Emerson Fisher Accu-Pressure Y693 Instruction Manual Download Page 12

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Type Y693

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property of their respective owners.

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.

Fisher does not assume responsibility for the selection, use or maintenance of any product. Responsibility for proper selection, use and maintenance of any Fisher product remains solely with the purchaser.

For information, contact Fisher:

Marshalltown, Iowa 50158 USA
McKinney, Texas 75070 USA
28320 Gallardon, France
40013 Castel Maggiore (BO), Italy
Sao Paulo 05424 Brazil
Singapore 128461

www.FISHERregulators.com

Key Description

Part Number

Spring Case

Aluminum

AE6180X0012

WCB steel

34B2157X012

Stainless steel

34B2157X022

25*

Disk Holder
Stainless steel

24B1952X012

Stainless steel (NACE)

24B1952X022

Orifice
Stainless Steel, 1/2-inch (12.7 mm)

0L040135032

Stainless steel (NACE), 1/2-inch (12.7 mm)

0L0401X0012

Body

WCB Steel

NPT

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

14B3194X012

2 x 2-inch size

14B3194X022

Class 150 RF Flanged

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

14B3195X012

2 x 2-inch size

14B3195X022

Class 300 RF Flanged

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

14B3195X032

2 x 2-inch size

14B3195X042

DIN Class PN 16, 25 & 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

14B3195X112

2 x 2-inch size

14B3195X122

WCB Steel (NACE)

NPT

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

14B3194X052

2 x 2-inch size

14B3194X062

Cap Screw, plated steel

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

Key Description

Part Number

35*

Closing Cap Gasket, neoprene

1N446206992

Spring Seat, aluminum

0Y095644012

Nameplate

- - - - - - - - - - -

Drive Screw

- - - - - - - - - - -

Vent Assembly Type Y602-8, plastic

17A6573X022

64*

Bushing O-Ring

Stainless steel trim

Nitrile

1C782106992

Fluoroelastomer

1N163206382

FFKM

1C7821X0052

Stainless steel trim (NACE)

Neoprene

15A6078X012

Fluoroelastomer

1N163206382

FFKM

1C7821X0052

66*

PTFE Wiper

14B1553X012

69*

PTFE Back-up ring (2 req’d)

14B2150X012

Reducing Nipple, plastic

14B3323X012

Bushing Snap Ring
Stainless steel

14B1764X012

Stainless steel (NACE)

14B1764X022

Elbow, plastic

14B3191X012

Lubricant

- - - - - - - - - - -

Bias Spring
Stainless steel

14B2154X012

Stainless steel (NACE)

14B3540X012

Hex Nut, 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

Stainless steel

24B1455X012

Stainless steel (NACE)

24B1455X022

Disk Washer, stainless steel

14B1954X012

99* ` Disk

Stainless steel trim

Nitrile

14B1953X032

Fluoroelastomer

14B1953X022

FFKM

14B1953X052

Stainless steel trim (NACE)

Neoprene

14B1953X042

Fluoroelastomer

14B1953X022

FFKM

14B1953X052

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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