LENO™ MSV-B is a new generation of manual valves for balancing flow in heating, cooling and domestic hot water systems. LENO™ MSV-B is a combined presetting and shut off valve with a range of unique features: Removable hand wheel for easy mounting. Numeric presetting scale, visible from more angles. Easy locking of presetting. Built-in measuring nipples for 3mm needles. Open-close with Allen key in emergency. Open-closed colour indicator. It is recommended to use LENO™ MSV-B in constant flow systems in front of boilers, flat stations or heat pumps in one-family houses for balancing, shut off function for service and repair, flow verification, one-pipe systems. The valve may be mounted in flow or return. DN 15 valves are available with internal or external thread. Other dimensions with internal thread.