PIPEONTEC

Sandwich Valves

sandwhich valves
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Sandwich Valves2
Sandwich Valves1

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Product Details

Class 150 Sandwich Valves

Efficient Solutions for Low-Pressure Applications

Our Class 150 Sandwich Valves are designed for temporary installations requiring low-pressure tolerance. They offer full-bore openings, minimizing flow restrictions during operations and ensuring seamless performance with tapping and linestop equipment.

Key Features:

  • Size Range: Available from 2” upward (custom sizes available on request)
  • Pressure Rating: Max working pressure of 19 bar (275 PSI)
  • Design Advantage: Slim, compact construction minimizes the length required for the boring bar, enabling faster and easier taps
  • Hydrostatic Tested: Each valve undergoes stringent hydrostatic pressure testing; additional test protocols available as per client requirements
  • Applications: Ideal for temporary flow control during pipeline alterations or repairs at lower pressures

Product Specification

Class 300 & 600 Sandwich Valves

High-Pressure Compact Valves with Bidirectional Functionality

Designed to withstand higher pressures, our Class 300 and 600 Sandwich Valves are engineered for demanding hot tap and linestop operations. These valves provide a reliable seal and structural stability, with bidirectional flow capability and space-saving features.

Key Features:

  • Size Range: From 2” to 36” standard (larger sizes available upon request)

  • Pressure Handling: Tested at 1.5 times the maximum working pressure for durability and performance assurance

  • Slim Profile: Compact face-to-face dimension reduces tapping machine travel distance, cutting installation time

  • Bidirectional Flow: Can be mounted in any orientation parallel or perpendicular making it highly adaptable to site constraints

  • Hydraulic Operation for Large Sizes: For valves 24” and above, opening and closing is facilitated through hydraulic systems for greater precision and control

  • Integrated Equalization System: Built-in pressure equalization ensures safe and effective operation under varying pipeline conditions

  • Certified Testing: Each valve undergoes hydrostatic pressure testing with optional additional tests based on project needs

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