Perfexim check valve A.PHA-013 3/4" anti-seepage (model 01-013-0200-000)

Perfexim A.PHA-013 3/4" anti-seepage check valve is a compact non-return valve engineered to prevent backflow and unwanted seepage in fluid and water systems. Designed for one-way flow control, this 3/4" valve is suitable for plumbing, heating and pump installations in domestic and light commercial settings. The valve enables secure operation of pipelines by allowing flow in the intended direction while blocking reverse flow that could compromise system performance or cause contamination.

Advantages

The valve provides reliable anti-backflow protection with a straightforward, low-profile design that fits standard 3/4" pipe connections. Manufactured to ensure consistent sealing under normal operating pressures, it reduces the risk of leakage and protects pumps and appliances from reverse flow. Its compact construction simplifies installation in confined spaces and requires minimal maintenance during routine system checks.

Suitable for

• Domestic cold and hot water supply lines
• Central heating circuits and boiler return lines
• Pump discharge lines to prevent backflow when pumps stop
• Light commercial plumbing and small hydronic systems

Key specifications

• Connection size: 3/4" (suitable for corresponding threaded pipe fittings)
• Function: non-return / check valve enabling one-way flow control
• Application: water and general fluid systems for plumbing, heating and pumping
• Installation orientation: inline — follow flow direction marking on valve body
• Design: compact, low-profile construction suitable for confined spaces

How to use

Install the check valve inline in the piping system so that the flow direction marking on the valve body matches the intended flow. Prepare mating threads or fittings and apply suitable thread sealant or tape as recommended for the pipe material to ensure a watertight connection. Tighten the valve into place using appropriate tools without over-torquing to avoid damaging housing or threads. After installation, run the system and check for leaks; verify that flow occurs in the intended direction and that no reverse flow or seepage is present when the system is idle.

Usage recommendations

Inspect the valve periodically as part of routine maintenance, especially after winter shutdowns or pump service. Maintain the surrounding piping and fittings to prevent strain or misalignment that could affect sealing. If the system carries aggressive fluids, confirm material compatibility before installation. Replace the valve if signs of persistent leakage or internal wear are detected.