Azbil KZ03 Series User manual

Pressure Regulator

with Air Filter (Airset)

Model: KZ03

User’s Manual

CM2-KZV100-2001

While this information is presented in good faith and believed to be

accurate, Azbil Corporation disclaims the implied warranties of mer-

chantability and tness for a particular purpose and makes no express

warranties except as may be stated in its written agreement with and for

its customer.

In no event is Azbil Corporation liable to anyone for any indirect, spe-

cial or consequential damages. e information and specications in

this document are subject to change without notice.

Table of Contents

1 : Description ..................................................................................................... 1

2 : Operational Principal (Refer to the illustrations on page 2) ............... 1

3 : Structure......................................................................................................... 2

4 : Standard Specications.................................................................................. 3

5 : Maintenance................................................................................................... 3

6 : Model Selection.............................................................................................. 4

7 : Dimensions and Installation ........................................................................... 5

8 : Applications .................................................................................................... 6

Azbil Corporation

KZ03 - Pressure Regulator with Air Filter (Airset) 1

1 : Description

The Type KZ03 pressure regulator with air lter lters the supply air and regulates

the output pressure for various pneumatic equipment.

KZ03-1

140 kPa (image with optional gauge)

KZ03-2 for Variable output (Max. 400 kPa)

KZ03-3 for Variable output (Max. 700 kPa)

~Note The number “7” is stamped

with permanent ink on the body

of KZ03-3 to tell apart from

KZ03-2

2 : Operational Principal (Refer to the illustrations on page 2)

The air supply from the primary air intake goes through the lter (15), ltrating

foreign materials. The air keeps owing to the secondary air side until the secondary

pressure balances o with the set spring (15) and shuts o the poppet valve [7]. If the

secondary pressure goes up higher than the set pressure, the diaphragm [6] will rise,

let the extra air escape through the gap between the poppet and the seat ring to the

bleeding hole.

Azbil Corporation

2 KZ03 - Pressure Regulator with Air Filter (Airset)

3 : Structure

Primary

Secondary

Fixed air pressure type

Variable air pressure type

No. Parts Material Qty. No. Parts Material Qty.

1 Cap Nylon 6 1 11 Filter cover Aluminum diecast ADC12

Stainless steel rod SUS304 1

2Bonnet Aluminum diecast 1 12 Wing bolt Stainless steel rod SUS305 1

3Setscrew Stainless steel rod 1 13 O-ring BunnaN 1

4Spring support SPCC 1 14 Hex nut Stainless steel SUS304 1

5Adjustment

spring Piano string SWPB 115 Filter Sponge Bel-ita *2 A-3230 1

6 Diaphragm

BunnaN coated Tetrin cloth *1

Copper Alloyed sheet C3713P

Copper Alloyed rod C3604B D

116 Gasket NBR 1

7Poppet Alloyed steel rod C3604B D 117 O-ring BunnaN 1

8Poppet spring piano string SWPA 1 18 Hex nut Stainless steel SUS304 1

9Poppet spring

receiver Stainless steel sheet SUS304 1 19 Set Knob ABS resin Stainless steel

rod SUS304

10 Screw with

washer Stainless steel sheet SUS304 10 20 Bleeding Hole ---

*1. uorine rubber for high temperature model

*2. Option: 3µ stainless steel ber

Azbil Corporation

KZ03 - Pressure Regulator with Air Filter (Airset) 3

4 : Standard Specications

The Pressure Regulators with Air Filter control the air pressure so each point of use

o the air line is supplied with constant air pressure.

Type KZ03-1 KZ03-2 KZ03-3

Primary pressure (kPa) Secondary pressure + more than 50 (970 max.)

Secondary pressure (kPa) 140 ± 4 (constant) 12 - 400 (variable) 12 - 700 (variable)

Characteristics

Pressure

character-

istic

Change in

secondary

pressure (kPa)

For every 200 - 970

primary pressure: 140±4

For every 450 - 970

primary pressure: 400±4

For every 800 - 970

primary pressure:

700±4

Flow

character-

istic (kPa) 140

130

120

110

050 100 150 200 l/min(N)

Primary pressure 300

Primary pressure 900

400

300

380

370

050 100 150 200 l/min(N)

Primary pressure 500

Primary pressure 900

700

690

680

670

050 100 150 200 l/min(N)

Primary pressure 800

Primary pressure 900

Secondar

pressur

Secondary

pressure

Secondary

pressure

1) KZ03-1 (primary pressure 300 - 900) 2) KZ03-2 (primary pressure 500 - 900) 3) KZ03-3 (primary pressure 800 - 900)

Amt. of air consumption 0.951 l/min(N) or less

Materials Filter ............ 3 µm Sponge (optional 3 µm stainless steel ber)

Case ............. Aluminum die-cast

External screw and wing bolt (for drain) w/o drain: stainless

Temp. of environ. -30 to +80°C (-20 to 176°F)

Air pressure connection Rc1/4 or 1/4NPT internal screw

Draining capacity 22 cm3

Weight 0.7 kg

5 : Maintenance

1) Loosen the wing bolt (12) periodically to drain

2) When the air lter becomes dirty, replace it with a new one. Do not attempt to

wash it with water and detergent.

Azbil Corporation

4 KZ03 - Pressure Regulator with Air Filter (Airset)

6 : Model Selection

Model Selection

specication

Optional

selection Selection condition, specication of pressure gauge, others

KZ03 -I II -III, -IV

Model Set

pressure Piping Pressure

gauge

KZ03

-1 Available supply pressure (Ps): Ps = 140 ± 4 kPa

-2 Available supply pressure (Ps): Ps ≤ 400 kPa (with pressure adjustment wheel)

-3

Available supply pressure (Ps): 400< Ps≤700 kPa (with pressure adjustment wheel)

ARc1/4 inch (internal)

B1/4 inch NPT thread (internal)

-XX Without pressure gauge

1½ inch (40 mm) with pressure gauge (scale)

Primary maximum

scale & unit

Secondly

unit Recommended supply pressure

-1A 2

kgf/cm2none

Ps ≤ 1.5 kgf/cm2

-1B 4 1.5 < Ps ≤ 3.0 kgf/cm2

-1N 6 3.0 < Ps ≤ 4.5 kgf/cm2

-1C 10 4.5 < Ps ≤ 7.0 kgf/cm2

-1D 30

psi none

Ps ≤ 22 psi

-1E 60 22 < Ps ≤ 45 psi

-1P 100 45 < Ps ≤ 65psi

-1F 150 65 < Ps ≤ 100psi

-1G 2

bar none

Ps ≤ 1.5 bar

-1H 4 1.5 < Ps ≤ 3.0 bar

-1Q 6 3.0 < Ps ≤ 4.5 bar

-1J 10 4.5 < Ps ≤ 7.0 bar

-1K 200

kPa none

Ps ≤ 150 kPa

-1L 400 150 < Ps ≤ 300 kPa

-1R 600 300 < Ps ≤ 450 kPa

-1M 1000 450 < Ps ≤ 700 kPa

-1S 0.2

MPa none

Ps ≤ 0.15 MPa

-1T 0.4 0.15 < Ps ≤ 0.3 MPa

-1U 0.6 0.3 < Ps ≤ 0.45 MPa

-1V 1 0.45 < Ps ≤ 0.7 MPa

-2A 2

kgf/cm2kPa

Ps ≤ 1.5 kgf/cm2

-2B 4 1.5 < Ps ≤ 3.0 kgf/cm2

-2N 6 3.0 < Ps ≤ 4.5 kgf/cm2

-2C 10 4.5 < Ps ≤ 7.0 kgf/cm2

-3A 2

kgf/cm2MPa

Ps ≤ 1.5 kgf/cm2

-3B 4 1.5 < Ps ≤ 3.0 kgf/cm2

-3N 6 3.0 < Ps ≤ 4.5 kgf/cm2

-3C 10 4.5 < Ps ≤ 7.0 kgf/cm2

-4K 200

kPa kgf/cm2

Ps ≤ 150 kPa

-4L 400 150 < Ps ≤ 300 kPa

-4R 600 300 < Ps ≤ 450 kPa

-4M 1000 450 < Ps ≤ 700 kPa

-5S 0.2

MPa kgf/cm2

Ps ≤ 0.15 MPa

-5T 0.4 0.15 < Ps ≤ 0.3 MPa

-5U 0.6 0.3 < Ps ≤ 0.45 MPa

-5V 10.45 < Ps ≤ 0.7 MPa

Azbil Corporation

KZ03 - Pressure Regulator with Air Filter (Airset) 5

7 : Dimensions and Installation

Install this device vertically (with the drain plug facing down).

Air pressure output

PT1/4 or NPT1/4 internal screw

Air pressure input

PT1/4 or NPT1/4 internal screw

M4 internal screw

40 pressure meter

Drain plug

Air pressure input

Air pressure

output

A-A current figure

9.9

3.1

1.2

3.3

183 max.

0.3

3.6

0.6

1.7

1.1

0.2

0.8

0.4

1.7

2.6

M8 screw *2

M4 screw *3

Mounting bracket

*1: Mounting bracket (parts no. 80330401-001) is not a standard accessory.

Please specify for its inclusion if needed.

*2: You must supply the screws(M8) to your panel.

*3: KZ03-2, KZ03-3 models come with the screws (M4) to the ltered pressure

regulator.

Azbil Corporation

6 KZ03 - Pressure Regulator with Air Filter (Airset)

8 : Applications

1. Supplying air to eld instruments and valve etc. (process control)

Differential

pressure

transmitter

Pressure

regulator

with air filter Pressure

regulator

with air filte

Control

valve

2. Operate air pressure cylinder compressor, motor, etc.

Regulator

Compressor

3. Supplying gas to gas analyzer

Gas supply unit

Regulator

Standard gas

Air to be measured

(29 to 102 psi)

Reference air (REF.)

Eject air (EJEC.)

Check gas (CHK.)

Blow back air (B.B.)

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