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5"  CAST IRON WELL SEAL FOR 5" ID Well Casing 5.563 OD 
SIMSWSWB 5X1  1" Drop Pipe and 3/4" Conduit

SIMSWSWB 5X1-1/4  1-1/4" Drop Pipe and 3/4" Con.

SIMSWSWB 5X1-1/2" Drop Pipe and 3/4" Conduit
SIMSWSWB 5X2" Drop Pipe and 3/4" Conduit
$ 44.14    BUY ON-LINE

SIMSWSWB 5-5/8"  C I WELL SEAL FOR 5-5/8" ID Well Casing 6.125" OD
SIMSWSWB 5-5/8 X  1" Drop Pipe and 3/4" Conduit
SIMSWSWB 5-5/8  1-1/4" Drop Pipe and 3/4" Conduit

$ 44.49    BUY ON-LINE

6"  CAST IRON WELL SEAL FOR 6" ID Well Casing 6.625" OD 
SIMSWSWB 6 X 1" Drop Pipe and 1" Conduit
SIMSWSWB 6 X 1-1/4" Drop Pipe and 1" Conduit
SIMSWSWB 6 X  1-1/2" Drop Pipe and 1" Conduit
SIMSWSWB 6 X  2" Drop Pipe and 1" Conduit
$ 45.16    BUY ON-LINE

8"  CAST IRON WELL SEAL FOR 8" ID Well Casing 8.50" OD 
SIMSWSWB 8 X  1" Drop Pipe and 1" Conduit
SIMSWSWB 8 X  1-1/4" Drop Pipe and 1" Conduit
SIMSWSWB 8 X  2" Drop Pipe and 1" Conduit
$ 142.00    BUY ON-LINE

Designed to provide a secure place to tie your polypropylene pump safety rope.

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Jet Pump
​Well Seal

Submersible Pump
​Well Seal - Plastic

Water well pumps that discharge through the top of the well, use a cast iron well seal that compresses a rubber seal inside the well casing, and around the outside of the pump discharge pipe. When ordering a well seal, remember that it fits inside the well casing, so your measurement should be the ID of the casing. The pipe size used from the pump up out of the well, is the size to order for the center hole. 

The well seal is placed into the top of the casing, with the pump discharge pipe through the center. The bolts that secure the two cast iron halves together are tightened to expand the rubber seal out against the well casing inside, and against the outside of the discharge pipe. There is a opening for a 1/2" vent, and an opening for your pump wire to be routed through.

5"  CAST IRON WELL SEAL FOR 5" ID Well Casing 5.563 OD 
SWS 5X1  1" Drop Pipe and 3/4" Conduit

SWS 5X1-1/4  1-1/4" Drop Pipe and 3/4" Con.

SWS 5X1-1/2" Drop Pipe and 3/4" Conduit
SWS 5X2" Drop Pipe and 3/4" Conduit
$ 34.25    BUY ON-LINE

5-5/8"  CAST IRON WELL SEAL FOR 5-5/8" ID Well Casing 6.125" OD
SWS 5-5/8 X  1" Drop Pipe and 3/4" Conduit
SWS 5-5/8  1-1/4" Drop Pipe and 3/4" Conduit

$ 38.00    BUY ON-LINE

6"  CAST IRON WELL SEAL FOR 6" ID Well Casing 6.625" OD 
SWS 6 X 1" Drop Pipe and 1" Conduit
SWS 6 X 1-1/4" Drop Pipe and 1" Conduit
SWS 6 X  1-1/2" Drop Pipe and 1" Conduit
SWS 6 X  2" Drop Pipe and 1" Conduit
$ 38.00    BUY ON-LINE

6-1/4"  CAST IRON WELL SEAL FOR 6-1/4" ID Well Casing 6.75" OD 
SWS 6-1/4 X  1" Drop Pipe and 1" Conduit
SWS 6-1/4 X  1-1/4" Drop Pipe and 1" Conduit
SWS 6-1/4 X  1-1/2" Drop Pipe and 1" Conduit
SWS 6-1/4 X  2" Drop Pipe and 1" Conduit
$ 38.00     BUY ON-LINE

6-1/2"  CAST IRON WELL SEAL FOR 6-1/2" ID Well Casing
7" OD 
SWS 6-1/2 X  1" Drop Pipe and 1" Conduit
$ 89.25     BUY ON-LINE

8"  CAST IRON WELL SEAL FOR 8" ID Well Casing 8.50" OD 
SWS 8 X  1" Drop Pipe and 1" Conduit
SWS 8 X  1-1/4" Drop Pipe and 1" Conduit
SWS 8 X  2" Drop Pipe and 1" Conduit
$ 138.00    BUY ON-LINE

10"  CAST IRON WELL SEAL FOR 10" ID Well Casing
10.75" OD
SWS 10 X  2" Drop Pipe and 1" Conduit
$ 199.00    BUY ON-LINE

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An U.S.A. Corporation

+1-303-424-3551

A Denver Winpump Company
AermotorParts.com ,  BerkeleyPumpParts.com ,  DBSEnvironmentalSupply.com ,  ​DenverWinpump.com ,  Downloadable Catalog

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​800-621-4291

SWS 2X1  2"  CAST IRON WELL SEAL FOR 2" ID Well Casing  2.375" OD 1" Drop Pipe - No Conduit
$ 20.03     BUY ON-LINE

SWS 3X1  3"  CAST IRON WELL SEAL FOR 3" ID Well
Casing  3.5" OD 1" Drop Pipe - No Conduit
$ 20.03     BUY ON-LINE

4"  CAST IRON WELL SEAL  FOR 4" ID Well Casing 4.50" OD 
SWS 4X1  ​1" Drop Pipe and 3/4" Conduit

SWS 4X1-1/4  ​1-1/4" Drop Pipe and 3/4" Conduit
SWS 4X2  ​2" Drop Pipe and 3/4" Conduit 
​$ 22.50     BUY ON-LINE

4-1/2"  CAST IRON WELL SEAL FOR 4-1/2" ID Well Casing
4.95" OD
SWS 4-1/2  1" Drop Pipe and 3/4" Conduit
SWS 4-1/2  1-1/4" Drop Pipe and 3/4" Conduit
​$ 32.75    BUY ON-LINE

water well seals

Submersible Pump
​Well Seal

Submersible Pump
​Well Seal with Bolt

Double hole cast iron well seals are used with jet pumps to provide access for two pipes going down to a jet pump deep well ejector package. Normal configuration is to have a 1" pipe size and a 1-1/4" pipe size hole for the pipe. We stock some sizes in 1" for both holes.
Double hole well seal designation     1-1/4" x 1" = A          1" x 1" = B

4" PLASTIC WELL SEAL  FOR 4" ID Well Casing 4.50" OD 
40ABSA  1" Drop Pipe and 3/4" Conduit 
40ABSB  1-1/4" Drop Pipe and 3/4" Conduit                           $ 20.25     BUY ON-LINE

​4" CAST IRON DOUBLE HOLE WELL SEAL FOR USE WITH 4" ID Well Casing 4.5" OD for jet pump deep well installation. Stocked both 1-1/4" x 1" and 1" x 1" size. Split seal.
40CIDHA  1-1/4"x1"
​40CIDHB ​ 1" x 1"
$ 22.00     BUY ON-LINE

4-1/2" CAST IRON DOUBLE HOLE WELL SEAL FOR USE WITH 4-1/2" ID Well Casing 4.95" OD for jet pump deep well installation. Stocked for 1-1/4" x 1" Split seal.
45CIDHA 1-1/4"x1"
$ 86.25     BUY ON-LINE

5" CAST IRON DOUBLE HOLE WELL SEAL FOR USE WITH 5" ID Well Casing 5-563" OD for jet pump deep well installation. Stocked for 1-1/4" x 1" Split seal.
50CIDHA 1-1/4"x1" JWS5X1-1/4X1

$ 34.00     BUY ON-LINE

5-5/8" CAST IRON DOUBLE HOLE WELL SEAL FOR USE WITH 5-5/8" ID Well Casing 6.125" OD for jet pump deep well installation. Stocked for 1-1/4" x 1" Split seal.
56CIDHA 1-1/4"x1" JWS55/8X11/4X1
$ 35.75      BUY ON-LINE

6" CAST IRON DOUBLE HOLE WELL SEAL FOR USE WITH 6" ID Well Casing 6.625" OD for jet pump deep well installation. Stocked for 1-1/4" x 1" Split seal.
60CIDHA 1-1/4"x1"  JWS6X1-1/4X1
$ 36.50      BUY ON-LINE​

6-1/4" CAST IRON DOUBLE HOLE WELL SEAL FOR USE WITH 6-1/4" ID Well Casing 6.75" OD for jet pump deep well installation. Stocked for 1-1/4" x 1" Split seal.
62CIDHA 1-1/4"x1"
$ 36.50      BUY ON-LINE

Cast Iron Well Seals Have An Estimated Load Limit of 2500#. For Loads In Excess Of That Amount Call For Pricing On Steel Well Seals.

SIMSWSWB 3X1  3"  CAST IRON WELL SEAL FOR 3" ID Well
Casing  3.5" OD 1" Drop Pipe - No Conduit
 $ 27.21     BUY ON-LINE

4"  CAST IRON WELL SEAL  FOR 4" ID Well Casing 4.50" OD 
SIMSWSWB 4X1  ​1" Drop Pipe and 3/4" Conduit

SIMSWSWB 4X1-1/4  ​1-1/4" Drop Pipe and 3/4" Conduit
SIMSWSWB 4X2  ​2" Drop Pipe and 3/4" Conduit  (Special Order)
$ 28.38     BUY ON-LINE

4-1/4"  C I WELL SEAL FOR 4-1/4" thru 4-1/2" ID Well Casing 4.95" OD
SIMSWSWB 4-1/2  1" Drop Pipe and 3/4" Conduit
SIMSWSWB 4-1/2  1-1/4" Drop Pipe and 3/4" Conduit
​$ 34.00    BUY ON-LINE