Designed to first expand and then accelerate the foam to high velocity the HV-Series is capable of long throws beyond the range of many older designs. Standard models are designed for use in conjunction with Delta Z-Series Variable Foam Inductors and Self-Inducing models with quick release pick-up sticks are also available for foam induction direct from the drum.Manufactured by Delta in the UK the HV-Series has a light alloy body, powder-coated inside and out for resistance to corrosion. Finished in epoxy polyester International Orange or High-Viz Yellow the HV-Series can be supplied with a wide range of International inlet adaptors for compatibility to existing hose lines.Optional On/Off ball valves can be supplied for ease of operator control and carrying handles are fitted as standard on the larger HV-450 & HV-900 models.