Butterfly Valve lever handle
Category: Butterfly Valve  Publish Time: 2015-06-09 00:51 

Butterfly Valve lever handle
Product Name:Butterfly valve lever handle
Model:PV121B
Size range:DN50(2") to DN200(8")
Body material:PVC/CPVC/PVDF/PPH/PP
Seat material:EPDM;FPM
Wafer connection: DIN PN10, ANSI CL150, JIS 10K,
Design pressure:1.0Mpa(PN10 bar)

Feature of Valve

◆ Different materials of disc and seat for application of different medium.

◆ Wafer connection is easy to install and remove.

◆ Special designed rubber seat make better sealing and smaller torque.

◆ Valve is easy to assemble and disassemble to change damaged parts

◆ Strong hand lever design make operation easier

◆ Electric and pneumatic operation is optional.


Part material list
No. Part Name  Material Optional
1 Lever cap PP
2 Hand lever ABS
3 Insert Steel
4 locking board PP
5 Seal ring EPDM;FPM
6 Stem Steel;Stainless steel
7 Body PVC/CPVC/PVDF/PPH/PP
8 Disc PVC/CPVC/PVDF/PPH/PP
9 Seat ring PP
10 Seat EPDM;FPM
11 Pin PP
12 Spring Steel
13 locking lever PP

Dimension Sheet



Note

●Never remove the valve from pipeline under pressure.

●After replacing butterfly valve, do not make the valve in closed position, excessive force could damage Disc.

●When replace the disc or stem, should use the specialized tools to disassemble the valve.


Troubleshooting

What if fluid leaks when valve is fully closed?

1. Seat is broken.

2. Pressure or temperature is exceeded.

What if the valve can not be fully opened?

1. Hand lever stucked.

2. The disc is stucked by the connected flanges on each side.

What if fluid leaks to atmosphere?

1. Stem sealing O ring broken.

2. Seat not assembled rightly.

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