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Cashco, Inc.
P.O. Box 6
Ellsworth, KS 67439-0006
PH (785) 472-4461
Fax (785) 472-3539
E-mail:  [email protected]
              [email protected]
Printed in U.S.A. IOM-BQ

Summary of Contents for BQ

Page 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...

Page 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...

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

Page 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...

Page 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...

Page 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...

Page 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...

Page 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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