Festo IIFB-02- Series, Manual

Page: 33 / 123

Technical specifications of valves
Designation Size Switching symbol Construction Pilot air Manual override Lubrication Fastening
with 2 slotted
head screws
Type Form Basic
setting (as
at factory) Option
(conversion
necessary)
MVH-5-1/4 B-VI 1/4"
Poppet valve
unilaterally-
operated
5/2 way Single spindle with
cyl. compression
spring for basic
position.
without
With
automatic
return With lock or
safety lock
Service life
lubrication
(free of
PWIS)
M4x55
MVH-5-1/8 B-VI 1/8" M4x50
MVH-5-1/4-S B-VI 1/4"
with
M4x55
MVH-5-1/8-S B-VI 1/8" M4x50
MVH-5-1/4-L B-VI 1/4"
Spool valve
bilaterally-
operated
5/2 way
Soft piston in sleeve
with pressure relief
slots. Outlet slots
are overrun.
without
M4x55
MVH-5-1/8-L B-VI 1/8" M4x50
MVH-5-1/4-L-S B-VI 1/4"
with
M4x55
MVH-5-1/8-L-S B-VI 1/8" M4x50
IMVH-5-1/4 B-VI 1/4"
Spool valve
bilaterally-
operated
5/2 way without
Service life
lubrication
(can contain
PWIS)
M4x65
IMVH-5-1/8 B-VI 1/8" M4x60
IMVH-5-1/4-S B-VI 1/4"
with
M4x65
IMVH-5-1/8-S B-VI 1/8" M4x60
MVH-5/3G-1/4 B-VI 1/4"
Spool valve
bilaterally-
operated
5/3 way
without
M4x65
MVH-5/3G-1/8 B-VI 1/8" M4x60
MVH-5/3E-1/4 B-VI 1/4" M4x65
MVH-5/3E-1/8 B-VI 1/8" M4x60
MVH-5/3B-1/4 B-VI 1/4" M4x65
MVH-5/3B-1/8 B-VI 1/8" M4x60
VIFB8 – 02 3. Technical description
3-16 9706