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Vertical Check Valves
One Year Manufacturer Warranty

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Morrison Brothers 158A Vertical Check Valves

3/4 to 3 in., Single Poppet/Spring Loaded

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Select Model & Quantity:

Model # Description Price Qty
158A--0300 AV 3/4 in., Single Poppet $124.44
158A--0400 AV 1 in., Single Poppet $133.03
158A--0600 AV 2 in., Single Poppet $249.73
158A--0800 AV 3 in., Single Poppet $544.86
158A--1200 AV 3/4 in., Single Poppet (Teflon) $187.60
158A--1300 AV 1 in., Single Poppet (Teflon) $196.65
158A--1500 AV 2 in., Single Poppet (Teflon) $377.29
158A--1700 AV 3 in., Single Poppet (Teflon) $788.93
158A--2100 AV 3/4 in., Single Poppet (Viton) $149.51
158A--2200 AV 1 in., Single Poppet (Viton) $160.36
158A--2400 AV 2 in., Single Poppet (Viton) $323.19
158A--2600 AV 3 in., Single Poppet (Viton) $631.06
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Morrison Brothers 158A Vertical Check Valves

Single poppet one way check valve used to prevent backflow in supply lines or used as a prime holding valve in suction systems.

Standard Features
  • Soft seat
  • Thermal expansion available (25 or 50 PSI approximate)
  •  1/2 to 2 PSI spring setting
Construction Details
  • Body: Brass
  • Cap: Brass
  • Plunger: Brass
  • Spring: Stainless steel
  • Discs: Buna-N (Viton® and Teflon® available)
  • Expansion valve: Brass with Viton®
Figure Suffix Size Description Weight (lbs)
158A 0300 AV .75" Vertical Check Valve-Single Poppet 1.25
158A 0400 AV 1" Vertical Check Valve-Single Poppet 1.75
158A 0600 AV 2" Vertical Check Valve-Single Poppet 5.75
158A 0800 AV 3" Vertical Check Valve-Single Poppet 15
158A 1200 AV .75" Vertical Check Valve-Single Poppet (Teflon) 1.25
158A 1300 AV 1" Vertical Check Valve-Single Poppet (Teflon) 1.75
158A 1500 AV 2" Vertical Check Valve-Single Poppet (Teflon) 5.75
158A 1700 AV 3" Vertical Check Valve-Single Poppet (Teflon) 15
158A 2100 AV .75" Vertical Check Valve-Single Poppet (Viton) 1.25
158A 2200 AV 1" Vertical Check Valve-Single Poppet (Viton) 1.75
158A 2400 AV 2" Vertical Check Valve-Single Poppet (Viton) 5.75
158A 2600 AV 3" Vertical Check Valve-Single Poppet (Viton) 15