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Lug Type Butterfly Valve

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Features

1. Long service life with reliable seal and without frequent maintenance.

2. Pressure Loss

Too much pressure loss will bring increased cost of correlative energy. Butterfly valve have flow characteristics three times better than globe valve, and about 75% of a same size gate valve.

3. Multi-Function

Butterfly valve can be used for on/off service and throttling. They are superior in Multi-function as compared to gate valves. Butterfly valve can be widely used in chemical field due to trim options and choice of elastomeric liner.

4. Weight

Butterfly valve have feature of light in weight and small in size, for example, weight and size of a 10” butterfly valve are 1/9 and 1/6 of a 10” gate valve. So, butterfly valve is easy to be installed and saves cost of piping system.

5. Bubble Tight

Butterfly valve with resilient seat design can be bubble tight as compared to metal seated gate or globe valves.

6. Easy of operation

Butterfly valve offer 90-degree open to close.

7. Maintenance

Properly installed butterfly valves are self-cleaning and are less susceptible to failure due to trash material in pipe.


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ITEM

PART NAME

MATERIAL

1

Body

DI

2

Disc

DI/SS316/AL-BZ

3

Seat

EPDM/BUNA/VITON/PTFE

4

Stem

SS410/SS316

5

Taper Pin

SS316

6

Cover

DI

7

Bushing

TEFLON

8

O-ring

EPDM/BUNA/VITON

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Manual Operator - Lever Handle

There are three type of Lever Handles:

1.Common handle with common notch plate: The valve can be on/off by operating the lever handle, and different positional slot can keep the valve in a required opening angle.

2.Locking handle with common notch plate: The locking handle can fix the valve in a specific opening angle.

3.Common handle with locking plate: The locking plate can fix the valve in a specific opening angle.

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Manual Operator - Gear Box

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