Non Return Valves

Get a Price/Quote

MOQ : 1000 Units

Non Return Valves Specification

Material
Brass / Stainless Steel / Cast Iron / PVC

Control System
Manual

Valve Type
Check Valve

Valve Size
1/2 inch, 3/4 inch, 1 inch, 2 inch, up to 6 inch

Connection Type
Screwed, Flanged, Socket Weld

Features
Corrosion Resistant, Leak Proof, Durable

Application
Industrial, Water, Gas, Oil, HVAC, Pipeline Systems

Sealing
EPDM / NBR / PTFE

Structure
Swing / Wafer / Lift / Ball Type

Type
Non Return Valve (NRV)

Power
Manual

Pressure
PN10, PN16, PN20

Media
Water, Oil, Gas, Air or Steam

Port Size
1/2 to 6 (DN15DN150)

Temperature
-10C to 180C

Disc
Stainless Steel / Brass

Pin
Stainless Steel

Non Return Valves Trade Information

Minimum Order Quantity
1000 Units

Supply Ability
30 Units Per Day

Delivery Time
1-2 Week

About Non Return Valves

As a certified entity, we are offering marvelous series of Non Return Valves. They are generally used for liquids or gases to flow through in one direction. Available in numerous specifications and other customize options; we manufacture these valves by making usage of the optimum quality materials. These valves are mechanical device that remarkably allows liquid to flow without any hassle. Furthermore, the offered range of Non Return Valves go through a series of quality checks in order to ensure its best quality prior dispatch.

Non Return Valves Features:

Accurate dimension
Rigid construction
Easy to install

Versatile Application Across Industries

Our NRVs are engineered for use in industrial, water, gas, oil, HVAC, and pipeline systems. Their compatibility with multiple media, including water, oil, gas, air, and steam, allows widespread usage in various sectors. Built for both horizontal and vertical installation, they suit diverse operational requirements.

Robust Design and Material Options

Manufactured from premium materials such as stainless steel, brass, cast iron, and PVC, these valves are built to handle demanding environments. The epoxy or painted finish enhances corrosion resistance, while options for disc and seal materials (Stainless Steel, Brass, EPDM, NBR, PTFE) ensure long-term leak-proof performance.

FAQs of Non Return Valves:

Q: How do Non Return Valves ensure unidirectional flow in pipelines?

A: Non Return Valves are designed to allow fluid to flow in only one direction, preventing any reverse movement. The internal disc or ball mechanism closes automatically if backflow occurs, thus protecting equipment and maintaining process integrity.

Q: What industrial applications are suitable for these NRVs?

A: These valves are ideal for industrial pipelines, water treatment plants, oil and gas distribution, HVAC systems, and power plants. Their ability to handle different mediasuch as water, oil, gas, air, or steammakes them suitable for a broad spectrum of uses.

Q: Where can these NRVs be installed for optimal performance?

A: NRVs can be installed in both horizontal and vertical positions within pipeline systems. Choosing the appropriate position and valve structure (swing, wafer, lift, or ball type) ensures optimal flow control and prevents backflow effectively.

Q: What advantages does epoxy or painted coating provide?

A: Epoxy and painted coatings offer excellent corrosion protection, extending the valves service life even in harsh industrial environments. This makes them particularly beneficial for applications involving aggressive chemicals or outdoor installations.

Q: What is the significance of zero leak or bubble tight seat leakage?

A: A zero leak or bubble tight rating assures that the valve prevents any backflow, even under high pressure. This is crucial in applications where contamination or fluid loss must be avoided, ensuring operational safety and efficiency.

Q: How is the appropriate port size or pressure rating selected for a specific system?

A: Port size should correspond to the pipeline diameterranging from 1/2 inch to 6 inch (DN15DN150)while pressure rating (PN10, PN16, PN20) should match or exceed the systems maximum operating pressure to guarantee safe and efficient performance.

Q: What are the benefits of using manual control in these NRVs?

A: Manual control provides straightforward operation, ease of maintenance, and reliability. This feature is especially advantageous in applications requiring simple flow regulation without additional automation or power requirements.

Tell us about your requirement