Butt Weld Union

Butt Weld Union

Features

High Precision CNC Machining，Ensure that the inner diameter and pipe diamensions exactly matched

Flat end, burrless，seamless joint without burr，ensure uniform pipe thickness

High purity application processing , surface finish up to 0.4 μm

Degreased for oxygen use

Dimensions

Ordering Information

Fitting Type	O.D.	Pipe Thickness	Model Number	A	D	Tx	Preset Pressure
Fractional	1/4 in. 3/8 in. 1/2 in. 3/4 in. 1 in.	0.035 in. 0.035 in. 0.049 in. 0.049 in. 0.065 in.	SL-BWU-4 SL-BWU-6 SL-BWU-8 SL-BWU-12 SL-BWU-16	1.00 in. ( 25.4 mm ) 1.00 in. ( 25.4 mm ) 1.00 in. ( 25.4 mm ) 1.00 in. ( 25.4 mm ) 1.25 in. ( 31.8 mm )	0.02 in. ( 0.51 mm ) 0.03 in. ( 0.76 mm ) 0.04 in. ( 1.00 mm ) 0.04 in. ( 1.00 mm ) 0.04 in. ( 1.00 mm )	0.29 in. ( 7.4 mm ) 0.41 in. ( 10.4 mm ) 0.55 in. ( 14.0 mm ) 0.80 in. ( 20.3 mm ) 1.06 in. ( 26.9 mm )	5100 psi ( 351 bar ) 3300 psi ( 227 bar ) 3700 psi ( 254 bar ) 2400 psi ( 165 bar ) 2400 psi ( 165 bar )
Metric	6 mm 8 mm 10 mm 12 mm 18 mm	1.0 mm 1.0 mm 1.0 mm 1.0 mm 1.5 mm	SL-BWU-6M SL-BWU-8M SL-BWU-10M SL-BWU-12M SL-BWU-18M	31.8 mm ( 1.25 in. ) 31.8 mm ( 1.25 in. ) 31.8 mm ( 1.25 in. ) 31.8 mm ( 1.25 in. ) 31.8 mm ( 1.25 in. )	0.51 mm ( 0.02 in. ) 0.76 mm ( 0.03 in. ) 0.76 mm ( 0.03 in. ) 1.00 mm ( 0.04 in. ) 1.00 mm ( 0.04 in. )	6.9 mm ( 0.27 in. ) 8.9 mm ( 0.35 in. ) 10.9 mm ( 0.43 in. ) 13.2 mm ( 0.52 in. ) 19.3 mm ( 0.76 in. )	42 MPa ( 6095 psi ) 31 MPa ( 4499 psi ) 24 MPa ( 3483 psi ) 20 MPa ( 2902 psi ) 20 MPa ( 2902 psi )