• Your shopping cart is empty!

  • BS 4979-1:1973

BS 4979-1:1973

Methods for testing and rating air control devices for air distribution systems-Aerodynamic testing of constant flow rate assemblies without a heat exchanger

BSI Group, 08/29/1975

Publisher: BS

File Format: PDF

$125.00$251.46


Published:29/08/1975

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

Deals with constant flow rate controller characteristics, the performance of the proportioning damper fitted to a dual duct box and the degree of temperature mixing achieved by this latter, as well as with casing leakage. Both single and dual boxes are covered, also single duct units.

All current amendments available at time of purchase are included with the purchase of this document.

More BS standard pdf

BS 07/30138921 DC

BS 07/30138921 DC

BS EN 62209-2. Human exposure to radio frequency fields from handheld and body-mounted wireless communication devices. Human models, instrumentation, and procedures. Part 2. Procedure to determine the specific absorption rate (SAR) for mobile wireless communication devices used in close proximity to

$138.00 $276.12

BS 07/30151457 DC

BS 07/30151457 DC

BS ISO 25620. Laminate floor coverings. Determination of long-side friction for mechanically assembled panels

$142.00 $284.72

BS 07/30128138 DC

BS 07/30128138 DC

BS EN 1993-1-9. National Annex to Eurocode 3. Design of steel structures. Part 1-9. Fatigue

$103.00 $207.84

BS 07/30168488 DC

BS 07/30168488 DC

BS EN 253. District heating pipes. Preinsulated bonded pipe systems for directly buried hot water networks. Pipe assembly of steel service pipe, polyurethane thermal insulation and outer casing of polyethylene

$115.00 $230.16