1) Ball valve QH Manually operated shut-off valve in sturdy polymer design. Shut-off valve, manually operated In-line installation Female thread at both ends With hand lever Pipe thread to ISO 2281 Manual lever-operated ball valve 2/2-way shut-off function Suitable for compressed air systems Threaded or push-in (QS) connection options Soft sealing & compact design Screw-in / inline mounting availabl Operating pressure: approx. –1 to 10 bar Operating medium: compressed air (ISO 8573-1) Temperature range: 0 to 60 °C Flow rate: depends on size (approx. 148 – 560 l/min for QS types; much higher for threaded sizes) FESTO QH-1/4 (G1/4) FESTO QH-3/8 (G3/8) FESTO QH-1/2 (G1/2) FESTO QH-3/4, QH-1, QH-1½ FESTO QH-QS-4 / QS-6 push-in tube type 2) Ball valve QH-QS, QHS-QS Manually operated shut-off valve in sturdy polymer design and with plug connections Shut-off valve, manually operated In-line installation, can be screwed in, bulkhead fitting Variants: thread at both ends, push-in connector at both ends, thread/push-in connector 3) Shut-off valve HE Manually operated valve in sturdy polymer design. Shut-off valve, manually operated Connection: thread at both ends, push-in connector at both ends, thread/push-in connector Different mounting options 4) Hand slide valve VBOH Elegant, non-overlapping shut-off valve for high flow rate and operating pressure. Used as a shut-off function for pressurising and exhausting compressed air systems, for example upstream of service units, for air guns and also for exhausting pneumatic cylinders Non-overlapping, so no pressure losses when switching Minimal installation effort