Details: supply for transportation engineering lab. items digital marshall apparatus, 50 kn, single speed, new model for 4" dia sample, ref. standards - astmd1559 bs: 598-197, en-12697-34 the test is intended for the measurement of the resistance to plastic flow of cylindrical specimens of bituminous paving mixture loaded on the lateral surface. for use with hot mixture containing asphalt or tar and aggregate up to 25.4 mm maximum size. suitable for operation on 220v, 50 hz, single phase, ac supply. single speed, bench top load frame nos 6 7 8 • max. loading capacity, 50 kn • geared jack and motor drive, • precise speed • limit switch protection for both upward and downward travel the equipment consist of the following replaceable parts :- marshall load frame cap 50kn speed-50.8mm/min:-1 no. the equipment comprises a bench top loading frame with a -driven adjustable crosshead on columns attached to sturdy base shall produce a uniform vertical movement of 50.8mm/min maximum vertical clearance
Sector: Higher Education