Hand Lever Valves VHER – Inch Series
Overview
Hand lever valves VHER are used to manually control the motion of
cylinders within the stroke range.
4/3-way valve, mid-position closed
Flow rate: 21.2 … 151.8 scfm
Operating pressure: –14.0 … +150 psi
Valves and Valve Manifolds
Pneumatic connection: x NPT, ½ NPT
2
Detailed product information è www.festo.com/catalog/vher
Product Range Overview
Valve function
4/3-way valve, mid-position
closed
Pneumatic connection
Position
underneath
at side
Size
Nominal diameter
[in]
Flow rate
[scfm]
x NPT
½ NPT
x NPT
½ NPT
0.24
0.47
0.24
0.47
28.2
151.8
21.2
123.6
Features
Versatile
4/3-way valve:
mid-position closed
Pneumatic connection
x NPT, ½ NPT
3/3-way valve:
VHER valves an be used as 3/3-way
valves by sealing port 2
92
Contents
Practical
With these valves it is possible to
stop single-acting cylinders
(3/3-way valve) or double-acting
cylinders (4/3-way valve) within the
stroke range.
è Internet: www.festo.com/catalog/...
In mid-position closed, the drive
piston moves until the forces are
balanced.
Technical Data
Ordering Data
Accessories
è 93
è 93
è 95
FAST Program Catalog – Subject to change – 2012/10
Hand Lever Valves VHER – Inch Series
Technical Data
ISO Symbol
Mid-position closed
Valve function
Design
Sealing principle
Type of mounting
Pilot control mode
Actuation type
Actuating lever
Switching position display
Assembly position
Direction of flow
Overlapping
Standard nominal flow rate
Ports underneath
Ports at side
Nominal diameter
Actuating torque at 10 bar
[scfm]
[scfm]
[in]
[lbf-in]
x NPT
½ NPT
4/3-way, closed or exhausted
Rotary slide valve
Sliding disk
Option of front panel mounting or through-holes
Direct
Manual
Metal
Via accessories
Any
Reversible
No
28.2
21.2
0.24
9.74
151.8
123.6
0.47
44.25
Valves and Valve Manifolds
General Technical Data
Pneumatic connection 1,2,3,4
2
Operating and Environmental Conditions
Operating medium
Note on operating/pilot medium
Filtration grade
Operating pressure
Ambient temperature
Corrosion resistance class CRC1)
[μm]
[psi]
[°F]
Compressed air in accordance with ISO 8573-1:2010 [7:4:4]
Operation with lubricated medium possible (in which case lubricated operation will always be
required)
40
–14 … +150
–4 … +176
2
*
1)
Corrosion resistance class 2 according to Festo standard 940 070
Components requiring moderate corrosion resistance. Externally visible parts with primarily decorative
surface requirements which are in direct contact with a normal industrial environment or media such as
coolants or lubricating agents.
2012/10 – Subject to change – FAST Program Catalog
è Internet: www.festo.com/catalog/...
93
Hand Lever Valves VHER – Inch Series
Technical Data, Ordering Data
Sectional View
Ports underneath
Ports at side
1
Valves and Valve Manifolds
1
2
Materials
1
–
–
–
Housing
Seals
Ordering Data
Valve function
Mid-position closed
Die-cast aluminum
Nitrile rubber
Contains PWIS (paint wetting impairment substances)
Free of copper and PTFE
Pneumatic connection
Position
Underneath
Side
LT = Lead time
94
Weight
[lb]
Part No.
Type
LT
Size
Á NPT
½ NPT
Á NPT
½ NPT
0.44
1.72
0.52
2.02
545261
545269
545260
545268
VHER-AH-M04C-N18-UD
VHER-AH-M04C-N12-UD
VHER-AH-M04C-N18-LD
VHER-AH-M04C-N12-LD
1D
1D
1D
1D
1D typically ships same day/next day
è Internet: www.festo.com/catalog/...
3D typically ships within 3 days
FAST Program Catalog – Subject to change – 2012/10
Hand Lever Valves VHER – Inch Series
Accessories
Assembled Valves with Accessories
1
Component parts and accessories
Brief description
è Page/Internet
1
2
–
Connection size x NPT with metal lever
Connection size ½ NPT with metal lever
Not included in scope of delivery
Not included in scope of delivery
For use of hand lever valves VHER as 3/3-way valves; plugs not included in scope of delivery
Not included in scope of delivery
Not included in scope of delivery
93
93
96, sme
96
b
96, qs
96
1)
Hand lever valves VHER
Hand lever valves VHER
Proximity sensors SME-10…1)
Connecting cables
Blanking plugs
Push-in fittings QB/QS
Silencers
Valves and Valve Manifolds
2
For valves with pneumatic connection at side, only proximity sensors SME-10… with lateral connection direction are permissible.
2
2012/10 – Subject to change – FAST Program Catalog
è Internet: www.festo.com/catalog/...
95
Hand Lever Valves VHER – Inch Series
Accessories
Ordering data
Switching output Electrical connection
Cable
Cable
Cable with plug, rotatable length
[m]
thread
Weight
Part No.
Type
2-wire
–
2.5
–
M8x1, 3-pin
0.3
14.6
551369
SME-10M-ZS-24V-E-2,5-L-OE
6.7
551367
SME-10M-DS-24V-E-0,3-L-M8D
[g]
N/O contact
Contacting,
bipolar
Ordering Data – Connecting Cables
Electrical connection, left
Valves and Valve Manifolds
Straight socket, M8x1, 3-pin
2
Electrical connection, right
Cable length
[ft]
Cable, open end, 3-wire
8.2
Ordering Data – Permissible Push-in Fittings QB/QS1)
x NPT
Part No.
Type
½ NPT
Part No.
Type
Pneumatic connection underneath
533271
QB-x-5/32-U
533283
QB-½-3/8-U
533284
QB-½-½-U
½ NPT
Part No.
Type
12741
U-½-B-NPT
533274
1)
QB-x-5/16-U
Technical Data è www.festo.com/catalog/nebu
Part No.
Type
541333
NEBU-M8G3-K-2.5-LE3
Scope of delivery 10 pieces
Ordering Data – Permissible Silencers
x NPT
Part No.
Type
12638
U-x-B-NPT
Lead Time LT for all products on this page: 1D typically ships same day/next day
96
è Internet: www.festo.com/catalog/...
FAST Program Catalog – Subject to change – 2012/10