Cashco 1465 User Manual download pdf

II. INSTALLATION

INSTALLATION, OPERATION & MAINTENANCE MANUAL (IOM)

IOM-1465

12-13

Recommended Piping Schematic

for Pressure Reducing Station

MODEL 1465

PRESSURE REDUCING REGU LA TOR

SECTION I

I. DESCRIPTION AND SCOPE

The Model 1465 is a high pressure reducing reg u la tor designed primarily for analytical sampling and low ﬂ ow ap-

plications. Size is 1/4" (DN8). With proper trim utilization, the unit is suitable for liquid and gaseous ser vice. Refer to

Technical Bulletin 1465-TB for design conditions and se lec tion rec om men da tions. NOT FOR DEAD END SER VICE.

SECTION II

Do not dead end (no ﬂ ow demand) down stream of

the regulator. The inlet pres sure will transmit past

the metal seat (not positive shut-off) and equal ize

on the down stream. This will lead to di a phragm

failure, regulator mal func tion, and pos si ble dam age

to sys tem in stru men ta tion down stream.

CAUTION A

1. An inlet block valve should always be in stalled.

2. If service application is continuous such that

shut down is not readily accomplished, it is rec-

om mended that an inlet block valve, outlet block

valve, and a manual bypass valve be in stalled.

3. Pipe unions should be installed to allow re mov al

from piping.

4. An outlet pressure gauge should be located ap-

prox i mate ly ten pipe diameters down stream, and

within sight.

5. All installations should include a downstream re-

lief device if the inlet pressure could exceed the

pressure rating of any down stream equip ment or

the max i mum outlet pressure rating of the unit.

6. Clean the piping of all foreign material in clud ing

chips, welding scale, oil, grease and dirt before

installing the regulator. Strainers are rec om-

mended.

7. In placing thread sealant on pipe ends prior to

en gage ment, ensure that excess material is

re moved and not allowed to enter the reg u la tor

upon startup.

8. Flow Direction: Install in accordance with the

ﬂ ow di rec tion arrow cast on the body. The inlet

pres sure is con nect ed to the bottom connection

and the outlet (reduced) pressure is connected

to the side connection. When in stall ing, hold by

the body (1) hex to keep the regulator ﬁ rm.

Outlet

@ P2

Bypass

Model 1465

Reducing

Regulator

SRV

Sup ply

@ P1

For welded installations, all internal trim parts,

seals and diaphragm(s) must be removed from

reg u la tor body prior to welding into pipeline. The

heat of fusion welding will dam age non-metallic

parts if not re moved. NOTE: This does not apply to

units equipped with ex tend ed pipe nip ples.

CAUTION B

CAUTION C

Installation of adequate overpressure pro tec tion

is rec om mend ed to pro tect the reg u la tor and all

down stream equip ment from dam age in the event

of reg u la tor failure.

1 2 3 4 5 6 7 8

Summary of Contents

Page 1 - MODEL 1465

II. INSTALLATIONINSTALLATION, OPERATION & MAINTENANCE MANUAL (IOM)IOM-1465 12-13Recommended Piping Schematicfor Pressure Reducing StationMOD

Page 2 - SEC TION IV

2IOM-1465SECTION III mine if the regulator is ﬂ owing. If not, slowly rotate the regulator adjusting screw (12) clock wise (CW) until ﬂ ow begins.6.

Page 3 - SECTION V

IOM-146532. Relax range spring (10) by turning ad just ing screw (12) CCW until removed from spring cham ber (2). NOTE: If the Option -2 or -22 is u

Page 4 - SECTION VII

4IOM-146511. Apply an appropriate lubricant to the threads of the spring chamber (2). Reverse Steps B.2 and B.3 to complete assembly. Tighten spring

Page 5

IOM-146555. Sluggish operation.2. Leakage through the spring chamber vent hole.3. Regulator can't pass sufﬁ cient ﬂ ow.4. Excessive pressure

Page 6 - SECTION VIII

6IOM-1465SECTION VIIINEW REPLACEMENT UNIT:Contact your local Cashco, Inc., Sales Rep re sen- ta tive with the Serial Number and Product code. With th

Page 7 - Item Number Description

IOM-14657 Item Number Description 1 Body Subassembly 2 Spring Chamber 3 Plug 4 Spring 5 Spring Seat 6 Pusher Plate 7 O-ring 8 Diaphragm 9

Page 8

Cashco, Inc.P.O. Box 6 Ellsworth, KS 67439-0006PH (785) 472-4461Fax. # (785) 472-3539www.cashco.comemail: [email protected] in U.S.A. IOM-1465

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Summary of Contents

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