Round hollows with inner nocks

Round hollows with inner nocks

Cast Specification

Cast Specification

Sizes (mm)Tolerances (mm)Max length till (m)Straightening (rolling)Straightness (mm/m)Min wall thickness (%)
Outer diameter as per KMM standard program for round hollows. Inner size – to agree with costumer.To agree with costumer.4,05 ±0,05Yes1,0-
Size/weight

Size/weight

Delivery sizes ØmmRa/RbADelivery weigh
dDkg/m
25422.220.69.1
22392.217.68.6
26352.221.64.03
19412.214.69.43
Materials/alloys

Materials/alloys

Bronzo allo stagnoKMM lega principaleLeaded tin bronzeHigh-leaded tin bronzeBronzo al piombo / Gun MetalLega a basso contenuto di piombo per acqua potabile
CuSn10Zn2-C
CuSn11P-C
CuSn12-C
CuSn12Ni2-C
CuSn10-C
CuSn5Zn5Pb2-CCuSn11Pb2-C
CuSn7Zn2Pb3-C
CuSn7Zn4Pb7-C
CuSn5Pb9-C
CuPb10Sn10-C
CuSn7Pb15-C
CuSn6Pb16-C
CuSn5Zn5Pb5-C
CuSn3Zn8Pb5-C
CuSn4Zn2PS-C
CuZn21Si3P-C
CuSi4Zn9MnP-C
CuNi7Si2
Application

Application

  • plain copper sanitary pipes;
  • pipe fittings;
  • bathroom fixtures;
  • tubes for boilers and
  • boiler accessories
  • designed for potable water
  • low-pressure valves,
  • pipe fittings,
  • gasoline and oil-line fittings,
  • fire extinguishing equipment fittings