Cashco SA1 User Manual download pdf

INSTALLATION, OPERATION & MAINTENANCE MANUAL (IOM)

IOM-CA1/SA1

11-13

I. DESCRIPTION AND SCOPE

Models CA1/SA1 are pressure reducing regulators used to control downstream (outlet or P2) pressure. Sizes are

3/4" (DN20), 1" (DN25), 1-1/2" (DN40), and 2" (DN50). With proper trim uti li za tion, the unit is suitable for liquid or

gaseous service. (NOTE: This product was formerly identiﬁ ed as a Model C1 or S1; a Model CA1/SA1 and C1/S1

are one and the same product.)

MODEL CA1/SA1

CA1 and SA1 - ULTRA HIGH PURITY, SPRING LOADED

PRESSURE REDUCING REGULATORS

SECTION I

II. REFERENCES

Refer to Technical Bulletin CA1/SA1-TB for tech ni-

cal speciﬁ cations of a Model CA1/SA1 reg u la tor.

ABBREVIATIONS

CCW – Counter Clockwise

CW – Clockwise

ITA – Inner Trim Assembly

SECTION III

SECTION II

III. INSTALLATION

1. Install per direction of ﬂ ow arrow indicated on

body, or "IN" and "OUT" markings.

2. Regulator may be rotated around pipe axis 360

degrees. For ease of maintenance, the rec om-

mend ed orientation is with the spring chamber

(4) upwards.

3. Provide space below, above, and around reg u la tor

for removal of parts during maintenance.

4. Install block valves and pressure gauges to pro-

vide means for adjustment, operation, bypass, or

removal of the regulator. A UHP ﬁ lter is rec om-

mend ed before inlet to remove typical pipe line

debris from entering valve and damaging internal

“soft goods”, primarily the dynamic seal and valve

seat.

CAUTION

Installation of adequate overpressure pro tec tion

is recommended to pro tect the reg u la tor and all

downstream equip ment from dam age in the event

of reg u la tor failure.

CAUTION

DO NOT HYDROSTATIC TEST THROUGH AN

IN STALLED UNIT; ISOLATE REGULATOR FROM

TEST. The upper range spring pres sure level

on the nameplate is the rec om mend ed “upper

op er at ing limit” for the sens ing di a phragm.

Higher pres sures could cause internal dam age.

In ad di tion, note on the nameplate that the Inlet

and Outlet pres sure and temperature ratings are

at different levels.

1 2 3 4 5 6 ... 11 12

Summary of Contents

Page 1 - MODEL CA1/SA1

INSTALLATION, OPERATION & MAINTENANCE MANUAL (IOM) IOM-CA1/SA111-13I. DESCRIPTION AND SCOPEModels CA1/SA1 are pressure reducing regulators us

Page 2

IOM-CA1/SA110NOTES

Page 3 - SECTION VII

IOM-CA1/SA111NOTES

Page 4

Figure 3:Model CA1/SA1 Item No. Description 1 Adjusting Screw 2 Adjusting Screw Lock Nut 3 Closing Cap 4 Spring Chamber 5 Spring F

Page 5

IOM-CA1/SA12IV. PRINCIPLE OF OPERATION1. Movement occurs as pressure variations register on the diaphragm. The registering pressure is the outlet,

Page 6

IOM-CA1/SA13VII. MAINTENANCEA. General:1. The regulator may be serviced without re mov- ing the regulator from pipeline. The reg u la tor is desig

Page 7 - VIII. TROUBLE SHOOTING GUIDE

IOM-CA1/SA14e. Remove dynamic side seal (27) com po- nents and discard. Special care should be taken when using “tools” to remove the components to e

Page 8

IOM-CA1/SA15seal (27.2) into the groove of the piston-guide bear ing (13).NOTE: Use NO lubricants!2. Position cap seal (27.1) ring with rect an gu la

Page 9 - IX. ORDERING INFORMATION

IOM-CA1/SA16upper di a phragm pres sure plate (8) may be off-center. Remove spring cham ber (4) and reposition upper di a phragm pres sure plate (8) u

Page 10 - IOM-CA1/SA1

IOM-CA1/SA17SECTION VIIIVIII. TROUBLE SHOOTING GUIDEWhen trouble shooting this regulator there are many possibilities as to what may be causing proble

Page 11

IOM-CA1/SA18Possible Causes Remedies A. Body bolts not torqued properly. A1. Torque to proper value (see Section VII, F.13). A2. Failed C

Page 12 - Opt-1 - Closing Cap

IOM-CA1/SA19SECTION IXNEW REPLACEMENT UNIT:Contact your local Cashco, Inc., Sales Rep re sen- ta tive with the Serial Number and Product code. With t