White Knight Quick Exhaust Valves

Increase Efficiency, Reduce Risk and Minimize Noise

Overview

Quick exhaust valves (QEV) increase pump efficiency by reducing the energy required to exhaust air from the pump. They reduce the risk of caustic chemicals escaping into sensitive environments by redirecting air into the pump containment area. QEVs are pump-mounted. They are made of UHMW-PE, and are available in four sizes. See specifications for pump compatibility.

White Knight Quick Exhaust Valves (QEVs)

Features & Benefits

  • Non-metallic, corrosion resistant UHMW-PE extend QEV life and have no potential of ion contamination
  • Auto-venting improves performance by reducing the energy required to exhaust air from the pump
  • Reduce risk of caustic chemicals exhausting into sensitive areas by redirecting air into containment area
  • Easy to install and service
  • Minimal parts for durable design
  • Integral muffler reduces size, noise and operator fatigue
  • No maintenance required during two-year warranty
  • Pump-mounted
QEV Specification Sheet

Operation

Quick Exhaust Valve Air-Side Operations Supply Air

Supply Air

Ambient Air

Quick Exhaust Valve Air-Side Operations Exhausting

Exhaust Air

Ambient Air

Dimensions

Specifications

Model
Materials
Connection
Weight
Cv
Compatibility
QEV04
UHMW-PE
1/4 in. NPT
1/4 in. FNPT
0.05 kg
0.1 lbs.
1.0
PX30, PX60, PLF30, PLF60
QEV05
UHMW-PE
5/16 in. NPT*
1/4 in. FNPT
0.05 kg
0.1 lbs.
1.0
PFA030, PFA060, PXA030, PXA060,
PFH030, PFH060, PXH030, PXH060,
PFU030, PFU060, PXU030, PXU060
QEV06
UHMW-PE
3/8 in. NPT
3/8 in. FNPT
0.9 kg
0.2 lbs.
1.5
PX120, PLF120
QEV07
UHMW-PE
7/16 in. NPT*
3/8 in. FNPT
0.9 kg
0.2 lbs.
1.5
PFA140, PXA140,
PFH140, PXH140,
PFU140, PXU140

*Non-Standard NPT