NEW AND ACCURATE KEYSTONE Pneumatic Butterfly Valve FIGURE 990 BUTTERFLY VALVES and NELES Positioner ND7000
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Keystone F990 series butterfly valve Pneumatic actuator flow control valve Specification item value Type Globe Valves, Butterfly Valves Place of Origin United States California Brand Name Keystone Model Number F990 Application General Low Temperature, Medium Temperature, Normal Temperature Pneumatic Water Port Size DN25-DN300 Butterfly Product name Pneumatic actuator Keystone GRW series butterfly valve......
Xiangjing (Shanghai) M&E Technology Co., Ltd
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DN10mm DN25mm Manual Butterfly Valve , Stainless Steel Butterfly Valve
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... in the figure. 1. When the medium flows in the prescribed direction, the valve disc is opened by the force of the medium; when the medium is flowing backward, the valve disc is tightly sealed with the valve seat due to the weight of the valve disc and the...
TOBO STEEL GROUP CHINA
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