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www.henrytech.com

COMPRESSOR PROTECTIVE DEVICES

MECHANICAL OIL LEVEL REGULATORS

The function of a Mechanical Oil Level Regulator is to control the

oil level in the compressor crankcase when used as part of a Low

Pressure Oil Management System.

Applications

Oil Level Regulators are typically used as part of a Low Pressure Oil

Management System on parallel compressor racks. Mechanical Oil Level

Regulators are designed to bolt directly to the sight glass housing on the

compressor crankcase. Henry Technologies offers fixed level and adjustable

level Oil Level Regulators, as well as a wide variety of Adapters to allow use

on most popular compressor models.

The S-9010 Mechanical Oil Level Regulator maintains a fixed oil level at 1/2

sight glass. The S-9010 maintains the oil level at any pressure differential

between 5 and 30 PSI (0.35 to 2.0 Bar)

The S-9090 Mechanical Oil Level Regulator can be adjusted to maintain an

oil level between 1/4 and 5/8 sight glass. The S-9090 maintains the oil level

at any pressure differential between 5 and 90 PSI (0.35 and 6.2 Bar). Henry

Technologies' exclusive design allows for oil level adjustment while the

system is in operation eliminating the need of system shut down or

disconnection of oil supply lines.

The S-9130 Mechanical Oil Level Regulator can be adjusted to maintain an

oil level between 1/4 and 5/8 sight glass. The S-9130 maintains the oil level

at any pressure differential between 5 and 90 PSI (0.35 and 6.2 Bar). Henry

Technologies' exclusive design allows for oil level adjustment while the

system is in operation eliminating the need of system shut down or

disconnection of oil supply lines.

All Henry Technologies' Mechanical Oil Level Regulators are suitable for use

with HFC and HCFC refrigerants and their associated oils, as well as other

industrial fluids non-corrosive to steel, brass, copper, nylon and synthetic

rubber.

Main Features

Ÿ

3 bolt on 1-7/8” or universal flange compressor connections

Ÿ

SAE flare oil and equalization connections

Ÿ

Adjustable oil level on select models

Ÿ

Pressure equalization ports for multi compressor applications

Ÿ

Adapters available for most popular compress models

Technical Specifications

Maximum working pressure = 450 PSI (31 Bar)

Allowable pressure differential S-9010 = 5 to 30 PSI (0.35 to 2.0 Bar)

Allowable pressure differential S-9090 & S-9130 = 5 to 90 PSI (0.35 to 6.2

Bar)

Allowable operating temperature = +32°F to +266°F (0°C to +130°C)

Henry Technologies' Mechanical Oil Level Regulators are UL and C-UL

Listed by Underwriters Laboratories, Inc.

Materials of Construction

The shell and caps are made of steel. The float valve is made of brass with a

stainless steel needle. The float ball is made of stainless steel and all

connections are made of plated steel.

Installation - Notes

1. To protect the Oil Level Regulator from system debris, an Oil Strainer, Oil

Filter or Oil Filter Drier is recommended.

2. The Oil Level Regulator can be fitted directly to 2, 3 and 4 cylinder

compressors and to most 6-cylinder compressors that use a standard 3 or

4 bolt sight glass. For other compressor configurations, an adaptor will be

required.

3. The Oil Level Regulator should not be subjected to excessive vibration.

The operating differential oil pressure should be within the range of the

Regulator's specification.

4. The oil level must be set and controlled in line with the compressor

manufacturer's guidelines.

5. Full instructions are given in the Product Instruction Sheet included with

each Regulator.

Œ



3/8 SAE Flare Inlet

3/8 SAE Equalization Port

Part No

Fig No

Dimensions (inch)

Flange Type

Weight

(lbs)

ØA

B

C

D

E

S-9010

1

3.0

3.18

4.56

2.09

1.96

3 on 1-7/8”

3.2

S-9090

2

3.0

3.18

4.56

2.09

1.96

3 on 1-7/8”

3.3

S-9130

3

4.0

3.18

4.55

2.25

2.12

Universal Flange

3.9

ØA

FIG 1

FIG 2

FIG 3

Ž



Compressor Connection Flange

Adjustment Screw

B

3

2

3

45°

C

D

E

1

45°

2

3

B

3

ØA

C

D

E

1

4

45°

2

3

B

3

ØA

C

D

1

4

E

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