MODEL POSR-2PILOT OPERATED PRESSURE RE DUC ING REGULATORSECTION II. DESCRIPTION AND SCOPE The POSR-2 is a pilot operated pressure reducing reg u la
IOM-POSR-21021. Using a sharp, fl at-edged tool, clean the gas- ket fac ings and all surfaces where a metal-to-metal joint occurs on the body (1), bonn
IOM-POSR-2 11partial assembly of previous article above until centered over the peg. Lower partial assembly down onto peg until weight is resting on p
IOM-POSR-21257. Rig the reassembled main valve (MV) for over head hoisting. Re move temporary duct tape. Lift and remove from vise.E. Joining:1. Plac
IOM-POSR-2 135. Remove hose from open end of jar. Open valve #2. Close valve #1. Place hose end back into jar. Follow a similar pro ce dure as in art
IOM-POSR-2147. Slowly pressurize the inlet of the main valve (MV) and pilot valve (PV) to 100 psig (6.9 Barg). NOTE: If the pilot valve (PV) has any
IOM-POSR-2 15SECTION IXNEW REPLACEMENT UNIT:Contact your local Cashco, Inc., Sales Rep re sen ta- tive with the Serial Number and Product code. With
IOM-POSR-216NOTES
IOM-POSR-2 17NOTES
IOM-POSR-218FIGURE 7FIGURE 8 ITEM NO. DESCRIPTION 19 Pipe Nipple 20 Tube Fitting 21 Tubing 26 90° Elbow 27 90° Street Elbow 28 Union 29 Pip
IOM-POSR-2 19FIGURE 10POSR-2 Flanged End Con nec tionFIGURE 9MV – MAIN VALVE ITEM NO. DESCRIPTION 1 Body 2 Bonnet 3 Cylinder 4 Cylinder Head 5
IOM-POSR-2210. See Figure 2 for installation ori en ta tion for hor i zon tal or vertical piping. For best per for -mance Cashco rec om mends in sta
ITEM NO. DESCRIPTION 1 Body 2 Spring Chamber 4 Plug & Seat Assembly 4.1 Valve Seat 4.2 Valve Plug 6 Screen 7 Spring 8 Valve
IOM-POSR-2 3FIGURE 2Orientation/ArrangementPOSITION “H”POSITION “VU”Pilot valve and main valve shipped as two units. Installer to connect between pilo
IOM-POSR-24the bleed orifi ce. The reduced loading pres- sure on the upper side of the piston closes the main valve’s plug enough to restore the down
IOM-POSR-2 5SECTION VV. SHUTDOWNA. General1. On systems with a bypass valve, and where system pressure is to be maintained as the POSR-2 is shut down
IOM-POSR-262. Loosen locknut (20) by rotating CCW (viewed from above) ONLY two revolutions. Relax range spring (15) by turning adjusting screw (19) C
IOM-POSR-2 718. Remove seat gasket (8) using a tool with a bent sharp end. Discard the seat gasket (8).19. Using a sharp edged tool, clean all gaske
IOM-POSR-28the bolts (17) before replacing into bolt hole. Fin ger-tighten nuts (18).41. Observe through opening in top of spring cham ber (2) to ens
IOM-POSR-2 9not apply excessive sideways force to the cylinder (3). Move the fl at tool fully around the bonnet-to-body joint to ensure being fully loo
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