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IOM-123-1+6 +S DIFF

7

POSITION OF MOUNTING BRACKET STUDS

SECTION VIII

Figure 4:  1-1/2" (DN40) Body Size

Figure 3:  1/2"  & 3/4" (DN15 & DN20) Body Sizes

Bolt Circle

1/2" (DN15) NPT 
Loading 
Pressure 
Connection

Bolt Circle

Position of Longer Studs 
(41,42) used for mounting 
customer supplied bracket.

Position of two "Short" Cap 
Screws (7,30) must straddle 
1/2" (DN15) NPT Loading 
Pressure Connection.

1/2" (DN15) NPT 
Loading 
Pressure 
Connection

Position of Longer Studs 
(41,42) used for mount-
ing customer supplied 
bracket.

Position of two "Short" Cap 
Screws (7,30) must straddle 
1/2" (DN15) NPT Loading Pres-
sure Connection 

Body SIze

No. of 1/2" (12.7 mm)

Dia. Bolt Holes

Bolt Circle

Position

in

(DN)

in

(mm)

A

B

1/2", 3/4", 

1"

(15, 20, 

25)

12

6-1/4"

(159 mm)

15°

30°

1-1/2"

(40)

16

7-1/2"

(191 mm)

11.25°

22.5°

NEW REPLACEMENT UNIT:

Contact your local Cashco, Inc., Sales Rep re sen-
 ta tive with the Serial Number and Product code.  
With this information they can provide a quotation 
for a new unit including a complete description, 
price and availability.

7

VIII. ORDERING 

INFORMATION:

 

 

NEW REPLACEMENT UNIT vs PARTS  "KIT" FOR FIELD REPAIR 

To obtain a quotation or place an order, please retrieve the Serial Number and Product Code that was stamped 
on the metal name plate and attached to the unit.  This information can also be found on the Bill of Material 
(parts list) that was provided when unit was originally shipped.)  (Serial Number typically 6 digits).  Product Code 
typical format as follows:  (last digit is alpha character that re

fl

 ects revision level for the product).

          CAUTION

Do not attempt to alter the original construction of any 
unit without assistance and approval from the factory.  
All purposed changes will require a new name plate 
with appropriate  ratings and new product code to 
accommodate the recommended part(s) changes.

PARTS "KIT" for FIELD REPAIR:

Contact your local Cashco, Inc., Sales Rep re sen ta-
 tive with the Serial Number and Product code.  Identify 
the parts and the quantity required to repair the unit  
from the Bill of Materials sheet that was provided 
when unit was originally shipped. 

NOTE:

 

  Those part numbers that have a quantity indicated  

under  "Spare Parts" in column "A” re

fl

 ect minimum 

parts required for inspection and rebuild, - "Soft 
Goods Kit".  Those in column “B” include minimum 
trim replacement parts needed plus those "Soft 
Goods" parts from column "A".

 If the "BOM" is not available, refer to the cross-
sectional drawings included in this manual for part 
identi

fi

 cation and selection.

Local Sales Representative will provide quotation 
for appropriate Kit Number, Price and Availability.

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 speci

fi

 cations of such product at any time without notice.

Cashco, Inc. does not assume responsibility for the selection, use or maintenance of any product.  Responsibility for proper selection, use and maintenance of any 

Cashco, Inc. product remains solely with the purchaser.

Summary of Contents for 123-1+6+S

Page 1: ...t P1 pressure coming in the side body 1 connection in accordance with the directional flow arrow cast on body 1 PSIZING P1 P2 P1 PLOAD P1 PLOAD PSET PDIFFERENTIAL P1 PLOAD LOADING FLUID PLOAD DIAPHRAG...

Page 2: ...by turning CCW Loosen lock nut 9 by turning CCW Turn the adjusting screw 17 CW to increase differential pressure or CCW to decrease Tighten lock nut 9 and replace closing cap 22 REFER TO THE COMPRESSO...

Page 3: ...lightweight grease on the ring seals 28 29 c Lubricate adjusting screw 17 threads Carefully reinstall adjusting screw 17 up into the spring chamber 2 by rotating adjusting screw 17 CW until top of ad...

Page 4: ...justmentscrew 17 sothatspringchamber 2 and body 1 just make contact This will keep the range spring 18 from falling over while the body 1 and spring chamber 2 are bolted back together 10 Inspect press...

Page 5: ...ating SeeTable1 b Crack open No 1 shut off valve and allow a pressure buildup simultaneously in the body 1 and spring chamber 2 Spray the entire regulator with a liquid leak detector and visually insp...

Page 6: ...nder D Incorrect range spring screwing out CCW of adjusting screw does not allow bringing pressure level to a stable and proper level D Replace range spring with proper lower range Contact factory E T...

Page 7: ...vel for the product CAUTION Do not attempt to alter the original construction of any unit without assistance and approval from the factory All purposed changes will require a new name plate with appro...

Page 8: ...r Item No Description Parts 20 Pressure Plate 21 Pusher Plate 22 Closing Cap 24 Diaphragm Covers1 27 Sealing Washer 28 Backup Ring 29 Quad Ring 30 Cap Screw Hex head 31 Pressure Plate O ring 32 Diaphr...

Page 9: ...e evaluated and along with their evaluation Models and options not listed in Table 2 should be assumed to not have been evaluated and therefore should not be selected for use in a potentially explosiv...

Page 10: ...y the user could possibly increase the surface temperature and must be evaluated by the user for compliance with the ATEX Directive User installation of heating systems applied to the regulator body o...

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