INSTALLATION, OPERATION & MAINTENANCE MANUAL (IOM) IOM-DA511/13I. DESCRIPTION AND SCOPEThe Model DA5 is a spring operated back pressure regul
IOM-DA510of range spring is less than 55 psig, use test pressure of 5 psig less than upper value of range spring. If upper value of range spring is gr
IOM-DA5 113. Upstream pressure too high.Possible Causes RemediesA. Debris in trim preventing movement. A. Clean unit of debris.B. Undersized regulato
IOM-DA512SECTION IXNEW REPLACEMENT UNIT:Contact your local Cashco, Inc., Sales Rep re sen- ta tive with the Serial Number and Product code. With this
IOM-DA5 13 Item No. Description 1 Adjusting Screw 2 Adjusting Screw Lock Nut 4 Spring Chamber 5 Spring Follower (Button) 6 Range Spring
IOM-DA514 Item No. Description 1 Adjusting Screw 2 Adjusting Screw Lock Nut 4 Spring Chamber 5 Spring Follower (Button) 6 Range Spring
IOM-DA5 15The contents of this publication are presented for informational purposes only, and while every effort has been made to ensure their accurac
Cashco, Inc.P.O. Box 6 Ellsworth, KS 67439-0006PH (785) 472-4461Fax. # (785) 472-3539www.cashco.comemail: [email protected] in U.S.A. DA5-IOMC
IOM-DA52A tubing outside diameter of 0.25 inch is adequate for short sensing lines (less than 4 feet). Use 3/8" tubing or 1/4" schedule 40
IOM-DA5 39. Reduce system fl ow to a minimum level and ob-serve pressure set point. Inlet pressure will de-crease from the set point of Step 8. The m
IOM-DA54Figure 1: Dynamic Side Seals(FTC Flow Direction Only)
IOM-DA5 5B. Main Valve Disassembly:1. Shut down the system in accordance with Section VI. 2. Disconnect the external sensing line, if in- stalled.3
IOM-DA56Re move di a phragm lock nut (7) after fully loosened and socket wrench is removed.c. Remove upper diaphragm pressure plate (8).d. Remove di
IOM-DA5 7vise and rotate end-for-end and resecure in vise using same metal bars.5. Body Sizes 2-1/2" thru 4":a. Orient plug (20) with thre
IOM-DA58be on upper side, “fl at” side down wards. For metal diaphragm construction the “rounded” surface of the lower diaphragm push er plate (10) sho
IOM-DA5 9circumferentially press the fi rst (low er) piston ring seal (27.5) inwards into the valve plug (20) groove until the fi rst piston ring seal
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