FK-4 RPZ backflow preventer outlet type BA, figure 367 01 025

Product Features

• to protect drinking water against backflow of fluids up to and including category 4 according DIN EN 1717 / DIN 1988-100
• suitable for connection to the elbow wallplates
• wetted metal parts made from dezincification-free and corrosion-resistant gunmetal, resistant against aggressive water
• inlet male pipe thread
• gunmetal cone
• EPDM-seat gasket
• with stainless steel mesh at inlet
• integrated differential pressure controlled and low-maintenance protection cartridge including CV
• with controllable reduced pressure zone
• test ports for connection of test valves for maintenance
• plastic drain connection according EN 1717
• with a black handwheel
• free from dead spots
• for horizontal installation, drain valve down
• with isolating function for maintenance
• discharge side G 1 1/4 according to ISO 228 for the connection of a hose coupling
• Open position indicator
• maintenance requirements in accordance with DIN EN 806-5 must be complied with

Standards and Approvals

• DVGW approval
• KIWA approval
• BELGAQUA approval
• VA approval
• plastic parts with KTW and W 270 approval
• according to DVGW W 408
• according to accepted materials list from German environmental agency
• soundproofing certification according to DIN EN ISO 3822 Class 2
• DIN EN 10226 / EN 1717

Technical Data

• pressure rating PN 10
• max. operating temperature 60 °C
• short-term peak temperature 65 °C