cashco PGR-1 Скачать руководство пользователя страница 13 | Manualshive

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IOM-PGR-1

13

METERING VALVE

Assembled View

The PGR-1 is designed for external sensing. Use 3/8" or 1/2"
(DN10 or DN15) outer di am e ter tubing to connect the pilot sensing
port to a location in the piping down stream of the main regulator.
If PGR-1 is constructed with self contained feature - tubing and
connection in downstream piping is not required.

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Содержание PGR-1

Страница 1: ...h the cover dome 2 upwards 2 Provide space below above and around regulatorforremovalofpartsduringmaintenance 3 Install block valves and pressure gauges to providemeansforadjustment operation bypass or removal of the regulator A pipeline strainer is recommended before inlet to remove typical pipelinedebrisfromenteringvalveanddamaging internal soft goods primarily the dynamic seal 4 The PGR 1 is de...

Страница 2: ... the inlet upstream block valve to about 25 open Rotate the adjusting screw SECTION V CAUTION DO NOT HYDROSTATIC TEST THROUGH AN INSTALLED UNIT ISOLATE REGULATOR FROM TEST The OUTLET RATING asprintedonthenameplateistherecommended upper operating limit for the sensing diaphragm Higher pressures could cause internal damage In addition note on the nameplate that the Inlet and Outlet pressure and temp...

Страница 3: ...re 1 A detailed view of the dynamic side seal parts is shown on page 5 WARNING SYSTEM UNDER PRESSURE Prior to performing any maintenance isolate the regulator from the system and relieve all pressure Failure to do so could result in personal injury SECTION VI B Main Valve Disassembly 1 Shut down system in accordanceSection VI 2 Disconnect the external sensing line from the pilot valve sensing port...

Страница 4: ...backed out A downwards holding force should be applied to the top of the guide bearing 9 to prevent the ITA from popping up as the last threads of the cage bolts are backed out 14 Remove the ITA by pulling up on the valve plug 5 Set ITA aside 15 Remove the lower return spring 18 from within the body 1 cavity 16 Remove cage o ring seal 14 It may have been removed when the ITA was lifted out of the ...

Страница 5: ...ght amount of fluid and elastomer compatible lubricant is recommended as an installation aid 2 Position guide bearing 9 over top of the upper end of cage 4 properly oriented Usingthumbs evenlypress guide bearing into the cage ensur ing not to cut o ring seal Continue pressingguidebearingintocageuntil in approximate final position b Type UC 1 Stretch u cup seal 15 1 over lower circumference of guid...

Страница 6: ...7 6 20 3 N m 7 Remove temporarily installed diaphragm nut 11 and spacers of previous Step E 5 this section 8 Place new o ring middle stem seal 13 into groove of guide bearing 9 upper surface 9 Position lower diaphragm plate 8 over up per end of plug 5 with tongue and groove groove side up 10 Place new o ring upper stem seal 13 over upper end of valve plug 5 11 Place diaphragm 6 over end of valve p...

Страница 7: ... Place body 30 1 in a vise with the body cap 30 3 upwards Rotatecapbolts 30 20 CCW to remove bracket and body cap Remove cap seal 30 16 16 Remove return spring 30 11 ball holder 30 9 and ball 30 22 17 Place socket wrench over seat 30 7 and rotate CCW to remove from body 18 Removebody 1 fromvise Cleanallreusable metalpartsaccordingtoowner sprocedures H Pilot Valve Reassembly 1 Place body 30 1 in a ...

Страница 8: ...24 and secure tight 2 Re install tubing and fittings that previously connected the inlet filter to the stabilizer the cover dome to the metering valve and the outlet of the metering valve to the outlet of the body 3 Re connect the external sensing line to the pilot valve sensing port J Changing the filter element 1 See Section IV WARNING SYSTEM UNDER PRESSURE Prior to performing any maintenance is...

Страница 9: ... Setspringbutton 60 5 ontorange spring 60 15 ensure spring button is lay ing flat on top of spring 11 Rotate the spring chamber 60 2 CW by hand into the threaded portion of the body 60 1 ensuring not to cross thread Continue rotating CW until firmly seated against the upper diaphragm Tighten to 30 35 ft lbs 41 47 N m torque value 12 Reinstall adjusting screw 60 8 with nut 60 11 into the spring cha...

Страница 10: ...ng screw 60 8 makes contact Also lubricate the threads of the adjusting screw lightly 15 Set spring button 60 5 onto range spring 60 15 ensure spring button is laying flat on top of spring 16 Rotate the spring chamber 60 2 CW by hand into the threaded portion of the body 60 1 ensuring not to cross thread Con tinue rotating CW until firmly seated against the upper diaphragm Tighten to 30 35 ft lbs ...

Страница 11: ...regulation instability or hunting Possible Causes Remedies A Sticking of internal parts A Remove internals clean and if necessary replace B Oversized regulator B Check actual flow conditions resize regulator for minimum and maxi mum flow if necessary replace with smaller regulator C Metering Valve may not be adjusted correctly C1 Rotate knob on metering valve in 1 4 turn increments to be more or l...

Страница 12: ...IT FOR FIELD REPAIR To obtain a quotation or place an order please retrieve the Serial Number and Product Code that was stamped on the metal name plate and attached to the unit This information can also be found on the Bill of Material BOM a parts list that was provided when unit was originally shipped Serial Number typically 6 digits Product Code typical format as follows last digit is alpha char...

Страница 13: ...or external sensing Use 3 8 or 1 2 DN10orDN15 outerdiametertubingtoconnectthepilotsensing port to a location in the piping down stream of the main regulator If PGR 1 is constructed with self contained feature tubing and connection in downstream piping is not required ...

Страница 14: ...l Plug 14 Static Seal Cage Item No Description 15 Dynamic Seal Guide Bearing 18 Return Spring 19 Internal Sensing Plug 20 Pipe Plug Dome 22 Cage Bolts 23 Flange Bolts 24 Flange Nuts Recommended Spare Parts Items not shown 3 Mounting Bracket 15 2 Seal Retainer 16 Seal Retainer Dynamic 21 Pipe Plug Body 25 Flow Arrow 26 Name Plate 27 Drive Screws Main Body Assembly with Dynamic O ring Seal ...

Страница 15: ...are Parts Vent to Atmosphere Sense Port Pilot Inlet The contents of this publication are presented for informational purposes only and while every effort has been made to ensure their accuracy they are not to be con strued as warranties or guarantees express or implied regarding the products or services described herein or their use or applicability We reserve the right to modify or improve the de...

Страница 16: ...co com Item No Description 60 1 Body 60 2 Spring Chamber 60 3 Pressure Plate 60 4 Pusher Plate 60 5 Spring Button 60 6 Body Cap 60 7 Piston Spring 60 8 Adjusting Screw 60 9 Lock Washer 60 10 Nut Pressure Plate 60 11 Nut 60 12 Diaphragm 60 13 O ring 60 14 Piston 60 15 Range Spring Recommended Spare Parts Inlet Outlet Vent Cashco GmbH Handwerkerstrasse 15 15366 Hoppegarten Germany PH 49 3342 30968 0...

Страница 17: ...ve The details of the assessment in terms of the individual Essential Health and Safety Requirements are listed in Table 1 Table 2 lists all of the models and options that were evaluated and along with their evaluation Models and options not listed in Table 2 should be assumed to not have been evaluated and therefore should not be selected for use in a potentially explosive environment until they ...

Страница 18: ... of system components and tubing due to adiabatic compression of the system gas 3 Heating systems installed by the user could possibly increase the surface temperature and must be evaluated by the user for compliance with the ATEX Directive User installation of heating systems applied to the regulator body or system piping that affects the surface temperature of the pressure regulator is outside t...

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