Iron Swing Check Valve
Product Introduction
Cast Iron Swing Check Valve are precision-engineered devices designed to permit unidirectional flow in fire protection and industrial piping systems. Constructed from durable ductile iron with a corrosion-resistant coating, they ensure reliable operation under high pressure and temperature. The internal spring-assisted swing mechanism guarantees rapid, non-slam closure, effectively minimizing water hammer. Their grooved ends allow for effortless installation and maintenance, saving significant time and labor costs. This valve is the ideal combination of performance, durability, and economy.
Product Parameter
Product Name:Cast Iron Swing Check Valve
Main Material:Ductile Iron
Body Type:Grooved
Size Range:DN50(2") to DN300(12")
Working Pressure:350Psi
Working Temperature:0℃ to 80℃(32℉ to 176℉)
Media:Water
Surface Finishing:Epoxy Coating
Purpose:Used in one-way flow pipeline to prevent the water from back flow
Application: High-rising building fire fighting system, near fire pump
Product Material
|
Part |
Material |
|
Body |
Ductile Iron |
|
Disc |
Ductile Iron,Covered By EPDM |
|
Stopper |
EPDM |
|
Clapper Arm |
Ductile Iron |
|
Hinge Pin |
Stainless steel 304 |
|
O-Ring |
EPDM |
|
Plug |
Stainless steel 304 |
Product Features
Reliable performance in critical supply and drain lines.
Easy and responsive valve actuation for precise flow control.
Unrestricted by orientation, it performs reliably in any upward flow setup.
Spring-uploaded disc mechanism drastically reduces damaging water hammer.
Tight sealing and noiseless closure protect system integrity.
Low hydraulic resistance and robust design guarantee long-term operation.
FAQ
Q1: How do I know if my valve is functioning correctly?
Signs of a functioning valve are: no audible water hammer, no evidence of backflow, and no leaking in the closed position. For definitive testing, a flow or pressure test can verify it opens under specified pressure and holds seal against reverse flow. Unusual noise or leakage indicates a problem.
Q2:What is the lead time for a custom-sized or special order valve?
Lead times for non-standard items (special coatings, materials, sizes) vary by manufacturer and complexity. While standard valves are often in stock, custom orders typically require 2-3 weeks for production and testing. It's always best to plan projects ahead and consult with your supplier early.
Q3: Do you provide test reports for your valves?
Reputable manufacturers provide certified test reports (e.g., Factory Acceptance Test reports) upon request. These documents verify that the valve underwent and passed hydrostatic shell tests and functional closure tests at the factory, ensuring it meets its published performance specifications before shipment.
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