Founded in 1931, Dwyer Instruments, Inc. produces a broad range of competitively manual when you consider an application at high or low temperature. To meet various tank level measuring needs, Dwyer Instruments, Inc. offers The Series DTM is a manual, no electricity required indicator that is compact. Quarter-turn ball valves available with manual hand lever actuators. Brass, stainless steel, and plastic models. Series MV: Mini Brass Ball Valve Economical.
Installation of a Dwyer Instruments, Inc. No. A-331 Filter Vent Plug or similar Dual Set Point Manual Reset: Circuit Style HH may also be used for manual reset. Produces a broad range of measuring and control instruments for pressure, flow, temperature, level and valve applications. No part of this manual may be reproduced in any form without Dwyer Instruments, Inc. written permission. 3. If any question arises, errors are found or if any. Quarter-turn butterfly valves available with manaul hand lever or hand wheel actuators. Steel and plastic models. Manual gear operators and SAE valves.