Unit=mm
jbF Products Measuring
Point
Nominal size
1/8"`3/8" 8A`10A
1/2"`3/4"
15A`65A
1"`3"
80A`200A
4"`6"
250A`300A
Pipe Fittings
Headers
Joint-headers
Mul-Tees
Outside
diameter at end
(OD)
}0.1mm }1%
Wall thickness at end
(T)
 
Either bigger}0.2mm or }10%
BA and EP which is Manual weld typeF}20%
Straight end length
(C)
+ Not specified
- 0.4mm
Thinning length
(J)
+ Not specified
- 0
Elbow
D-elbows
 
Minimum thickness other than end -35%  
Over tube Inside diameter at end
(ID)
 
}0.2mm 
Elbows
D-elbows
Tees
J-Tees
D-Tees
Headers
J-headers
Mul-tees
Center to end
iA,B,C,M)
}0.8mm }1.6mm }2.4mm
Clean laps
Pipe flanges
Length
(FF,FP)
}0.8mm }1.6mm }2.4mm
Caps
180Return bends
Back to end
(E,BH)
}0.8mm }3.2mm
Reducers
Cap-reducers
J-reducers
J-caps
Outside-diameter-changeable fittings
Wall-thickness-changeable fittings
Over tube
Over all length
(H,Q,L)
}0.8mm }1.6mm }2.4mm
Clean laps Thickness of lap (t) -
10A + 1.6mm
- 0mm
Diameter of lap (G) -
10A + 0mm
- 0.8mm
+ 0mm
- 1.6mm
Headers
J-Headers
Mul-tees
Length of end
(EL)
}1.6mm
Branch pitch
(P)
}1.6mm }2.4mm
Total length
(L)
}2.5mm
Helium leakage test value
iApplication for welded productsj
Measuring instrument F Ulvac HELIOT700
Detection sensitivity F 1.0~10-8PaEm3/sec
PressureEairtightness test value
iApplication for welded products/According to your requirement)
@ pressure test value F 1.5MPa(15kg/p2)
A Airtightness test value F 1.1MPa(11kg/p2)
Pressure test under higher pressure available at your option.