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Filler Caps and Accessories

For Manufacturers of Rail Locomotives, Marine and Racing Vehicles, Liquid Processing Systems
and Storage, and Heavy Duty Off-Road, Construction, Mining, Farm and Forestry Equipment

400 Series Filler Necks  

Our premium quality Series 400 necks offer rugged, effective performance for a variety of heavy-duty, pressurized fluid systems.

For use in locomotives, heavy-duty off-highway equipment and
industrial applications
16 gauge (.060 in.) steel or stainless steel shell
Non-corrosive brass components
Stainless steel pressure spring
Includes 12-in. stainless link chain as standard
Every cap is pressure tested

Wisco Products 400 Series Filler Necks
Wisco Products 400 Series Filler Neck dimensions
 
Style Material Plating Lock Latch
(option)
Overflow Hole
(option)
Overflow
Connections (option)
Strainer Ring
(option)
 
425
Standard
Series 400 Filler Neck diagram
.PDF |  .DWG
 
Brass

Steel

Stainless
Steel
 
Zinc,
Clear

Zinc,
Yellow
 
Neck Mounted
Series 400 Filler Neck Hasp Lock - neck mounted diagram

Flange Mounted
Series 400 Filler Neck Hasp Lock - flange mounted diagram

(ref. Mountings
page)
 
1/4" Overflow
Hole
(not extruded)
Series 400 Filler Neck with 1/4 inch overflow hole diagram
(also available as
an extruded option)

3/8" Overflow
Extruded Hole
Series 400 Filler Neck with 3/8 inch overflow hole diagram

1/2" Overflow
Extruded Hole
Series 400 Filler Neck with 1/2 inch overflow hole diagram

Filtered Vent
(46 micron,
stainless
sintered disk)
Series 400 Filler Neck with filtered overflow vent diagram
 
 
3/8" OD x 1.75" L.
Straight .065 wall Tube
Series 400 Filler Neck with 3/8 inch diameter overflow tube diagram


1/2" OD x 1.75" L.
Straight .065 wall Tube
Series 400 Filler Neck with 1/2 inch diameter overflow tube diagram


3/8" NPTF
Coupler
Series 400 Filler Neck with 3/8 inch NPTF overfow coupler diagram


Custom overflow tube
connections available
upon request
 
Order this option
when a strainer
will be used
Series 400 Filler Neck Strainer Ring diagram

(strainer Ring
is welded
inside neck)