Praher Knife Gate Valves with Air Actuators
Praher Knife Gate Valves with Air Actuators

Praher Knife Gate Valves with Air Actuators

These actuated valves for industrial, agricultural and commercial markets are ideal for quick shut-off in low pressure or vacuum lines. With full, unrestricted flow, these valves are quick opening/closing and have simple and trouble-free operation.

  • PVC construction
  • TPE lip-type seals & EPDM O-rings
  • Stainless steel (304/A4) shaft & hardware
  • Custom made aluminum/stainless steel double acting air cylinder with 1/8" FPT ports
  • Safety clip prevents unintentional closing
  • Magnetic piston standard on all cylinders
  • 3" & 4" have full serviceable double O-ring shaft seals
  • Vacuum: 20" Hg when closed & 7" Hg when open
  • 60 psi minimum air pressure required to operate cylinder
  • Maximum pressure: 50 psi @ 70°F, 3.5 bar @ 20°C
Stock Description Catalog Pg. Price
2" Socket PVC Knife Gate Valve with Air Actuator
21336
2" Socket PVC Knife Gate Valve with Air Actuator
$213.55​/Each
Save 5%2+$202.87/Each
Save 10%4+$192.19/Each
Save 15%12+$181.51/Each
P-402
$213.55​/Each
In Stock
3"  Socket PVC Knife Gate Valve with Air Actuator
21337
3" Socket PVC Knife Gate Valve with Air Actuator
$502.90​/Each
Save 5%2+$477.75/Each
Save 10%4+$452.61/Each
Save 15%12+$427.46/Each
P-402
$502.90​/Each
In Stock
4"  Socket PVC Knife Gate Valve with Air Actuator
21338
4" Socket PVC Knife Gate Valve with Air Actuator
$502.90​/Each
Save 5%2+$477.75/Each
Save 10%4+$452.61/Each
Save 15%12+$427.46/Each
P-402
$502.90​/Each
In Stock