Float Valve – Automatic Liquid Level Control Valve
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Float Valve – Automatic Liquid Level Control Valve

Manufacturer: Neza Engineering Co.

Technical Specifications of Float Valve

ParameterSpecification
Product NameFloat Valve
MaterialStainless Steel SS 304 / SS 316 / SS 316L
Size Range (OD)½” to 4”
End ConnectionTC End / Threaded / Socket Weld / Flanged
Valve TypeGlobe Pattern / Angle Pattern
Float TypeHollow SS Ball / PTFE / Polypropylene Float
OperationAutomatic (mechanical float-actuated)
ApplicationLiquid level control in tanks, vessels, and pipelines
Pressure RatingUp to 10 bar
Temperature Range-10°C to +120°C
Surface FinishMirror / Matt / Electro Polished
Installation OrientationVertical or Horizontal
Sealing MaterialPTFE / EPDM / Nitrile
ManufacturerNeza Engineering Co.

Product Overview

The Float Valve manufactured by Neza Engineering Co. is a mechanically operated valve used to control and maintain liquid levels in tanks, overhead vessels, pipelines, or reservoirs. It automatically opens or closes the flow of liquid based on the position of a float connected to the valve’s internal mechanism.

Designed using high-grade stainless steel, this valve ensures long-term reliability, corrosion resistance, and hygienic performance, making it suitable for dairy, food processing, pharmaceutical, beverage, chemical, and water treatment applications.

Key Features

1. Automatic Flow Control

The float mechanism rises and falls with the liquid level. When the level drops below the set point, the valve opens to refill the tank. Once the liquid reaches the desired level, the float closes the valve to prevent overflow.

2. Hygienic Construction

Manufactured with SS 316L or SS 304, the internal and external surfaces are polished and crevice-free to maintain hygiene. It complies with 3A, FDA, and GMP requirements for sanitary processes.

3. Reliable Sealing

The internal valve seat is designed for zero leakage, with optional PTFE or EPDM seals to ensure compatibility with various fluids and temperatures.

4. Maintenance-Free Operation

No external power source or air supply is needed. The mechanical float mechanism ensures consistent, automatic operation without manual intervention or maintenance.

5. Wide Compatibility

Float valves are compatible with storage tanks, process vessels, filter units, RO systems, WTPs, and overhead water tanks. The variety of float materials and connection types makes them adaptable to a wide range of installations.

Applications of Float Valve

  • Dairy & Beverage Tanks – Auto fill and maintain milk, water, or syrup levels.

  • Pharmaceutical Process Vessels – Ensure controlled inflow of process water or buffers.

  • Chemical Reactors – Level regulation for neutralization or reaction tanks.

  • Water Treatment Plants (WTP/ETP/RO) – Maintain tank levels without manual control.

  • Cooling Towers & Industrial Water Systems – Automatic water refill based on evaporation loss.

Types of Float Valves Offered

  1. Tank-Mounted Float Valve
    Installed inside tanks with a horizontal float arm.

  2. Inline Float Valve
    Installed directly into the pipe, typically with vertical float configuration.

  3. Angle Type Float Valve
    Compact design where inlet and outlet are at 90° angles.

  4. High Pressure Float Valve
    Reinforced body and float for use in pressurized systems.

  5. PTFE-Coated or Polypropylene Float Valve
    For corrosive chemical applications or acidic fluids.

Advantages of Neza Engineering Co. Float Valves

  • ✅ 100% automatic liquid level control

  • ✅ No power or actuator required – purely mechanical

  • ✅ Manufactured using high-quality SS 316L / 304

  • ✅ Available in custom sizes and connection types

  • ✅ Easy to install, clean, and inspect

  • ✅ Designed for hygienic and industrial process compatibility

  • ✅ Long operating life with minimal maintenance

Installation & Usage Tips

  • Install at the correct elevation point where liquid level control is required.

  • Ensure the float arm has unrestricted movement inside the tank.

  • Periodically check for debris or sediment buildup that might hinder movement.

  • Choose proper float material for your fluid type (SS or Polypropylene for chemicals).

Customization Options

We manufacture custom float valves based on your tank diameter, inlet pressure, connection preferences (TC / threaded / flange), and float type. For special media, rubber-lined or PTFE-coated valves are also available.

Why Choose Neza Engineering Co.?

With years of experience in manufacturing stainless steel process fittings and valves, Neza Engineering Co. ensures every float valve is manufactured under strict quality controls, tested for leak-proof performance, and designed to last in tough conditions. We supply float valves to OEM machinery manufacturers, WTP plant builders, dairy equipment integrators, and pharmaceutical companies across India and abroad.

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