Drainage Systems for Bridges
Tested quality for the most demanding requirements in road-, bridge- and tunnel construction
The future-oriented infrastructure construction focuses on the entire life cycle of the building – both with regard to the costs of future customers and in relation to the long-term effects on environment and society.
 

Cast iron pipe systems according to EN 877 from PREIS® DS offer a robust and durable pipe system for road, bridge and tunnel drainage due to their specific material properties. 

Due to the insensitivity and dimensional stability of the material to shocks and high temperature fluctuation, PREIS® BML piping system has another unique selling point in infrastructure construction compared to other products and has a positive influence on the life cycle of the entire construction.

In addition, PREIS® BML drainage pipes and fittings meet the high safety requirements in modern drainage and are the ideal product to withstand acidic exhaust gases and road salts.

PREIS® BML

the cast iron drainage pipe system for bridge drainage

(in addition to PREIS® SML advantages)

Cold and heat resistant

Weatherproof

Conserving resources and 100% recyclable

Dimensionally stable and shockproof

Abrasion resistant

Comparison of changes in length of different materials

Extract from RVS 15.04.31, edition 11/2013, table

Nominal width
α
mm/mK
ΔT [°C] 55
ΔL [mm/10m]
PREIS® BML
0,0100
5,500
TW – Reinforced concrete
0,0100
5,500
TW – Steel
0,0120
6,600
Stainless steel tube
0,0165
9,075
GF-UP
0,0300
16,500
PP-ML
0,0440
24,200
PE
0,1700
93,500

BML - Cold and heat resistance

Linear expansion
same as reinforced concrete

The specific characteristics of cast iron is the perfect basis for all infrastructure projects in road-, tunnel-, and bridge construction. 

 

Comparison of changes in length of different materials

Nominal width
α
mm/mK
ΔT [°C] 55
ΔL [mm/10m]
PREIS® BML
0,0100
5,500
TW – Reinforced concrete
0,0100
5,500
TW – Steel
0,0120
6,600
Stainless steel tube
0,0165
9,075
GF-UP
0,0300
16,500
PP-ML
0,0440
24,200
PE
0,1700
93,500

BML - Weatherproof

PREIS® BML is proofed against all weather influences. Due to the insensitivity to temperature fluctuation, PREIS® BML piping system has another unique selling point in infrastructure construction. 

BML -Conserving resources and 100% recyclable

Genuine recycling, not down cycling: A mixture of used car parts, construction waste and foundry return is the basis of our products. We recycle all scrap iron and production waste whenever possible. It is important to stress that this type of recycling does not affect the quality of our products, but lowers both energy consumption and CO2 emission of our foundries. 


BML - Dimensionally stable and shockproof

Density
Tensile strength
Compressive
strength
Shear strength
Crushing strength
approx. 7,2 kg/dm3 (71,5 kN/m3)
> 150 MPa for fittings
> 200 MPa for pipes
approx. 3 to 4 times the value for tensile strength
approx. 1,1 to 1,6 times the value for tensile strength
(peak compressive strength) > 350 MPa

BML - Abrasion resistance

Resistance of the inside coating of PREIS® SML pipes and fittings

For domestic facilities and discontinuous use

Resistance
to 23° C
to 50° C
to 80° C
pH >1
pH1 (except for organic acids)
pH2 (except for organic acids)
Lime-scale dissolving agents
Cleaning agents
Detergents
Disinfectants
Stain remover
Oxidants
Water, salts
Drain cleaner
Solvents
pH12
pH13