Round/Rectangular Bubble Tight Damper Zero Leak Airtight Valve for Biochemical Lab Bibo

Round/Rectangular Bubble Tight Damper Zero Leak Airtight Valve for Biochemical Lab Bibo. Zero Leakage Performance: Maximum leakage of 0 @ 2.5 Kpa, suitable for L3+ biosafety labs. SUS304 Construction: Frame made of SUS 304 stainless steel with 3mm blade and 5mm flange. Customizable Dimensions: Sizes range from Dia 152mm to Dia 900mm; flange shape customizable. High Air Tightness: Hourly leakage rate does not exceed 0.25% of test volume under pressure. Versatile Sealing Options: Blade seals available in Silicone Rubber or Pressed Neoprene. Dual Control Modes: Available as electric bubble tight damper or manual operation. ISO9001 Certified: Manufacturing process certified under ISO9001 quality standards. Safety Isolation: Isolates contaminated filters in Bag-In/Bag-Out systems for personnel protection.