Phasing Cylinders

Our unique phasing mechanism has no moving parts or groove for the piston seal to travel over, therefore giving longer seal life and minimal creep.

0.50” Sizes

Standard Stroke Lengths – 8”, 12”, 18”, 24”, 36”

Part Number (xxx = Stroke) Bore Rod Diameter Closed Centres Port Pin Stroke/Weight
8” 12” 18” 24” 36”
VPH 300xxx 3.0” 1.5” 12.25”
+ Stroke
3/4 UNO 1.0” 14 16 20 23 30
VPH 350xxx 3.5” 1.75” 18.5 19 32 35 43
VPH 400xxx 4.0” 50mm 22 25 34 38 46
VPH 450xxx 4.5” 2.0” 25 27 37 43 54
VPH 500xxx 5.0” 55mm 27 29 40 46 59
VPH 550xxx 5.5” 2.25” 30 34 43 49 63

0.25” Sizes

Standard Stroke Lengths – 8”, 12”, 16”, 18”, 24”, 36”

Part Number (xxx = Stroke) Bore Rod Diameter Closed Centres Port Pin Stroke/Weight
8” 12” 16” 18” 24” 36”
VP 300xxx 3.0” 1.25” 12.25”
+ Stroke
3/4 UNO 1.0” 13 16 18 19 22 29
VP 325xxx 3.25” 1.25” 16 19 21 22 25 31
VP 350xxx 3.5” 1.25” 18 23 24 25 28 38
VP 375xxx 3.75” 1.375” 20 24 29 30 33 40
VP 400xxx 4.0” 1.375” 22 25 30 31.5 34.5 42
VP 425xxx 4.25” 1.375” 24 26 31.5 32.5 35.5 44
VP 450xxx 4.5” 1.5” 26 30 33 34 37 47
VP 475xxx 4.75” 1.5” 28 32 34.5 36 39 51
VP 500xxx 5.0” 1.5” 30 34 36 38 41 54

Consult QMN Manufacturing for Load and Pressure Details Phasing can be on retraction, extension or both.