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更新时间：2022-11-18 浏览数：19
所属行业：化工> 阀门> 电磁阀
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festo德国品牌手杆阀技术参数，sncl-63
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vacuum is generated by connecting vacuum generator to port 3 exhaust (or pressurisation) takes place via port 1
in mid-position exhausted the piston can be moved manually;
only the frictional forces have to be overcome.in mid-position pressurised,
the same pressure is present at ports 2 and 4.
the piston is not moved (in the case of flat surfaces).
mounting position any direction of flow non-reversible non-overlapping yes exhaust air function
with flow control nominal flow rate port at side [l/min.] 600 1150 3200 port underneath [l/min.] 800 1500 3800
nominal width [mm] 6 8 12 pneumatic connection 1, 2, 3, 4 g1/8 g1/4 g1/2 actuating torque at 6 bar [nm] 0.9 2 5
operating and environmental conditions connection size g1/8 g1/4 g1/2
operating medium compressed air to iso 8573-1:2010 [7:4:4] note on operating/pilot medium lubricated operation possible
(can be removed) l (die-cast aluminium) actuator lock none switching position indication via accessories
vacuum operation (e.g. suction cup) takes place at port 2 (or 4)
valves vher-b43 are suitable for dual-pressure operation.
please note that for design reasons compressed air may only be applied to port 1 and 3.
-h- note in the case of dual-pressure operation, the higher pressure must always be applied to port 1.
supply port: port 1 (high pressure) supply port: port 3 (lower pressure)
connection size, pneumatic connection
m5 m5 g18 g1/8 g14 g1/4 g12 g1/2
b43c 4/3-way valve, detenting, mid-position closed b43e 4/3-way valve, detenting,
mid-position open b43u 4/3-way valve, detenting, mid-position pressurised
connection direction, pneumatic connection
by sealing port 2 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.
in mid-position closed, the drive piston moves until the forces are balanced.
the vacuum may only be connected to port 3 to maintain the direction of flow.
vacuum operation at port 3: –0.95 … 0 bar
-h- note a filter must be installed upstream of valves operated in vacuum mode. this prevents any foreign matter in
general technical data connection size g1/8 g1/4 g1/2
valve function 4/3-way, detenting, mid-position closed,
exhausted or pressurised design rotary slide valve sealing principle hard type of mounting option of front panel mounting
or through-holes type of pilot control direct type of actuation manual actuating lever
(in which case lubricated operation will always be required) operating pressure [bar] 0 … 10 (vacuum only permitted at port
3) ambient temperature [°c] –20 … +80 temperature of medium [°c] –20 … +80 corrosion resistance class crc1) 2
operation with different pressures vacuum operation
the direction of flow of the vher-b43 valves is clearly defined and cannot be reversed.
type vher hand lever valve with detent
design – hand lever, l version p hand lever, polymer version
flexible practical -m- flow 170 … 3800 l/min
4/3-way valve mid-position closed mid-position exhausted mid-position pressurised
the intake air getting into the valve (e.g. when operating a suction cup).
-h- note during vacuum operation, the valve function changes from exhausted (vher-…-b43e-…) to pressurised (vher-…-b43u-…) and vice versa.
connections: m5, gx, g?, g? 3/3-way valve hand lever valves vher can be used as 3/3-way valves
festo德国品牌手杆阀技术参数，sncl-63
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