Welcome to Noble International LLC
 
     
 

Products

Noble International LLC offers high quality water products like DI pipes, fittings, flanges and valves for different applications: water, wastewater and sewage. Our range of products includes: Gate Valves, Butterfly Valves and Air Relief Valves. They are manufactured with zero defects, ensuring that they meet customer requirements and conform to stringent quality standards such as DIN, ISO and BS, and are approved by Ministry of Regional Municipalities, Environment and Water Resources.

For more information on our activities, click on the following links.

• DI Pipes
• DI Fittings
• DI Valves

 

 

DI Pipes

SMS Centrifugally Cast Ductile Iron Pipes are in compliance with the following standards: 
 


 
 

Ductile Iron Pipes

ISO 2531:1998

Ductile iron pipes, fittings, accessories and their joints

EN 545:2002

Ductile iron pipes, fittings, accessories and their joints for water pipelines

EN 598:1994

Ductile iron pipes, fittings, accessories and their joints for sewerage application

Coatings and Linings

ISO 8179-1:1995

Ductile iron pipes - External zinc coating - Part 1: Metallic zinc with finishing layer

ISO 4179:1985

Ductile iron pipes for pressure and non-pressure pipelines - Centrifugal cement mortar lining

ISO 8180:1985

Ductile iron pipes - Polyethylene sleeving

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DI Fittings

 

Standards: ISO 2531, BS4772 or DIN 28604-48

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Valves

For more information on our activities, click on the following links.
• Butterfly valves
• Gate valves
• Air Relief valves

 

Butterfly Valves

Size:

DN150 mm to DN3000 mm

Face to face dimensions:

DIN 3202 F4 or BS 5155 short body

Flanges:

DIN 2501, ISO 2531 and BS4504

Valve Testing:

DIN 50049

Pressure class:

PN 6, 10, 16 & 25

Valve materials 

Body:

Ductile Cast Iron, GGG40 or 50, DIN1693

Cover:

Ductile Cast Iron, GGG40 or 50, DIN1693

Ball:

Rubber lined steel ball

Body seats:

Bronze

Gate:

Rubber lined ductile cast iron, GGG40, DIN1693

Shaft:

Stainless steel, X20Cr13, BS 970 Part 431S29, ASTM A 582 420

Shaft sealing:

O-ring

Hand wheel:

Ductile Cast Iron, GGG40 or 50, DIN1693

Coating & lining:

Epoxy paint

Gate Valves

Size:

DN40 mm to DN600 mm

Face to face dimensions:

BS 5163, DIN 3352 4A and 4B, DIN 3202 F4 & F5

Flanges:

DIN 2501, ISO 2531 and BS4504

Pressure class:

PN 10, 16 & 25

Valve materials 

Body:

Ductile Cast Iron, GGG40 or 50, DIN1693

Cover:

Ductile Cast Iron, GGG40 or 50, DIN1693

Cap:

Bronze, GCuSn5Zn5Pb5 for DN40 – DN200 DI, GGG40 or GGG50 (DIN 1693) for DN40-DN200

Gate:

Rubber lined ductile cast iron, GGG40, DIN1693 Bronze, GCuSn5Zn5Pb5 for DN40 – DN200 EPDM or NBR lined for all diameters (EN 681.1)

Stem:

Stainless steel, X20Cr13 (DIN 17440, ASTM A473, AISI420)

Stem nut:

Bronze, GcuSN5ZnPb5 (Integral part of gate for DN40-50)

Thrust collar:

Bronze, GcuSN5ZnPb5, replaced by roller bearing for bigger than DN250

Stem sealing:

NBR wiper ring against dust, double NBR O-rings seated in cap

Bonnet sealing:

NBR O-ring between cap and bonnet, NBR gasket between bonnet and body

Cap and bonnet bolts:

Zinc coated 8.8 quality steel, optional stainless steel

Hand wheel:

Pressed steel, Cast Iron

Coating & lining:

Double fusion bonded, powder sprayed epoxy paint, suitable for potable water, min. 250 microns DFT

Air Relief Valves 

Diameter range:

DN 50-300

Flanges:

ISO 2531, DIN 2501

Pressure Class:

PN10, PN16, PN25 and PN40

Hydraulic Test:

BS 6755

Valve materials 

Body:

Ductile Cast Iron, GGG40 or 50, DIN1693

Cover:

Ductile Cast Iron, GGG40 or 50, DIN1693

Ball:

Rubber lined steel ball

Body seats:

Bronze

Gate:

Rubber lined ductile cast iron, GGG40, DIN1693

Shaft:

Stainless steel, X20Cr13, BS 970 Part 431S29, ASTM A 582 420

Shaft sealing:

O-ring

Hand wheel:

Ductile Cast Iron, GGG40 or 50, DIN1693

Coating & lining:

Epoxy paint

 
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