Flow control valve for piping-system assembly Steel / Stainless Steel AVAILABLE SIZES PORTING PATTERN DIN ISO 228 Female thread, ANSI B1.20.1 NPT Female thread, SAE J 514 ISO/DIS 11926-1 Female thread ACCESSORIES ON REQUEST • Panel mounting kit MATERIAL CODE DESCRIPTION Materials Flow control Stainless Steel Stainless Steel Tmin / Tmax GENERAL DIMENSIONS Type

Flow control valve for piping-system assembly Steel / Stainless Steel NDV ORDER CODE PER MATERIAL COMBINATION CONNECTION TYPE Please note the pressure ratings of the tube connections! Flow control ANSI B1.20.1 NPT FEMALE THREAD *Article usually in stock. Flow control valves should not be used as shut-off device. Small leakage rates may occur in fully closed position. (DIN EN 12266 – leakage rate A-B – test

Flow characteristics NDV, NDRV, NDVP, NDRVP The flow values are valid for hydraulic oil (spissitude 880 kg/m3) and the kinematic viscosity v of 35 mm2/s. NDV/NDRV/NDVP/NDRVP-DN8 handle turns - the higher the number, the wider open the valve handle turns - the higher the number, the wider open the valve handle turns - the higher the number, the wider open the valve Flow control handle turns - the higher the number, the wider open the valve

Flow characteristics NDV, NDRV, NDVP, NDRVP The flow values are valid for hydraulic oil (spissitude 880 kg/m3) and the kinematic viscosity v of 35 mm2/s. NDV/NDRV/NDVP/NDRVP-DN20/25/30/40 handle turns - the higher the number, the wider open the valve handle turns - the higher the number, the wider open the valve Flow control Flow direction: B-A ∆p characteristic line free flow through check valve