70900-65 Balanced Poppet

70900-65 Balanced Poppet

70900-65 Balanced Poppet

Product catalog summary
Description and Application
The V70900-65 is a compact, low-weight, 3-way, direct-acting solenoid valve designed by Valcor Nuclear for use in nuclear power plants. It is primarily used for pressurizing and venting pneumatic diaphragm actuators or air cylinders in harsh environments, including chemical exposure. It can also be applied to compressors and turbines.

Features
  • Compact size and rugged construction, suitable for replacing outdated valves.
  • Direct acting with a balanced poppet design, eliminating diaphragms.
  • Universal operation modes: normally open, normally closed, selector, or diverter.
  • Internal flow path sealing with O-ring poppets on metal seats.
  • Available in brass, aluminum, and stainless steel.
  • Optional mounting brackets.
  • Stainless steel solenoid enclosure with seal welded construction, compliant with NEMA-4 and -7 standards for water-tight and explosion-proof requirements.
  • CSA Electrical Safety Approval and Class H Insulation.
  • Low power requirement of less than 10 watts, featuring a cool running/potted coil design.

Specifications
  • Operating Pressure: 0.2 to 1.2 PSIG.
  • Operating Modes: Normally Open (NO) and Normally Closed (NC).
  • Ambient Temperature: Up to 150°F.
  • Voltage Options: 48 VDC, 120 VAC, 125 VDC.
  • Electrical Connector: 36” leads.

Operating Pressure and Flow Ratings
The valve operates effectively at pressures ranging from 0 to 200 PSIG with a Cv of 48, suitable for moderate flow applications.
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Catalog excerpts

70900-65 Balanced Poppet-1

3-way, Direct Acting, Compact Size Solenoid Valcor Nuclear - Moderate Flow Valve Valcor Nuclear has created this compact size and low weight 3-way, direct acting, balanced poppet, nuclear-qualified solenoid valve, to be used as pilot operators on control valves in nuclear power plants. It has been designed specifically to prevent the chronic operational problems associated with conventional solenoid valves currently installed in many PWR, BWR and CANDU plants. V7090065 is ideal for use in host of safetyrelated, moderate flow solenoid valve applications. Its cool running, single coil design is both highly reliable and adaptable. Its versatility offers significant improvements for a variety of applications and configurations, including 2-way (one port plugged), normally closed, normally open and universal modes, with AC or DC voltages. Its principal function is pressurizing and venting pneumatic diaphragm actuator or air cylinders under extremely harsh environmental conditions, including chemical spray. These valves may also be used on compressors and turbines. • Compact size, low weight and rugged construction are special characteristics; can replace outdated valves in most cases. • Direct acting, balanced poppet, with no diaphragms • Universal operation– normally open, normally closed, selector or diverter modes feasible with same design. • Internal flow path sealing by O-ring poppets on metal seats • Brass is standard; also available in aluminum and stainless steel • Mounting brackets available as an option • Solenoid enclosure is all stainless steel, seal welded construction for NEMA-4, -7 compliance (Water tight and explosion proof), CSA Electrical Safety Approval • Class H Insulation • Coil requires less than 10 watts of power; cool running/potted coil design. © 2016 VALCOR ENGINEERING CORPORATION

 Open the catalog to page 1
70900-65 Balanced Poppet-2

Specifications Operating Pressure and Flow Ratings Operating Modes Normally Open/Closed NO and NC Ambient Temp. Min. Volts DC Cv Electrical Data Voltage 48 VDC, 120 VAC, 125 VDC Electrical Connector 36” leads © 2016 Valcor Engineering Corporation 2 Lawrence Road Springfield, NJ 07081 Ph: 973-467-8400 Fx: 973-467-9592 www.valcor.com

 Open the catalog to page 2

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