Slice Gate Valves

aka Knife Gate Valves

ABS and PVC slice gate valves are a reliable alternative to standard turn to close plastic gate valves. Their three-piece configuration allows for easy service or enables them to be used as a union. When you want only the best, PlumbingSupply.com® is your source for thousands - 40,000 and counting - of plumbing-related products!

Common Terms and Definitions
  • C, SWT, S or Socket: A regular hub or socket. The pipe fits (sweats/solders) inside this
  • S x S: Regular hub or socket on both ends
  • Mips: Male pipe threads on the outside of fitting
  • Fips: Female pipe threads on the inside of fitting
  • FTG: The same size as the pipe. Will fit inside a socket (hub) fitting
  • Hyset: Has a nailing flange on the front of the fitting
  • Dropear: Has a nailing flange on the back of the fitting
  • Nominal: Used to describe copper pipe and fittings in plumbing. Refers to the inside diameter of the pipe which varies by thickness of the pipe. The outside is a constant size and is always 1/8" larger than the nominal size. Example: 1/2" nominal is always 5/8" O.D.


Complete Gate Valve Assemblies - SxS


Features:
  • Easy opening and closing
  • Designed for low-pressure applications
  • Can be easily disassembled for inline servicing
  • Unique three-piece composition allows for repair or can be used as a union
  • Sizes up to 4" have plastic paddle
  • Sizes 4" and larger have stainless steel paddle
  • Click here for specifications
  • Available in white PVC or black ABS
  • Style of valve varies with size

Description Paddle ABS
(black)
PVC
(white)
Complete Gate Valve - 1 1/2"
view ABS gate valve
view PVC gate valve
Plastic $11.69 $11.68
Complete Gate Valve - 2"
view ABS gate valve
view PVC gate valve
Plastic $18.43 $18.59
Complete Gate Valve - 3"
view ABS gate valve
view PVC gate valve
Plastic $21.95 $21.74
Complete Gate Valve - 4" Stainless Steel -- $81.19
Complete Gate Valve - 6" Stainless Steel -- $256.05
Complete Gate Valve - 8" Stainless Steel -- $318.16
Complete Gate Valve - 10" Stainless Steel -- $554.66
Complete Gate Valve - 12" Stainless Steel -- $607.03

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Replacement Flanges for Slice Gate Valves


example of a replacement PVC slip flangePVC slip flange
image of a replacement female threaded ABS slice gate valve flangeABS female threaded flange

view an example of the back of the PVC slip flange - note: flange may look different depending on size

Description ABS
(black)
PVC
(white)
Replacement Flange - 1 1/2" Slip $2.16 $2.11
Replacement Flange - 2" Slip $2.45 $2.24
Replacement Flange - 3" Slip $3.08 $3.22
Replacement Flange - 4" Slip -- $12.66
Replacement Flange - 6" Slip -- $83.07
Replacement Flange - 8" Slip -- $108.59
Replacement Flange - 10" Slip -- $141.44
Replacement Flange - 12" Slip -- $159.61
Replacement Flange - 1 1/2" Spigot (male slip) $1.92 $1.91
Replacement Flange - 2" Spigot $2.42 $3.53
Replacement Flange - 3" Spigot $3.00 --
Replacement Flange - 1-1/2" Fips $3.02 $3.12
Replacement Flange - 2" Fips $2.95 $2.97
Replacement Flange - 3" Fips $7.45 --
Replacement Flange - 1-1/2" Mips $2.79 $2.81
Replacement Flange - 2" Mips $4.35 $4.35
Replacement Flange - 3" Mips $5.17 --

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Replacement Valve Bodies


example of a replacement slice gate valve body kit
Shown in ABS

Includes body, two seals, four nuts, and four bolts

Description Paddle ABS
(black)
PVC
(white)
Replacement valve body kit - 1-1/2"
view 1-1/2" ABS valve kit
view 1-1/2" PVC valve kit
Plastic $12.32 $12.33
Replacement valve body kit - 2"
view 2" ABS valve kit
view 2" PVC valve kit
Plastic $15.36 $17.03
Replacement valve body kit - 3"
view 3" PVC valve kit
Plastic $24.50 $24.53
Replacement valve body kit - 2" Stainless Steel $27.33 --
Replacement valve body kit - 3"
view 3" ABS valve kit
view 3" PVC valve kit
Stainless Steel $33.94 $33.78
Replacement valve body kit - 4"
view 4" PVC valve kit
Stainless Steel -- $78.45
Replacement valve body kit - 6" or 8" Stainless Steel -- $248.45
Replacement valve body kit - 10" or 12" Stainless Steel -- $518.44

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Replacement Seals


example of a replacement seal kit for slice gate valves
Seal Kit
example of some replacement seals for slice gate valves
Seals

Seal Kit includes two seals, four nuts and four bolts
Seals are also sold individually

Description Price & Description
Replacement Seal Kit - 1 1/2" Slip $4.79
Replacement Seal Kit - 2" Slip $5.13
Replacement Seal Kit - 3" Slip $6.74
Replacement Seal ONLY - 1 1/2" $1.63
Replacement Seal ONLY - 2" $2.00
Replacement Seal ONLY - 3" $2.16
Replacement Seal ONLY - 4" $3.11
Replacement Seal ONLY - 6" and 8" $35.41
Replacement Seal ONLY - 10" and 12" $42.00

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to ABS fittings - to PVC fittings


Related Items & Accessories



Frequently Asked Questions

Q. "What is LO-V.O.C.?"
A. LO-V.O.C. cement produce significantly less amounts of "V.O.C.'s". V.O.C. stands for volatile organic compounds which are unhealthy when breathed or ingested. V.O.C.'s also diminish air quality. Please read and follow all directions carefully when applying these cements.

Q. "How do I glue ABS pipe?"
A. To glue ABS pipe, check that any cut ends are fairly straight. Remove any burrs with a knife or emery cloth and clean both pieces with a rag. Apply ABS glue to both the pipe and fitting.

Q. "What is ABS?"
A. Acrylonitrile Butadiene Styrene - it's a thermoplastic used to make molded products such as pipes/fittings.

Q. "What is PVC?"
A. Polyvinyl chloride - it is a very common thermoplastic polymer widely used in pipe systems.

Q. "How do I glue PVC pipe?"
A. To glue PVC pipe, check that any cut ends are fairly straight. Remove any burrs with a knife or emery cloth and remove any dirt with a rag. Clean pipe and fitting with an approved, listed PVC Primer. The Primer softens the plastic and allows the glue/cement to penetrate into the pipe and the fitting creating a solvent weld. Apply a liberal coat of cement to the pipe the depth of the fitting socket. Make sure entire pipe end is coated. Apply a thin coat of cement to the inside of the fitting. Avoid puddling the cement as this can cause weakening and premature failure to the pipe or fitting. Apply a second coat of cement to the pipe. Cement must be fluid. If cement surface has dried, re-coat both parts. Push pipe into fitting using a 1/4 turn motion until pipe bottoms in socket. Hold pipe and fitting together for 30 seconds to prevent pipe push-out. Allow cement to dry and cure. We believe the longer the cement is allowed to cure the stronger the cement bond with the pipe and fitting will be.

Q. "Do you offer PVC primer?"
A. We are sorry, but we have not found a brand of primer that we are confident will not leak in transit. It is highly flammable and in our opinion, too dangerous to ship.


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