
Jinfeng High Pressure Ductile Iron Grooved Coupling and Fittings Factory Price. High-Strength Ductile Iron: Cast from ASTM A536 grade ductile iron ensuring exceptional tensile strength and burst resistance. Superior Sealing Integrity: Equipped with premium EPDM gaskets for 100% leak-proof performance under vibration and pressure. Rapid Installation: Grooved design eliminates welding or threading, reducing labor costs and construction time by 3-4x. Vibration Absorption: Flexible design compensates for thermal expansion and absorbs system vibrations for stability. Customized Color Options: Available in standard fire red, blue, or galvanized finishes with custom RAL shades upon request. Comprehensive OEM Services: Supports private label casting, custom branding, and tailored packaging designs for global distributors. 3-Year Warranty Coverage: Standard 3-year warranty with optional extended coverage up to 36 months for peace of mind. Global Logistics Support: Seaworthy wooden crate packaging and export-grade protection ensure safe delivery worldwide.