Product Description
Operating principle: 1.When closing the valve, turn the handwheel
to make stem lowered. The interaction between precision helical
guideway and guide pin makes stem and ball rotating synchronously,
and the ball rotating frictionless by to turn the handwheel to
lower the stem, thus to make the ball and valve seat closely
contacted. 2. When opening the valve, the interaction between pin
and guideway will be acted on the ball through the stem, making the
ball detached from the seat, and then rotating by is no friction
between seat and ball, which can lengthen its service life.
Structural Features: 1. Frictionless sealing structure, upon
opening the valve, the ball will be detached from the seat, and
then rotating. As there is no scraping between seal faces, this
valve is quite durable. 2. upon closing the valve, the interaction
between pin and guideway performs more dependable seal. 3. upon
closing the valve, the ball is kept a certain space from the seat
during the process of rotation. With the rotation of the ball, flow
rate will be reduced and flow velocity will be increased to make
the seal faces clean. 4. Small volume, compact structure, easy
operation and installation, in-line repair accessible, and long
service life. 5. with electric or pneumatic device, remote control
may be effected to deal with dangerous working conditions, thus to
ensure personal safety. Standard and regulation Design and
Manufacture:GB/T*********9, API**8 Inspection and
test:GB/*********2, API**8 Flange Connection
dimension:JB/*9.*******4, ASME/ANSI B*6.5
Face-to-face-dimension:GB/T*********9, GB/T****8.*****4, ASME/ANSI
B*6.*0 Driving manner: Manual operated, Worm gear operated,
Pneumatic operated, Electric operated
Country: |
China |
Model No: |
Orbital ball valve
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FOB Price: |
(Negotiable)
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Place of Origin: |
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