Pneumatic 3-piece Welded Ball Valves

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Product Detail

The pneumatic 3-piece welded ball valve is powered by compressed air. The valve stem drives the valve core to rotate 90° in the valve body to realize the action from full open to full close. It can adopt intelligent control and positioning, and be matched with an electric valve positioner. It can be controlled to operate by inputting 4~20mADC signal and 0.4~0.8MPa air source, so as to realize the regulation of parameters such as pressure, flow, temperature and liquid level.

Technical Parameters

Item	Specification
Product Name	Pneumatic 3-Piece Welded Ball Valve
Valve Body Material	Stainless Steel 304, 316
Connection Type	Socket Weld
Applicable Pressure	PN130/2000WOG
Nominal Diameter	DN15~DN50
Actuation Mode	Pneumatic
Applicable Medium	Water, Gas, Oil, etc.
Applicable Temperature	-20°C ~ +150°C / -20°C ~ +240°C
Actuator Type	AT Pneumatic Actuator / RT Pneumatic Actuator
Action Mode	Double-Acting (Air Open & Air Close), Single-Acting (Spring Return)
Control Mode	On-Off Two-Position Control, 4-20mA Analog Control
Air Supply Pressure	Double-Acting: 3-8bar; Single-Acting: 4-8bar
Operating Medium	Air
Connection Size	ISO5211
Air Supply Interface	Comply with NAMUR Standard
Manufacturing Standard	National Standard GB / Ministry of Machinery JB / Ministry of Chemical Industry HG / American Standard ANSI/API / Japanese Standard JIS / German Standard DIN / Customization of Other Standards