Non Return Valve Manufacturer in Ahmedabad

We manufacture a broad assortment of finest quality Non Return Valves under the brand name of Controtek. This valve prevents or curtails the possibility of back flow of fluids through the pipes. Hence is very useful in any trail where it is necessary that the fluid flows in uni- direction without reversing.

Our valves can be fixed in a vertical as well as horizontal position. This valve is precisely engineered, thus there is no issue of leakage. We manufacture this valve with excellent quality of raw-material with greatest care for quality hence it is very durable. Our check valves are immensely preferred by our clients because it has no risk of flooding or reverse flow when the system shuts down or due to gravity.

Salient features :

Precise in dimensions
Long lasting
Resistant to Corrosion
Excellent performance
Cost-effective
Very reliable and consistent in operations
Low maintenance

Applications :

Air conditioners,
Chemical plants
Water cooler systems
Heaters
Irrigation systems
Petrochemical industries
Pumping systems
Washing machines

Non Return / Check Valve - Technical Specification
Size Range	50 NB through 300 NB
Pressure Rating	ANSI - 150#, 300#, 400#, 600#, 900#, 1500#, 2500#
Type	Swing/ Lift
End Connection	Flanged/ Butt Weld
Operation	Automatic with return pressure
Port Opening	Full
Seat	Integral/ Renewable/ Weld deposited
Disc	Solid
Gasket & Packing	PTFE/ Graphite/ Asbestos/ Spiral wound/ Ring joint
MOC	Refer Material Chart
Design Code	BS 1868
Testing	BS 5146
Inspection	3rd Party/ Client/ Manufacturer

Frequently Asked Questions

1. What is a Non Return / Check Valve? +

A Non Return / Check Valve is an automatic valve designed to allow fluid flow in one direction while preventing reverse flow. It operates without manual or external actuation and helps protect pipelines and equipment from backflow.

2. Where are Non Return / Check Valves commonly used? +

Non Return / Check Valves are widely used in water treatment, oil and gas, chemical processing, petrochemical, power generation, pumping systems, wastewater treatment, and general industrial piping applications.

3. What are the main advantages of Non Return / Check Valves? +

These valves provide automatic backflow prevention, reliable operation, reduced risk of pipeline damage, and protection for pumps and other equipment. Their automatic operation also eliminates the need for manual control during normal service.

4. Can Non Return / Check Valves be used for liquids and gases? +

Yes, Non Return / Check Valves can be designed for both liquid and gas applications. The appropriate valve type, body material, pressure rating, seat material, and size should be selected according to the process media and operating conditions.

5. How does a Non Return / Check Valve operate? +

The valve opens automatically when the fluid pressure moves in the permitted direction. When the flow decreases or reverses, the internal disc, ball, or other closing element returns to the closed position and prevents reverse flow.

6. What maintenance is required for a Non Return / Check Valve? +

Regular maintenance includes inspecting the valve body, disc, seat, spring, and sealing components for wear, corrosion, deposits, or leakage. Periodic inspection and cleaning help ensure smooth operation and extend the valve's service life.