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Male BSPP straight thread pipe unions connect female BSP straight thread pipe ends. They require Dowty washers (sold separately) to seal. Dowty washers are available in 316 SS with Fluorocarbon FKM seals only.
Pipe fitting male BSPP union
SAE Straight Thread Union
Unit of Measure
1 

Part #

CAD

Body Material

Connection 1 - Type

Connection 1 - Size

Connection 2 - Type

Connection 2 - Size

End Connection Type

12GCU-BSPP-M N/A CAD Icon (for items table) N/A Alloy 400 N/A Male BSPP N/A 3/4-14 N/A Male BSPP N/A 3/4-14 N/A Male British Standard Pipe Parallel
16GCU-BSPP-M N/A CAD Icon (for items table) N/A Alloy 400 N/A Male BSPP N/A 1-11 N/A Male BSPP N/A 1-11 N/A Male British Standard Pipe Parallel
4GCU-BSPP-M N/A CAD Icon (for items table) N/A Alloy 400 N/A Male BSPP N/A 1/4-19 N/A Male BSPP N/A 1/4-19 N/A Male British Standard Pipe Parallel
6GCU-BSPP-M N/A CAD Icon (for items table) N/A Alloy 400 N/A Male BSPP N/A 3/8-19 N/A Male BSPP N/A 3/8-19 N/A Male British Standard Pipe Parallel
8GCU-BSPP-M N/A CAD Icon (for items table) N/A Alloy 400 N/A Male BSPP N/A 1/2-14 N/A Male BSPP N/A 1/2-14 N/A Male British Standard Pipe Parallel
12GCU-BSPP N/A CAD Icon (for items table) N/A 316 SS N/A Male BSPP N/A 3/4-14 N/A Male BSPP N/A 3/4-14 N/A Male British Standard Pipe Parallel
16GCU-BSPP N/A CAD Icon (for items table) N/A 316 SS N/A Male BSPP N/A 1-11 N/A Male BSPP N/A 1-11 N/A Male British Standard Pipe Parallel
4GCU-BSPP N/A CAD Icon (for items table) N/A 316 SS N/A Male BSPP N/A 1/4-19 N/A Male BSPP N/A 1/4-19 N/A Male British Standard Pipe Parallel
6GCU-BSPP N/A CAD Icon (for items table) N/A 316 SS N/A Male BSPP N/A 3/8-19 N/A Male BSPP N/A 3/8-19 N/A Male British Standard Pipe Parallel
8GCU-BSPP N/A CAD Icon (for items table) N/A 316 SS N/A Male BSPP N/A 1/2-14 N/A Male BSPP N/A 1/2-14 N/A Male British Standard Pipe Parallel
Unit of Measure
1