... dry and pre-acting system. There are grooved type, clamp type, flanged type and saddle type.Feature Compact structure, ... .Complete specifications: DN 50- DN200.Connecting types include saddle, clamp, flanged, threaded, welding, etc. Plz refer to attached figures ... water flow indicator upright and pointing upwards. The two clamp nuts should be tightened symmetrically.Technical ParameterApplicable Bore ( ...