Straight through valve Perfexim 3/4" cast iron galvanized PN10 DN20

Straight through valve Perfexim 3/4" cast iron galvanized PN10 DN20 is an inline shutoff valve designed for controlling flow in plumbing and heating systems. The valve features a cast iron body with a galvanized finish to improve corrosion resistance and a compact 3/4" (DN20) size suitable for common residential and light commercial pipelines. It is constructed to meet PN10 pressure class requirements and is intended for use with potable and non-potable water where a PN10 rating is required.

Advantages

The cast iron body provides mechanical strength for reliable service in routine piping installations while the galvanized coating reduces surface corrosion and extends service life in typical domestic and commercial environments. The straight-through (inline) configuration enables straightforward installation in runs of pipe and contributes to low pressure drop when fully open. Its DN20 size and PN10 rating make it compatible with standard residential plumbing and heating components.

Suitable for

• Residential cold and hot water supply lines
• Light commercial plumbing and small heating circuits
• Branch shutoff points in potable and non-potable water systems
• Maintenance and isolation of pipeline sections

Key specifications

• Valve type: straight-through (inline) shutoff valve
• Body material: cast iron with galvanized coating
• Nominal size: 3/4" (DN20)
• Pressure rating: PN10
• Media: potable and non-potable water
• Connection: standard threaded/pipe connection for DN20 piping

How to use

Install the valve in-line with the pipe run, ensuring the valve orientation follows the flow direction if marked. Use appropriate thread sealant or sealing tape on pipe threads and tighten to recommended torque for DN20 fittings. Open and close the valve using the handwheel or actuator provided; operate slowly to avoid water hammer. For integration into heating systems, ensure the system is depressurized and drained before removal or installation. After installation, perform a pressure test to confirm there are no leaks at connections.

Usage recommendations

For long-term reliability, avoid exposure to aggressive chemicals or highly corrosive environments. Periodically operate the valve to prevent seizing, and inspect joints for signs of leakage or corrosion. Match the valve to PN10-rated system components and observe local plumbing codes when installing the valve in potable water systems.