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Figure 10.

 PRX Series Pilot Assembly (continued)

Table 9.

 Type PRX/120 Connections

TYPE PRX/120-aP OR PRX/125-aP 

TYPE PRX/120 OR PRX/120-aP

TYPE PRX/125 OR PRX/125-aP

CODE

PORT DESCRiPTiOn

A

Downstream Sense Line

B

Pilot feed

S

Outlet discharge

L

To regulator loading pressure chamber

28

34

31

30

D

29

28

B

L

S

27

33

S

B

D

R

L

27

28

29

30

31

30

28

32

4

4

35

35

Type FL

North America 

Only

Summary of Contents for TARTARINI FL Series

Page 1: ...t trouble could result in a hazardous condition Call a gas service person to service the unit Only a qualified person must install or service the regulator Introduction Scope of the Manual This manual provides instructions for installation adjustment maintenance and parts ordering information for the Type FL regulators sold in North America Description The Type FL is an accurate pilot operated reg...

Page 2: ...200 7 3 psid 0 50 bar d NPS 10 DN 250 8 7 psid 0 6 bar d Outlet Pressure Ranges See Table 1 Pressure Registration External Process Temperature Capabilities 1 3 Nitrile NBR Fluorocarbon FKM or Polyurethane PU Disk ANSI FCI 70 3 Class VIII 4 to 140 F 20 to 60 C Nitrile NBR or Polyurethane PU Disk ANSI FCI 70 3 Class VI 20 to 140 F 29 to 60 C Approximate Weights Including Pilot Types FL SR and FL SRI...

Page 3: ...ressure outlet pressure Loading pressure pilot supply pressure atmospheric pressure type fl E0827_01 2016 Type FL with Type PRX 131 Quick Dump Pilot M1216_08 2018 TYPE PRX 120 TYPE SA 2 M R B A L S V INLET PRESSURE OUTLET PRESSURE ATMOSPHERIC PRESSURE PILOT SUPPLY PRESSURE LOADING PRESSURE TYPE PRX 120 S B A L B L S A TYPE PRX 131 TYPE SA 2 M R V 3 Type FL North America Only ...

Page 4: ...lot sensing port a sensing port m inlet port M1204_01 2016 M1201_01 2016 inlet pressure outlet pressure Loading pressure intermediate pressure pilot supply pressure atmospheric pressure S B A L TYPE SA 2 M R V TYPE SA 2 M R V TYPE PRX 120 TYPE PRX 120 S B A L S B A L S B A L TYPE SA 2 M R V TYPE SA 2 M R V TYPE PRX 120 TYPE PRX 125 TYPE PRX 120 S B A L 4 Type FL North America Only ...

Page 5: ... increased pressure is transmitted through the downstream control line and acts on the pilot diaphragm This pressure exceeds the pilot spring setting and moves the diaphragm closing the orifice The loading pressure acting on the main diaphragm bleeds to the downstream system through the exhaust restriction in the pilot Figure 2 also shows a Type FL regulator with a Type PRX 131 pilot included The ...

Page 6: ...m side of the diaphragm so it closes faster The Type PRX 131 pilot is always attached to the monitor regulator in a Wide Open Monitor or Working Monitor configuration The Type PRX 131 should have a setpoint about 5 to 10 psig 0 34 to 0 69 bar above the monitor pilot setpoint Working Monitoring Regulators Figure 3 In a working monitoring system the upstream regulator requires two pilots and it is a...

Page 7: ...9 50 5 16 7 0 24 5 8 10 3 80 287 390 59 0 80 66 4 90 5 16 7 0 34 5 10 14 4 100 490 665 73 8 100 66 4 90 11 8 16 41 6 14 6 150 490 665 51 6 70 147 199 20 0 27 41 8 17 8 200 490 665 51 6 70 147 199 14 7 20 41 6 17 10 250 634 860 111 150 148 200 14 7 20 45 6 17 19 Table 2 Maximum Torque Values OUTLET FLANGE KEY 22 SOCKET HEAD SCREW KEY 5 OUTLET SIDE O ring key 4 or 18 depending on size disk holder ke...

Page 8: ... at low flow conditions in some systems caution To prevent damage to the pilot during Startup the sense and bleed lines should be located on the same side of the downstream block valve 5 Connect inlet supply pressure to the Type SA 2 1 4 NPT inlet Port M Warning A regulator may vent some gas to the atmosphere In hazardous or flammable gas service vented gas may accumulate causing personal injury d...

Page 9: ...ected to the downstream piping see Figure 3 2 Connect an inlet supply line from the upstream piping to the inlet M port of the downstream Type SA 2 pilot supply filter regulator 3 Connect a control sense line from the A port of the upstream working PRX Series pilot to the intermediate pressure portion of piping using 3 8 in 9 5 mm or larger outside diameter tubing 4 Connect a downstream bleed line...

Page 10: ...open monitor installation with a Type PRX 131 pilot Figure 3 turn the adjusting screw on the Type PRX 131 all the way into the spring case Adjust the Type PRX 120 working pilot to a setpoint higher than the Type PRX 120 monitor pilot Set the Type PRX 120 monitor pilot to the desired setpoint of the Type PRX 131 pilot which should be 5 to 10 psi 0 34 to 0 69 bar above the monitor pilot setpoint Adj...

Page 11: ...tem and release all pressure from the pilot and main valve before performing maintenance operations To prevent personal injury or damage to the equipment during storage installation or maintenance operations proper supports shall be used to keep the Type FL Regulator from rolling while it is sitting on a flat surface Main Valve Refer to Figure 4 Main Valve Pad Disk Replacement 1 Disconnect the con...

Page 12: ...el indicator bushing key 38 and remove it by sliding it over the travel indicator stem key 34 3 Remove indicator fitting key 36 and inspect o ring key 35 Remove O ring key 37B and back up rings key 66 Replace and lubricate o ring if damaged Pull up on the travel indicator stem key 34 to force the spring collet key 33 out of the diaphragm head groove Examine these parts and the stem for wear and re...

Page 13: ...he lower cover key 21 and tighten uniformly to ensure proper seal Upper Case Maintenance 1 Remove pressure from the pilot 2 Loosen locknut key 2 and back out adjusting screw key 1 until compression is removed from the spring Remove cap key 3 3 Lift the upper spring seat key 6 spring key 7 and O ring key 4 out of the upper cover key 8 Inspect O ring and replace if necessary 4 Remove machine screws ...

Page 14: ...ssary Lightly lubricate the O ring before placing it back in the cover key 11 4 Clean screens key 8 Replace filter pad key 12 5 Inspect diaphragm key 18 for damage or wear and replace if necessary Check the seating surface of the orifice in the screw unit key 17 for erosion scratches spurs or other damage and replace if necessary 6 Unscrew and remove the seat key 5 Inspect O ring key 6 for damage ...

Page 15: ... List Type FL Main Valve Figure 6 Key Description Part Number Start Up Repair Kit includes keys 18 20 46 and 47 Key 46 is only used for Type SR SRII SRS Not all parts are used for all sizes See Table 3 Parts kit includes keys 2 3 4 10 18 20 26 28 35 37B 46 47 and 66 Key 46 is only used for Type SR SRII SRS Not all parts are used for all sizes See Table 4 Travel Indicator Kit includes keys 33 34 35...

Page 16: ...ntinued Type FL FL SR FL SR SRS continued Fluorocarbon FKM NPS 1 DN 25 M0276650X12 NPS 2 DN 50 M0276670X12 NPS 3 DN 80 M0276690X12 NPS 4 DN 100 M0276700X12 NPS 6 DN 150 M0276710X12 NPS 8 DN 200 M0298670X12 NPS 10 DN 250 ERCA01209A0 Polyurethane PU NPS 1 DN 25 ERAA02034A0 NPS 2 DN 50 ERAA02050A0 NPS 3 DN 80 ERAA02073A0 NPS 4 DN 100 ERAA02078A0 NPS 6 DN 150 ERAA02098A0 NPS 8 DN 200 ERAA02102A0 Disk ...

Page 17: ...Valve Figure 6 continued 2 For NPS 8 DN 200 Type FL with Type SRS the spacer will be installed upstream and not downstream Please see NPS 8 DN 200 for Part Number 22 Outlet Flange Type FL FL SR or FL SRII only CL300 RF NPS 1 DN 25 M0268290X12 NPS 2 DN 50 M0268420X12 NPS 3 DN 80 M0268530X12 NPS 4 DN 100 M0268590X12 NPS 6 DN 150 M0298190X12 NPS 8 DN 200 M0298310X12 NPS 10 DN 250 ERCA01138A0 CL600 RF...

Page 18: ... Bushing ERSA02798A0 39 Indicator Scale M0201990X12 40 Indicator Cover NPS 1 DN 25 M0194580X12 NPS 2 DN 50 M0194710X12 NPS 3 DN 80 M0192220X12 NPS 4 DN 100 M0194870X12 NPS 6 DN 150 M0210910X12 NPS 8 DN 200 M0210910X12 NPS 10 DN 250 ERCA01185A0 43 Type SR Silencer Type FL SR or FL SR SRS NPS 1 DN 25 M0258950X12 NPS 2 DN 50 M0258930X12 NPS 3 DN 80 M0258390X12 NPS 4 DN 100 M0258900X12 NPS 6 DN 150 M0...

Page 19: ...NPS 6 DN 150 ERAA18805A0 62 Screw NPS 8 DN 200 only 6 required M5007160X12 NPS 10 DN 250 6 required ERCA04505A0 63 Washer NPS 8 DN 200 only 6 required M5077001X12 NPS 10 DN 250 6 required ERCA00478A0 64 Socket Head Screw NPS 6 DN 150 16 required M5011150X12 NPS 8 DN 200 20 required M5011117X12 65 Spring Pin NPS 8 and 10 DN 200 and 250 M4501106X12 66 Back up Rings 2 required 1N659106242 67 Disk Sup...

Page 20: ... Stem M0253430X12 24 Nameplate M0268080X12 25 Stem O ring Nitrile NBR M6010223X12 Fluorocarbon FKM M6020133X12 26 Upper Diaphragm Nut M5028005X12 27 Damper Adjusting Screw with Hole M0253480X12 28 Restrictor Damper O ring M6020054X12 29 Damper Restrictor Plate Types PRX 120 and PRX 120 AP M0254400X12 Types PRX 125 and PRX 125 AP M0257930X12 30 Ring Nut M0253490X12 31 Nameplate Screw M5061001X12 32...

Page 21: ...X0022 Table 6 Polyurethane PU Seat Conversion Kit Part Numbers DESCRIPTION DISK MATERIAL NPS 1 DN 25 NPS 2 DN 50 NPS 3 DN 80 NPS 4 DN 100 NPS 6 DN 150 NPS 8 DN 200 NPS 10 DN 250 Type FL or FL SR or FL SR SRS Nitrile NBR M2200750X12 M2200754X12 M2200758X12 M2200762X12 M2200766X12 M2200948X12 ERCA00558A0 Fluorocarbon FKM M2200751X12 M2200755X12 M2200759X12 M2200763X12 M2200767X12 M2200988X12 ERCA005...

Page 22: ... 3 10 11 12 13 14 16 17 18 19 20 27 28 21 25 26 29 30 31 31 1 2 2 3 7 8 6 4 9 64 2 2 3 32 61 47 22 23 24 15 33 37B 35 36 38 34 40 66 2 6 7 9 10 11 12 13 14 15 16 17 22 26 27 28 29 30 31 31 33 37B 35 36 38 34 40 66 32 23 24 18 8 5 2 2 2 3 5 4 2 2 1 3 3 22 Type FL North America Only ...

Page 23: ...00 Figure 6 Type FL Main Valve Assembly continued LM 1403 40 34 38 36 66 37B 35 33 31 32 31 30 29 28 65 27 26 1 2 3 2 2 3 2 6 4 2 3 5 2 8 9 10 11 12 13 14 15 16 18 59 22 23 24 59 64 23 Type FL North America Only ...

Page 24: ...Figure 6 Type FL Main Valve Assembly continued NPS 10 dn 250 1 59 59 22 23 24 7 17 65 2 3 9 5 3 31 32 29 30 31 13 14 15 6 16 18 8 27 28 10 12 26 2 40 34 38 36 66 37B 35 24 Type FL North America Only ...

Page 25: ...DN 25 and 50 WITHOUT SILENCER nps 3 4 and 6 DN 80 100 and 150 WITHOUT SILENCER For Nitrile NBR and Fluorocarbon FKM Disks 26 27 28 12 29 30 32 31 43 19 20 21 25 48 46 43 19 20 21 25 48 46 47 47 25 21 20 19 43 19 20 21 25 48 46 43 19 20 21 25 48 46 47 19 20 21 25 47 25 21 20 19 43 43 19 20 21 25 48 46 47 19 20 20 21 21 25 25 48 46 47 47 62 19 63 19 43 43 43 20 21 25 48 46 19 20 21 25 48 46 47 62 20...

Page 26: ...ut silencer NPS 8 to 10 DN 200 to 250 without silencer nps 3 to 6 dn 80 to 150 with Type sr nps 1 and 2 dn 25 and 50 with Type sr ersa03388 ersa03389 ersa03393 ersa03394 ersa03396 19 19 47 25 48 67 62 63 19 67 25 20 21 20 47 25 21 67 43 19 43 19 47 25 48 67 21 20 67 25 48 20 21 20 21 48 26 Type FL North America Only ...

Page 27: ...nd 2 dn 25 and 50 with Type srII nps 3 to 6 dn 80 to 150 with type srii ersa03390 ersa03450 ersa03392 19 43 19 67 25 48 47 62 20 47 19 43 21 20 47 25 48 67 43 25 21 67 63 19 21 20 43 20 21 67 25 48 19 43 19 67 25 48 47 62 20 47 19 47 25 48 67 43 25 21 67 63 19 21 20 67 25 48 27 Type FL North America Only ...

Page 28: ...zes smaller than NPS 6 dn 150 spacer details for NPS 6 to 12 DN 150 to 300 202 203 205 23 24 204 201 200 211 210 206 209 208 206 206 207 ERAA19597_01 TORQUE 29 5 3 7 ft lbs 40 5 N m TORQUE 29 5 3 7 ft lbs 40 5 N m 222 221 228 229 231 230 224 225 226 227 222 28 Type FL North America Only ...

Page 29: ...Figure 8 Type SRS Assembly continued Nps 8 DN 200 200 213 209 220 218 219 202 201 206 206 207 208 215 210 211 216 216 29 Type FL North America Only ...

Page 30: ...57 54 53 55 L PORT NPS 1 AND 2 DN 25 and 50 A PORT TYPE PRX 120 B PORT TYPE SA 2 50 56 52 GE46220_A Figure 9 Type FL Single Pilot Mounting Assembly 30 Type FL North America Only ...

Page 31: ...Figure 9 Type FL Single Pilot Mounting Assembly continued 53 56 55 50 54 TYPE SA 2 TYPE PRX 120 A PORT L PORT B PORT NPS 3 AND 4 DN 80 and 100 GE45181_B 31 Type FL North America Only ...

Page 32: ...56 50 54 52 53 55 B PORT TYPE PRX 120 A PORT TYPE SA 2 L PORT NPS 6 AND 8 DN 150 AND 200 GE45213_B Figure 9 Type FL Single Pilot Mounting Assembly continued 32 Type FL North America Only ...

Page 33: ...r valve is installed as standard for NPS 10 dn 250 Figure 9 Type FL Single Pilot Mounting Assembly continued 52 56 72 B PORT L PORT S PORT L PORT B PORT 53 71 78 77 53 54 54 A PORT TYPE SA 2 TYPE PRX 120 AP TYPE PRX 131 AP 33 Type FL North America Only ...

Page 34: ...29 31 28 34 33 33 28 31 29 28 34 34 18 22 19 14 17 16 18 14 13 13 15 25 S S L L B Figure 10 PRX Series Pilot Assembly Type PRX 131 or PRX 131 AP assembly Section a a Type PRX 120 or PRX 125 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 14 18 19 13 11 20 10 11 21 22 23 24 18 11 26 25 34 Type FL North America Only ...

Page 35: ... AP or PRX 125 AP TYPE PRX 120 OR PRX 120 AP TYPE PRX 125 OR PRX 125 AP CODE PORT DESCRIPTION A Downstream Sense Line B Pilot feed S Outlet discharge L To regulator loading pressure chamber 28 34 31 30 D 29 28 B L S 27 33 S B D R L 27 28 29 30 31 30 28 32 4 4 35 35 Type FL North America Only ...

Page 36: ...information purposes only and while effort has been made to ensure their accuracy they are not to be construed as warranties or guarantees express or implied regarding the products or services described herein or their use or applicability All sales are governed by our terms and conditions which are available on request We reserve the right to modify or improve the designs or specifications of our...

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