Is the SAE 3000 Flange Coupling, Light Series, Carbon Steel, Type H3 compatible with standard O-ring grooves and high-pressure hydraulic systems?

SAE 3000 Flange Coupling, Light Series, Carbon Steel, Type H3 Format: Yes. This flange coupling is specifically engineered for secure, leak-free connections between flanges fitted with grooves and O-rings. Made from high-quality carbon steel with a durable galvanization finish, it resists corrosion and wear while providing a precise fit that ensures tight sealing. Its design minimizes leakage risk even under high-pressure conditions, making it suitable for hydraulic systems and heavy-duty industrial applications. Additionally, its robust construction and ease of installation support reliable performance and reduced maintenance in demanding environments.

Can the SAE 3000 Flange Coupling, Light Series, Carbon Steel, Type H3 withstand exposure to saline or corrosive environments without additional protective coatings?

SAE 3000 Flange Coupling, Light Series, Carbon Steel, Type H3 Format: While the product is manufactured from high-quality carbon steel and finished with a durable galvanization layer that provides improved corrosion resistance for general industrial use, exposure to saline or highly corrosive environments will still accelerate degradation over time. Galvanization offers good protection against atmospheric corrosion and occasional splash contact, but it is not equivalent to stainless steel or specialized anti-corrosion coatings designed for marine or chemical service. For prolonged or continuous exposure to saltwater, brine, or aggressive chemicals, additional protective measures (e.g., thicker/continuous coatings, epoxy or polymer linings, sacrificial anodes, or specifying a corrosion-resistant material such as stainless steel) are recommended to ensure long-term integrity and prevent premature corrosion, pitting, and seal failure.

Connector flange SAE 3000, series light, steel carbon, type H3

All products, High-pressure adapters/

Additional information

Material	CS – steel (cast iron)

Connector flange SAE 3000 intended for connections of each other two flanges with grooves and rings O-ring. Material: steel carbon, galvanized.

List of product variants

Article number	Product variant name	DN	BAR	Availability	Actions
HK-H3-08	Flange connector SAE 3000 1/2"	-	348	In stock	Enquiry
HK-H3-12	Flange connector SAE 3000 3/4"	-	348	In stock	Enquiry
HK-H3-16	Flange connector SAE 3000 1"	-	348	In stock	Enquiry
HK-H3-20	Flange connector SAE 3000 1.1/4"	-	278	In stock	Enquiry
HK-H3-24	Flange connector SAE 3000 1.1/2"	-	210	In stock	Enquiry
HK-H3-32	Flange connector SAE 3000 2"	-	210	In stock	Enquiry
HK-H3-40	Flange connector SAE 3000 2.1/2"	-	175	In stock	Enquiry
HK-H3-48	Flange connector SAE 3000 3"	-	138	In stock	Enquiry
HK-H3-56	Flange connector SAE 3000 3.1/2"	-	35	In stock	Enquiry
HK-H3-64	Flange connector SAE 3000 4"	-	24	In stock	Enquiry
HK-H3-80	Flange connector SAE 3000 5"	-	24	In stock	Enquiry