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Emerson Tartarini PRX Series, Instruction Manual

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Emerson Tartarini PRX Series Instruction Manual Download Page 12

PRX Series

©Emerson Process Management Regulator Technologies, Inc., 2008, 2015; All Rights Reserved

The Emerson logo is a trademark and service mark of Emerson Electric Co. All other marks are the property of their prospective owners. Tartarini is a mark owned by O.M.T. Officina Meccanica 

Tartarini s.r.l., a business of Emerson Process Management.

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 construed 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 designs or specifications of such 

products at any time without notice.

Emerson Process Management Regulator Technologies, Inc. does not assume responsibility for the selection, use or maintenance of any product. Responsibility for proper selection, use and 

maintenance of any Emerson Process Management Regulator Technologies, Inc. product remains solely with the purchaser.

Industrial Regulators

Emerson Process Management 

Regulator Technologies, Inc.

USA - Headquarters

McKinney, Texas 75070 USA

Tel: +1 800 558 5853

Outside U.S. +1 972 548 3574

Asia-Pacific

Shanghai 201206, China

Tel: +86 21 2892 9000 
Europe

Bologna 40013, Italy

Tel: +39 051 419 0611
Middle East and Africa

Dubai, United Arab Emirates

Tel: +971 4811 8100

Natural Gas Technologies

Emerson Process Management

Regulator Technologies, Inc.

USA - Headquarters

McKinney, Texas 75070 USA

Tel: +1 800 558 5853

Outside U.S. +1 972 548 3574

Asia-Pacific

Singapore 128461, Singapore

Tel: +65 6770 8337
Europe

Bologna 40013, Italy

Tel: +39 051 419 0611

Chartres 28008, France

Tel: +33 2 37 33 47 00
Middle East and Africa

Dubai, United Arab Emirates

Tel: +971 4811 8100

TESCOM

Emerson Process Management

Tescom Corporation

USA - Headquarters

Elk River, Minnesota 55330-2445, USA

Tels: +1 763 241 3238

         +1 800 447 1250
Europe

Selmsdorf 23923, Germany

Tel: +49 38823 31 287 

Asia-Pacific

Shanghai 201206, China

Tel: +86 21 2892 9499

For further information visit www.emersonprocess.com/regulators

Type SA/2 Pilot Supply Filter Regulator 

(Figure 5)

Key  Description 

Part Number

 

Parts Kits

 

Elastomer Parts Kits  

 

(includes keys: 6, 12, 13, 15 and 18)

 

  Nitrile (NBR) 

GD89995X012

 

  Fluorocarbon (FKM) 

GD89995X022

  1 

Spring  

M0192560X12

  2 

Socket Head Cap Screw (4 required) 

M5058003X12

  3 

Washer  

M0248490X12

  4 

Plate  

M0174470X12

  5 

Regulator Seat  

M0200830X12

  6*  O-ring, Nitrile (NBR) 

M6010013X12

  7 

Body, Steel 

M0297920X12

  8 

Filter Screen (2 required)  

M0102200X12 

*Recommended Spare Part

Key  Description 

Part Number

  9 

Washer (4 required) 

M5057002X12

  10  Nut (4 required) 

M5060005X12

  11  Filter Case, Steel  

M0174411X12

  12*  Felt  

M0102210X12

  13*  O-ring, Nitrile (NBR)  

M6010095X12

  14  Spring  

M0105970X12

  15*  Disk Holder  

M0233370X12

  16  Nameplate  

- - - - - - - - - - -

  17  Screw Unit  

M0200790X12

  18*  Diaphragm, Nitrile (NBR)  

M0174460X12

  19  Regulator Case, Steel  

M0239890X12

  20  Spring Washer  

M5001003X12

  21  Nut  

M5006012X12

Summary of Contents for Tartarini PRX Series

Page 1: ... non corrosive gas applications They have a double diaphragm which provides increased accuracy and sensitivity an integral damper screw to adjust opening and closing speeds and a restrictor screw to adjust pilot gain The PRX Series pilots can be also be used in other applications such as relief valve or backpressure regulators and as a quick dump pilot Furthermore PRX Series pilots have the abilit...

Page 2: ...0 22 0 to 30 0 M0255240X12 M0255230X12 M0255180X12 M0255220X12 M0255210X12 M0255200X12 M0255190X12 Yellow Green Blue Black Silver Gold Red 0 110 0 126 0 138 0 157 0 177 0 197 0 236 2 79 3 20 3 55 3 99 4 50 5 00 5 99 2 16 2 16 2 16 2 16 2 16 2 01 2 01 55 0 55 0 55 0 55 0 55 0 51 0 51 0 435 30 0 1480 102 PRX AP 131 435 to 1160 30 0 to 80 0 M0273790X12 Clear 0 335 8 51 3 94 100 1160 80 0 PRX 182 29 t...

Page 3: ...aphragm This diaphragm loading pressure opens the main valve plug supplying the required flow to the downstream system Any excess loading pressure on the actuator diaphragm escapes downstream through the bleed restriction in the pilot When the gas demand in the downstream system has been satisfied the outlet pressure increases The increased pressure is transmitted through the downstream control li...

Page 4: ...such a distance is not practical connect the control line away from elbows swages nipples or any area where abnormal flow velocities occur Connect the other end of the control line to the A port on the bottom of the PRX Series pilot 4 Connect a downstream bleed line from the S port on the PRX Series pilot to a straight run of pipe 6 to 10 pipe diameters from the regulator outlet using 3 8 in 9 5 m...

Page 5: ...EN WRENCH FT LBS N m mm mm PRX 7 5 to 9 2 10 2 to 12 4 10 17 5 Table 3 Torque Recommendation and Request Tools 1 If the pilot setting must be disturbed be sure to keep some tension on the spring This will prevent trapping inlet pressure during blow down 2 Slowly close the valves in the following order a Inlet block valve b Outlet block valve c Control line valve s if used 3 Open the vent valves to...

Page 6: ...body key 16 on top of the lower diaphragm plate key 15 9 Set the upper diaphragm plate key 13 on top of the diaphragm key 14 10 Place washer key 11 and stem nut key 26 on the stem key 23 and tighten using a wrench to hold the stem 11 Place the lower spring seat key 9 on the upper diaphragm nut key 26 and mount the upper cover key 8 on top of the body key 24 and the diaphragm key 14 12 Place washer...

Page 7: ...cate the O ring and place in the body key 16 Install the orifice 7 Set the disk holder key 22 in the body key 16 8 Lightly lubricate the rims of the diaphragm key 14 Position the diaphragm convolution facing down make sure that the diaphragm is not deformed and is properly installed Take the diaphragm key 14 and place it in the body key 16 on top of the disk holder key 22 9 Set the upper diaphragm...

Page 8: ...Downstream Sense Line B Outlet discharge Pilot feed S Pilot feed Outlet discharge L To regulator loading pressure chamber To regulator loading pressure chamber Table 4 Type PRX 120 Connections Key Description Part Number 4 Upper Cover O ring 1 required for Type PRX 120 or PRX 125 2 required for Type PRX 120 AP or PRX 125 AP Nitrile NBR M6010178X12 Fluorocarbon FKM M6020112X12 5 O ring Nitrile NBR ...

Page 9: ...2 L1 L1 L1 L1 25 4 5 Figure 2 Types PRX 120 and PRX 125 Pilot Assemblies TYPE PRX 120 VERSION SECTION A A B S L R D L1 APPLY LUBRICANT 1 L1 LITHIUM POLYMER TYPE LUBRICANT MULTI PURPOSE GREASE L2 ANTI SEIZE LUBRICANT 1 Lubricants must be selected such that they meet the temperature requirements 4 4 L1 L1 B S D L1 L AP VERSION TYPE PRX 125 VERSION SECTION A A ...

Page 10: ... 19 14 17 16 18 14 13 13 15 A A L B S 28 31 29 28 34 34 22 19 14 17 16 18 14 13 1 2 3 4 5 6 7 8 9 10 11 12 B 13 15 11 20 10 11 21 25 23 24 18 11 26 A A L B S 28 31 29 28 34 34 22 19 14 17 16 18 14 13 1 2 3 4 5 6 7 8 9 10 11 12 B 13 15 11 20 10 11 21 25 23 24 18 11 26 TYPE PRX 182 PILOT ASSEMBLY SECTION A A Figure 4 Type PRX 182 Pilot Assembly ...

Page 11: ...OUTLET M UPSTREAM OF THE REGULATOR R TO THE FEEDING OF THE PILOT V DOWNSTREAM OF THE REGULATOR Figure 5 Type SA 2 Assembly 4 H 1 2 3 4 5 6 7 8 9 10 11 12 13 M 14 15 16 17 R 18 V 19 20 21 A A 4 H H 1 2 3 4 5 6 7 8 9 10 14 15 16 17 R 18 V 19 20 21 A A ...

Page 12: ... Emirates Tel 971 4811 8100 Natural Gas Technologies Emerson Process Management Regulator Technologies Inc USA Headquarters McKinney Texas 75070 USA Tel 1 800 558 5853 Outside U S 1 972 548 3574 Asia Pacific Singapore 128461 Singapore Tel 65 6770 8337 Europe Bologna 40013 Italy Tel 39 051 419 0611 Chartres 28008 France Tel 33 2 37 33 47 00 Middle East and Africa Dubai United Arab Emirates Tel 971 ...

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