Valve Concepts 1078, Installation, Operation And Maintenance Manual

Page 1: ...Gard is a pilot operated blanketing valve intended for installation on top of medium to large storage tanks Available with either FNPT or flange end connections 1 size available with SECTION II II PR...

Page 2: ...t the tank CAUTION DO NOT overtighten threaded connections since damage or breakage may result Wrap all NPT threads with TFE tape Apply anti seize compound on bolt threads CAUTION DO NOT exceed the ma...

Page 3: ...3 IOM 1078 Installation with Integral Dip Tube Sensing Model 1078 Pilot Operated Vacu Gard Normal Installation Remote Sensing Model 1078 Pilot Operated Vacu Gard...

Page 4: ...r 26 on top of the pilot mount connector Insert the spring 25 and guide pin 24 inside the spindle 20 and place these parts into the Re install filter element and canister to filter assembly Re connect...

Page 5: ...sure there is no undue binding Guide the pilot mount with the piston inside into the main body cavity Install flat washers 41 lock washers 12 and cap screws 11 and tighten the cap screws enough to hol...

Page 6: ...t 18 between the center bolt and the lower support plate 16 as shown on the drawing NOTE The support plate should be install with the smooth side up Lay the diaphragm 13 on top of the lower support pl...

Page 7: ...n price and availability VII ORDERING INFORMATION NEW REPLACEMENT UNIT vs PARTS KIT FOR FIELD REPAIR Toobtainaquotationorplaceanorder pleaseretrievetheSerialNumberandProductCodethatwasstamped on the m...

Page 8: ...s clogged B1 Check sense line and sense port for blockage C Improper inlet and or outlet connection C1 Check and be sure supply line is connected to inlet of Vacu Gard and outlet of Vacu Gard is conne...

Page 9: ...late 37 1 Pilot Mount 38 1 Pilot Body 41 32 Washers ITEM NO QUANTITY PART NAME 108 1 Main Body 113 1 Elbow Fitting 114 3 Tube Fittings 115 2 Tubings 116 1 Pipe Plug 117 1 Pipe Plug 118 1 Thermocouple...

Page 10: ...Plates 17 1 Center Bolt 18 2 Bolt Gaskets 20 1 Spindle 21 1 O Ring 110 22 1 O Ring 112 ITEM QUANTITY PART NAME 24 1 Guide Pin 25 1 Return Spring 26 1 Spacer 33 2 Washer 35 1 O Ring 120 102 1 Spring 10...

Page 11: ...ttings 115 5 Tubings 118 1 Thermocouple Fitting 123 1 Dip Tube 201 1 Orifice Fitting 202 1 Filter Assy 207 1 Tank Gauge ITEM NO QUANTITY PART NAME 207 1 1 Reducing Nipple 208 1 Supply Gauge 209 2 Stre...

Page 12: ...ubings 118 1 Thermocouple Fitting 123 1 Dip Tube 201 1 Orifice Fitting 202 1 Filter Assy 207 1 Tank Gauge 201 1 1 Reducing Nipple 208 1 Supply Gauge ITEM NO QUANTITY PART NAME 209 2 Street Tees 210 1...

Page 13: ...Cap Screws 12 20 Lockwashers 14 1 Ring Gasket 15 16 Nuts 38 1 Pilot Body 41 32 Washers 47 1 Pilot Connector 48 1 Bushing 108 1 Main Body ITEM NO QUANTITY PART NAME 113 1 Elbow Fitting 114 3 Tube Fitti...

Page 14: ...indle 21 1 O Ring 110 22 1 O Ring 112 24 1 Guide Pin 25 1 Return Spring ITEM QUANTITY PART NAME 26 1 Spacer 33 2 Washer 35 1 O Ring 120 102 1 Spring 103 1 O Ring 131 104 1 O Ring 155 105 1 O Ring 020...

Page 15: ...tings 115 5 Tubings 118 1 Thermocouple Fitting 123 1 Dip Tube 201 1 Orifice Fitting 202 1 Filter Assy 207 1 Tank Gauge ITEM NO QUANTITY PART NAME 207 1 1 Reducing Nipple 208 1 Supply Gauge 209 2 Stree...

Page 16: ...Fittings 115 5 Tubings 118 1 Thermocouple Fitting 123 1 Dip Tube 201 1 Orifice Fitting 202 1 Filter Assy 207 1 Tank Gauge 201 1 1 Reducing Nipple ITEM NO QUANTITY PART NAME 208 1 Supply Gauge 209 2 St...

Page 17: ...cooling of the process gas depends on the process gas and the inlet and outlet pressures The system designer is responsible for determining whether the process gas temperature may raise under any oper...

Page 18: ...DA6 DA8 DA0 DA1 DAP SAP SLR 1 SLR 2 PTR 1 ALR 1 ULR 1 PGR 1 BQ BQ OPT 45 BQ CRYO 123 123 CRYO 123 OPT 45 123 OPT 46G 123 1 6 123 1 6 OPT 45 123 1 6 OPT 46G 123 1 6 S 123 1 6 S OPT 40 1000HP 1000HP OP...