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• What it connects to:

• ● One side of this 4" x 3" Type DR will connect to a 4" Male Camlock.
• ● The other side of this adapter will thread into a 3" Male NPT Thread.

• How the Adapter Works:

• ● To connect, slide the 4" Female portion over a 4" Male Camlock Adapter and then close the Cam arms.
• ● To disconnect, open the Cam Handles and remove Adapter.

• Description:
• ● 4" Female Cam and Groove Coupler x 3" Female NPT Thread.
• Uses:
• ● Used to reduce the size of the Female Thread of a 4" Type D Female Coupler from 4" down to 3".
• ● Used when increasing or reducing the pipe line size from 3" to 4".
• ● This Adapter Allows a 4" Male Camlock to connect with a 3" male Thread.
• What it does:
• ● The camlock portion will connect to a 4" Male Adapter.
• ● The threaded portion will connect to a 3" Male NPT Thread.
• Also Known as a:
• ● Cam and Groove Type D Jump Size 4" Coupler x 3" Female NPT.
• ● Type DR Reducer 4" Female Camlock x 3" Female NPT.
• ● 4" x 3" Type DR Camlock Reducer. 
• ● 4" x 3" Reducing Type D.
• Alternate Options:
• ● A Type D with smaller threads can be made using a 4" Type D and a 4" x 3" Reducing Bushing.
• ● This part can also be formed by using a 4" Type B and a 4" x 3" Bell Reducer.
• Material:
• ● Aluminum

Specifications: