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Marsh Cone Set for Civil & Construction, ESMC, Bangladesh

$13,000.00
Cone Set for Civil and Construction, China

Marsh Cone Set

Marsh funnel set

The Marsh Funnel was developed to provide a field measurement of the apparent viscosity of clay-thickened drilling mud.

Provided that a conversion table has been developed, a modified Marsh Funnel can be used to provide a measure of apparent viscosities for gum-thickened and polymer thickened products used in wildland fire operations.

Without a conversion table, the flow-through times can be used to determine batch to batch consistency of a single product, and in limited circumstances to compare similar products. The directions for use of a Marsh Funnel are given below. The procedures for modifying the Marsh Funnel for use in determining the viscosity of long-term retardants (Forest Service modification) and the consistency of water enhancers (California Department of Forestry and Fire Protection,

Summary:

The orifice of the original Marsh funnel tip is too small for determining the viscosity of enhanced water mixtures. The California Department of Forestry and Fire Protection (CDF) modified a standard Marsh funnel for use with these higher viscosity materials. The instructions for making the modifications are described below and shown in the figures.

Method:

  • Cut 3 3/4 inches off the tip of the funnel with a saw.
  • Glue a 3/4-inch threaded PVC bushing into the opening
  • Obtain several 3/4-inch threaded PVC plugs (sizes 3/8-inch, 5/16-inch, 1/4 inch, and 3/16 inch) that can be threaded into the bushing to change the inside diameter of the tip.
  • Label the plugs with the diameter of the hole.

Images are reference only. Actual product may be different.

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