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.

SAE 3000 Flange Coupling, Light Series, Carbon Steel, Type H3

All products, High-pressure adapters/

Additional information

Material	CS – steel (cast iron)

The SAE 3000 flange connector is a robust and reliable solution engineered for secure and leak-free connections between two flanges equipped with grooves and O-rings. Manufactured from high-quality carbon steel and finished with a durable galvanization layer, it ensures excellent resistance to corrosion, wear, and demanding working conditions. Its precise design guarantees a tight seal, minimizing the risk of leakage even under high pressure, making it an ideal choice for hydraulic systems, industrial machinery, and heavy-duty applications. The connector’s construction allows for quick and efficient installation, reducing downtime and maintenance costs while enhancing overall system performance. Thanks to its strength and durability, it provides long-lasting operation and consistent reliability, even in environments exposed to mechanical stress or harsh external factors. This makes the SAE 3000 flange connector a trusted component for industries seeking efficiency, safety, and uncompromising quality in their hydraulic and fluid transfer systems.

List of product variants

Article number	Product variant name	Nominal inner diameter	Working pressure [bar]
HK-H3-08	SAE 3000 flange connector 1/2"	-	348
HK-H3-12	SAE 3000 flange connector 3/4"	-	348
HK-H3-16	SAE 3000 flange connector 1"	-	348
HK-H3-20	SAE 3000 flange connector 1.1/4"	-	278
HK-H3-24	SAE 3000 flange connector 1.1/2"	-	210
HK-H3-32	SAE 3000 flange connector 2"	-	210
HK-H3-40	SAE 3000 flange connector 2.1/2"	-	175
HK-H3-48	SAE 3000 flange connector 3"	-	138
HK-H3-56	SAE 3000 flange connector 3.1/2"	-	35
HK-H3-64	SAE 3000 flange connector 4"	-	24
HK-H3-80	SAE 3000 flange connector 5"	-	24

The SAE 3000 flange connector is a robust and reliable solution engineered for secure and leak-free connections between two flanges equipped with grooves and O-rings. Manufactured from high-quality carbon steel and finished with a durable galvanization layer, it ensures excellent resistance to corrosion, wear, and demanding working conditions. Its precise design guarantees a tight seal, minimizing the risk of leakage even under high pressure, making it an ideal choice for hydraulic systems, industrial machinery, and heavy-duty applications. The connector’s construction allows for quick and efficient installation, reducing downtime and maintenance costs while enhancing overall system performance. Thanks to its strength and durability, it provides long-lasting operation and consistent reliability, even in environments exposed to mechanical stress or harsh external factors. This makes the SAE 3000 flange connector a trusted component for industries seeking efficiency, safety, and uncompromising quality in their hydraulic and fluid transfer systems.