Check Valve 3121 DN15 (Non-Return Valve)

Description

The 3121 DN15 is a check valve designed to prevent reverse flow of liquids or gases in pipeline systems. It allows flow in only one direction and automatically closes when back pressure occurs, protecting pumps and equipment.

It is widely used in water supply systems, heating systems, gas lines, and industrial pipelines.

Technical Specifications:
• Model: 3121
• DN: 15 mm
• Type: check valve (non-return valve)
• Working medium: water, air, gas, technical fluids
• Working pressure: up to 1.6 MPa
• Temperature range: 0°C to +90°C
• Connection type: threaded
• Material: brass / steel (depending on version)
• Opening pressure: low (spring-loaded mechanism)

Advantages:
• Prevents backflow automatically
• Protects pumps and equipment
• Simple and reliable design
• Low maintenance requirement
• Long service life
• Wide application range