First, description of products:
Second, the products are summed up:
Ventilating butterfly's valve adopts the stencil plate to weld and
make, it is short to have physical dimension, light, it is
convenient when the characteristic to install. This valve urges the
moment to be small, it is flexible to open and close, easy to
operate. Setting up the oil and sealing and blocking enclosing on
the valve body, can see the interval while sealing pair, leakage
rate is small. The inflation interval among butterfly's board and
valve body is great, the phenomenon has died in the card that can
prevent being caused by the fact that heat rises coldly and
contracts effectively . This valve can allocate many kinds of
drives , such as manual device , worm gear transmission device ,
pneumatic device , electronic device. Ventilate butterfly's valve
and is used for managing such industrial pipeline as the gold ,
teacher , electricity , building materials , mine ,etc.
extensively, control regulating action to the medium gas angrily.
Third, main parameter:
Nominal pressure ( MPa) | 0.05MPa | Medium temperature | -30 degrees Centigrade - -350 degrees Centigrade |
The intensity testing | 0.1MPa | Suitable medium | Cold and hot wind , exhaust gas |
Velocity of flow of medium | 25m/s | Leakage rate | 3% |
Fourth, major part material:
Part name | The valve has body | Valve board | Axle of the valve |
Material | Carbon steel | Carbon steel | Carbon steel , stainless steel |
Fifth, electronic TD941W ventilates the main appearance of butterfly's valve and connects the size unit (mm ):
DN | D | D1 | L | L1 | L2 | N- d | b |
300 | 405 | 370 | 120 | 716 | 220 | 8-12 | 10 |
350 | 455 | 420 | 140 | 786 | 240 | 8-14 | 10 |
400 | 505 |
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