Our Products

Our standard neck mountings are shown here. They can also
be manufactured with angle-cut ends for mounting to curved
tanks. Options such as chain anchors, vents and weld flanges
are available by special order.

Mounting must be ordered with neck
(except for aluminum tank flange)
Neck is welded, brazed, or soldered to mounting
Internal Pipe Thread (a half coupling) available
in steel only
Straight Extension Tube available in steel or stainless steel
Tube end can be cut at an angle for mounting to tanks at an angle
Aluminum Tank Flange available internal threaded
for mounting 300 Series necks to aluminum tanks
(can be ordered with neck, or separately)

Our high quality, precision-fabricated caps provide
excellent performance for a variety of fluid systems.

For use with water, fuel, oil and hydraulic applications
Heavy-duty locking cup and diaphragm
20 gauge (.036 in) steel or stainless steel cover and cup
300 Series caps pressure tested to 10 psi

Our attractive 700 Series provides a variety of labeled caps with an excellent performance history.

For use with diesel fuel, gasoline, oil and
hydraulic applications
Heavy-duty locking cup and diaphragm
Has ASTM A2000 rubber sealing gasket
700 Series caps pressure tested to 10 psi

Our premium quality caps offer rugged, effective performance for a variety of heavy-duty fluid systems.

For use with locomotive, heavy-duty off-highway and industrial applications
Stainless steel pressure spring
Non-corrosive brass composition
16 gauge (.060") steel or stainless steel cover
400 Series caps are pressure tested at manufacture
Includes standard 12" stainless link safety chain

Our premium quality 600 Series caps offer excellent performance
for heavy-duty high volume fluid systems.

For use with fuel and other fluid tank closures
18 gauge (.048 in) steel or stainless steel shell
Lock tab or key lock option available for loss protection
Large opening for fast filling

Our standard neck mountings are shown here. They can also be manufactured with angle-cut ends for mounting to curved tanks. Options such as hasp style lock latches, vents, overflow tubes and round weld flanges are available by special order.

Mounting must be ordered with neck because neck is welded, brazed, or soldered to mounting
Internal Pipe Thread (a half coupling) available in steel only
Straight Tube extension is available in steel and stainless steel
Straight Tube end can be cut at an angle for mounting to tanks at an angle
Flanged Neck available in steel only
Flanged Tube mounting available in steel only, flange welded to tube OD at desired location

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

300 Series Filler Neck Strainers
Our 300 Series strainers mount inside our 300 Series necks to protect the fluid quality for your system.

For use with 300 Series necks and mountings
22 gauge (.030 in) perforated steel or stainless steel
Standard .062 diameter holes on .094 in staggered centers,
134 holes per sq. in. provides 41% open area
Filtration enhancements available:
- 40 x 40 mesh (.010 in. diameter wire)
stainless wire cloth; 381 micron filtration
- 100 x 90 mesh (.0045 in. diameter wire)
stainless wire cloth; 127 micron filtration

300 Series Filler Necks
We produce our 300 Series necks with the same high quality materials and precision as our caps to exactly match your fluid reservoir requirements.

For use with 300 Series caps
For use with water, fuel, oil and hydraulic applications
16 gauge (.060 in) steel, stainless steel or aluminum
Available with mountings and strainers

We produce our 600 Series necks with the same high quality materials and precision as our caps, to exactly match your fluid reservoir requirements.

For use with all 600 Series Caps
0.095" wall tubing with external cams welded in place
Non-corrosive aluminum and stainless steel components available
Optional lock tab prevents accidental loss or theft
Available strainers and a variety of mountings