Summary:
LQW700S connecting rod eccentric flap valve is the execution unit of pneumatic unit combination instrument, which is widely used in the frequent and quick open or closure of the air or smoke, coal gas in the pipeline system in such industries as power station, smelting, light textile, glass, concrete and chemical engineering. It is applicable for the occasions with big aperture, big low rate, low differential pressure, low leakage and zero leakage.
Standard specification:
Body parts
Type: eccentric plate type
Nominal diameter: DN150-DN1600
Nominal pressure: 0.1Mpa
Coupling type: flange type
Flange specification: JB/T79.1-1994 PN0.25Mpa
Structure length: GB/T12221-1989 long series
Material: refer to form 2
Filler: flexible graphite
Coating: blue (epoxy resin)
Medium temperature range: 20oＣ～+300oＣ
The inner valve assembly
Valve plate type: plane sealing type
Valve plate corner: 0～90o
Characteristics: quick-open type
Actuators
Type: cylinder type and electro-dynamic type
Ambient temperature: -25oＣ～+60oＣ
Performance
Rated valve: refer to the form