Gear Operated Ball Valve

Description of Gear Operated Valve:
Large size ball valve if adopt manual operation will reduce the efficiency of
personnel, even if many people help may also be because of the large size of
excessive torque can't open or close the valve, so the large-diameter ball
valve ZECO basically adopts the gear operation, the gear can drive way through
the gear structure greatly reduce open or close the valve torque, could have
been three operations may be only one operation can be completed. In addition,
ZECO can manufacture turbo heads with waterproof grade or full spray coating
according to customers' requirements.
Features of Gear Operated Ball Valve:
1. ZECO gear operated ball valve has a stem anti - fly out design. In ball
valve need to change the packing or for corresponding maintenance, need to
clear the packing gland, in order to prevent the discharged gland, the stem
will be hurt by pressure within the lumen and top fly to maintenance personnel,
ZECO in a setting on the stem for stem convex in gland place, no matter how
much lumen pressure stem fly out burst damage will not happen;
2. The connecting parts of the valve body and the left body of ZECO ball valve
are cushion seals. In order to prevent the sealing leakage caused by fire, high
temperature or vibration, ZECO designed the connection between the valve body
and the left body as metal and metal contact, forming a flange to ensure no
external leakage;
3. ZECO gear operated ball valve is designed with anti-static device. When
the ball valve in the process of opening or closing, non-metallic materials on
the surface of the ball and seal friction generating electrostatic, such as
static medium is derived and the line is combustible materials will be very
serious incidents, so ZECO design on the stem and ball anti-static device,
composed of spring and the metal ball, which can be produced by electrostatic
export the valve body;
4. ZECO gear operated ball valve is designed to be fire protection. In case
of fire, non-metallic materials such as packing and seat or some materials with
low ignition point will be seriously burnt down and lead to serious leakage and
expansion of fire situation. The fire-proof structure of ZECO can ensure that
after these non-metallic materials are burned down, the leakage can be
prevented through the metal seal of the ball and valve body to ensure the
normal operation of the pipeline.

Material of Gear Operated Ball Valve:
No Part Material
1 Body ASTM A216 WCB
2 Bonnet ASTM A216 WCB
3 Ball ASTM A105
4 Seat ASTM A105 + PTFE
5 Stem ASTM A182 F6a
6 Anti-static Device SS304
7 Gasket Graphite + SS304
8 Bolt ASTM A193 B7
9 Nut ASTM A194 2H
10 O-ring Viton A
11 Gear Operation ASTM A216 WCB
ZECO is a professional china ball valve suppliers, we provide international
standard valve, want to know more? Please contact us.

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