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LUG Type Butterfly Valve

Nominal Diameter : 2‘’~48‘’
Nominal Preesure : CLASS150LB-600LB
Design Standard : API609
Ends Flange dimension : ASME B16.5/B16.47
Inspection and test : API598
Connection type : Flanged、Wafer、LUG、BW ends etc.
Mainly Material : WCB、CF8、CF8M、CF3、CF3M 、4A、5A、Aluminum Bronze C95800etc.
Opeartion type : Gearbox、Electric Actuator、Pneumatic Actuator etc
Description

◆ Material Of LUG Type Butterfly Valve


Pos. Part Material
1 Body A216-WCB
2 Disc A351-CF8
3 Stem AISI 420
4 Seal Graphite+SS304
5 Seat SS304 overlay
6 Bolt ASMT B193-B7
7 Nut ASMT B194-2H
8 Stem Packing Flexible Graphite
9 Gland ASMT SS410
10 Stem Nut B194-2H
11 Gearbox WCB


ZHENGFENG VALVE LTD All the Butterfly valves production by ZFVALVES are attached with installation manual.The users can follow the instructions to install it.Because of it's threaded body hole construct, the LUG Triple Offset Butterfly Valve can be installed into a pipeline systom using two sets bolts.

1. The valve can be installed between two flanges using a seperate set of bolts for each flange. So either side of the piping system do not disturb the other side.

2. Pay attention to the flow direction of the pipe when installing the valves.

3. Installation position of frequently operated valves should be easy to operate. The most suitable installation height is 1.2 meters from the operating surface.

4. The distance between the center and the edge of the handwheel set around the operating platform should not be greater than 450 mm.

5. The stem is horizontally mounted on the stem. When the valve is opened, the stem shall not affect the passage.

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