Table 5-5
Commercial Standards for Piping Material
Standard Piping Material
Use
Comments
ASTM Schedule 40
Chilled water up to 300 mm (12 in) dia.,
1035 kPa (150 psi) fittings.
Condenser water up to 300 mm (12 in) dia.
Standard weight pipe over 300 mm (12-in) diameter.
Hot water up to 100 mm (4 in) dia.
Test to 2100 kPa (300 psig)
Natural gas, fuel oil
Weld and test to 2100 kPa (300 psig)
Steam (100 kPa (15 psig) to 1035 kPa
(150 psi))
ASTM Schedule 30
Chilled water over 300 mm (12 in) dia
1035 kPa (150 psi) fittings.
Condenser water over 300 mm (12 in) dia.
Standard weight pipe over 300 mm (12-in) diameter
ASTM Schedule 80
Steam condensate
Copper Tubing
Chilled water up to 102 mm (4 in) dia,
Builder's option. Use type K below ground
Condenser water up to 102 mm (4 in) dia.
and type L above.
Domestic water
Lead-free solder connections.
Refrigeration
Type ACR.
Cast Iron Sanitary, waste and vent
Storm
149
MECHANICAL
ENGINEERING
5.12
Pumping and Piping Systems
Revised March 2005 PBS-P100
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