The main purpose and scope of application of hydraulic eyeglass
valve:This valve is mainly installed on gas pipelines in
metallurgical, chemical, energy, and municipal systems, and is used
as a gas isolation valve. It is a very ideal gas isolation valve.
The hydraulic blind valve body is equipped with an opening and
closing oil cylinder and a flap oil cylinder. The opening and
closing oil cylinder drives the left and right valve bodies to
loosen and clamp through gear rings, gears, and screw pairs, while
the flap oil cylinder drives the valve plate to complete the
opening and closing action. The rubber sealing ring is embedded on
the valve plate, with good sealing performance and convenient
replacement.The hydraulic blind valve can be remotely controlled by
a single unit or connected to multiple units. In abnormal
situations, it can also be manually operated using the mechanical
device of the valve itself.Classification of hydraulic eyeglass
valves and hydraulic blind plate valves:Hydraulic blind plate
valves are divided into two types: electro-hydraulic control and
fully hydraulic control. The electro-hydraulic pneumatic
explosion-proof electrical travel switch generates electrical
signals to control the action of the solenoid valve. The full
hydraulic control uses a two position two way valve as a limiting
element, and generates an electrical signal to control the action
of the solenoid valve by connecting the hydraulic oil to the
pressure relay. The fully hydraulic control pressure relay is
installed on the hydraulic station, away from the valve, so it has
good explosion-proof performance.Working principle and structural
characteristics of hydraulic eyeglass valve:This valve is an
electric push rod transmission fan-shaped blind plate valve, and
the valve body is composed of left valve body, middle valve body,
right valve body, valve plate, clamping threaded valve stem,
corrugated pipe, electro-hydraulic clamping push rod,
electro-hydraulic walking push rod, and other components.The
sealing of the valve is achieved by clamping an electro-hydraulic
push rod driven by a motor, which directly acts on the active valve
stem through a crank, causing it to rotate. The three valve stems
are synchronously rotated through a linkage mechanism, and then the
left and right threads at both ends of the valve stem drive the
corresponding left and right nuts, causing the left and middle
valve bodies to compress or stretch the bellows while moving
symmetrically relative to the valve plate as the center, Clamp and
compress the sealing rings of the two valve bodies and the rubber
sealing rings of the valve plate to achieve sealing pressure ratio
and achieve sealing; On the contrary, the sealing rings of the two
valve bodies detach from the valve plate and loosen the rubber
sealing ring of the valve plate to facilitate subsequent switching
actions. The travel of the valve plate must follow the above
operation method to loosen the seals of the left and middle valve
bodies, and proceed with the two valve body sealing rings detached
from the rubber sealing rings of the valve plate. The electric
hydraulic travel push rod is driven by a motor to directly push and
pull the earrings on the valve plate, driving the valve plate to
rotate and open for travel.Product photos:Main performance
parameters of hydraulic eyeglass valve: Table of Main Appearance
and Connection Dimensions of Hydraulic Glasses Valve:
DNLDD1bn-d0n-d15006006456002020-228-186006307557052020-268-187006308608102024-264-188008009759203524-304-18900800107510203524-308-181000800117511203528-308-181100800127512203528-308-181200800137513203532-304-301300800147514203532-304-301400850157515203536-308-331500850169016303536-308-331600850179017303540-308-331800900199019303544-308-39
Company Profile:Package & Shipping:Certificates:Overseas
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