Automatic Iris Diaphragm Valve series K2P. Ideally for product shut off and flow control of all kinds of bulk materials as well as tablets and capsules, because the rubber diaphragms of the valve are gentle to the product. Diaphragms are available in natural rubber, EPDM or silicon, all FDA approved. Operated either by an air or an electro motor. All parts are manufactured in 316L stainless steel or other food and pharmaceutical conform materials. Keyser & Mackay distributes these articles only in Germany. For other countries, please contact Process Components Ltd, 0044 (0) 162 541 2000, www.pro-components.com