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stonylab

Borosilicate Glass Check Valve with Dual 3/8 inch Hose Connections

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Regular price $24.49 USD
Regular price Sale price $24.49 USD
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For bulk order (20 or more each sku) or OOS product, please contact support@stonylab.com.
  • All-glass check valve to prevent reverse flow
  • Ground seat and glass ball
  • Hose connections are 8 mm OD
  • Borosilicate glass, heavy duty and reusable
  • Warranty: StonyLab 1-year limited warranty; if received damaged, please contact us immediately; we will solve it until satisfied

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Customer Reviews

Based on 2 reviews
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R
Robert Lambert
Works Very Well

Used in several lab applications to prevent gas or liquid backflow. Response time can be improved by orienting the valve vertically, when positive pressure stops then gravity makes the glass "bead" fall and immediately seal from reverse flow. Works for air/gases and liquids; uses a standard hose barb. A small and often overlooked but essential item that greatly increases the safety of chemical experiments. Simply a must-have!

R
Robert Lambert
Works Very Well

Used in several lab applications to prevent gas or liquid backflow. Response time can be improved by orienting the valve vertically, when positive pressure stops then gravity makes the glass "bead" fall and immediately seal from reverse flow. Works for air/gases and liquids; uses a standard hose barb. A small and often overlooked but essential item that greatly increases the safety of chemical experiments. Simply a must-have!

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