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The Best 3 4 Inch Isolation Valve of 2025 – Reviews & Buying Guide

After hours researching and comparing all models on the market, we find out the Best 3 4 Inch Isolation Valve of 2025. Check our ranking below.

2,603 Reviews Scanned

Rank No. #1
NIBCO LD-2000-3 Series Ductile Iron Butterfly Valve with EPDM Liner and Aluminum Bronze Disc, Lever-Lock Handle, Lug, 4"
  • 200 PSI/13.8 bar non-shock cold working pressure
  • Molded-in seat liner eliminates leakage between body and liner as in cartridge or boot type liners
  • End of line service at 200 PSI with no downstream flange
  • Geometric drive
  • Compatible with Pipe Flange Classes: Class 125, Class 150
Rank No. #2
Midline Valve Press Isolation Valve with Rotating Flange and Purge,3/4", Brass (6 Pack)
  • Function: Isolation Valve Allows for Isolating, Servicing, or Replacing Parts of Piping System without Taking the WHole System Apart
  • Easy Installation: Rotating outer Flange Allows 360° Motion
  • Superior Quality: Heavy Duty Rust Resistant Brass Body Ensures Maximum Reliability and PerFormance
  • HASSLE Free: Valve Kit Includes Required Gaskets and Nuts
  • Specifications: Press Ends Comply with ANSI.B.20.1, ANSI.B.16.18. MAX Pressure 600 PSI WOG 150 PSI WSP, PTFE Seats and Seals.
Rank No. #3
Oatey 39223 500 Stack DFU Capacity Straight PVC Schedule 40 Adapter Air Admittance Valve, 3 in. – 4 in. 160 Branch, Black/White
  • Complies to ASSE Standard 1050 and 1051
  • For use as a secondary vent
  • One size approved to handle up to 4" vent pipe
  • Opens/closes as needed by building's plumbing system
  • ? Rated 500 DFU?s for venting DWV 4? and smaller
SaleRank No. #4
Banjo V400 Polypropylene Ball Valve, Three Piece, Standard Port, 4" NPT Female
  • Price For: Each Seat Material: PTFE Handle Material: Polypropylene Ball Valve Basic Body Material: Plastic Ball Valve Product Group: Manual Body Material: Polypropylene Stem Material: Polypropylene Item: Ball Valve Connection Type: FNPT x FNPT Ball Material: Polypropylene Handle Type: Lever Max. Pressure: 75 psi CWP Pipe Size: 4" Port: Standard Body Style: Inline
  • Temp. Range: Up to 150 Degrees F Stem Type: Self-Lubricating Body Seal Material: FKM Valve Structure: 3-Piece Country of Origin (subject to change): United States
Rank No. #5
NIBCO Fig No GD-4765-3, 4 in. Ductile Iron Butterfly Valve, Grooved, 300 PSI, Grooved
  • Maximum service temperature 140°F
  • EPDM encapsulated ductile iron disc
Rank No. #8
NIBCO Fig No LD-3122-3, 4 in. Ductile Iron Butterfly Valve, Lug Type, 250 PSI
  • 250 PSI/17.2 bar non-shock cold working pressure
  • Molded-in seat liner eliminates leakage between body and liner as in cartridge or boot type liners
  • End of line service at 250 PSI with no downstream flange
  • Geometric drive
  • Compatible with Pipe Flange Classes: Class 125, Class 150
Rank No. #9
Banjo V300FP Polypropylene Ball Valve, Three Piece, Full Port, 3" NPT Female
  • Full port ball valve for reduced friction and better flow
  • Made of fiberglass-reinforced polypropylene for strength and resistance to chemicals
  • PTFE seats for resistance to chemicals, moisture, and high temperatures
  • Female NPT threads for connecting to male threaded pipes
  • Maximum working pressure of 100 psi and maximum temperature of 150 degrees F
Rank No. #10
NIBCO Fig No WD-2000-3, 4 in. Ductile Iron Butterfly Valve, Wafer Type, 200 PSI, Wafer
  • 200 PSI/13.8 bar non-shock cold working pressure
  • Molded-in seat liner
  • Extended neck
  • Geometric drive
  • Compatible with Pipe Flange Classes: Class 125, Class 150

Last update on 2025-11-25 / Affiliate links / Images from Amazon Product Advertising API

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We provide an 3 4 Inch Isolation Valve buying guide, and the information is totally objective and authentic. We employ both AI and big data in proofreading the collected information. How did we create this buying guide? We did it using a custom-created selection of algorithms that lets us manifest a top-10 list of the best available 3 4 Inch Isolation Valve currently available on the market.

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