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The Series H Iris valves were designed specifically for open discharge applications on outlets of small and intermediate bulk containers (Rigid IBCs).
The Series H Iris Valve is suitable for handling materials with bulk densities up to 900 Kg / m³.
This low cost, compact valve has been fitted to many thousands of IBC’s globally all over the world. Its ease of operation, reliability and excellent regulation of discharge rates make it extremely popular with operators, the world over

100mm, 250mm and 300mm diameter Iris valves are made from gravity die cast aluminium with an anodised finish 150mm and 200mm diameter Iris valves are made from high pressure die cast aluminium with an anodised finish

The Series H Iris valves is used as an outlet valve for the regulation of material flow from the bottom of Intermediate Bulk Containers
Used as an outlet valve on Dust Collection Hoppers Can be used for Glanding around plastic pipes on extrusion cooling baths
Also for Choking the ‘necks’ of Big Bags, where a smaller valve is required
The H Valve can be certified for ATEX Zone 22D provided that an Anti-Static diaphragm material is used

Additional notches for enhanced flow regulation can be added
Available also is a Quick release transit cover with gasket for extra security during transportation of IBCs
A quick release adaptor for valve mounting (150mm and 200mm Iris valves)
Also a Stainless steel Top Clamp Plate (Subject to special quotation)

It is Non jamming
It is Low cost
Excellent regulation of discharge rates
Dust tight closure
It has a wide range of diaphragms to suit a number of product applications
Spare diaphragms and liners are inexpensive and easy to replace
Easy and efficient valve to operate and maintain
Safe, gentle and strong – Able to handle a large variety of products

Features a Single diaphragm for dust tight closure
Simple construction suitable for materials up to 900 kg/m³
Diaphragm adjustment In -situ Hand operated
Features a quick release adapter. A disposable polythene liner can be incorporated with the quick release adapter
A wide selection of diaphragms are available to suit a variety of applications
Contact parts are FDA approved
Bore sizes from 100mm to 300mm
150mm & 200mm valves have multi notched bodies as standard