• Flange type ball check valve.
• Sinking ball made of steel covered with NBR / EPDM.
• Minimum back pressure for tightness 0.2 to 0.7 bar.
• Full straight bore ensures low pressure loss.
• Face to face dimension according to EN 558 series 48.
• Connection dimension according to EN 1092-2 PN10 / PN16.