Ductile Iron Check Valve, API 6D GOST Standard, Flange RF Ends, PN40 Pressure Rating

Ductile Iron Check Valve, API 6D GOST Standard, Flange RF Ends, PN40 Pressure Rating

Our check valve is engineered to prevent backflow in pipelines, ensuring unidirectional flow and protecting critical equipment in water, oil, and gas systems. Constructed from high-strength ductile iron (nodular cast iron), this valve meets API 6D and GOST standards, offering exceptional durability and reliability under high-pressure conditions. With flange RF ends for secure, leak-proof installation and a PN40 pressure rating, it is suitable for demanding industrial applications. The valve's efficient design minimizes pressure drop and operates automatically based on flow conditions. Ideal for petroleum, chemical, and water treatment industries, this check valve comes with a 2-year warranty and optional accessories like O-rings and sealing rings.

Features:

Constructed from ductile iron (nodular cast iron) for superior strength and corrosion resistance
Compliant with API 6D and GOST standards for reliability and safety
Flange RF ends for secure, leak-proof installation
PN40 pressure rating for high-pressure applications
Suitable for water, oil, and gas media
Automatic operation with minimal pressure drop
Optional accessories: O-rings, sealing rings
Blue finish for corrosion resistance and easy identification

Advantages:

Advantage	Description
Reliable Backflow Prevention	Ensures unidirectional flow, protecting pumps and pipelines from damage.
High Pressure Tolerance	PN40 rating allows operation in demanding high-pressure systems.
Durable Construction	Ductile iron body resists corrosion and wear in harsh environments.
Easy Installation	Flange RF ends simplify integration into existing pipelines.
Low Maintenance	Robust design and automatic operation reduce maintenance needs.
Wide Applicability	Ideal for water, oil, and gas applications across industries.

Specifications:

Attribute	Value(s)
Size Range	DN50 - DN600
Body Material	Ductile Iron (Nodular Cast Iron)
Connection Type	Flange RF Ends
Media	Water, Oil, Gas
Temperature Range	Up to 80°C
Pressure Rating	PN40
Design Standard	API 6D, GOST, ISO
Operation	Automatic (Flow-dependent)
Color	Blue
Warranty	2 Years
Optional Accessories	O-rings, sealing rings