Aqua Environment Inc 1120 Kullanım ve Bakım Kılavuzu

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Aqua Environment Inc

OPERATION AND MAINTENANCE

MODEL 1120 REGULATOR

GENERAL

The model 1120 is a small, piston type, hand load

regulator available in an outlet pressure range of 0 to

5000 PSI. Functionally it is similar to our model 415-

5000 regulator but has only a single inlet and outlet

port. It is available with a hex head adjusting bolt and

lock nut for single set pressure use or with the same

adjusting hand knob as used on the model 415

regulator. It can be panel mounted using either the

upper 1.25" threaded section and lock nuts (part

number 952) or the lower 1 inch jam nut. It uses an

unbalanced poppet design for ruggedness and

simplicity. There is a small variation of control pressure

with changing inlet pressure as noted in the

specifications. A 20 to 30 micron filter in the poppet

cartridge prevents damage by contaminants.

SPECIFICATIONS

Max inlet pressure

Outlet pressure

Body ports

Flow coefficient (Cv)

Materials

Outlet pressure variation

with inlet pressure

ASSEMBLY PROCEDURE

1. Refer to the cross section drawing and assemble in

clean dry area.

2. Blow all parts clean.

3. Inspect sealing area of vent seat item 3 with 10X

magnification and remove any particles.

4. Install O ring 16 on piston 4.

5. Completely pack area between cap 5 and piston 4

with Cristo lub MCG 121 or 111 or equivalent.

Sufficient grease should be used so it takes pressure

to extrude grease out as piston is inserted into

housing. Wipe off excess.

6. Install O ring 17 with Dow 111 grease and install

seat item 3.

7. Install piston 4 assembly in cap 5.

8. Install cartridge 2 and O rings 18 &19 in body 1. Lub

with Dow 111 grease.

9. Install body 1 into cap 3. Insure seat 3 doesn't fall

out of place. Use Dow 11 on threads between body

and cap and torque to 3 to 15 ft lbs.

10. Apply Slick 50 or equivalent EP grease to

bearings 9 and 10 if used, screw 12 and threads in

cap 8.

6000 PSI

0 to 5000 PSI

1/4" MNPT - inlet at the

bottom centerline

1/4" FNPT outlet on

the side as shown

.06 (equals .07" orifice)

anodized aluminum

body, brass and

stainless interiors

viton & KEL-F seals

70 PSI increase per

1000 PSI drop of inlet

drw 1121

11. Install spring guide 11, bearings 9 and 10, spring

15, and spring guide 7 as shown.

12. Install cap assembly onto regulator using mating

collar 6. Torque to 3 to 15 ft lbs.

11. Install adjusting screw and knob or bolt and lock

nut items 12 and 13 using Slick 50 grease on

threads.

INSTALLATION

Use a suitable pipe thread sealant such as teflon

tape on inlet and outlet threads. Avoid over torquing

pipe thread. Normal torque applied with a 6 or 8 inch

long wrench is ample. Use ample teflon tape - 3 or 4

turns, not 1 or 2 turns. The inlet is at the bottom of

the regulator as shown. The outlet is at the side.

Optional panel mounting nuts are available (part no.

952). These may be used to mount the regulator

through a 1.25" panel hole. Optionally the regulator

can be mounted using the 1 inch jam nut and body

flange shown near the bottom of the regulator.

regulator is NOT shipped oxygen clean and should

NOT be used for oxygen service as provided.

Consult the factory for details on oxygen service. AS

WITH ANY REGULATOR, A RELIEF VALVE SET

SLIGHTLY

ABOVE

THE

CONTROL PRESSURE SHOULD BE INSTALLED

ON THE OUTLET SIDE.

MAINTENANCE & REPAIR

CAUTION

As with any regulator or valve,

particulates or moisture

internal filter or valve seat. This can occur when up-

stream dryers are not changed or remain unused for

long

periods

allowing

accumulate. In critical applications where it is

important not to lose flow, a larger particulate filter

should be used upstream. Also an orifice such as

the Aqua model 796 should be used downstream.

This reduces the tendency to freeze when moisture

is present. Consult factory for details.

should establish

time intervals for changing the

valve cartridge, filter and upstream dryers based on

experience

and

service

representation is made herein as to time intervals as

each use is unique.

Back-up systems should be

used

very

critical

maintenance is hard to insure. The poppet cartridge

832 is a factory assembled item and should be

replaced if required and not disassembled unless

absolutely necessary. Spare cartridges are available

at a nominal cost and should be kept on hand if rapid

repairs are required. IN ALL CASES THE UNIT CAN

BE RETURNED TO THE FACTORY OR DEALER

FOR REPAIR UNDER WARRANTY IF APPLICABLE

OR AT A NOMINAL CHARGE.

repairs should only be done by qualified personnel

in a clean environment by following the drawings

herein.

2/96 980728; 061207; 090805PS

The

MAXIMUM

DESIRED

can plug or freeze the

corrosion

materials

The user

conditions.

applications

since

field

Maintenance or