The αβ valve (split butterfly valve) provides fully enclosed containment space for transferring sterile or high-hazard materials. It supports CIP/SIP, features metal-to-metal disc sealing and multi-lock anti-misoperation design. Constructed of 316L stainless steel with FDA-compliant FKM seals, it meets GMP, FDA and EU standards. Suitable for pharmaceutical, biotech, chemical, food and high-containment processes with standard and custom sizes available.
The split butterfly valve, also named αβ valve or ab valve, adopts containment transfer technology to form a complete closed isolation space. It is ideal for containment transfer of sterile or high-risk materials.
This αβ valve supports Clean-in-Place (CIP) and Sterilization-in-Place (SIP). After material transfer, the active valve and passive valve return to the coupled state. A sealed cavity forms between the two halves. Clean or sterilizing media can be injected into this cavity for cleaning and sterilization, then the active and passive valves can be fully separated safely.
Features
Body material: 316L stainless steel
Seal material: Food-grade FKM, compliant with FDA requirements
Supports Clean-in-Place and Sterilization-in-Place (CIP/SIP)
Multi-lock mechanism to prevent misoperation
Standard clamp connection interface; custom connections available
Valve operation and product transfer controlled from outside the containment vessel
Simple operation, easy installation and low maintenance cost
Compliant with the latest GMP, FDA and EU manufacturing requirements
Technical Parameters
Valve disc sealing: Metal-to-metal face sealing
Body material: 316L stainless steel
Sealing material: Food grade FKM (FDA compliant)
OEL: ≤10 ug/m³
OEB: ≥4
Pressure resistance: ≥0.25 MPa
Application
Pharmaceutical, biotechnological, chemical, food, beverage, nuclear and CDC laboratories.
Application Cases
Sterile API transfer and subpackaging
Material charging and discharging for isolators
Contained dispensing, feeding, discharging, sampling and milling operations
Containment transfer of sterile rubber stoppers
Transfer of toxic hazardous products
Specifications
Standard sizes: 50mm, 100mm, 150mm, 200mm, 250mm, 300mm
Connections: PN6, PN10, ANSI#150, Tri-Clamp
Custom: Non-standard sizes are acceptable
