... L (determined according to the center distance): 300, 500, 800, 1100, 1400, 1700 2000mm4.boiler water gauge: 300, 400, 440. ... Dimensions shall be given for special specification.5.Self sealing pressure of steel ball: more ... .productShow(); oProductShow.init( { 'aImgSrc': aBigImageSrc } ); } )(); 2013 Magnetic Level Gauge for gas,petrol,chemical,water and metallurgical