Cast Iron Check Valve 3″

Description

Cast Iron Check Valve 3″

 

Cast Iron Check Valve 3, valves suppliers Distributor Dealer shops in Islamabad Rawalpindi Lahore Peshawar, Pakistan. Contact 0322-3540656

 

What is Cast Iron Check Valve 3″ ?

 

A 3-inch Cast Iron Check Valve prevents backflow in piping systems.
It allows fluid (liquid or gas) to flow in one direction while blocking the flow in the opposite direction. Below are the details for the 3-inch Cast Iron Check Valve:

Detail Information:

• Material: The manufacturers primarily use cast iron for the valve body due to its durability and resistance to wear.
  They often coat it with epoxy or a similar material to enhance its corrosion resistance.
• Size: The size of this check valve is 3 inches, referring to the nominal diameter of the valve inlet/outlet. This determines the compatible pipe size in the system.
• Type: The check valve can be of different types:
  • Swing Check Valve: A disc or flap swings open when fluid flows in the forward direction and closes to block reverse flow.
  • Lift Check Valve: The disc moves up and down within a guide to allow or block fluid flow.
• Pressure Rating: Typically ranges from PN10 to PN16 for general cast iron check valves. This indicates the maximum working pressure of the valve,
  with PN10 meaning 10 bar (145 psi) and PN16 meaning 16 bar (232 psi).
• Temperature Range: Can handle temperatures from -10C to 180C depending on the sealing material (such as EPDM or NBR rubber).
• End Connections: Typically flanged ends according to international standards (ANSI, DIN, JIS), enabling easy installation between pipes.
• Disc Material: Manufacturers often make the disc from cast iron, stainless steel, or bronze to enhance its corrosion resistance, particularly when dealing with water or other corrosive fluids.

Application:

Cast Iron Check Valves Systems commonly use these to prevent problems caused by backflow, such as:

1. Water Supply Systems: Used in potable water distribution, irrigation systems, and water treatment plants to ensure water flows in one direction and to prevent contamination from backflow.
2. Industrial Processes: Used in chemical, oil & gas, and power generation industries to prevent reverse flow of fluids, which could cause process interruptions or equipment damage.
3. Pumping Systems: Operators prevent backflow in sewage and wastewater treatment plants by shutting down the pumps or when a power failure occurs.
4. HVAC Systems: Used in heating, ventilation, and air conditioning systems to control the flow of liquids (e.g., water, steam) and prevent pressure changes.