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Emerson Tartarini PRX Series, Инструкция по эксплуатации

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PRX Series

9

TYPES PRX/120 AND PRX/125 PILOT ASSEMBLY

1

2

3

6

7

8

9

10

11

12

13

14

15

16

17

14

18

19

13

11

20

10

11

21

22

23

24

A

A

B

A

18

11

26

L1

L1

L1

L1

L2

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

Содержание Tartarini PRX Series

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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 ...

Страница 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 ...

Страница 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 ...

Страница 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 ...

Страница 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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