Grey/ Blue/ Orange/ White according to
Resistance to: Acid and alkaline solutions.
Non-resistance to: Oxidizing acids and Aromatic
Density: 1.350 to 1.460 g/cm3
Minimum tensile strength: 45 Mpa
Permissible working temperature: 0 to 45oC
Minimum temperature of vicat softening: 76oC• Dimension: supply
in inch, metric and CIOD system
Working pressure: maximum permissible pressure for
water at operating temperature up to 45ºC.
Working pressure is according to formula: Plv=K
Plv: Working pressure
K: Pressure reduction coefficient for water
PN: Nominal pressure.
K is given in following table