Chengde Jinjian Testing Instrument Co., Ltd.  

Product Name: Buckling Resistance Tester Thermoplastic Manhole Model NO.: JJ-TEST Trademark: JJ-TEST Transport Package: Wooden Specification: BS EN 14830: 2006 BS EN 13598-2: 2009 Origin: China HS Code: 90248000 Product Description JURBT-1 series buckling resistance tester is used to simulate the conditions when manhole is buried underground and check its resistance to the force from underground water.Seal and vaccumize the sample between 20.C-25.C, keep the pressure stable for more than 1000h, measure the deformation of the sowchannel side and bottom, then extrapolate the deformation occurred after 50 years by least square method.ItemParameterManhole diameter range215mm-1200mmPressureVacuum pressure range-80kPa-0kPaPressure control accuracy2%Connector to vacuumPump1/4*10,hose connectorDeformationRange0mm to 75mm(up to 150mm,on customer's requirement)Deformation measuring1mmTimingRange0h-9999hAccuracy1minOtherSecurity protection gradeIP55Power supply220VAC-15%_220vac+10% 50Hz 150WOverall dimension(L*W*H)(2000*1400*3150)mmWeight400kgFootprint7500mm*2000mm