
PBV Series Back Pressure Valve
Description
The Hayward PBV Series Back Pressure Valves enhance the performance of Chemical Feed systems by applying consistent back pressure on metering pumps to produce predictable delivery. The PBV Series also provides an Anti-Siphon function. The PBV Series is available in sizes from 1/4 to 4", with PVC, CPVC, PP and PVDF wetted bodies. The set pressure is factory set at 50 psi but is easily field adjustable between 10 to 150 psi (other pressure ranges are available by request). Backed by Hayward's 3-year warranty, the PBV Series back pressure valves will provide reliable service for your Chemfeed applications.

Key Features & Benefits
Available in PVC, CPVC, PP or PVDF Body with Noryl™ Molded Dome
PTFE/EPDM Diaphragm
Spring: 10 - 150 psi (Spring pre-set: 50 psi)
304 Stainless Steel Bolting
FNPT Threads
Anti-Siphon Function
Adjustment Screw with Slot
PVC, CPVC and PVDF rated to 250 psi @ 70°F / 17.2 Bar at 21°C, PP rated to 150 psi @ 70°F / 10 Bar at 21°C
Product Range
Sizes:
¼” (DN8) | 3/8” (DN10) | ½” (DN15) | ¾” (DN20) | 1” (DN25) | 1 ½” (DN40) | 2” (DN50) | 3” (DN80) | 4” (DN100)
Materials: PVC | CPVC | PP | PVDF
Seals: EPDM | FPM
Connections: FNPT | Flanged
Product Options
2-port / 90º
ANSI or DIN / EN Threaded, Socket, True Union Socket or Flanged End Connections
0 - 50 psi and 10 - 250 psi Springs
PTFE/FPM Diaphragm