Welch Vacuum 1402 Duoseal Belt Drive User Manual
Page 20
20
Coaxial Traps
Reduces oil back streaming / Stainless steel construction / Easy Replacement of Element
ISO Size
Capacity
Diameter
Height
A2
Cat.No.1
NW16
to 4 CFM (140 L/min)
3.75
5.25
8.25
541001
Stainless Steel Element for ISO NW 16 Trap 1
541921
Stainless Steel Element for ISO NW 25 and NW 40 Traps1
541922
Cat. No.1. Element must be ordered with trap.
A2. Distance between ISO NW inlet and outlet connections
Dry Ice Cold Traps
Removable 3 quarter center well for dry ice/alcohol slurry (do not use acetone) / Visible trapping
surface
Cold temperature up to 12 hours depending on vapor / Available with straight tube connections
ISO Size
Diameter
Height
A1
I/O Offset
Cat. No
Replacement Seal
Cat. No.
Straight Tube
1/2 O.D.
10.00
8.25
10.75
3.5
1420H-14
545200
A1. Distance between ISO NW inlet and outlet connections