Brass Non Return Valve China 1-1/4″

Description

Brass Non Return Valve China 1-1/4″

 

Brass Non Return Valve China 1-1/4, valves suppliers shops in Islamabad Rawalpindi Lahore Peshawar, Pakistan. Contact 0322-3540656

 

What is Brass Non Return Valve 1-1/4″ ?

 

A China 1-1/4″ Brass Non-Return Valve (NRV) is a type of check valve designed to allow fluid (such as water, gas, or air) to flow in one direction while preventing backflow in the opposite direction. Plumbers and industry professionals commonly use it in applications where maintaining unidirectional flow is critical to protecting equipment and systems.

Here???s a detailed breakdown of the Brass Non-Return Valve China 1-1/4″:

Key Specifications:

• Material: Brass
  • Brass is a durable, corrosion-resistant material that can withstand various conditions, making it ideal for both water and gas systems.
• Size: 1-1/4 inch (Nominal Bore)
  • The size shows the valve’s connection diameter, which users typically employ with pipes that have a 1-1/4 inch diameter.
• Type: Non-Return Valve (Check Valve)
  • Non-return or check valves They are used to ensure that fluid flows in only one direction and to prevent reverse flow.
• Connection Type:
  • Usually threaded, making it easy to install in systems with threaded pipe fittings.
• Flow Direction: The valve body is marked with an arrow indicating the correct direction of flow. Fluid should enter through the inlet and exit through the outlet in the direction of the arrow.
• Operating Pressure: Brass non-return valves typically have a working pressure range suitable for most domestic and light industrial applications,
  often rated for 10-16 bar, depending on the manufacturer.
• Temperature Range: Brass NRVs can usually handle temperatures ranging from -20??C to 120??C, which makes them suitable for both hot and cold water systems.

Working Mechanism:

• Internal Design: The valve generally contains a disc or ball inside the valve body. When fluid flows in the correct direction, it pushes the disc/ball open, allowing fluid to pass through. If flow reverses, the disc/ball moves back to its seat, sealing the valve and preventing backflow.
• Spring-Loaded: In some designs, the valve may be spring-loaded, which helps it close more quickly and effectively when reverse flow occurs.

Usage and Applications:

1. Plumbing Systems:
   • Prevents Backflow: Used in water supply systems to prevent water from flowing back into the main system, which can protect against contamination and equipment damage.
2. Pump Systems:
   • Protects Pumps: Often installed on the discharge side of water pumps (such as in domestic water systems, well pumps, and irrigation systems) to prevent water from flowing back into the pump when it shuts off, reducing wear and tear.
3. Heating Systems:
   • Ensures Unidirectional Flow: In heating and cooling systems, it ensures the water or other fluids circulate in the intended direction, especially in solar heating systems or boiler setups.
4. Compressed Air Systems:
   • Maintains Air Flow: In pneumatic systems, it ensures that air flows in the correct direction, preventing backpressure which could damage compressors or other equipment.
5. Gas and Fuel Lines:
   • Gas Supply Systems: Can be used in gas lines to ensure the safe one-way flow of gas, preventing backflow which could pose safety risks.
6. Irrigation Systems:
   • Commonly used in agricultural irrigation systems to prevent water from siphoning back into the main supply, protecting the water source from contamination.
7. Fire Protection Systems:
   • In sprinkler systems, these valves prevent water from flowing back into the main water supply, ensuring that the fire protection system remains charged and ready for use.

Benefits of Brass Non-Return Valves:

• Corrosion-Resistant: Brass is resistant to rust and corrosion, making it ideal for long-term use in plumbing systems.
• Durable: Brass valves can withstand higher temperatures and pressures compared to plastic or steel valves in certain applications.
• Low Maintenance: Non-return valves generally need little maintenance because they consist of few moving parts and engineers design them for long-term operation.
• Cost-Effective: Brass valves are usually cost-effective while offering good performance in a wide range of applications.

Installation Notes:

• Orientation: Ensure that you install the valve in the correct orientation
  (with the flow direction matching the arrow on the valve body).
• Maintenance: Although brass non-return valves typically require low maintenance, we recommend conducting periodic inspections to ensure they function properly,
  especially in high-pressure or critical systems.