Valstop Heavy Duty Check Valves - NBR Seals

Suitable for air, water ad oils. (with carbon fuels use viton seals).
Can be installed in any position - Vertical, Horizontal or Oblique.

Working Temp. = -20c to 80c

Cracking Pressure (Min work pressure) = 2.5KPA - 0.3 psi

NOTE = See image2 for Working Pressure to BSP sizes.