Cast Iron Flanged Solenoid Valve | Best Price at VINVAL.NET

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Introduction to Cast Iron Flanged Solenoid Valves

Cast iron flanged solenoid valves are essential automatic flow control devices in modern industrial systems. With a durable cast iron body and reliable flanged connection, these valves offer high performance, long service life, and stable operation in harsh environments.

At VINVAL.NET, we supply genuine cast iron flanged solenoid valves with full CO-CQ certification, suitable for water, air, steam, and light oil systems.

What is a Solenoid Valve?

A solenoid valve is an electromechanical device used to control the flow of liquids or gases. It operates based on electromagnetic principles: when electrical current passes through the coil, a magnetic field is generated, moving the valve core to open or close the flow.

This device helps:

Automate industrial systems
Control flow accurately
Improve operational efficiency
Ensure system safety

Key Advantages of Cast Iron Flanged Solenoid Valves

High durability: Strong cast iron body, resistant to impact and wear
Secure connection: Flanged design prevents leakage and handles high pressure
Wide application: Suitable for water, air, steam, and light oil
Cost-effective: More affordable than stainless steel valves
Easy installation & maintenance: Simple structure
Fast operation: Quick response when powered

Structure of Cast Iron Flanged Solenoid Valve

A standard solenoid valve includes:

Valve body: Made of cast iron or ductile iron
Solenoid coil: Generates magnetic force
Plunger/core: Controls valve movement
Diaphragm/disc: Opens or blocks the flow
Spring: Returns valve to default position
Flange connection: Standard connections (PN10, PN16, ANSI, JIS)

Working Principle

Normally Closed (NC)

No power → valve closed
Power on → valve opens

Normally Open (NO)

No power → valve open
Power on → valve closes

Operation types:

Direct acting: For small size, low pressure
Pilot operated: For large size, high pressure (most common)

Technical Specifications

Size range: DN50 – DN300+
Pressure rating: PN10, PN16, PN25
Temperature range:
- NBR: -5 ~ 80°C
- EPDM: -10 ~ 120°C
- Viton: up to 180°C
Voltage: 24V, 110V, 220V, 380V
Flange standards: DIN, JIS, ANSI

Applications

1. Water Supply & Treatment

Flow control in pipelines
Wastewater treatment systems
Filtration systems

2. HVAC & Fire Protection

Control hot/cold water flow
Automatic fire sprinkler systems

3. Industrial Manufacturing

Textile industry
Mechanical engineering
Food processing
Electronics production

4. Energy & Chemical Industry

Power plants
Oil & gas systems
Chemical processing

How to Choose the Right Solenoid Valve

Consider the following factors:

Fluid type (water, air, steam, oil, chemicals)
Working temperature
System pressure
Pipe size (DN)
Voltage supply
Valve type (NC or NO)
Flange standard compatibility

Installation & Maintenance Guide

Installation:

Install according to flow direction arrow
Prefer vertical installation (coil facing upward)
Use proper flange gaskets
Install Y-strainer to protect valve

Maintenance:

Check for leakage regularly
Clean filters periodically
Inspect coil condition
Replace seals when necessary

Why Buy from VINVAL.NET?

✔ Genuine products with CO-CQ certification
✔ Competitive pricing – Ready stock
✔ Professional technical support
✔ Fast nationwide delivery
✔ Reliable warranty and after-sales service