Model 100-IV - Solenoid-Operated Isolation Valves

Product Brand: Target Rock

Take advantage of low cost and ease of installation.

Target Rock has over 3,000 solenoid valves installed worldwide in nuclear safety-related applications. Plant designers have increasingly taken advantage of the low cost and ease of installation of solenoid valves as compared to traditional isolation valve technologies.

The low weight and center-of-gravity mean the valves are line supported without designing and constructing additional seismic support. In addition, the low voltage and power demands mean solenoid valves required minimal support systems to operate - no pneumatic system, no 3-phase power cable, no motor control center.

General Specifications:
Size From 3/8 in (DN10) to 6 in (DN150)
Applications Water, steam, gas
Ratings Pressures to 2500 psi (17 MPa)
Operating Mode Fail-open, Fail-closed
Voltage 48 VDC to 220 VAC
Quality Class

IEEE 323, IEEE 344, ASME III, ASME QME-1

 

Isolation Valves: Functionality

Isolation valves, also known as isolating valves, are used in fluid handling systems that stop the flow of media to a specific location, usually for maintenance or safety purposes. They can also provide flow logic when selecting one flow path versus another, and its automation is an advantage. 

What are the types of Isolation Valves?

Many types of stop or isolation valves are used depending on individual applications. The most common types include:

  • Gate valves
  • Globe valves
  • Ball valves
  • Butterfly valves
  • Play and diaphragm valves

Isolation Valves Applications

  • Firewater control
  • Pipeline safety systems
  • Residential plumbing systems (both water and gas)
  • Nuclear reactors
  • Oil and gas wells
  • Chemical plant
  • Oil production plant

FAQS

What is the purpose of an isolation valve?

Isolation valves are primarily used to control flow without contaminating media. Used in various applications, they isolate a valve’s actuation mechanism from the media being moved. They can feature a 2-way inlet and outlet or have multi-ports when used in applications where on-off operation is required without modulating flow. 

Are isolation valves safe?

Isolation valves are used as an emergency safety device. It is not intended for operational activities but as a production control or backflow valve that shutdowns and prevents serious damage in the event of an emergency scenario. 

What is the difference between an isolation valve & a gate valve?

An isolation valve is typically fitted into a fluid handling system that stops media flow to a specific location. At the same time, a gate valve is used in applications that require the stop of media flow in a fluid handling system. Gate valves are bi-directional shutoff valves for commercial and industrial applications.

Product Benefits

No need to build additional seismic support

The low weight and center-of-gravity means the valves are line supported without need to design and construct additional seismic support. The low voltage and power demands mean solenoid valves required minimal support systems to operate - no pneumatic system, no 3-phase power cable, no motor control center. Just two small gauge wires and a set of electrical contacts is all that is required.

In addition to reduced cost of plant construction, these advantages also simplify plant modifications where space and available power may be a premium.

Features and benefits
Feature Benefit
Static Pressure Boundary No valve stem or packing
Compact Smaller and lighter than motor or air-operated valves
Low power requirements No three-phase power cable or motor control centers required
Elegant Design Low cost of ownership

Recommended applications

  • Containment Isolation
  • Sampling
  • Reactor head vent
  • Power-operated relief valve

Model 100-IV - Solenoid-Operated Isolation Valves
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