Комбинированный аппарат с постоянной и падающей головой

Combined Constant and Falling Head Apparatus is designed to determine the coefficient of permeability of soil specimens in laboratory conditions. The system offers two testing methods in a single unit, allowing reliable evaluation of both low-permeability and high-permeability soils.

The falling head method—used for fine-grained soils—calculates the permeability coefficient based on the reduction of water level over time, while the constant head method—preferred for coarse-grained, highly permeable soils—provides accurate results by measuring flow rate under a constant hydraulic head. Manufactured from durable, corrosion-resistant materials, the apparatus offers long service life as well as easy installation. Precision measurement tubes and a modular design provide flexibility, ease of use, and dependable performance.

ASTM D 2434

Constant Head Permeability Cell, ASTM 80 mm dia.	SOL-5479
Constant Head Permeability Cell, ASTM 120 mm dia.	SOL-5463
"Constant-Head Filter Tank, 4 L. (Supplied without sand)"	SOL-5464
Constant Head Permeability Cell, ASTM 63 mm (2.5”) dia. with metal body	SOL-5465
Constant Head Permeability Cell, ASTM 76 mm (3.0”) dia. with metal body	SOL-5466
Constant Head Permeability Cell, ASTM 114 mm (4.5”) dia. with metal body	SOL-5467
Constant Head Permeability Cell, ASTM 152 mm (6”) dia. with metal body	SOL-5468
Constant Head Permeability Cell, ASTM 229 mm(9”) dia. with metal body	SOL-5469

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