Flow Switch - Universal Vane, Operating Temperature, -20 to 135°C (-4 to 275°F), Max. Pressure, 1000 PSIG, Material, Stainless Steel Body/Stainless Steel Vane

SKU: HL003

MFG: DWYER

Sold in multiples of 1

• Operates automatically to protect equipment and pipe-line systems against damage from reduction or loss of flow;
• Universal multi-layer vane accommodates pipe sizes from 1-1/2" up to 20";
• Custom vanes are available with factory calibration;
• Free swinging vane attracts a magnet within the solid metal switch body, actuating a snap switch by means of a simple lever arm;
• No bellows, springs or seals to fail;
• Simplicity of design and a leak-proof switch body eliminates the possibility of process fluid entering the switch compartment;
• Threaded conduit enclosure cover permits easy inspection or replacement of electrical assembly without shutting down the process, or removing electrical conduit;
• Unit fits directly into pipeline tee, thredolet or flange for easy installation;
• Pendulum-like vane action responds accurately to fluid flow rate;
• Custom vane or multi-layer vane is sensitive to low velocity flows, yet is rugged enough to withstand high flow surges;
• Optional delay timer can be wired into the installation;
• All units are explosion proof and listed UL and CSA for Class I, Groups C and D, Class II, Groups E, F and G;
• Switch body is one-piece milled and bored brass or 316SS;
• Rated for pressures up to 2000 PSIG