Sales and advice call +44 (0)1625 412000
+1 215 788 8013
Lines Open: 08:00-17:00 Mon-Thurs | 08:00-16:00 Fri
  1. English
  2. Français
  3. Deutsch
  4. Español
  5. Italiano
  6. About UsNews

H Series Iris Valve

Designed for rigid or semi-rigid IBCs where only open discharge is required

H Series Iris Valve


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 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 the world over. Its popularity with operators is owed to its ease of operation, reliability and excellent regulation of discharge rates.


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


  • An outlet valve for the regulation of material flow from the bottom of Intermediate Bulk Containers
  • Outlet valve on Dust Collection Hoppers
  • Glanding around plastic pipes on extrusion cooling baths
  • 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
  • Quick release transit cover with gasket for extra security during transportation of IBCs
  • Quick release adaptor for valve mounting (150mm and 200mm Iris valves)
  • Stainless steel Top Clamp Plate (Subject to special quotation)


  • Non jamming
  • Low cost
  • Excellent regulation of discharge rates
  • Dust tight closure
  • Wide range of diaphragms to suit a wide range of product applications
  • Spare diaphragms and liners are inexpensive and easy to replace
  • Easy and efficient valve operation and maintenance
  • Safe, gentle and strong - Able to handle a large variety of products


  • Single diaphragm for dust tight closure
  • Simple construction suitable for materials up to 900 kg/m³
  • In-situ diaphragm adjustment
  • Hand operated
  • Quick release adapter. A disposable polythene liner can be incorporated with the quick release adapter
  • Large selection of diaphragms are available to suit a variety of applications
  • FDA approved contact parts
  • Bore sizes from 100mm to 300mm
  • 150mm & 200mm valves have multi notched bodies as standard
Need advice?
Call +44 (0)1625 412000 / Email
Call +1 215 788 8013

Lines open 08:00-17:00 Mon-Thurs | 08:00-16:00 Fri


Enquire now »


Image Gallery

Online Brochure

DQS Shapa
Live Help