Home » Fittings » DUCTILE IRON FITTINGS » 300LBS NPT THREAD

Black Class 300 Fittings (black malleable iron fittings) are used to make connections to black iron pipe. Black fittings derive their name from the black oxide scale covering the surface.

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Fitting Variations
  • 15MM
  • 20MM
  • +6

D.I 300LBS Black 45° Elbow

RM13.44 – RM180.00
The 45° elbow is connecting two pipes with the same dimension, which can change the direction of the pipe to turn 45 degrees.
Dimensions Pressure
15MM ~ 80MM 500PSI
MECH - Class 300 Ductile Iron Pipe Fittings
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Fitting Variations
  • 15MM
  • 20MM
  • +6

D.I 300LBS Black 90° Elbow

RM8.16 – RM172.80
90°elbow, connecting two pipes with the same sizes, can change the direction of the pipe to a 90-degree turn.
Dimensions Pressure
15MM ~ 80MM 500PSI
MECH - Class 300 Ductile Iron Pipe Fittings
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Fitting Variations
  • 15MM
  • 20MM
  • +6

D.I 300LBS Black Equal Tee

RM11.52 – RM153.60
Tee, connecting the main pipe, leading to one branch, distributes the flow in the main pipe and the branch pipe.
Dimensions Pressure
15MM ~ 80MM 500PSI
MECH - Class 300 Ductile Iron Pipe Fittings
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Fitting Variations
  • 15MM
  • 20MM
  • +7

D.I 300LBS Black Equal Socket

RM6.24 – RM144.00
The socket fittings can make parallel connection of two pipes with the same nominal diameter.
Dimensions Pressure
15MM ~ 80MM 500PSI
MECH - Class 300 Ductile Iron Pipe Fittings
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Fitting Variations
  • 15MM
  • 20MM
  • +6

D.I 300LBS Black Nipple

RM8.16 – RM96.00
The nipple is can connect two pipe joints of the same nominal diameter to make the pipe in parallel connection.
Dimensions Pressure
15MM ~ 80MM 500PSI
MECH - Class 300 Ductile Iron Pipe Fittings
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Fitting Variations
  • 15MM
  • 20MM
  • +5

D.I 300LBS Black Plug

RM6.72 – RM45.60
The plug plays a sealing role to plug the unnecessary orifices in the pipeline system.
Dimensions Pressure
15MM ~ 65MM 500PSI
MECH - Class 300 Ductile Iron Pipe Fittings
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Fitting Variations
  • 20MM
  • 25MM
  • +5

D.I 300LBS Black End Cap

RM10.08 – RM96.00
Cap, with female thread, is used at the end of the pipe for the sealing of the pipe.
Dimensions Pressure
20MM ~ 80MM 500PSI
MECH - Class 300 Ductile Iron Pipe Fittings
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Fitting Variations
  • 25MM
  • 32MM
  • +4

D.I 300LBS Black Union Coupling

RM39.84 – RM259.20
Union is a fitting with a three-dimensional polygon design. It connects two pipes of the same size and is easy to install and replace.
Dimensions Pressure
25MM ~ 80MM 500PSI
MECH - Class 300 Ductile Iron Pipe Fittings
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Fitting Variations
  • 20MM X 15MM
  • 25MM X 15MM
  • +22

D.I 300LBS Black Bush

RM8.16 – RM96.00
Outside hex bushing connects two pipes of different sizes. One end is the male thread, the other side is the female thread.
Dimensions Pressure
20MMx15MM ~ 80MMx65MM 500PSI
MECH - Class 300 Ductile Iron Pipe Fittings
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Fitting Variations
  • 20MM X 15MM
  • 25MM X 15MM
  • +11

D.I 300LBS Black Reducing Elbow

RM15.84 – RM172.80
The reducing 90° elbow can connect two pipe joints of the different nominal diameter to make the pipe can be turned 90 degrees.
Dimensions Pressure
20MMx15MM ~ 65MMx50MM 500PSI
MECH - Class 300 Ductile Iron Pipe Fittings
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Fitting Variations
  • 20MM X 15MM
  • 25MM X 15MM
  • +18

D.I 300LBS Black Reducing Tee

RM20.16 – RM264.00
Reducing tee is used for the connection of the straight line of the pipeline to change the direction of the pipeline. Connect three different threaded tubes.
Dimensions Pressure
15MM ~ 65MM 500PSI
MECH - Class 300 Ductile Iron Pipe Fittings
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Fitting Variations
  • 20MM X 15MM
  • 25MM X 15MM
  • +21

D.I 300LBS Black Reducing Socket

RM12.00 – RM105.60
The reducing socket can connect two pipe joints of the different nominal diameter to make the pipe in parallel connection.
Dimensions Pressure
20MMx15MM ~ 80MMx65MM 500PSI
MECH - Class 300 Ductile Iron Pipe Fittings

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