Product
Catallog

NPC designs and manufacturers reinforced concrete pipes and prestressed concrete cylinder pipes that resist the hazards of time, pressure, corrosion, climate and transport fluid for longer than other kinds of pipes are expected to endure.

Product Range

Reinforced Concrete Pipe

Type Inside diameter
mm.
Thickness
mm.
Nominal Length
mm.
Specific Weight
Kg.
Specification
RCP75010760004230ASTM C76
RCP80012060005200ASTM C76
RCP90010060004620ASTM C76
RCP105013260007200ASTM C76
RCP120014460008940ASTM C76
RCP1500169600013030ASTM C76
RCP1700190600016590ASTM C76
RCP1800190600017460ASTM C76
RCP2000200400013550ASTM C76
RCP2250280300016690ASTM C76
RCP2500280400023970ASTM C76
RCP3000330300025380ASTM C76
RCP3200380200021370ASTM C76
RCP3500330300029075ASTM C76

Prestressed Concrete Pressure Pipe with Steel Cylinder

Type Inside diameter
mm.
Thickness
mm.
Nominal Length
mm.
Specific Weight
Kg.
Specification
PCCP70010760004150AWWA C301
PCCP80010760004660AWWA C301
PCCP90012560006160AWWA C301
PCCP100013560007360AWWA C301
PCCP120013560008660AWWA C301
PCCP1400145600010770AWWA C301
PCCP1500155600012330AWWA C301
PCCP1600155600013080AWWA C301
PCCP1800165600015590AWWA C301
PCCP2200200600023070AWWA C301
PCCP2500225600029470AWWA C301

Reinforced Concrete Pipe with Steel Cylinder

Type Inside diameter
mm.
Thickness
mm.
Nominal Length
mm.
Specific Weight
Kg.
Specification
RCCP1800190600018170AWWA C300
RCCP2500220425020370AWWA C300
RCCP3000330350030810AWWA C300
RCCP3500330275027840AWWA C300

Reinforced Concrete Pipe (Jacking Installation)

Type Inside diameter
mm.
Thickness
mm.
Nominal Length
mm.
Specific Weight
Kg.
Specification
PJ120014430004560ASTM C76
BS 5911/120
PJ140021030007965ASTM C76
BS 5911/120
PJ150016030006260ASTM C76
BS 5911/120
PJ180021030009950ASTM C76
BS 5911/120
PJ2500280250015280ASTM C76
BS 5911/120
PJ3200380200021370ASTM C76
BS 5911/120
PJ3400280200016190ASTM C76
BS 5911/120

Precast Concrete Manhole

Type Inside diameter
mm.
Thickness
mm.
Nominal Length
mm.
Type Specification
MH1200130As RequestedType AASTM C478
MH1500150As RequestedType AASTM C478
MH1800190As RequestedType BASTM C478
MH2250280As RequestedType BASTM C478

Other diameters can be fabricated upon request.

Typical Detail for

Pipes’ Wall Cross-Sections Typical

Manholes’ Wall Cross-Sections