Surpass SD Series Instruction Manual

Air Operated Valve
Model: SD-
INSTRUCTION MANUAL
<Description>
●Applications
Semiconductor, medical, and chemical industry related devices.
●Features
・ Two-way on-off valve for chemicals and purified water.
・ Wetted parts of fluorine resin offer superior corrosion resistance.
・ Remote operation with air pressure.
<Precautions>
WARNING
● Read this manual thoroughly before use.
● Before use, confirm compatibility between the type of fluid to be used and the
wetted parts.
● Keep this manual available for immediate reference.
● Use only for the specified purpose(s), and follow all directions in this manual.
● Observe all warnings and cautions described in this manual.
<About this Manual>
● The information described in this manual is subject to change without prior notice, due to
improvements in the performance and/or functionality of the product.
● No parts of this manual may be reproduced or used in any form or by any means without
express permission from Surpass Industry.
● If this manual is lost or becomes illegible, contact Surpass Industry for a replacement.
● While every effort has been made to ensure that all information included in this manual were
complete and accurate at the time of printing, please contact Surpass Industry if you have any
question or notice any error or omission.
● Important Safety Instructions
<Safety Symbols>
The following symbols are used in this
manual.
Provides important notices
and instructions for correct
operation of the product.
Indicates a potentially
hazardous situation that, if
WARNING
not avoided, could result in
death or serious injury.
Indicates a potentially
hazardous situation that, if
CAUTION
not avoided, could result in
injury or property damage.

1. Specifications

Model SD-2
Supported fluids
Working pressure
0 to 500kPa
Back pressure 0 to 300kPa
Withstanding pressure
Valve seat leakage
Orifice diameter ø4
Fluid temperature
Ambient temperature
Material of wetted parts
1/4"
Connection tube size
(ø6.35×ø3.95)
Operating port
Operating pressure
◆ NC valves
・No pressure on operating port: Closed
・Pressure applied to operating port: Open
◆ NO valves
・No pressure on operating port: Open
・Pressure applied to operating port: Closed
2．Description of Parts
1UZX417722E-01
SD-3 SD-4
Chemicals, purified water, N
2
0 to 300kPa
0 to 200kPa
1MPa
0mL/min (water pressure)
ø7 ø10
5 to 90°C
0 to 60°C
PTFE
3/8" 1/2"
(ø9.53×ø6.35) (ø12.7×ø9.53) (ø19.05×ø15.9)
Rc1/8
300 to 500kPa
SD-6
ø16
3/4"