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Manual Globe Valve

Manual Globe Valve


Description of Manual Globe Valve:

ZECO manual globe valve uses through way type structure. In order to make sure about the sealing at the stem packing, use flexible graphite packing. At the same time to consider that under the working conditions, cavity fluid erosion and replace packing convenience. There was back seal structure in the bonnet, this up sealing face and the sealing face of stem contact with each other, to make sure that the stem is sealing when the valve gate is open. Because ZECO manual globe valve will have flow direction requirements according to the pressure, the globe valve needs to be installed according to the flow direction requirements. The installation is the key to decide the valve life. Improper installation of the globe valve can make the possibility of significant performance degradation, so, should confirm such points as follows before install valves. Check the sign which shows the flow direction of globe valves, and install valves according to the flow direction.


Features of Manual Globe Valve:

1. The disc of ZECO manual globe valve is designed in self-aligning to prevent Particles and impurities in the medium from building up inside the body;

2. The integral seat and self-aligning disc of ZECO manual globe valve ensure bubble-tight shut off and extended seal life;

3. When ZECO globe valve is stroked open, the specially designed back-seat prevents moisture and impurities from leeching into the packing;

4. The sealing surface of ZECO manual globe valve can be made of various hard sealing materials to meet the requirements of special working conditions.


Material of Manual Globe Valve:

No

Part

Material

1

Body

ASTM A351 CF8M

2

Disc

ASTM A182 F316

3

Stem

ASTM A276 316

4

Bonnet Gasket

Graphite + SS316

5

Bonnet

ASTM A351 CF8M

6

Bonnet Bolt

ASTM A193 B8M

7

Bonnet Nut

ASTM A194 8M

8

Stem Packing

Reinforced Graphite

9

Gland

ASTM A276 316

10

Gland Eyebolt

ASTM A193 B8M

11

Stem Nut

ASTM B148


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