BRASS TUBES FOR HEAT EXCHANGERS

GRADES:
CuZn20A12, CuZn28Sn1, CuZn30As acc. to PN-92/H-87025

CONFORMITY WITH STANDARDS:
Tubes are manufactured acc. to PN-80/H-74585, EN 12451, DIN 1785, BS 2871, ASTM B111, ASME SB111, GOST 15527-70, NF A51-102, JIS H3300

DIMENSIONAL RANGES:
Outside diameter [mm] Wall thickness [mm]
9,5 – 22 0,80 – 0,99
10 – 35 1,00 – 1,49
11 – 45 1,50 – 2,00
15 – 45 2,01 – 2,50
25 – 45 2,51 – 3,00

LENGTH:
2000 mm - 14000 mm
For tubes 9,5 – 15 mm – length to 8000 mm, above 8000 mm length to square.

SPEClAL CERTIFICATES, APPROVALS:
- Certificate of conformity with German regulations AD - 2000, Merkblatt W0/TRD 100, issued by RW TÜV Germany.
- Approval certificate No. TT/226/710011/03, issued by Polish Register of Shipping.
- Authorisation for manufacture of heat exchanger tubes granted by Technical Inspection Office Poland.
- Certificate of conformity with UE Directive 97/23/EC, issued by TÜV NORD Germany.

GUARANTEES:
Guarantee for corrosion resistance of the tubes:
- 2,5 years for CuZn28Sn1 grade acc. to the agreed guarantee sheet for condenser piping in power industry,
- 3 years for CuZn20AI2 grade acc. to the agreed guarantee sheet for condenser piping in power industry.

APPLlCATION:
- Condenser piping in power industry under moderate working conditions.
- Auxiliary heat exchangers and piping systems in heat and power stations.
- Heat exchangers and coolers used in shipbuilding industry, working in sea water environment (CuZn20AI2).