Surpass SD Series User manual
1UZX417722E-01
<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>
1. Specifications
Air Operated Valve
Model: SD-
INSTRUCTION MANUAL
Model SD-2 SD-3 SD-4 SD-6
Supported fluids Chemicals, purified water, N2
Working pressure 0 to 500kPa 0 to 300kPa
Back pressure 0 to 300kPa 0 to 200kPa
Withstanding pressure 1MPa
Valve seat leakage 0mL/min (water pressure)
Orifice diameter ø4 ø7 ø10 ø16
Fluid temperature 5 to 90°C
Ambient temperature 0 to 60°C
Material of wetted parts PTFE
Connection tube size 1/4"
(ø6.35×ø3.95)
3/8"
(ø9.53×ø6.35)
1/2"
(ø12.7×ø9.53)
3/4"
(ø19.05×ø15.9)
Operating port Rc1/8
Operating pressure 300 to 500kPa
◆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
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.
Indicates a potentially
hazardous situation that, if
not avoided, could result in
death or serious in
j
ur
y
.
WARNING
Indicates a potentially
hazardous situation that, if
not avoided, could result in
injury or property damage.
Provides important notices
and instructions for correct
o
p
eration of the
p
roduct.
CAUTION
1UZX417722E-01
3. Tubing
◆Main unit
Assemble the included tube nut and tube sleeve onto a tubing, and connect the
tubing to the main unit. Refer to the manufacturer's catalog or instruction manual for
details on assembling the tubing and tightening the nut.
◆Operating port
Attach the air tubing connector to the operating port, and connect the operating air
tubing.
4. Cautions for Use
5. Flow rate adjustment knob
The knob on top of the actuator can be used to adjust the flow rate.
①Pull up the stopper all the way.
Lift stopper
WARNING ②Rotate the knob to adjust the flow rate.
(Turn clockwise to reduce the flow, and counterclockwise to increase the flow)
●Periodically inspect the connection for any leakage, and tighten or take other
measures as necessary. <Reducing the flow rate>
③When done, push down and lock the stopper.
6. Warranty
The warranty runs for one year after the day when Surpass Industry products are delivered from Surpass factory
in Japan. In case Surpass Industry should agree in writing that the defects in performance or material were caused
by faulty design or workmanship of Surpass Industry, replacement products will be supplied free of charge. This
warranty shall not be applied to any defects caused by misuse, alteration, neglectful treatment, and neglect of our
recommendations or instructions.
In addition, we are not be liable to any direct or consequential loss, damage, and personal injury due to an
unauthorized usage in combination with other products and an improper usage outside of the specifications. Our
product warranty shall be limited to replacement of product.
Replacement with expense to the purchaser shall be applied to the followings:
●Any defective products caused by usage that is not described in the Instruction Manual.
●Any defective products caused by neglectful treatment.
●Any defective products caused by decomposition, alteration, and improper adjustment or repair.
●Any defects of products caused by acts of God including natural disaster or fires.
●Consumables and accessories.
●Check the flow direction indicator (→) and install the valve with the correct
orientation.
●Do not subject the tubing to bending stress or pulling stress.
●Foreign materials in the fluid may prevent the valve from operating properly and
cause problems such as leakage.
●This product is a precision equipment. Do not disassemble or modify. The product
may malfunction and cause injury or property damage.
WARNING
●The operating port differs depending on the valve type (NC or NO). Connect the
air to the correct port.
●Set the unpressurized port to discharge to atmosphere.
●The unpressurized port is sealed with a plug, and is designated as the exhaust
port. If you do not wish to exhaust directly from the valve, remove the plug and
connect tubing to the port.
●Send the operating air via a filter rated at 5µm or finer.
●Do not subject the tubing to bending stress or pulling stress.
●Select the solenoid valve for the operating air to suit your specifications and
purpose.
●This product is a precision equipment. Do not disassemble or modify. The product
may malfunction and cause injury or property damage.
CAUTION
●Before use, apply pressure to the interior of the tubing and ensure that there is no
leakage from the connections.
●Take measures to prevent excessive pressure and water hammer.
●Rapid change in fluid temperature may cause degradation of valve performance.
●Do not place heavy items on the product.
Lower stopper
SURPASS
<Increasing the flow rate>
SURPASS
<Call to:>
Surpass Industry Co., Ltd.
2203 Shimooshi, Gyoda-shi, Saitama 361-0037 Japan
Tel: 81-48-554-9760Fax: 81-48-554-9906
URL: http://www.surpassindustry.co.jp
C 2012 Surpass Industry Co.,Ltd. All rights reserved.
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