D41W ventilation butterfly valve

NegotiableUpdate on 01/22

Model

Nature of the Manufacturer: Producers

Product Category

Place of Origin

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Overview

The D41W ventilation butterfly valve is made of the same material as the valve body and processed into a sealing ring. Its applicable temperature depends on the material of the valve body, and it is generally used for regulating the flow rate of ventilation media in industrial, metallurgical, environmental protection and other pipelines.

Product Details

1Overview

The sealing ring is processed from the same material as the valve body, and its applicable temperature depends on the material of the valve body. It is generally used for regulating the flow rate of ventilation media in industrial, metallurgical, environmental protection and other pipelines.

IIPurpose and Features

It can be used as a bidirectional opening and closing device for ventilation and dust removal pipelines, and is suitable for ventilation, dust removal, and environmental protection systems in industries such as metallurgy, mining, cement, chemical, and power generation. Features: This valve is welded with steel plates, with short length, light weight, simple structure, easy use and maintenance, and can achieve on-site operation and remote control.

IIIrelated parameters

Nominal Diameter	DN（mm）	50～2000
Nominal Pressure	PN（MPa）	0.05	0.25	0.6
Test pressure	strength test	0.075	0.375	0.9
Test pressure	Sealing Test	≤ 1% leakage rate
Applicable Medium	Gas, dusty gas, flue gas, etc.
Drive Type	Manual, worm gear transmission, pneumatic transmission, electric transmission.

4Part material

Part Name	material
valve body	Special materials such as cast steel, stainless steel, chromium nickel molybdenum titanium steel, chromium molybdenum titanium steel, etc
butterfly valve disc	Special materials such as cast steel, stainless steel, chromium nickel molybdenum titanium steel, chromium molybdenum titanium steel, etc
sealing ring	Same as valve body
valve stem	Carbon steel, 2Cr13, stainless steel, chromium nickel molybdenum titanium steel
filler	Fluoroplastics, flexible graphite

5Overall dimensions

Nominal Diameter		structural length>(Standard value)	Overall dimensions (Reference value)				Connection size (standard value)								Reference value（kg）
Nominal Diameter		structural length>(Standard value)	Overall dimensions (Reference value)				0.05MPaand0.25MPa				0.6MPa
millimeter	inch	L	H	H0	A	B	D	D1	D2	n-d	D	D1	D2	n-d
50	2	108	70	215	270	65	140	110	88	4-14	140	110	88	4-14	9
65	21/2	112	80	235	270	65	160	130	108	4-14	160	130	108	4-14	12
80	3	114	95	263	270	65	190	150	124	4-18	190	150	124	4-18	15
100	4	127	105	283	270	65	210	170	144	4-18	210	170	144	4-18	17
125	5	140	120	313	310	65	240	200	174	8-18	240	200	174	8-18	23
150	6	140	132	338	310	65	265	225	199	8-18	265	225	199	8-18	25

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