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Fisher Design EAD series Instruction Manual Download Page 32

Design ED & EAD Class 125-600

32

Key 7* Design ED Valve Plug Stem, 316 Stainless Steel (not for Whisper Trim III cage)

STEM

PLAIN BONNET

(3)

EXTENSION BONNET

VALVE

STEM

DIAMETER &

Stem Length

Part

Style 1

(4)

Style 2

VALVE

SIZE, INCHES

DIAMETER &

VSC SIZE

Stem Length

Part

Number

Stem Length

Part

Stem Length

Part

mm

Inches

mm

Inches

Number

mm

Inches

Part

Number

mm

Inches

Part

Number

1, 1-1/4,
or
1-1/2

9.5
12.7

3/8
1/2

225
300

8-7/8
11-13/16

1U388835162
1U389035162

311
402

12-1/4
15-13/16

1U217735162
1U217935162

405
473

15-15/16
18-5/8

10A8823X022
1U218035162

2

12.7
19.1

1/2
3/4

311
372

12-1/4
14-5/8

1K586935162
1U226535162

413
483

16-1/4
19

1U226335162
1L400135162

614
- - -

24-3/16
- - -

1U226435162
- - -

2-1/2 or 3

12.7
19.1

1/2
3/4

321
381

12-5/8
15

1U230535162
1U230835162

421
502

16-9/16
19-3/4

1U230635162
1U444635162

624
- - -

24-9/16
- - -

1U230735162
- - -

Full
Capacity

4

12.7
19.1
25.4

(1)

25.4

(2)

1/2
3/4
1

(1)

1

(2)

321
394
464
489

12-5/8
15-1/2
18-1/4
19-1/4

1U230535162
1K587735162
1K759035162
1U217535162

421
502
- - -
- - -

16-9/16
19-3/4
- - -
- - -

1U230635162
1U444635162
- - -
- - -

624
694
- - -
- - -

24-9/16
27-5/16
- - -
- - -

1U230735162
1U240035162
- - -
- - -

6

19.1
25.4
31.8

3/4
1
1-1/4

403
499
508

15-7/8
19-5/8
20

1K588035162
1N704735162
1K415435162

511
630
656

20-1/8
24-13/16
25-13/16

1U507135162
1K7891X0012
1L268835162

699
- - -
- - -

27-1/2
- - -
- - -

1U524435162
- - -
- - -

8

19.1
25.4
31.8

3/4
1
1-1/4

492
614
705

19-3/8
24-3/16
27-7/16

1K588035162
1K7891X0012
1L268835162

533
614
705

21
24-3/16
29-7/16

1U928235162
1K7891X0012
1L268835162

- - -
- - -
- - -

- - -
- - -
- - -

- - -
- - -
- - -

1-1/2 x 1

9.5
12.7

3/8
1/2

241
311

9-3/8
12-1/4

1U223635162
1K586935162

324
413

12-3/4
16-1/4

1U227035162
1U226335162

418
486

16-7/16
19-1/8

1U227235162
1U227335162

Restricted

2 x 1 or
2-1/2 x 1-1/2

12.7

1/2

300

11-13/16

1U389035162

402

15-13/16

1U217935162

605

23-13/16

1U389335162

Restricted
Capacity

3 x 2

12.7
19.1

1/2
3/4

311
372

12-1/4
14-5/8

1K586935162
1U226535162

413
483

16-1/4
19

1U226335162
1L400135162

614
- - -

24-3/16
- - -

1U226435162
- - -

4 x 2-1/2

12.7
19.1

1/2
3/4

321
381

12-5/8
15

1U230535162
1U230835162

421
502

16-9/16
19-3/4

1U230635162
1U444635162

624
681

24-9/16
26-13/16

1U230735162
1U232335162

1. Type 667 actuator.
2. Type 657 or 585C size 60-130 actuator.
3. Plain bonnet is standard for 8-inch cast iron and WCC valve bodies.
4. Style 1 is standard for 8-inch 316 SST valve bodies.

Key 7* Design EAD Valve Plug Stem for Plain and Extension Bonnets

STEM

PLAIN BONNET

EXTENSION BONNET

VALVE

STEM

DIAMETER &

Stem Length

Part

Style 1

Style 2

VALVE

SIZE, INCHES

DIAMETER &

VSC SIZE

Stem Length

Part

Number

Stem Length

Part

Stem Length

Part

mm

Inches

mm

Inches

Number

mm

Inches

Part

Number

mm

Inches

Part

Number

1 or 2

9.5
12.7

3/8
1/2

225
300

8-7/8
11-13/16

1U388835162
1U389035162

311
402

12-1/4
15-13/16

1U217735162
1U217935162

405
473

16
18-5/8

1U217835162
1U218035162

Full

3 or 4

12.7
19.1

1/2
3/4

321
381

12-5/8
15

1U230535162
1U230835162

421
502

16-9/16
19-3/4

1U230635162
1U444635162

624
- - -

24-9/16
- - -

1U230735162
- - -

Full
Capacity

6

12.7
19.1
25.4

(1)

25.4

(2)

1/2
3/4
1

(1)

1

(2)

321
394
464
489

12-5/8
15-1/2
18-1/4
19-1/4

1U230535162
1K587735162
1K759035162
1U217535162

421
502
- - -
- - -

16-9/16
19-3/4
- - -
- - -

1U230635162
1U444635162
- - -
- - -

624
694
- - -
- - -

24-9/16
27-5/16
- - -
- - -

1U230735162
1U240035162
- - -
- - -

2 x 1

9.5
12.7

3/8
1/2

241
311

9-3/8
12-1/4

1U223635162
1K586935162

324
413

12-3/4
16-1/4

1U227035162
1U226335162

418
486

16-1/2
19-1/8

1U227235162
1U227335162

Restricted

3 x 1-1/2

12.7

1/2

300

11-13/16

1U389035162

402

15-13/16

1U217935162

605

23-13/16

1U389335162

Restricted
Capacity

4 x 2

12.7
19.1

1/2
3/4

311
372

12-1/4
14-1/2

1K586935162
1U226535162

413
483

16-1/4
19

1U226335162
1L400135162

614
- - -

24-3/16
- - -

1U226435162
- - -

6 x 2-1/2

12.7
19.1

1/2
3/4

321
381

12-5/8
15

1U230535162
1U230835162

421
502

16-9/16
19-3/4

1U230635162
1U444635162

624
681

24-9/16
26-13/16

1U230735162
1U232335162

1. Type 667 actuator.
2. Type 657 or 585C size 60-130 actuator.

*Recommended spare parts

Summary of Contents for Design EAD series

Page 1: ...Constructions 16 ENVIRO SEALR Bellows Seal Bonnet 16 Replacing a Plain or Extension Bonnet with an ENVIRO SEAL Bellows Seal Bonnet Stem Bellows Assembly 16 Replacement of an Installed ENVIRO SEAL Bellows Seal Bonnet Stem Bellows Assembly 17 Purging the ENVIRO SEAL Bellows Seal Bonnet 19 Parts Ordering 20 Parts Kits 20 Parts List 22 Figure 1 Design ED Valve with Type 667 Actuator W1916 2 IL Introdu...

Page 2: ...mate Weights 1 1 1 4 inch valves 14 kg 30 lb 1 1 2 inch valves 20 kg 45 lb 2 inch valves 30 kg 67 lb 2 1 2 inch valves 45 kg 100 lb 3 inch valves 57 kg 125 lb 4 inch valves 77 kg 170 lb 6 inch valves 159 kg 350 lb 8 inch valves 408 kg 900 lb 1 The pressure temperature limits in this manual and any applicable standard or code limitation for valve should not be exceeded 2 Some flanged Class 600 valv...

Page 3: ...the valve and pipeline flanges Note Depending on valve body materials used post weld heat treating may be required If so damage to internal elastomeric and plastic parts as well as internal metal parts is possible Shrink fit pieces and threaded connections may also loosen In general if post weld heat treating is to be performed all trim parts should be removed Contact your Fisher sales office for ...

Page 4: ... precompression D Use lock out procedures to be sure that the above measures stay in effect while you work on the equipment D The valve packing box may contain process fluids that are pressurized even when the valve has been removed from the pipeline Process fluids may spray out under pressure when removing the packing hardware or packing rings or when loosening the packing box pipe plug Note When...

Page 5: ...ks and scratches Replacing Packing 1 Isolate the control valve from the line pressure release pressure from both sides of the valve body and drain the process media from both sides of the valve If using a power actuator also shut off all pressure lines to the power actuator and release all pressure from the actuator Use lock out procedures to be sure that the above measures stay in effect while yo...

Page 6: ...1 1 1 1 1 C0783 IL 12A7837 A 12A8187 C 12A7814 C 12A7839 A 4 Hex nuts key 16 figure 19 20 or 21 or cap screws not shown attach the bonnet key 1 figure 18 to the valve body key 1 figure 19 20 or 21 Loosen these nuts or cap screws approximately 3 mm 1 8 inch Then loosen the body to bonnet gasketed joint by either rocking the bonnet or prying between the bonnet and valve Work the prying tool around t...

Page 7: ...re the gasket seating surfaces are clean and smooth Place the valve plug and stem into the valve body making sure it is properly centered on the seat ring Then slide the bonnet over the stem and onto the stud bolts key 16 figure 19 20 or 21 or onto the valve body cavity if cap screws not shown will be used instead Note Proper performance of the bolting procedures in step 10 compresses the spiral w...

Page 8: ...the bonnet For graphite packing tighten the packing flange nuts to the maximum recommended torque shown in table 4 Then loosen the packing flange nuts and retighten them to the recommended minimum torque shown in table 4 For other packing types tighten the packing flange nuts alternately in small equal increments until one of the nuts reaches the minimum recommended torque shown in table 4 Then ti...

Page 9: ...t be improved by light sanding replace the damaged parts 4 Remove the load ring key 26 from an 8 inch Design ED valve or the cage adaptor key 4 from any restricted trim valve through 4 inches and wrap it for protection 5 On a 6 inch Design ED valve with a Whisper Trim III cage or WhisperFlo trim remove the bonnet spacer key 32 and bonnet gasket key 10 on top of the spacer Then on any construction ...

Page 10: ...e Instead keep compressing the ring until the other side snaps Be sure to match the broken ends when installing the ring in the valve plug groove CAUTION Never reuse an old stem or adaptor with a new valve plug Using an old stem or adaptor with a new plug requires drilling a new pin hole in the stem or adaptor in case an ENVIRO SEAL bellows seal bonnet is being used This drilling weakens the stem ...

Page 11: ...inimize leakage Carefully press each piston ring into the cage or cage retainer ring 6 Place the gaskets keys 12 11 or 14 if used and 10 and the shim key 27 or 51 if used on top of the cage or cage retainer If there is a cage adaptor key 4 or a bonnet spacer key 32 set it on the cage or cage retainer gaskets and place another flat sheet gasket key 10 on top of the adaptor or spacer If there is onl...

Page 12: ... plug in one place figure 9 to secure the C seal retainer 6 Install the new plug retainer assembly with C seal plug seal on the new stem following the appropriate instructions in the Trim Replacement section of this manual 7 Install piston rings by following instructions in the Trim Replacement section of this manual 8 Remove the existing valve actuator and bonnet following the appropriate instruc...

Page 13: ...5 X 0 06 A B 8 Ć 9 D C F G H E BREAK SHARP CORNER 45 X 0 01 MAX 45 X 0 02 A6777 IL ÉÉÉÉ ÉÉÉÉ ÉÉÉÉ ÉÉÉÉ ÉÉÉÉ ÉÉÉÉ ÉÉÉÉ ÉÉÉÉ ÉÉÉÉ ÉÉÉÉ ÉÉÉÉ ÉÉÉÉ ÉÉÉÉ ÉÉÉÉ ÉÉÉÉ ÉÉÉÉ ÉÉÉÉ ÉÉÉÉ 11 Install the new seat ring cage valve plug retainer assembly and stem into the valve body and completely reassemble the valve package following the appropriate instructions in the Trim Replacement section of this manual CAUTI...

Page 14: ...WN PISTON RING RETAINER DEFORM THREAD TO STAKE CĆSEAL RETAINER A6779 IL stem requires drilling a new pin hole in the stem This drilling weakens the stem and may cause failure in service However a used valve plug may be reused with a new valve stem 2 Remove the plug retainer assembly with C seal plug seal cage and seat ring from the valve body following the appropriate instructions in the Trim Remo...

Page 15: ...wing appropriate procedures in the Lapping Metal Seats section of this manual Figure 11 Example of Machining the Lower Valve Plug to Seat Ring and Upper C seal Plug Seal to Cage Seating Surfaces UPPER SEATING SURFACE 0 020 INCH 4 0 010 INCH 4 0 010 INCH 4 CĆseal RETAINER MACHINING OF THE UPPER SEATING SURFACE MUST EQUAL THE TOTAL MACHINING OF THE LOWER SEATING SURFACE PLUG PLUS SEAT RING IF NOT TH...

Page 16: ...alve body and completely reassemble the valve package following the appropriate instructions in the Trim Replacement section of this manual CAUTION To avoid excessive leakage and seat erosion the valve plug must be initially seated with sufficient force to overcome the resistance of the C seal plug seal and contact the seat ring You can correctly seat the valve plug by applying the full actuator l...

Page 17: ... Inspect the seat ring key 9 Replace if necessary 10 Place a new gasket key 10 into the valve body in place of the bonnet gasket Install the new stem bellows assembly with valve plug adaptor by placing it into the valve body on top of the new bellows gasket Table 6 Recommended Torque for ENVIRO SEAL Bellows Seal Bonnet Packing Flange Nuts VALVE SIZE VALVE STEM DIAMETER MINIMUM TORQUE MAXIMUM TORQU...

Page 18: ...ĆINCH STEM 12 7 mm 1 2ĆINCH STEM 2ĆINCH VALVES 12 7 mm 1 2ĆINCH STEM 3Ć AND 4ĆINCH VALVES DOUBLE ARRANGEMENTS 12B4183 A 18A0906 C 18A5338 A A5886 IL Note The ENVIRO SEAL stem bellows assembly for Design E valves is available only with a threaded and pinned plug adaptor stem connection The existing valve plug can be reused with the new stem bellows assembly or a new plug can be installed If the exi...

Page 19: ... the pin key 8 figure 19 20 or 21 Drive out the pin key 36 figure 18 5 Then reverse the stem bellows and plug adaptor assembly in the soft jaw chuck or vise Grip the flat areas on the valve stem just below the threads for the actuator stem connection Unscrew the plug adaptor assembly from the stem bellows assembly Unscrew the valve plug from the adaptor 6 To attach either the existing or a new val...

Page 20: ...ted capacity valves DESCRIPTION PART NUMBER Full Capacity Valves 198_ to 593_C 325_ to 1100_F 1 1 1 4 inch 1 inch EAD 1 1 2 inch 2 inch EAD 2 inch 2 1 2 inch 3 inch EAD 3 inch 4 inch EAD 4 inch 6 inch EAD 6 inch 8 inch RGASKETX162 RGASKETX172 RGASKETX182 RGASKETX192 RGASKETX202 RGASKETX212 RGASKETX222 RGASKETX232 Restricted Capacity Valves 1 1 2 x 1 inch 2 x 1 inch EAD 2 x 1 inch 2 1 2 x 1 1 2 inc...

Page 21: ...NG KEY 208 A6297 1 IL Figure 15 Typical ENVIRO SEAL Packing System with PTFE Packing PACKING RING KEY 209 PACKING RING KEY 210 PACKING RING KEY 209 PACKING BOX RING KEY 211 STUD KEY 200 SPRING PACK ASSEMBLY KEY 217 HEX NUT KEY 212 PACKING FLANGE KEY 201 GUIDE BUSHING KEY 207 PACKING WASHERS KEY 214 GUIDE BUSHING KEY 207 GUIDE BUSHING KEY 208 A6298 IL Figure 16 Typical ENVIRO SEAL Packing System wi...

Page 22: ...209 210 and 214 Duplex repair kits include keys 207 209 214 and 215 Stems and packing box constructions that do not meet Fisher stem finish specifications dimensional tolerances and design specifications may adversely alter the performance of this packing kit For part numbers of individual components refer to instruction manual ENVIRO SEAL Packing System for Sliding Stem Valves Form 5306 ENVIRO SE...

Page 23: ...25 A DOC CU3911 C DOC 42B3947 A DOC ENVIRO SEAL BELLOWS SEAL BONNET STYLE 1 OR 2 EXTENSION BONNET DETAIL OF 127 mm 5ĆINCH YOKE BOSS ACTUATOR BOLTING PLAIN BONNET NOTE PIPE PLUG KEY 14 INCLUDED ONLY IF BONNET IS DRILLED AND TAPPED FOR PACKING LUBRICATOR AND LUBRICATOR IS NOT INSTALLED 1 ...

Page 24: ...5 ENVIRO SEAL bellows seal yoke locknut 16 Pipe Plug for 1 2 inch NPT tapped extension bonnets Key Description Part Number 16 ENVIRO SEAL bellows seal pipe plug 20 ENVIRO SEAL bellows seal stem bellows assembly 1 ply bellows S31603 316L SST trim N06625 Inconel 625 bellows 1 or 1 1 4 inch valve w 9 5 mm 3 8 inch stem 32B4224X012 1 1 2 inch valve w 9 5 mm 3 8 inch stem 32B4225X012 Size 2 w 12 7 mm 1...

Page 25: ...er and desired material 2 Valve Plug See following tables 3 Cage See following tables 4 Cage Adaptor 5 Seat Ring Adaptor 6 Piston Ring s See following table 7 Valve Plug Stem See following tables 8 Pin 316 stainless steel 9 5 mm 3 8 inch stem 1V322635072 12 7 mm 1 2 inch stem 1V322735072 19 1 mm 3 4 inch stem 1V326035072 25 4 mm 1 inch or 31 8 mm 1 1 4 inch stem 1V334035072 9 Seat Ring See followi...

Page 26: ...es above 210_C 410_F or CoCr A cages above 427_C 800_F use high temperature valve plugs for these applications 2 For use with 17 4PH stainless steel cages between 210_C 410_F and 427_C 800_F and with CoCr A cages over 427_C 800_F the letter H is stamped on top for identification Keys 2 7 and 8 Valve Plug and Stem Assembly for Style 1 Extension Bonnet VALVE SIZE INCHES STEM DIAMETER 416 STAINLESS 3...

Page 27: ...7X012 10A5108X012 21A5351X012 20A0103X012 20A4608X012 21A5353X012 21A5354X012 21A5355X012 8 19 1 25 4 31 8 3 4 1 1 1 4 21A5356X012 21A5357X012 21A5358X012 21A5356X022 21A5357X022 21A5358X022 21A5359X012 21A5360X012 21A5361X012 21A5362X012 21A5363X012 21A5364X012 21A5365X012 21A5366X012 21A5367X012 1 Not for use with 17 4PH stainless steel cages above 210_C 410_F or CoCr A cages above 427_C 800_F u...

Page 28: ...7X0132 3 1 19 1 3 4 Equal 37B3194X012 37B2279X022 23B6128X012 23B9197X012 14B5341X012 1K5877X0132 3 1U4446X0102 4 1 3 4 Whisper I 34B9852X012 37B2279X022 23B6128X012 23B9197X012 14B5341X012 1U4446X0102 4 25 4 Linear 34B5346X022 1K7796X0062 3 25 4 1 Equal 37B3194X012 37B2279X032 23B6128X012 23B9197X012 14B5341X012 1K7796X0062 3 1K7891X0242 4 1 Whisper I 34B9852X012 37B2279X032 23B6128X012 23B9197X0...

Page 29: ...X012 34B9827X012 24B9826X012 1L2298X0202 4 2 25 4 Whisper I 47B6378X012 37B6389X012 29A9704X012 34B9827X012 24B9826X012 10A3282X222 4 3 5 5 1 25 4 1 Whisper I 47B5214X012 37B6389X012 29A9704X012 34B9827X012 24B9826X012 1K7783X0032 4 2 1 31 8 Whisper I 47B6378X012 37B6379X012 29A9704X012 34B9827X012 24B9826X012 10A6073X072 4 3 5 5 31 8 1 1 4 Whisper I 47B5214X012 37B6379X012 29A9704X012 34B9827X012...

Page 30: ...2U806848932 20A5468X012 2U215639102 2U219839102 2U224039102 2U228239102 2U232439102 2U236639102 2U506139102 20A3247X092 Key 3 Equal Percentage Cage VALVE SIZE INCHES 17 4PH 316 STAINLESS STEEL Design ED Design EAD 17 4PH STAINLESS STEEL HARDENED Chrome Plated Nickel Coated Alloy 6 1 1 1 4 1 1 2 x 1 or 2 x 1 1 1 2 or 2 1 2 x 1 1 2 2 or 3 x 2 2 1 2 or 4 x 2 1 2 3 4 6 8 1 or 2 x 1 2 or 3 x 1 1 2 4 x ...

Page 31: ...ch Design ED only GRAPHITE TO 427_C 800_F OXIDIZING TO 482_C 900_F NON OXIDIZING 482 TO 593_C 901 TO 1100_F 11A9727X022 11A9727X032 Key 7 Design ED Valve Plug Stem for Class IV Shutoff Design ED only STEM PLAIN BONNET EXTENSION BONNET VALVE STEM DIAMETER Stem Length Part Style 1 VALVE SIZE INCHES DIAMETER VSC SIZE Stem Length Part Number Stem Length Part mm Inches mm Inches Number mm Inches Part N...

Page 32: ...K586935162 1U226535162 413 483 16 1 4 19 1U226335162 1L400135162 614 24 3 16 1U226435162 4 x 2 1 2 12 7 19 1 1 2 3 4 321 381 12 5 8 15 1U230535162 1U230835162 421 502 16 9 16 19 3 4 1U230635162 1U444635162 624 681 24 9 16 26 13 16 1U230735162 1U232335162 1 Type 667 actuator 2 Type 657 or 585C size 60 130 actuator 3 Plain bonnet is standard for 8 inch cast iron and WCC valve bodies 4 Style 1 is sta...

Page 33: ... 2U385346172 2U384746172 2U385546172 2U384946172 2U385746172 1V560246172 1V560546172 1V387646172 2V561646172 2V545946172 2V561946172 2V561246172 2V562846172 2V562346172 1V560146172 1V560346172 1V560646172 1V560146172 1V560346172 1V560646172 2V561346172 2V560946172 2V562246172 2V561846172 2U384946172 2U385746172 316 stainless steel 1 2 2 x 1 3 3 x 1 1 2 4 4 x 2 6 6 x 2 1 2 1V560135072 1V560335072 1...

Page 34: ...1 10 12 13 27 or 51 RGASKETX212 1R3724X0042 1R372299442 1J5047X0062 16A1941X012 2 Set 10 12 13 51 RGASKETX182 1R3299X0042 1R329799442 1R3296X0042 16A1938X012 4 x 2 1 2 6 x 2 1 2 Set 1 10 11 12 13 14 27 or 51 RGASKETX282 1R3724X0042 1R3846X0042 1R384599442 1R3844X0052 1J5047X0062 16A1939X012 2 x 1 Set 10 11 12 13 14 51 RGASKETX252 1R3299X0042 1R2861X0042 1R286099442 1R2862X0062 1R3296X0042 16A1936X...

Page 35: ... inches Yoke Boss Group 100 127 mm 5 inches Yoke Boss Group 403 90 5 mm 3 9 16 inches Yoke Boss 350 71 4 mm 2 13 16 inches yoke boss 350 585C 422 424 585C 1008 585C 657 585 585R 1008 603 1B 618 610 688 611 644 645 655 Group 101 657 667 76 2 mm 3 inches travel 127 mm 5 inches Yoke Boss 1008 71 4 mm 2 13 16 inches yoke boss 667 ...

Page 36: ...Through 6 Inch Design ED and EAD Valves FLOW DIRECTION WHISPER TRIM STD TRIM CAVITROL TRIM FULLĆCAPACITY DESIGN ED SEATĆRING STYLE DESIGN EAD WITH RESTRICTED TRIM DETAIL OF LINERĆSTYLE DESIGN EAD NOTE KEY 54 NOT SHOWN 40A9082 E 40A9083 F VIEW A 30A9542 F ...

Page 37: ...lass 125 600 37 Figure 20 Whisper Trim III Detail 52A3328 C DOC Figure 21 8 Inch Design ED Valve with Graphite Piston Ring 47A3995 A DOC 40A3290 D DOC SINGLE PISTON RING ASSEMBLY TYPICAL MULTIPLE PISTON RING ASSEMBLY ...

Page 38: ...Design ED EAD Class 125 600 38 Figure 22 Design ED Valve Assembly with WhisperFlo Cage 58B2082 A ...

Page 39: ...Design ED EAD Class 125 600 39 Figure 23 8 Inch Design ED Valve Assembly with WhisperFlo Cage 58B2344 A ...

Page 40: ... 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 Printed in U S A EFisher Controls International Inc 1973 2001 All Rights Reserved C seal is a mark owned by Pressure Science Inc easy e ENVIRO SEAL Fisher Fisher Rosemount HIGH SEAL WhisperFlo and Whisper Trim are m...

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