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Red Valve GS-700 Installation, Operation And Maintenance Manual

Diaphragm actuator
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GS-700 Diaphragm Actuator
Installation, Operation, and Maintenance Manual
IMPORTANT
Please take a moment to review this manual. Before performing any maintenance on the
valve be sure that the pipeline has been depressurized. The improper installation or use of this
product may result in personal injury, product failure, or reduced product life. Red Valve Co., Inc.
can accept NO liability resulting from the improper use or installation of this product. If you have
any questions or problems, please call the customer service hotline at (412) 279-0044. We
appreciate your comments. And thank you for choosing Red Valve.
Series 700 actuators are pneumatic
diaphragm operators that have spring return
in both direct and reverse acting styles,
offering fail open and fail closed modes
respectively. The pressed steel diaphragm
case construction along with the nylon
reinforced Buna-N rubber diaphragm permits
a maximum allowable air supply pressure of
80 psig (550 kPag).
This pre-formed diaphragm provides a
constant effective area throughout the full
extent of travel.
With effective diaphragm areas ranging from
60–160 in
(385–1030cm
2
tors can provide the necessary stem force to
meet virtually any operating requirement.
), Series 700 actua-
2

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Summary of Contents for Red Valve GS-700

  • Page 1 The improper installation or use of this product may result in personal injury, product failure, or reduced product life. Red Valve Co., Inc. can accept NO liability resulting from the improper use or installation of this product. If you have any questions or problems, please call the customer service hotline at (412) 279-0044.

  • Page 3: Maintenance

    RED VALVE INSTRUCTION MANUAL MODEL GS700 REVERSE-ACTING ACTUATOR 3.0 MAINTENANCE 3.1 GENERAL Actuator parts are subject to normal wear and must be inspected and replaced when necessary. The frequency of inspection and part replacement depends on the severity of the service conditions. Normally, only the rubber parts such as the diaphragm, stem seal, gasket, and rings will require replacement.
  • Page 4 RED VALVE INSTRUCTION MANUAL MODEL GS700 REVERSE-ACTING ACTUATOR 3.3.2 Assembly A. If the diaphragm is being replaced, apply gasket compound (CV P/N 197077 or equivalent) to the surface of the diaphragm (item 14) where the diaphragm stop (item 12) seats. Assemble the diaphragm, diaphragm plate (Item 13) and diaphragm stop to the actuator stem (Item 16) using the flat head screw (Item 11).
  • Page 8 RED VALVE INSTRUCTION MANUAL MODEL GS700 DIRECT-ACTING ACTUATOR 3.0 MAINTENANCE 3.1 GENERAL Actuator parts are subject to normal wear and must be inspected and replaced when necessary. The frequency of inspection and part replacement depends on the severity of the service conditions. Normally, only the diaphragm will require replacement.
  • Page 9 RED VALVE INSTRUCTION MANUAL MODEL GS700 DIRECT-ACTING ACTUATOR 3.3.2 Assembly A. If the diaphragm is being replaced, apply gasket compound (CV P/N 197077 or equivalent) to the surface of the diaphragm (Item 14) where the diaphragm stop (Item 12) seats. Assemble the diaphragm, diaphragm plate (Rem 13), and diaphragm stop to the actuator stem (Item 16) using the flat head screw (Item 11).