What do these products do in this instrument?
Tubing pinch-off solutions: isolation of flexible-tubing branches
Open and close branches in culture or transfer configurations using flexible-tubing control, coordinated with supply and maintenance sequences. Tubing, fittings and replacement procedures jointly define wetted contact and contamination-control boundaries.
Discuss tubing pinch-off for the specific project. Tubing and fittings define the liquid-contact path. Validate tubing material, wall thickness, pinch seal and replacement procedure together, and assess cleaning or sterilization across the complete path.
Match the pinch location to tubing condition
Confirm pinch-off and release conditions for the actual tubing material, ID/OD, wall thickness and operating pressure. Identify isolation locations and permitted flow states, and check that actuator motion and tubing reopening are compatible.
Check pinch sealing and recovery after replacement
Measure leakage when clamped and flow when released, including actual cycles and post-maintenance checks. After replacing tubing, reconfirm positioning, sealing and restart performance. Validate cleanliness of the complete section together with its connections, assembly and cleaning procedure.
Translate actual branch conditions into configuration requirements
| Condition | To confirm |
|---|---|
| Tubing conditions | Confirm material, inner and outer diameters, wall thickness and actual pressure. |
| Pinch-off and power-loss states | Check pinch location, action timing and the acceptable state after power loss. |
| Maintenance recovery | Check leakage when pinched, flow when released and repeatability after tubing replacement. |
Compare product configurations by the roles on this page
Confirm this tubing-pinch option against the actual medium, pressure, connections and operating procedure. This page describes application roles and validation conditions; discuss specific product configurations for the project.
Confirm product roles in actual operation
Compare viability, recovery and cell condition before and after transfer, and validate the required contamination controls.
Does clamping tubing establish sterile isolation?
Evaluate the complete tubing, fittings, assembly and cleaning or sterilization procedure. Pinching only establishes opening or closure at a particular location.
Low shear and sterility are validation objectives for the complete flow path. Neither a diaphragm pump nor a pinch valve alone establishes them.