m]	10

Adjustable angular fitting DIN 2353, type EVWO: 24° DIN 2353 socket with external thread and internal metric thread with O-ring. Available as: L (light series), S (heavy series). Surface coated with zinc-nickel with a layer thickness of 6-10 µm, characterized by very high corrosion resistance (up to 720 hours without corrosion in a salt spray chamber). Material: carbon steel, zinc-nickel.

List of product variants

Article number	Product variant name	DN	BAR	Availability	Actions
HD-EVWO-06L-CN	DIN 2353 fitting EVWO 6L, Zn-Ni	-	315	In stock	Enquiry
HD-EVWO-06S-CN	DIN 2353 fitting EVWO 6S, Zn-Ni	-	630	In stock	Enquiry
HD-EVWO-08L-CN	DIN 2353 EVWO 8L fitting, Zn-Ni	-	315	In stock	Enquiry
HD-EVWO-08S-CN	DIN 2353 fitting EVWO 8S, Zn-Ni	-	630	In stock	Enquiry
HD-EVWO-10L-CN	DIN 2353 fitting EVWO 10L, Zn-Ni	-	315	In stock	Enquiry
HD-EVWO-10S-CN	DIN 2353 fitting EVWO 10S, Zn-Ni	-	630	In stock	Enquiry
HD-EVWO-12L-CN	DIN 2353 fitting EVWO 12L, Zn-Ni	-	315	In stock	Enquiry
HD-EVWO-12S-CN	DIN 2353 fitting EVWO 12S, Zn-Ni	-	630	In stock	Enquiry
HD-EVWO-14S-CN	DIN 2353 fitting EVWO 14S, Zn-Ni	-	630	In stock	Enquiry
HD-EVWO-15L-CN	DIN 2353 fitting EVWO 15L, Zn-Ni	-	315	In stock	Enquiry
HD-EVWO-16S-CN	DIN 2353 fitting EVWO 16S, Zn-Ni	-	400	In stock	Enquiry
HD-EVWO-18L-CN	DIN 2353 fitting EVWO 18L, Zn-Ni	-	315	In stock	Enquiry
HD-EVWO-20S-CN	DIN 2353 fitting EVWO 20S, Zn-Ni	-	400	In stock	Enquiry
HD-EVWO-22L-CN	DIN 2353 fitting EVWO 22L, Zn-Ni	-	160	In stock	Enquiry
HD-EVWO-25S-CN	DIN 2353 fitting EVWO 25S, Zn-Ni	-	400	In stock	Enquiry
HD-EVWO-28L-CN	DIN 2353 fitting EVWO 28L, Zn-Ni	-	160	In stock	Enquiry
HD-EVWO-30S-CN	DIN 2353 fitting EVWO 30S, Zn-Ni	-	400	In stock	Enquiry
HD-EVWO-35L-CN	DIN 2353 fitting EVWO 35L, Zn-Ni	-	160	In stock	Enquiry
HD-EVWO-38S-CN	DIN 2353 fitting EVWO 38S, Zn-Ni	-	315	In stock	Enquiry
HD-EVWO-42L-CN	DIN 2353 fitting EVWO 42L, Zn-Ni	-	160	In stock	Enquiry

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Adjustable angular fitting DIN 2353, type EVWO: 24° DIN 2353 socket with external thread and internal metric thread with O-ring. Available as: L (light series), S (heavy series). Surface coated with zinc-nickel with a layer thickness of 6-10 µm, characterized by very high corrosion resistance (up to 720 hours without corrosion in a salt spray chamber). Material: carbon steel, zinc-nickel.