• Your shopping cart is empty!

  • BS 1438:1971

BS 1438:1971

Specification for media for biological percolating filters

BSI Group, 09/07/1971

Publisher: BS

File Format: PDF

$125.00$251.46


Published:07/09/1971

Pages:32

File Size:1 file , 3.4 MB

Note:This product is unavailable in Ukraine, Russia, Belarus

Single-sized materials, 63 mm to 14 mm, including coke, clinker, gravel, crushed stone, slag for treatment of water, sewage, trade effluents. Durability; sizes; descriptions of shape, nature of surface and group classification; flakiness, cleanness, sampling and testing; supplier's certificate; independent tests. Notes on use appended.

More BS standard pdf

BS 490-10.1:1983

BS 490-10.1:1983

Conveyor and elevator belting. Testing for physical properties-Introduction

$76.00 $152.40

BS 2782-1:METHOD 150C:1983

BS 2782-1:METHOD 150C:1983

Methods of testing plastics. Thermal properties-Determination of low temperature extensibility of flexible polyvinyl chloride sheet

$76.00 $152.40

BS 3424-8:1983

BS 3424-8:1983

Testing coated fabrics-Methods 10A, 10B and 10C. Methods for determination of low temperature performance

$52.00 $104.14

BS 2782-11 METHOD 1105A:1983

BS 2782-11 METHOD 1105A:1983

Methods of testing plastics. Thermoplastics pipes, fittings and valves-Method of test for the change in mass of unplasticized polyvinyl chloride pipes and fittings on immersion in sulphuric acid

$34.00 $68.58