Corkill Systems Ltd 5 Tasman St, PO Box 16,Opunake , Opunake , Taranaki 4616 New Zealand About Solutions products Companies Corkill Systems Ltd Products 1 products found Products CSL - Model Milkflow - Electronic Variable Speed Milk Pump Controller Features Include: Separate milk and wash programs. Manual pump out function. Suitable for all types of milk pumps. Suitable for all size of receiving cans. Suitable for all plant types. IP66 waterproof enclosure.