Load Frame, 2in / min, 20,000lbf

Model: 7790

Price: $6,250.00

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Description
Soil Tests
Specifications
Questions?

The 7790 Karol-Warner Load Frame is an economical Load Frame that can perform a variety of Marshall testing applications. Its 20,000lbf (89kN) capacity and fixed strain rate of 2in/min (50.8mm/min) covers Marshall, Indirect Tensile (Lottman), Semi-Circular Bend (SCB), Tack Shear, and other testing of hot-mix asphalt samples when equipped with proper load and displacement components. The powerful 1hp AC drive motor regulates speed to within ±1%. This model is available in 230V / 50-60Hz only.

With its sturdy powder-coated steel cabinet and precision loading screw with protective boot, the Load Frame can handle even the most severe lab environments. Front panel controls allow the operator to adjust the direction of the 8in (203mm) diameter platen. The vertical 1.25in (32mm) diameter rods allow for a quick change of crossarm height.

Features:

Strain rate of 2in/min meets a variety of asphalt tests
Load capacity of 20,000lbf
Powerful 1hp AC drive motor regulates speed to within ±1%
Corrosion-resistant construction
Simple to operate and maintain
Economical and versatile product for laboratory or university needs

Included Items:

Load Frame, 2in / min, 20,000lbf

Accessories:

Load & Displacement Measurement products outfit Karol-Warner Load Frames for specific test methods
4 and 6in Marshall Breaking Heads measure deformation under load and flow rate when performing hot-mix asphalt testing
4 and 6in Lottman Breaking Heads test moisture susceptibility of asphalt specimens
7042 Flow Meter with Indicator is used to measure specimen flow under load during Marshall testing of hot-mix asphalt
7699 Rolling Cart for Load Frames allows easy portability in the lab
6572-28 Two Channel Readout with 2in Displacement Transducer & 10,000lbf Load Cell offers a complete kit for measuring and displaying load displacement
9610 Semi-Circular Bend Test Fixture for low-temperature fracture and toughness of asphalt samples
9706 Asphalt Tack Bond Shear Apparatus for tack coat strength
7001 Readout Load Frame Bracket secures a Data Readout to the Load Frame

Model	Strain Rate, in/min	Capacity, lbf	Triaxial	Unconfined Compressive Strength	California Bearing Ratio (CBR)	Soil Cement	Marshall Lottman Semi-Circular Bend (SCB) Tack Shear
7611	0.001 - 0.1	10,000	✔	✔	✔	✔
7621	0.0001 - 0.3	10,000	✔	✔	✔	✔
7631	0.00001 - 0.29999	10,000	✔	✔	✔	✔
7731	0.00001 - 0.29999	20,000	✔	✔	✔	✔
7691	0.02 - 2.0	10,000	✔	✔	✔	✔	✔
7690	2.0 Fixed	10,000					✔
7790	2.0 Fixed	20,000					✔

Load Capacity	20,000lbf (89kN)
Strain Rate	2in/min (50.8mm/min)
Rate of Load	±1% of Set Point
Motor	1hp AC Motor
Electrical	230V / 50-60Hz
Frame Opening Dimensions	11 x 19.5in (279 x 495mm) WxH
Net Weight	190lb (86.4kg)
Product Dimensions	18 x 29 x 54.5in (457 x 737 x 1,384mm) WxDxH
Estimated Shipping Weight	250.0lb (113.40kg)

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