Azbil KZ03 Series Manuale utente
Pressure Regulator
with Air Filter (Airset)
Model: KZ03
User’s Manual
CM2-KZV100-2001
Copyright, Notices and Trademarks
© 2003-2019 Azbil Corporation. All Rights Reserved.
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 specications 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 Specications.................................................................................. 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 Specications
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
y
pressur
e
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
specication
Optional
selection Selection condition, specication 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
1.2
3.3
183 max.
0.3
2
3.6
0.6
1.7
1.1
0.2
0.8
0.4
1.7
1.7
2.6
M8 screw *2
M4 screw *3
Mounting bracket
Mounting bracket
*1
*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
r
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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