Nalisha Valves And Automation Limited

The Lined Wafer Check Valve is a high-performance valve designed to allow unidirectional flow while preventing backflow in pipelines. Its wafer-type design allows compact installation between standard flanges, saving space and reducing weight. The valve’s lining—made from rubber, PTFE, or other corrosion-resistant materials—ensures excellent chemical and corrosion resistance, making it ideal for handling aggressive or abrasive fluids.

Key Features:

• Wafer-type design for compact and easy installation

• Corrosion-resistant lining for long-term durability

• Prevents backflow, protecting pumps, compressors, and pipelines

• Smooth operation with minimal pressure drop

• Suitable for horizontal and vertical installation

• Low maintenance and cost-effective solution

Applications:

• Chemical and petrochemical process lines

• Water treatment and wastewater systems

• Food and pharmaceutical industries

• HVAC and industrial process pipelines

• Slurry, acid, and chemical handling systems

The Cast Steel Swing Type Check Valve is a robust valve designed to allow unidirectional flow while preventing backflow in pipelines. Its swing-type disc mechanism automatically closes when flow reverses, protecting pumps, compressors, and other equipment from damage.

Manufactured from high-quality cast steel, this valve offers excellent strength, durability, and resistance to high pressures and temperatures, making it suitable for demanding industrial, chemical, and petrochemical applications. Its flanged or welded end connections allow easy integration into existing piping systems.

Key Features:

• Swing-type design for reliable backflow prevention

• Cast steel construction for high pressure and temperature resistance

• Smooth operation with minimal pressure drop

• Available in flanged, threaded, or welded end connections

• Suitable for horizontal and vertical installation

• Low maintenance and long service life

Applications:

• Oil, gas, and petrochemical pipelines

• Chemical and industrial process lines

• Water and wastewater treatment systems

• Steam and high-temperature fluid systems

• HVAC and industrial utility pipelines

The Dual Plate Check Valve is a reliable valve designed to allow unidirectional flow while preventing backflow in pipelines. Featuring two spring-loaded plates, it provides quick closure, reducing water hammer and protecting pumps, compressors, and other equipment.

Manufactured from high-quality materials such as stainless steel, carbon steel, or cast iron, the valve ensures durability, corrosion resistance, and long-term performance in industrial, commercial, and municipal applications. Its compact design allows easy installation between flanges, saving space without compromising efficiency.

Key Features:

• Dual plate spring-loaded design for fast and reliable backflow prevention

• Compact wafer-type construction for space-saving installation

• Durable materials for corrosion resistance and long service life

• Smooth operation with minimal pressure drop

• Suitable for horizontal and vertical pipeline installation

• Low maintenance and cost-effective design

Applications:

• Water supply and distribution pipelines

• Oil, gas, and petrochemical process lines

• HVAC and industrial process systems

• Fire protection and irrigation networks

• High-pressure and high-temperature fluid systems

The Wafer Check Valve is a compact, lightweight valve designed for preventing backflow in pipelines, ensuring unidirectional flow of liquids and gases. Its wafer-style design allows it to be installed between two flanges, making it space-efficient and suitable for pipelines with limited installation room.

Manufactured from carbon steel, stainless steel, or alloy steel, the valve offers durability, corrosion resistance, and reliable performance in industrial, water, and chemical applications. The spring-loaded or disc-type mechanism provides quick response to flow changes and minimal pressure drop.

Key Features:

• Compact wafer design for space-saving installation

• Prevents backflow, ensuring unidirectional flow

• Available in carbon steel, stainless steel, or alloy steel

• Low-pressure drop and quick response to flow changes

• Suitable for high-pressure and moderate to high-temperature applications

• Minimal maintenance and long service life

Applications:

• Water treatment and distribution systems

• Chemical and petrochemical pipelines

• Oil and gas process systems

• HVAC and industrial process lines

• Pump protection and utility pipelines

A Single Plate Wafer Check Valve is a compact, lightweight non-return valve designed to allow fluid flow in one direction only and prevent backflow in piping systems. Its wafer-type body fits easily between standard flanges, making it ideal for space-constrained installations.

The valve features a single hinged plate (disc) that opens automatically with forward flow and closes quickly when flow stops, reducing pressure loss and minimizing water hammer. It is commonly used in water, oil, gas, steam, and chemical applications across HVAC, industrial, and process systems.

Key Features:

• Compact wafer design for easy installation between flanges

• Single plate disc for fast response and reliable sealing

• Low pressure drop and reduced turbulence

• Quick closing action minimizes backflow and water hammer

• Available in various materials (cast iron, carbon steel, stainless steel, etc.)

• Suitable for horizontal or vertical installation (depending on design)

Applications:

• Water supply and pumping systems

• HVAC and cooling systems

• Oil & gas pipelines

• Chemical and process industries

• Power plants and utilities

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The Dual Plate Check Valve is a compact, high-performance non-return valve designed to prevent backflow in piping systems while allowing smooth, efficient forward flow. It features two spring-loaded plates mounted on a central hinge pin, which open with forward flow and close rapidly when flow stops, minimizing water hammer and pressure surges.

Its wafer-type design allows installation between standard flanges, making it lightweight, space-saving, and easy to install. The dual plate mechanism provides faster response and lower pressure drop compared to conventional swing check valves, ensuring reliable operation in demanding industrial applications.

Key Features:

• Dual spring-loaded plates for quick closing and reduced backflow

• Compact wafer design saves space and weight

• Low pressure drop and improved flow efficiency

• Reduced water hammer and vibration

• Available in cast iron, carbon steel, stainless steel, and alloy steel

• Suitable for horizontal and vertical installation (flow-up)

Applications:

• Water supply and pumping systems

• HVAC and fire protection systems

• Oil & gas pipelines

• Chemical and process industries

• Power plants and marine applications

Working Media: Water, air, oil, gas, steam, and other compatible fluids

Check Valves are essential valves designed to allow fluid flow in one direction while preventing backflow in pipelines. They ensure the protection of pumps, compressors, and other critical equipment by automatically stopping reverse flow, making them vital for industrial, commercial, and municipal piping systems.

Available in various types and materials including cast iron, stainless steel, carbon steel, and mild steel, check valves are engineered for reliability, durability, and long-term performance. They are suitable for a wide range of pressures, temperatures, and fluid types.

Key Features:

• Prevents backflow and protects pipeline equipment

• Available in multiple designs: Swing, Wafer, Lift, Ball, and Dual Plate

• Durable construction for long service life

• Low pressure drop for efficient operation

• Suitable for horizontal and vertical pipeline installations

• Available in different materials for corrosion and chemical resistance

Applications:

• Water supply and distribution systems

• HVAC and cooling pipelines

• Oil, gas, and petrochemical industries

• Industrial process and utility pipelines

• Fire protection and irrigation systems

The MS Wafer Check Valve is a compact and efficient valve designed for preventing backflow in industrial and commercial piping systems. Its wafer-type design allows easy installation between standard pipeline flanges, offering a lightweight and space-saving solution for flow protection.

Manufactured from mild steel (MS), the valve provides excellent strength, durability, and resistance to moderate pressure and temperature conditions. The internal mechanism ensures smooth operation, quick response to flow changes, and reliable backflow prevention.

Key Features:

• Wafer-type design for compact, lightweight, and easy installation

• Prevents backflow and protects pumps, compressors, and pipelines

• Durable mild steel body for strength and long service life

• Low-pressure drop design for efficient operation

• Quick response to flow changes

• Suitable for various manual and automated pipeline systems

Applications:

• Water supply and distribution pipelines

• HVAC and cooling systems

• Industrial process and utility pipelines

• Fire protection and irrigation systems

• Light industrial and municipal piping networks

The Disc Check Valve is a reliable valve designed to allow unidirectional flow while preventing backflow in pipelines. Its disc-shaped closure element automatically swings or lifts to stop reverse flow, protecting pumps, compressors, and other pipeline equipment from damage.

Manufactured from durable materials such as stainless steel, carbon steel, or cast iron, the valve ensures corrosion resistance, durability, and long-term performance in industrial, commercial, and municipal applications. Its compact design allows easy installation and minimal maintenance.

Key Features:

• Disc-type mechanism for fast and reliable backflow prevention

• Durable construction for long service life

• Smooth operation with minimal pressure drop

• Suitable for horizontal and vertical installation

• Low maintenance and cost-effective design

• Available in flanged, threaded, or wafer-type configurations

Applications:

• Water supply and distribution pipelines

• Oil, gas, and petrochemical process lines

• HVAC and industrial process systems

• Fire protection and irrigation networks

• High-pressure and high-temperature fluid systems

The MS (Mild Steel) Swing Check Valve is a robust valve designed to allow fluid flow in one direction while preventing backflow, protecting pumps, compressors, and other pipeline equipment. Its swing-type disc mechanism ensures smooth operation and reliable backflow prevention in industrial and utility pipelines.

Manufactured from high-quality mild steel, the valve offers excellent strength, durability, and cost-effective performance in moderate pressure and temperature applications. Its compact design allows easy installation in both horizontal and vertical pipelines.

Key Features:

• Durable mild steel construction for strength and long service life

• Swing-type disc for reliable backflow prevention

• Smooth operation with minimal pressure drop

• Suitable for horizontal and vertical installation

• Available in flanged, screwed, or welded end connections

• Low maintenance and cost-effective solution

Applications:

• Water supply and distribution pipelines

• HVAC and cooling systems

• Industrial process and utility pipelines

• Fire protection and irrigation systems

• Oil and gas pipelines for non-corrosive fluids

The Cast Iron Ball Valve is a durable and reliable valve designed for on/off flow control in pipelines carrying water, oil, air, and other industrial fluids. Manufactured from high-quality cast iron, it offers excellent strength, corrosion resistance, and long-lasting performance, making it suitable for industrial, municipal, and commercial applications.

The valve features a quarter-turn ball mechanism, ensuring smooth operation, tight shut-off, and minimal pressure drop. Available in flanged, threaded, or wafer end designs, it can be operated manually or with pneumatic/electric actuators for automation.

Key Features:

• Robust cast iron construction for strength and durability

• Quarter-turn ball operation for fast and reliable flow control

• Flanged, threaded, or wafer end connections for versatile installation

• Manual or actuator-operated options

• Corrosion-resistant and low maintenance

• Suitable for moderate pressure and temperature applications

Applications:

• Water supply and distribution systems

• Industrial process pipelines

• HVAC and utility systems

• Chemical and pharmaceutical industries

• Wastewater and effluent pipelines

The Cast Iron Check Valve is a reliable valve designed to prevent backflow in pipelines, ensuring unidirectional flow of liquids and gases. Manufactured from high-quality cast iron, it offers strength, durability, and corrosion resistance, making it suitable for water, sewage, and industrial piping systems.

The valve features a swing or lift mechanism that automatically closes when flow reverses, protecting pumps, compressors, and other equipment from damage. Its compact design allows for easy installation in various piping arrangements.

Key Features:

• Robust cast iron construction for durability and long service life

• Prevents backflow, ensuring unidirectional flow

• Available in swing or lift configurations

• Low-pressure drop and smooth operation

• Suitable for moderate-pressure and temperature applications

• Minimal maintenance required

Applications:

• Water supply and distribution systems

• Wastewater and sewage pipelines

• Industrial process pipelines

• HVAC and utility systems

• Pump protection in industrial installations

 

The Swing Check Valve is a reliable valve designed to allow fluid flow in one direction while preventing backflow in pipelines. Its swing-type disc mechanism automatically closes when flow reverses, protecting pumps, compressors, and other pipeline equipment from damage.

Available in various materials such as stainless steel, cast iron, carbon steel, and mild steel, the valve provides durability, corrosion resistance, and long-term performance across a wide range of industrial, commercial, and municipal applications.

Key Features:

• Swing-type design for reliable backflow prevention

• Smooth operation with minimal pressure drop

• Durable construction for long service life

• Suitable for horizontal and vertical pipeline installation

• Available in flanged, threaded, or welded end connections

• Low maintenance and cost-effective solution

Applications:

• Water supply and distribution systems

• Oil, gas, and petrochemical pipelines

• HVAC and industrial process lines

• Fire protection and irrigation systems

• Steam and high-temperature fluid systems

The 3-4 Way Ball Valve with Screwed End is a versatile valve designed for diverting, mixing, and controlling the flow of liquids and gases in industrial piping systems. Constructed from high-quality stainless steel, carbon steel, or brass, it offers durability, corrosion resistance, and reliable performance.

The valve features a multi-port design (3-way or 4-way) that allows flow direction to be changed or combined, making it ideal for complex piping arrangements. The screwed end connections provide easy installation without flanges, suitable for compact systems and moderate-pressure applications. It can be operated manually or fitted with pneumatic/electric actuators for automated control.

Key Features:

• High-quality construction for durability and corrosion resistance

• 3-way or 4-way design for flow diversion and mixing

• Screwed end connections for easy installation

• Manual or actuator-operated options available

• Tight sealing with minimal leakage

• Suitable for moderate pressure and temperature applications

Applications:

• Chemical and pharmaceutical industries

• Water treatment and industrial pipelines

• Oil, gas, and process systems

• HVAC and utility piping systems

• Applications requiring flow diversion or mixing

The Stainless Steel Swing Check Valve is a precision-engineered valve designed to allow unidirectional flow and prevent backflow in industrial and commercial piping systems. Made from high-quality stainless steel, it ensures excellent corrosion resistance, durability, and reliable long-term performance in demanding environments.

The valve features a swing-type disc, which automatically closes when flow reverses, protecting pumps, compressors, and pipelines from damage. Its design minimizes pressure drop while providing smooth operation in both horizontal and vertical installations.

Key Features:

• Corrosion-resistant stainless steel body and disc

• Swing-type mechanism for reliable backflow prevention

• Smooth operation with minimal pressure drop

• Suitable for horizontal and vertical pipeline installation

• Durable design for long service life

• Available in flanged, threaded, or welded end connections

Applications:

• Water supply and distribution systems

• Oil, gas, and petrochemical pipelines

• HVAC and industrial process lines

• Steam and high-temperature fluid systems

• Fire protection and irrigation networks