Fiberglass Utility Supplies, Inc.

PATENT No. 4,678,367 U.S.A.  and No. 1,281,909 CANADA

Available in 4” - 24” pipe sizes

DOS-IR® Products are patented in the U.S.A. No. 4,678,367 and CANADA No. 1,281,909

A fiberglass shell encases a polyethylene center plate with adjustable slide doors covering a customized series of openings.  Specify brand of pipe needed and choice of center design when ordering.

DOS-IR® Valve

Available in 4” - 36” pipe sizes

Applications:  Canal Irrigation Turn-Out Control; Culvert Pipe Entrance  Shut-off Valve.

Specify brand of pipe needed when ordering.

DOS-IR® Turn-Out Gate

Available in 4” - 48” pipe sizes

Designed to provide a shut-off on the discharge end of pipes to prevent floodwater entering through culverts in dikes and levees.

Specify brand of pipe needed when ordering.

DOS-IR® Flap Gate

Available in 4” - 36” pipe sizes

Combination turn-out gate and flap gate.  Application:  Used on inlet end of pipe that would drain a pond, ox-bow, or bayou into a river or large stream.

Specify brand of pipe needed when ordering.

DOS-IR® Turn-a-Flap

Available in 4” - 36” pipe sizes

Applications: Livestock waste pits; finished water storage; storm water separation; fish rearing ponds, storm water detention.

Specify brand of pipe needed and length of guides.

DOS-IR® In-Tank Turn-Out Gate

Available in 4” - 24” pipe sizes.

Application: Fastened to the end of a culvert for a professionally finished area.       Also available with Slide or Flap Gate attached.  Specify brand of pipe needed when ordering.

DOS-IR® Open-Ended Culvert with Flare

DOS-IR® Product List

To contact us call:                                  1-641-693-3311
<TD>valve</TD>

Stop Gate Center; Standard Center; Drain Only Center
<TD>Turn-Out</TD><TD>Flap Gate</TD><TD>Turn-a-Flap</TD><TD>In-Tank</TD>

Choices: Open Ended, with Turn-Out Gate, with Flap Gate
<TD>Turn-Out</TD><TD>valve</TD><TD>flare</TD>