Emerson Fisher Accu-Pressure Y693 Instruction Manual Download

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Type Y693

Key Description

Part Number

Lower Control Spring Seat, plated steel

0.5 to 32-inches w.c. (1.2 to 78 mbar) springs 14B4240X012
1 to 5 psig (0.07 to 0.34 bar) springs

14B4240X012

2 to 5.5 psig (0.14 to 0.37 bar) spring

1A500528982

4 to 10 psig (0.27 to 0.69 bar) spring

1A500528982

Diaphragm Assembly

0.5 to 32 inches w.c. (1.2 to 78 mbar) springs

Nitrile

14B3350X012

Fluoroelastomer

14B3350X022

1 to 10 psig (0.07 to 0.69 bar) springs

Nitrile

14B3350X032

Fluoroelastomer

14B3350X042

Pusher Post, stainless steel

1L143311992

Lower Casing Assembly, aluminum

1H9751X0022

10*

Clevis Pin, pl steel

14B2155X012

Machine Screw, stainless steel (2 req’d)

1B420428982

Machine Screw, stainless steel

1A8664X00A2

Stem, stainless steel

24B1765X012

14*

Cotter Pin, stainless steel

1A866537022

15*

Stem O-ring

Nitrile

1E216306992

Fluoroelastomer

1L949306382

16*

Body Gasket

Nitrile

T12587T0012

Fluoroelastomer

T12587T0022

Cap Screw, plated steel (2 req’d)

1H974724052

Diaphragm Case Cap Screw, plated steel

(12 req’d)

1B136324052

Hex Nut, zinc plated steel (12 req’d)

1A309324122

Spring Case, aluminum

AE6180X0012

25*

Disk Holder, stainless steel

24B1952X012

Orifice, stainless steel, 1/2-inch (12.7 mm)

1A928835032

Body

Cast Iron

NPT

1-1/2 x 1-1/2-inch size

14B3192X012

2 x 2-inch size

14B3192X022

Class 125 FF Flanged, 2 x 2-inch size

14B3193X012

Class 250 RF Flanged, 2 x 2-inch size

14B3193X022

WCB Steel

NPT

1-1/2 x 1-1/2-inch size

14B3192X032

2 x 2-inch size

14B3192X042

Class 150 RF Flanged

1-1/2 x 1-1/2-inch size

14B4053X012

2 x 2-inch size

14B4053X022

Class 300 RF Flanged

1-1/2 x 1-1/2-inch size

14B4053X032

2 x 2-inch size

14B4053X042

DIN Class PN 16, 25 & 40 RF Flanged

1-1/2 x 1-1/2-inch size

14B4053X052

2 x 2-inch size

14B4053X062

Cap Screw

0.5 to 32-inches w.c. (1.2 to 78 mbar) springs 1A667824052
1 to 5 psig (0.07 to 0.34 bar) springs

1B720924052

2 to 5.5 psig (0.14 to 0.37 bar) spring

1E4539X0012

4 to 10 psig (0.27 to 0.69 bar) spring

1E4539X0012

35*

Closing Cap Gasket, neoprene

1N446206992

Spring Seat

0Y095644012

Lever Assembly, stainless steel 1H974028992

Nameplate

- - - - - - - - - - -

Drive Screw

- - - - - - - - - - -

Vent Assembly Type Y602-8, plastic

17A6573X022

Wiper Retaining Ring

14B2153X012

64*

Bushing O-Ring

Nitrile

1L142906992

Fluoroelastomer

1P1676X0032

66*

PTFE Wiper

14B1553X012

69*

PTFE Back-up ring (2 req’d)

14B2150X012

Reducing Nipple, plastic

14B3323X012

Bushing Snap Ring, stainless steel

1L142838992

Elbow, plastic

14B3191X012

Pin, stainless steel

1H972935032

Key Description

Part Number

Lubricant

- - - - - - - - - - -

Bias Spring, stainless steel

14B2154X012

Hex Nut, zinc plated steel

2 to 5.5 psig (0.14 to 0.37 bar) spring

1A352424122

4 to 10 psig (0.27 to 0.69 bar) spring

1A352424122

Body Bushing, aluminum

24B1454X012

Disk Washer, stainless steel

14B1954X012

99*

Disk

Nitrile

14B1953X032

Fluoroelastomer

14B1953X022

Steel and Stainless Steel lower casing ver-
sion (figures 3 & 5)

Key Description

Part Number

Control Spring, plated steel

See table 2

Adjusting Screw

0.5 to 32-inches w.c. (1.2 to 78 mbar) springs 1A589644022
1 to 5 psig (0.07 to 0.34 bar) springs

1L928608012

2 to 5.5 psig (0.14 to 0.37 bar) spring

1A500528982

4 to 10 psig (0.27 to 0.69 bar) spring

1A500528982

Closing Cap

0.5-inches w.c. to 5 psig (1.2 to 340 mbar) springs

Aluminum

1A589544022

Steel

1J880124092

Stainless Steel

1J8801X0022

2 to 5.5 psig (0.14 to 0.37 bar) spring, brass

1H798714012

4 to 10 psig (0.27 to 0.69 bar) spring, brass

1H798714012

Lower Control Spring Seat, plated steel

0.5 to 32-inches w.c. (1.2 to 78 mbar) springs 14B4240X012
1 to 5 psig (0.07 to 0.34 bar) springs

14B4240X012

2 to 5.5 psig (0.14 to 0.37 bar) spring (2 req’d) 1H7974X0012
4 to 10 psig (0.27 to 0.69 bar) spring (2 req’d) 1H7974X0012

Diaphragm Assembly

0.5 to 32 inches w.c. (1.2 to 78 mbar) springs

Nitrile

1N9721X0012

Fluoroelastomer

1N9721X0022

1 to 10 psig (0.07 to 0.69 bar) springs

Nitrile

1N9722X0012

Fluoroelastomer

1N9722X0022

Lower Diaphragm Plate

Stainless steel

0V003935032

Stainless steel (NACE)

0V0039X0022

Diaphragm Plate Gasket, composition

1A348704022

Pusher Post

Stainless steel

0Y096435072

Stainless steel (NACE)

0Y096435072

Lever Assembly

Stainless steel

1E3409X0052

Stainless steel (NACE)

1E3409X0052

Machine Screw, stainless steel (2 req’d)

1A866935032

Machine Screw, stainless steel

1A8664X00A2

Stem

Stainless steel

24B1975X012

Stainless steel (NACE)

24B1975X022

15*

Stem O-ring

Nitrile

15A6080X012

Fluoroelastomer

1L949306382

FFKM

15A6080X022

16*

Body Gasket, composition

1A348004032

Snap Ring, steel

0Y095828982

Union Nut

WCB Steel

0Z017624092

Stainless Steel

0Z0176X0012

WCB Steel (NACE)

0Z017624092

Lower Casing Assembly

WCB steel

34B1452X012

Stainless steel

34B1452X022

Diaphragm Case Cap Screw, plated steel
(12 req’d)

1B136324052

Hex Nut, zinc pl steel (12 req’d)

1A309324122

Summary of Contents for Fisher Accu-Pressure Y693

Page 1: ...It is used for accurate pressure control on pressure blanketing systems The regulator will help in controlling emissions from the blanketed product and helps in protecting against any contamination to the blanketed product by atmospheric conditions The regulator will maintain a positive vessel pressure reducing the possibility of vessel wall collapse The Type Y693 is available in 1 1 2 inch and 2 ...

Page 2: ...tions by the National Fuel Gas Code Title 54 of the National Fire Codes of the National Fire Protection Association or by other applicable codes to prevent service conditions from exceeding those limits A regulator should be inspected immedi ately for damage after any overpressure condition Additionally physical damage to the gas blanketing regulator could result in personal injury and property da...

Page 3: ... See figures 4 5 for the location of the external control line connection If the regulator vents some gas or a leak develops in the system it indicates that service is required Failure to take the regulator out of service immediately may create a hazardous condition In hazard ous or flammable gas service vented gas may accumulate and cause personal injury death or property damage due to fire or ex...

Page 4: ...ssure between these shutoff valves is released through the open vent valves since a gas blanketing regulator remains open in response to the decreasing downstream pressure If vent valves are not installed safely bleed off both inlet and outlet pressures and check that the regulator contains no pressure Principle of Operation The Type Y693 Gas Blanketing Regulator reduces a higher pressure gas to m...

Page 5: ...threads of the replacement orifice with a good grade of pipe thread sealant Install the orifice with 75 to 100 foot pounds 102 to 136 N m of torque 3 Inspect the disk key 99 for nicks cuts and other damage Unscrew the machine screw key 12 and replace the disk with a new part if necessary Install the new disk disk washer and machine screw keys 99 98 12 and hand tighten to a torque of 1 to 2 foot po...

Page 6: ...y key 49 into the stem key 13 and insert the clevis pin key 10 and cotter pin key 14 Secure the lever assembly key 49 with the machine screws key 11 Carefully tighten the machine screws to a torque of 7 to 9 foot pounds 9 to 12 N m 12 Install the diaphragm and plate assembly key 5 pattern side up on the pusher post Then install the lower spring seat key 4 13 Lubricate the diaphragm cap screw threa...

Page 7: ...phragm cap screw threads key 30 and insert the cap screw to secure the diaphragm parts to the pusher post key 8 Carefully tighten to a torque of 7 to 9 foot pounds 9 to 12 N m 15 Install the assembled parts in the lower casing key 20 Make sure that the lever key 9 fits in the pusher post key 8 and that the holes in the diaphragm align with the holes in the lower casing 16 Install the spring case k...

Page 8: ...ARK GREEN 18 TO 32 INCHES WC 44 TO 78 MBAR 34B4867 A ONLY USED WITH THE FOLLOWING CONTROL SPRINGS DARK BLUE 1 TO 2 PSIG 0 07 TO 0 14 BAR ORANGE 1 5 TO 3 3 PSIG 0 10 TO 0 23 BAR YELLOW 2 TO 5 PSIG 0 14 TO 0 34 BAR ONLY USED WITH GREEN STRIPE 2 TO 5 5 PSIG 0 14 TO 0 37 BAR AND SILVER 4 TO 10 PSIG 0 27 TO 0 66 BAR CONTROL SPRINGS Figure 3 Type Y693 Adjusting Screw Control Spring Combinations 34B4832 ...

Page 9: ...Type Y693 9 APPLY LUB 54B2264 B Figure 4 Type Y693 Regulator Aluminum Lower Casing Version SECTION A A VIEW B A A ...

Page 10: ...Type Y693 10 SECTION A A VIEW B A A Figure 5 Type Y693 Regulator Steel or Stainless Steel Lower Casing Version APPLY LUB 54B2266 B CONTROL LINE CONNECTION ...

Page 11: ...69 PTFE Back up ring 2 req d 14B2150X012 72 Reducing Nipple plastic 14B3323X012 74 Bushing Snap Ring stainless steel 1L142838992 75 Elbow plastic 14B3191X012 79 Pin stainless steel 1H972935032 Key Description Part Number 80 Lubricant 85 Bias Spring stainless steel 14B2154X012 93 Hex Nut zinc plated steel 2 to 5 5 psig 0 14 to 0 37 bar spring 1A352424122 4 to 10 psig 0 27 to 0 69 bar spring 1A35242...

Page 12: ...40 Raised Face 1 1 2 x 1 1 2 inch size 14B3195X092 2 x 2 inch size 14B3195X102 Stainless steel NPT 1 1 2 x 1 1 2 inch size 14B3194X032 2 x 2 inch size 14B3194X042 Class 150 RF Flanged 1 1 2 x 1 1 2 inch size 14B3195X052 2 x 2 inch size 14B3195X062 Class 300 RF Flanged 1 1 2 x 1 1 2 inch size 14B3195X072 2 x 2 inch size 14B3195X082 DIN Class PN 16 25 40 RF Flanged 1 1 2 x 1 1 2 inch size 14B3195X11...

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Emerson Fisher Accu-Pressure Y693, Instruction Manual

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