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Designed specifically ,The Series JS Valve for fitting to Big Bag discharge stations to allow controlled product discharge from Flexible Intermediate Bulk Containers (FIBC).

Body parts for the JS Iris Valve are made from aluminium. The control ring is produced from zinc aluminium. Fasteners are made from stainless steel and the Triggers are nylon

Ideally suited for choking the necks and controlling the flow of material from Big Bags and FIBC
Also Can be used for in-line and open discharge applications

Flow control is excellent
Design is slim
Controlled product discharge
Dust tight closure
Gentle, but sure cut off – this saves material being wasted
It is quick and simple to use
Ability to easily mount to Big Bag stations
Fixing hole options allow the valve to be used in-line

Suitable for handling material densities up to 1000 Kg / m³
Concentric opening/closing for ideal flow characteristics
Multi-notched body for maximum flow control Has a single diaphragm for dust tight closure The Tapered valve inlet prevents damage to the bag and aids flow
Fabric diaphragms ensure gentle, but sure shut off Robustly constructed Fixing holes in Top and Bottom flanges at no extra charge
Bore sizes are 300mm with hand lever and 380mm and 460mm with hand wheel