304 Stainless Steel Pneumatic Butterfly Valve Actuator DN100 Quick Assembly

MOQ： 1Set
Price： Negotiable
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Stroke Length	10 mm to 1000 mm
Working Frequency	20% or 10% high efficiency
Environment Temperature	-15-55℃
Mounting Type	Flange / Clevis
Backlash	1.5%
Torque	50 - 2000 N.m
Deviation	≤1.5%
Material	Aluminum Alloy / Stainless Steel
Protection Class	IP45,IP55,IP65
Name	Electric Actuator
Working Temperature	-20 ~ +65℃
Payment Terms	T/T,D/P,D/A,L/C
Supply Ability	100PCS/Month
Delivery Time	5-8 work days
Packaging Details	Carton
Brand Name	QINWEIYB
Model Number	QW-DMT143
Place of Origin	China

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Product Specification


Stroke Length	10 mm to 1000 mm	Working Frequency	20% or 10% high efficiency
Environment Temperature	-15-55℃	Mounting Type	Flange / Clevis
Backlash	1.5%	Torque	50 - 2000 N.m
Deviation	≤1.5%	Material	Aluminum Alloy / Stainless Steel
Protection Class	IP45,IP55,IP65	Name	Electric Actuator
Working Temperature	-20 ~ +65℃	Payment Terms	T/T,D/P,D/A,L/C
Supply Ability	100PCS/Month	Delivery Time	5-8 work days
Packaging Details	Carton	Brand Name	QINWEIYB
Model Number	QW-DMT143	Place of Origin	China
High Light	Stainless Steel Pneumatic Butterfly Valve ，Pneumatic Butterfly Valve Actuator DN100 ，Pneumatic Butterfly Valve Quick Assembly

Pneumatic Butterfly Valve, 304 Stainless Steel, DN100, Quick-Assembly Ventilation

Pneumatic Butterfly Valve Overview

A pneumatic butterfly valve is an industrial valve that controls the flow of fluids by rotating a butterfly plate through a pneumatic actuator. It is often the preferred choice in most medium and low pressure, large diameter industrial applications.

Core Accessories

Similar to other pneumatic valves, to achieve automatic control, the following accessories are required:

Solenoid valve: Controls the on-off and direction of the air path.
Limit switch: Feedbacks the open and closed position signals of the valve.
Air source treatment trio: Filters, reduces pressure, and lubricates.
Positioner: If the butterfly valve is to be used for precise proportional regulation (rather than just on-off), a positioner must be installed to precisely control the opening angle of the butterfly plate.
Manual operation mechanism: For manual operation in case of air source failure.

Pneumatic Butterfly Valve vs. Pneumatic Ball Valve vs. Pneumatic Gate Valve: Quick Comparison

Characteristics	Pneumatic Butterfly Valve	Pneumatic Ball Valve	Pneumatic Gate Valve
Structural Length	Shortest	Short	Longest
Opening and Closing Speed	Fast (90°)	Very Fast (90°)	Slow (Linear Multi-turn)
Flow Resistance	Small	Small (Full Bore)	Minimal
Regulation Performance	Good	Poor	Prohibited
Sealing Performance	Soft Seal: Zero Leakage Metal Seal: Poor	Excellent (Soft Seal)	Good
Main Diameter	Advantageous in Medium and Large Diameters	Advantageous in Medium and Small Diameters	Large Diameter, High Pressure
Cost	Low (Especially for Large Diameters)	Medium	High

Brief summary:

If you need a valve that is inexpensive, compact, adjustable, and suitable for large-diameter water or gas at normal temperature -> choose a butterfly valve.
If you need a valve that can be quickly cut off, has zero leakage, provides high-pressure sealing, and is suitable for medium and small diameters -> choose a ball valve.
If you need a valve with zero pressure loss, suitable for large-diameter high-pressure main lines, and only used for on-off purposes -> choose a gate valve.

Typical applications:

Water supply and sewage treatment: It is the absolute main force, used at the pump outlet, for process switching, and flow regulation.
HVAC (Heating, Ventilation, and Air Conditioning): Controls the on-off and flow of cold and hot water, cooling water, and air.
Food: Sanitary butterfly valves, used in material pipelines, CIP/SIP systems.
Chemical and power: Circulating water, flue gas desulfurization, coal powder transportation, various process pipelines.
Shipbuilding: Seawater, ballast water, fuel systems.

Pneumatic butterfly valves are the "versatile all-rounders" and "value-for-money champions" in industrial pipeline automation. They strike an ideal balance between functionality, cost, and space occupation. Although they have some limitations in high-pressure, high-temperature, and small-diameter applications, in their main battlefield - medium and low pressure, large-diameter on-off and regulation applications, they have become one of the most widely used pneumatic valves thanks to their unparalleled comprehensive advantages. Whether it's simple on-off control or complex flow regulation, you can always find a pneumatic butterfly valve that suits your working conditions.

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Xi 'an Qinwei Instrument Factory (General Partnership Enterprise)
No. 143, Sanqiao Street, Xi'an City, Shaanxi Province, China
https://www.radarlevelgauges.com/

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