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INSTALLATION, OPERATION & MAINTENANCE MANUAL (IOM)

IOM-P7

11/13

SECTION I

I. DESCRIPTION AND SCOPE

The Model P7 is a 1/2" (DN15) or 3/4" (DN20) pressure reducing regulator used to control downstream (outlet or P

)

pressure. The unit is suitable for gaseous or liquid services. Refer to Technical Bulletin P7-TB for design conditions

and selection recommendations.

SECTION II

II. INSTALLATION

MODEL P7

PISTON SENSING SINGLE STAGE

PRESSURE REDUCING REGULATOR

1. An inlet block valve should always be installed.

2. If service application is continuous such that

shut down is not readily accomplished, it is rec-

ommended that an inlet block valve, outlet block

valve, and a manual bypass valve be installed.

3. Pipe unions should be installed to allow removal

from piping.

4. An outlet pressure gauge should be located ap prox-

i mately ten pipe diameters downstream, and within

sight.

5. All installations should include a downstream re lief

de vice if the inlet pressure could exceed the pres-

sure rating of any downstream equip ment or the

maximum outlet pressure rating of the unit.

6. Clean the pip ing of all foreign material including

chips, welding scale, oil, grease and dirt before

installing the reg u la tor. Strainers are rec om -

mend ed.

CAUTION A

Installation of adequate overpressure pro tec tion

is recommended to pro tect the reg u la tor from

over pres sure and all down stream equip ment

from dam age in the event of regulator failure.

7. In plac ing thread seal ant on pipe ends pri or to

en gage ment, ensure that excess material is re-

moved and not allowed to enter the regulator upon

startup.

8. Flow Direction: Install so the ﬂ ow direction match es

the inlet stamp on the main regulator body (1).

9. For best performance, install in well drained hori-

zon tal pipe.

10. Regulator may be rotated around the pipe axis 360°.

Recommended position is with spring loaded knob

(38) or loading dome (2) or ratio loading upper case

(44) in ver ti cal upwards position.

11. Regulators are not to be buried un der ground.

12. For insulated piping systems, recommendation is

to not insulate regulator.

Model P7

1 2 3 4 5 6 7 8 9

Résumé du contenu

Page 1 - MODEL P7

INSTALLATION, OPERATION & MAINTENANCE MANUAL (IOM) IOM-P711/13SECTION I I. DESCRIPTION AND SCOPEThe Model P7 is a 1/2" (DN15) or 3/4&quo

Page 2 - CAUTION B

IOM-P72SECTION IV IV. STARTUPSECTION V V. SHUTDOWNSECTION III III. PRINCIPLE OF OPERATION1. Movement occurs as pressure variations regis-ter on th

Page 3 - SECTION VI

IOM-P73SECTION VI VI. MAINTENANCE To prevent damage to body, use soft jaws when placing body in a vise. Position so that vise closes over

Page 4 - WARNING 3

IOM-P746. Insert smallest o.d. of piston (5) into largest i.d. of sleeve (3). Press tighly together for metal to metal contact. Press this assembly

Page 5 - SECTION VIII

IOM-P759. Clean body (1) and all reusable parts according to owner's procedures. NOTE: On regulators originally supplied as “oxygen clean”, Opti

Page 6 - CAUTION

IOM-P764. Excessive pressure downstream.Possible Causes RemediesA. Regulator not closing tightly. A. Inspect the seating. Clean and lap metal seat

Page 7 - SPRING LOADED

IOM-P77 Repair Parts Item No. Description Kit B 1 Body 2 Spring Chamber 3 Sleeve 4 O-Ring...

Page 8 - RATIO LOADED

IOM-P78 Repair Parts Item No. Description Kit B 1 Body 2 Dome 3 Sleeve 4 O-Ring...

Page 9

Cashco, Inc.P.O. Box 6 Ellsworth, KS 67439-0006PH (785) 472-4461Fax. # (785) 472-3539www.cashco.comemail: [email protected] in U.S.A. P7-IOMC

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Cashco P7 Manuel d'utilisateur

Naviguer en ligne ou télécharger Manuel d'utilisateur pour Capteurs Cashco P7. Cashco P7 User Manual Manuel d'utilisatio

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