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Durable Automatic Seismic Earthquake Gas Shut Off Valve Psp (formerly Koso) - Vb318 2-1/2" Vertical Bottom Inlet Value Pack [fJIuZvYB]

$72.99 $233.99 -69%

Automatic Seismic Earthquake Gas Shut Off ValveIntroducing the Automatic Seismic Earthquake Gas Shut Off Valve, a critical safety device designed for gas line protection during seismic activities. This valve is specifically engineered to prevent gas

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Durable Automatic Seismic Earthquake Gas Shut Off Valve Psp (formerly Koso) - Vb318 2-1/2" Vertical Bottom Inlet Value Pack [fJIuZvYB]

Automatic Seismic Earthquake Gas Shut Off Valve

Introducing the Automatic Seismic Earthquake Gas Shut Off Valve, a critical safety device designed for gas line protection during seismic activities. This valve is specifically engineered to prevent gas flow into a structure during earthquakes, thereby reducing the risk of fire or explosion due to gas leakage. The VB318 model features a 2-1/2" size and a vertical bottom inlet, making it suitable for various installations. Key benefits include:

  • Seismic sensitivity to ensure immediate closure during earthquakes
  • No need for internal or external electrical power

Product Specifications and Features

Featuring a vertical bottom inlet and a flanged design, the VB318 valve is easy to install and integrate into existing gas systems. The valve's unique design includes a swing check valve arrangement and an acceleration-sensitive triggering mechanism. This mechanism activates the valve and initiates closure when seismic activity is detected, ensuring gas shut-off. Key specifications are:

  • Size: 2-1/2"
  • Pressure Rating: 60 Psi
  • Vertical Bottom Inlet

Practical Uses and Safety Benefits

Our Automatic Seismic Earthquake Gas Shut Off Valve is ideal for mounting in gas lines upstream or downstream of pressure regulators and gas meters, providing an additional layer of safety outside the structure. It is designed to remain closed until manually reset, ensuring that the valve is only activated during critical seismic events. The valve's clear sight glass allows for easy monitoring of its status, providing peace of mind and convenience. Key uses include:

  • Protection of gas lines and appliances during earthquakes
  • Prevention of fire and explosion risks

What Our Customers Say

February 5, 2026

Absolutely no complaints!

It's a very solid and reliable device. It's an absolute pleasure to use.

- Ivy M..

February 5, 2026

Absolutely no complaints!

This product is a great tool for getting the job done right.

- Ahmad F..

February 5, 2026

Absolutely no complaints!

The performance is excellent and the product is very well-made.

- Megan P..

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