Imi Norgren r64g Installation and operating instructions

01/22

I&M/en 8.240.200.01

Our policy is one of continued research and development. We therefore reserve the right to amend,

R64G Regulator

Installation & Maintenance Instructions

Fluid: Compressed air

Maximum pressure: 17 bar (250 psig)

Operating temperature*:

–20° ... +80°C (0° ... +175°F)

* Air supply must be dry enough to avoid ice

formation at temperatures below +2°C (+35°F).

Typical ow with 10 bar (150 psig) inlet pressure,

6,3 bar (90 psig) set pressure and 1 bar

(15 psig) droop from set: 120 dm3/s (254 scfm)

Gauge ports:

1/8“ PTF with PTF main ports

1/8“ ISO Rc with ISO Rc main ports

1/8“ ISO Rc with ISO G main ports

Materials:

Body: Zinc

Bonnet: Aluminium

Valve: Brass

Elastomers: Synthetic rubber

REPLACEMENT ITEMS

Service kit, contains required items circled:

Relieving 4381-200

Non relieving 4381-201

Panel Mounting Dimensions

Panel mounting hole diameter: 52 mm (2.06“)

Panel thickness: 6 mm (0.25“) max.

INSTALLATION

1. Install unit vertically in air line -

• upstream of lubricators and cycling valves,

• with air ow in direction of arrow on body,

• as close as possible to the device being serviced.

2. Before assembling the basic unit into the yoke the

port seal o-rings should be lightly smeared with

o-ring grease.

3. Locate clamp ring under lugs on top of yoke, offer

basic unit into yoke with directional arrows correct-

ly aligned (an interference t prevents assembly if

misaligned) before

engaging and fully tightening the clamp ring.

4. Install a pressure gauge or plug the gauge ports.

Gauge ports can also be used as additional outlets

for regulated air.

A B C

ADJUSTMENT

1. Before applying inlet pressure to regulator,

turn adjustment (1 or 6) counterclockwise to

remove all force on regulating spring (11).

2. Apply inlet pressure, then turn adjustment (1 or

6) clockwise to increase and counterclockwise to

decrease pressure setting.

3. Always approach the desired pressure from

a lower pressure. When reducing from a

higher to a lower setting, rst reduce to some

pressure less than that desired, then bring up

to the desired pressure.

NOTE

With non-relieving regulators, make pressure reduc-

tions with some air ow in the system. If made under

no ow (dead-end) conditions, the regulator will trap

the over-pressure in the downstream line.

4. Knob adjustment. Push knob down to lock pressure

setting. Pull knob up to release. Install tamper

resistant cover (see Replacement Items) to make

setting tamper resistant.

5. T-BAR adjustment. Tighten lock nut (7) to lock

pressure setting.

DISASSEMBLY

1. Shut off inlet pressure. Reduce pressure in

inlet and outlet lines to zero. Turn adjustment

(1 or 6) fully counterclockwise.

2. For ease of maintenance the unit can be removed

from the yoke by unscrewing the clamp ring, which

will jack the unit out downwards.

3. Disassemble in general accordance with the item

numbers on exploded view.

4. To disassemble turn the adjuster (1 or 6) coun-

ter-clockwise to relieve compression on the

adjusting spring (11). Remove 4 screws (2 or 8) to

disassemble the bonnet (3 or 9) from the body.

Remove the adjusting spring (11) and diaphragm

(12). Inspect all components for damage, foreign

matter and cleanliness and reassemble using

service replacement parts where necessary.

CLEANING

1. Clean parts with warm water and soap.

2. Rinse and dry parts. Blow out internal passages in

body with clean, dry compressed air.

3. Inspect parts. Replace those found to be damaged.

ASSEMBLY

1. Lubricate o-rings with o-ring grease.

2. Check valve for free movement in the valve guide.

3. Assemble the unit as shown on the exploded view.

4. Torque Table

Torque in

Item N-m (Inch-Pounds)

3, 9 (Bonnet) 61 ... 68 (555 ... 618)

TECHNICAL FEATURES

Option selector

Port

2 1/4”

3 3/8“

4 1/2“

6 3/4

Gauge

G With

N Without

Thread

A PTF (1/8 PTF gauge ports)

B ISO Rc taper (1/8 ISO Rc gauge ports)

G ISO G parallel (1/8 ISO Rc gauge ports)

R64G – ˙˙˙ – ˙˙˙

Diaphragm

R Relieving

N Non relieving

Adjustment

K Knob

T T-bar Spring (Outlet pressure range) *

F 0,3 ... 4 bar (3 ... 60 psig)

M 0,3 ... 10 bar (3 ... 150 psig)

S *1) 0,7 ... 17 bar (10 ... 250 psig)

* Outlet pressure can be adjusted to pressures in excess of, and less than, those specied. Do not use these units to control pressures outside of the specied ranges.

*1) Units with 17 bar (250 psig) adjustment range are available only with the T-bar adjustment, therefore substitute T at the 7th digit and S at the 12th position.