User manual WA KATES PVC FLOW RATE CONTROLLERS

[. . . ] All controllers are constructed substantially, but pipe supports should be located so that the controller is not subject to mechanical load due to piping, or to the expansion or contraction of piping. The controller should be installed at a point in the pipe where it will be completely filled with liquid under all conditions of operation. The preferred axis of the controller is vertical, with the bonnet up. INLET IS AT SIDE and outlet connection is at bottom. [. . . ] The controller operates by downward flowing liquid and is self cleaning for most liquids. Downflow design also will allow drainage on shutdown of many systems if discharge shutoff valve is closed after inlet shutoff valve. It is not necessary to remove the controller from the line to clean. If installation includes proper shutoff and bypass valves, operate these and take controller off stream or control. Arrange a clean area where internal parts can be placed and kept free of dirt. Remove the V-Clamp, lift bonnet assembly straight up, remove bonnet O-ring, and place both in the clean area. Lift out the orifice sleeve and place in the clean area. Slowly lift out the impeller, valve sleeve assembly, and spring, and place in the clean area. Remove the orifice cylinder machine screws and lift out the orifice cylinder and place in the clean area. NOTE: Normally it is not necessary to remove the valve tube to clean it sufficiently. If it must be removed, follow instructions below "TO REMOVE VALVE TUBE". Thoroughly clean all parts that have been removed from the controller by immersing them in a suitable solvent. Clean and flush inside of flow controller body and the valve tube with the solvent, and drain. All surfaces, especially the metering orifice, the valve tube and integral valve ports, must be COMPLETELY CLEAN. Any dirt, sediment, coating or gummy residue must be completely removed. Wipe all parts and surfaces dry with a clean, lint-free cloth. Replace orifice cylinder, and tighten machine screws; replace the spring, impeller, and valve sleeve assembly on the valve sleeve. Make sure that the valve sleeve will slide freely on the valve tube with no sticking. Replace orifice sleeve, and make sure that orifice sleeve turns freely in both directions until it hits the vertical stop pin. Replace bonnet O-ring, then lower the bonnet slowly, at the same time turning the flow rate setting knob until the key on the end of the adjuster shaft fits into the slots in the orifice sleeve, and the shoulder on the lower face of the bonnet fits into the body. When properly assembled, bonnet will seat squarely on the body all the way around. 1) See that the pointer is in front where set point can be read. [. . . ] 6. 7. Figure 1 Figure 2 BLT 307 - 02 PRODUCT WARRANT The W. A. KATES COMPANY guarantees every piece of equipment manufactured by it to be inspected, tested, and free from defects in workmanship or material when shipped from its factory. No warranty of corrosion resistance of any parts or assembly is expressed or implied. This guarantee is valid for one year from date of shipment from its plant. [. . . ]