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 Model 841 
The pressure gauge has a thin-board diaphragm between the fluid to be measured and the indicator to detect the pressure indirectly.  
Size (dial diameter):100 mm, 150 mm Measuring range:0.03 to 25 MPa Type of joint:screw, flange Wet-part materials:SUS 316, tantalum-Monel, Teflon, Hastelloy, etc. 
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