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IOM-BQ

7

MODEL BQ

COLOR-CODED SPRING CHART

NOTE: 

 If it becomes necessary to change 

a regulator's range spring and install a new 
spring for a different pressure range, 

A  NEW 

CASHCO, INC., NAMEPLATE MUST BE 
AFFIXED TO THE REG U LA TOR.

 Con tact 

your local Cashco Sales Rep re sen ta tive and 
specify the new pressure range and the 
serial number off the existing name plate. 
They will contact the factory who will review 
unit's original internal construction and de-
 ter mine new operating pressure lim its. Await 
the Sales Rep re sen ta tive's return contact 
with the proper part numbers and cost.

Figure 3

:  Option -1+6 Differential, 

Metal Seat Design (includes

Option -1 Clos ing Cap)

Figure 4

:

Composition Seat

           

Item No.         Description

                

1               Body

                2               Spring Chamber
                3               Trim (Cylinder/Piston/Seat)
                  3.1              Piston
                  3.2              Cylinder
                4               Diaphragm
                5               Piston Gasket
                6               Diaphragm Gasket
                7               Hex. head Cap Screw (Flange Bolting)
                8               Nut (Flange Bolting)
                9               Piston Cap Screw
               10              Pressure Plate
               11              Range Spring
               12              Spring Button
               13              Adjusting Screw
               14              Adjusting Screw Lock Nut
               15              Nameplate
               20              Closing Cap
               21              Closing Cap Gasket
               22              Lock Nut Seal
               23              Differential Pusher Plate
                 
                 

(NOTE:

  Mount in Horizontal line with

 Adjusting Screw down as shown.)

Figure 1

:  Standard Model BQ, 

Metal Seat Design

Figure 2

: Option -5 or -36 Cryogenic, 

Metal Seat De sign

SIZE

STANDARD UNIT 

STEEL PLATED SPRING

CRYOGENIC -5 OR -36 OPTION 

STAINLESS STEEL SPRING

RANGE SPRING

psig

PART NUMBER/COLOR

RANGE SPRING

psig

PART NUMBER/COLOR

ALL

5 - 15

830-69-5-02644-99 

(Red)

5 - 15

830-78-5-002644-00

(Red)

10 - 25

830-69-5-06000-99 (Green)

10 - 25

830-78-5-06000-00

(Green)

20 - 75

830-69-5-06419-95 

(Light Blue)

20 - 75

830-78-5-06419-00

(Light Blue)

65 - 150

830-69-5-06418-95 (White)

65 - 150

830-K4-5-06418-00

(White)

140 - 300

H2-5-06417-95 

(Maroon)

140 - 210

830-K4-5-06417-00

(Maroon)

Содержание BQ

Страница 1: ...or Back Pressure Relief Station CAUTION This is not a safety device and must not be substituted for a code approved pressure safety relief valve or a rupture disc SECTION II SECTION I WARNING Themaxim...

Страница 2: ...of Step 9 Ensurethatthisrisedoesnotexceedthestatedupper limit of the range spring by greater than 50 i e 30 80 psig 2 07 5 52 Barg range spring at maximum flow the inlet pressure should not exceed 1 5...

Страница 3: ...efertoFigure1forbasicconstruction Figure3for differential construction and Figure 2 for cryogenic construction Forablow upofthecompositionseat trim see Figure 4 4 Whencounterclockwise CCW orclockwise...

Страница 4: ...n to the following torques C Special Instructions for Diaphragm Replacement 1 FortheOption 1 6DifferentialConstruction reas semblethediaphragmsubassemblyinSub Section B Step 12 as follows assemble par...

Страница 5: ...replace with larger unit B Plugged trim B Remove trim and check for plugged holes in cylinder C Incorrect range spring screwing out CCW of adjusting screw does not allow bringing pressure level to a...

Страница 6: ...kits where possible METHOD A USE OF PRODUCT CODE Step 1 If available obtain the 18 character product code num ber from a The Bill of Materials sheet attached herein b The metal tag attached to the re...

Страница 7: ...nder 4 Diaphragm 5 Piston Gasket 6 Diaphragm Gasket 7 Hex head Cap Screw Flange Bolting 8 Nut Flange Bolting 9 Piston Cap Screw 10 Pressure Plate 11 Range Spring 12 Spring Button 13 Adjusting Screw 14...

Страница 8: ...Cashco Inc P O Box 6 Ellsworth KS 67439 0006 PH 785 472 4461 Fax 785 472 3539 E mail sales cashco com exportsales cashco com Printed in U S A IOM BQ...

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