Shop Types of Three Way Valves

Sponsored
About our ads
$118.02
Banjo Manual Three-Way Ball Valve: 1 1/2 In, Polypropylene, L Flow, FNPT X FNPT X FNPT, Three-Piece Model: V150BL
Grainger
2
$118.02
Banjo Manual Three-Way Ball Valve: 1 1/2 In, Polypropylene, L Flow, FNPT X FNPT X FNPT, Three-Piece Model: V150BL
Grainger
$259.67
GF Piping Systems Manual Three-Way Ball Valve: 1 In, PVC, L Flow, Socket X Socket X Socket Model: 161543084
Grainger
$259.67
GF Piping Systems Manual Three-Way Ball Valve: 1 In, PVC, L Flow, Socket X Socket X Socket Model: 161543084
Grainger
$86.99
Hendrickson 3-Way Auto-Reset Valve With Fitting | 3-Way Auto-Reset Valve W/Fittings | Vs-25224
FleetPride
$86.99
Hendrickson 3-Way Auto-Reset Valve With Fitting | 3-Way Auto-Reset Valve W/Fittings | Vs-25224
FleetPride
$31.43
Manual Two-Way Ball Valve: 3/8 In, 316 Stainless Steel, Straight Valve Body, PTFE Model: 06Q201N04038
Grainger
$31.43
Manual Two-Way Ball Valve: 3/8 In, 316 Stainless Steel, Straight Valve Body, PTFE Model: 06Q201N04038
Grainger
$683.45
Edlund V051 OEM 3-Way Valve
WebstaurantStore
$683.45
Edlund V051 OEM 3-Way Valve
WebstaurantStore
$2,593.00
3 Inch ANSI Flanged Carbon Steel Air Actuated Ball Valve
Assured Automation
$2,593.00
3 Inch ANSI Flanged Carbon Steel Air Actuated Ball Valve
Assured Automation
$1,141.00
1 Inch Tri-Clamp SS Electric Actuated 3-Way Ball Valve
Assured Automation
$1,141.00
1 Inch Tri-Clamp SS Electric Actuated 3-Way Ball Valve
Assured Automation
$5,047.00
3 Inch Flanged Carbon Steel Electric Actuated 3-Way Ball Valve
Assured Automation
$5,047.00
3 Inch Flanged Carbon Steel Electric Actuated 3-Way Ball Valve
Assured Automation
$400.99
Bendix Mv-3 Series 3/8" Push To Connect Type Dash Control Valve | Mv-3 Control Module | 800259
FleetPride
$400.99
Bendix Mv-3 Series 3/8" Push To Connect Type Dash Control Valve | Mv-3 Control Module | 800259
FleetPride
$164.67
Rinnai 809000057 OEM Three Way Valve Housing Vc/O-Ring
WebstaurantStore
1
$164.67
Rinnai 809000057 OEM Three Way Valve Housing Vc/O-Ring
WebstaurantStore
$72.46
125A-3-10-20 HUMPHREY - Pneumatics & Pneumatic Valve Supplies
Radwell.com
$72.46
125A-3-10-20 HUMPHREY - Pneumatics & Pneumatic Valve Supplies
Radwell.com
$149.06
Quadrant Seal Welded 3-Way Ball Valve Stainless Steel Valves
GetPipe.com
$149.06
Quadrant Seal Welded 3-Way Ball Valve Stainless Steel Valves
GetPipe.com
$29.49
Garden Hose Splitter Full Flow, 3 Way Heavy Duty Outdoor Brass Hose Splitter With Metal Shutoff Valve And Long Handle Outdoor Faucet Diverter, 3/4"
Amazon.com
56
$29.49
Garden Hose Splitter Full Flow, 3 Way Heavy Duty Outdoor Brass Hose Splitter With Metal Shutoff Valve And Long Handle Outdoor Faucet Diverter, 3/4"
Amazon.com
$147.99
Muncie 2-Position 3-Way Power-Take Off Control Valve With Lever | Air Valve | 35M18653
FleetPride
$147.99
Muncie 2-Position 3-Way Power-Take Off Control Valve With Lever | Air Valve | 35M18653
FleetPride
$88.99
Jandy Valve 3 Port 1.5-2" CPVC 1154
PoolZoom.com
50
$88.99
Jandy Valve 3 Port 1.5-2" CPVC 1154
PoolZoom.com
$418.66
Banjo MEVX Series 1 in. 3-Way Full Port Manifold Flange Side Load Electric Valve - On/Off Style - MEVX100SL
John M. Ellsworth Co., Inc.
$418.66
Banjo MEVX Series 1 in. 3-Way Full Port Manifold Flange Side Load Electric Valve - On/Off Style - MEVX100SL
John M. Ellsworth Co., Inc.
$34.95
$65.60
John Guest® PI491616S 1/2" X 1/2" Gray Acetal Push-To-Connect Three-Way Divider
WebstaurantStore
46% off
$34.95
$65.60
John Guest® PI491616S 1/2" X 1/2" Gray Acetal Push-To-Connect Three-Way Divider
WebstaurantStore
$117.18
3/4" Brass 3 Way Electric Ball Valve - 3 Wire | Electric Solenoid Valves
Electric Solenoid Valves
$117.18
3/4" Brass 3 Way Electric Ball Valve - 3 Wire | Electric Solenoid Valves
Electric Solenoid Valves
$15.90
Luer Stopcocks 3-Way,Luer Connections,Sterile Individual Package,10Pcs
Amazon.com
132
$15.90
Luer Stopcocks 3-Way,Luer Connections,Sterile Individual Package,10Pcs
Amazon.com
$144.24
1" Brass 3 Way Electric Ball Valve - 3 Wire | Electric Solenoid Valves
Electric Solenoid Valves
$144.24
1" Brass 3 Way Electric Ball Valve - 3 Wire | Electric Solenoid Valves
Electric Solenoid Valves
$82.99
Jandy 1-1/2"-2" Neverlube Positive Seal 3-Port Diverter Valve 4715
PoolZoom.com
970
$82.99
Jandy 1-1/2"-2" Neverlube Positive Seal 3-Port Diverter Valve 4715
PoolZoom.com
$105.06
250A-3-10-20 HUMPHREY - Pneumatics & Pneumatic Valve Supplies
Radwell.com
1
$105.06
250A-3-10-20 HUMPHREY - Pneumatics & Pneumatic Valve Supplies
Radwell.com
$106.63
1/2" Brass 3 Way Electric Ball Valve - 3 Wire | Electric Solenoid Valves
Electric Solenoid Valves
$106.63
1/2" Brass 3 Way Electric Ball Valve - 3 Wire | Electric Solenoid Valves
Electric Solenoid Valves
$218.28
DGMFN-3-Y-B2W-41 EATON CORPORATION - Valves & Control Valve Supplies
Radwell.com
1
$218.28
DGMFN-3-Y-B2W-41 EATON CORPORATION - Valves & Control Valve Supplies
Radwell.com
$91.97
International Environmental Corporation B040-71159802 Zone Valve - Modulating - 3-Way - 2 Position - 1/2" Sweat - 3.0 Cv - Valves Solenoids & Fittings
Parts Town
$91.97
International Environmental Corporation B040-71159802 Zone Valve - Modulating - 3-Way - 2 Position - 1/2" Sweat - 3.0 Cv - Valves Solenoids & Fittings
Parts Town
$14.99
MEETOOT 10Pcs Disposable Medical Three Way Valve 3-Way Stopcocks With Aseptic Cock For School Projects, Hobbies DIY Experimental Research Projects
Amazon.com
17
$14.99
MEETOOT 10Pcs Disposable Medical Three Way Valve 3-Way Stopcocks With Aseptic Cock For School Projects, Hobbies DIY Experimental Research Projects
Amazon.com
$48.49
Moeller Three Way Fuel Valve, 3 Female 1/4" NPT 033302-10
wholesalemarine
57
$48.49
Moeller Three Way Fuel Valve, 3 Female 1/4" NPT 033302-10
wholesalemarine
$169.00
3-Way In-Wall Diverter Rough-In Valve - 1/2" Brass Signature Hardware
Signature Hardware
$169.00
3-Way In-Wall Diverter Rough-In Valve - 1/2" Brass Signature Hardware
Signature Hardware
$644.52
Stainless Steel 3-Way Ball Valve 2"
GetPipe.com
$644.52
Stainless Steel 3-Way Ball Valve 2"
GetPipe.com
$42.50
Waterway 2" 3-Way Valve - 2 Tone (WWP600-3039DSG-PS)
Mountain View Hearth Products
$42.50
Waterway 2" 3-Way Valve - 2 Tone (WWP600-3039DSG-PS)
Mountain View Hearth Products
$266.97
Dixon Sanitary 3-Way Industrial Stainless Steel Ball Valve - L Port - 1/2 in. - BV3IGLF0501A
John M. Ellsworth Co., Inc.
$266.97
Dixon Sanitary 3-Way Industrial Stainless Steel Ball Valve - L Port - 1/2 in. - BV3IGLF0501A
John M. Ellsworth Co., Inc.
$39.99
Multiple Tank Draw Valve, 3-Way, 1/4", NPT Female, Click Stop | By West Marine
WestMarine
$39.99
Multiple Tank Draw Valve, 3-Way, 1/4", NPT Female, Click Stop | By West Marine
WestMarine
$395.17
Dixon Sanitary Muti-Port 3-Way Sanitary Stainless Steel Ball Valves - 3/4 in. - 'T' Port - BV3SVTF075CA
John M. Ellsworth Co., Inc.
$395.17
Dixon Sanitary Muti-Port 3-Way Sanitary Stainless Steel Ball Valves - 3/4 in. - 'T' Port - BV3SVTF075CA
John M. Ellsworth Co., Inc.
$499.95
Buyers Directional Control Valve, HV13PG1ED0, 1 Spool, 3 Way Spool Action
Global Industrial
$499.95
Buyers Directional Control Valve, HV13PG1ED0, 1 Spool, 3 Way Spool Action
Global Industrial
$99.45
International Environmental Corporation B030-71308404 Zone Valve - Modulating - 3-Way - 1/2" Sweat - 1.0 Cv - Valves Solenoids & Fittings
Parts Town
$99.45
International Environmental Corporation B030-71308404 Zone Valve - Modulating - 3-Way - 1/2" Sweat - 1.0 Cv - Valves Solenoids & Fittings
Parts Town
$81.49
3 Way Valve 2"S/2 1/2"Spg (600-7100)
Inyo Pool Products
Free shipping
$81.49
3 Way Valve 2"S/2 1/2"Spg (600-7100)
Inyo Pool Products
Three-way valves: in, out and roundabout! - PAAS
Three-way valves: in, out and roundabout! - PAAS
Feb 23, 2022
paas.com.au
2-Way vs 3-Way Valves: Key Differences, Functions & Application Guide
2-Way vs 3-Way Valves: Key Differences, Functions & Applicati…
Jun 3, 2024
plumberstar.com
Types of Water Valves
Types of Water Valves
Jan 23, 2020
HOMEDEPOT
How Does a 3-Way Ball Valve Work? - XHVAL
How Does a 3-Way Ball Valve Work? - XHVAL
Nov 23, 2019
xhval.com
Understanding 5/2 and 4/2-Way Pneumatic Valves
Understanding 5/2 and 4/2-Way Pneumatic Valves
2K viewsOct 1, 2017
tameson.com
Three Way Valve
Three Way Valve
50.9K viewsNov 18, 2011
YouTubeRAVEstudio, LLC. _
How Plug Valves Work
6:24
How Plug Valves Work
77.4K viewsAug 29, 2018
YouTubesaVRee
3:43
How Gate Valves Work
249.2K viewsAug 14, 2018
YouTubesaVRee
2:20
Hydraulic Valve Basics
87K viewsDec 4, 2014
YouTubeDesign World
6:03
Directional Control Valve Basics - Part 1
972.2K viewsApr 8, 2016
YouTubeLunchBox Sessions
2:10
3 Way Control Valves
23.3K viewsAug 8, 2019
YouTubeBaelz North America
5:43
Water Distribution | Valve types
41.7K viewsMar 14, 2018
YouTubeAmerican Water College
1:19
Three-Way Air Valve Demonstration
122.3K viewsJul 16, 2013
YouTubeSTCValves
2:16
3 Way Valves
144.1K viewsSep 7, 2016
YouTubePlastic Pipe Shop Ltd
7:04
VETEC 3 2 Rotary Plug (Eccentric Plug) Valve Principle
5.2K viewsNov 27, 2020
YouTubeSAMSON Controls Inc Canada
16:05
Understanding Directional Control Valve Schematics
389.5K viewsNov 5, 2020
YouTubeKletteTech
3:54
Directional Control Valve Basics - Part 2
209.2K viewsJun 28, 2016
YouTubeLunchBox Sessions
4:30
3 Port Valves and Y Plan Heating Systems - Plumbing Tips
308.5K viewsJun 7, 2011
YouTubeplumberparts
3:42
Headhunter 3 way valve explained
1.8K viewsNov 5, 2016
YouTubeYacht Water Inc.
0:30
3/2 Directional Control Valve (DCV) Animation | Fluid Power Systems
139.3K viewsNov 24, 2018
YouTubeTinker Twins
3:05
Understanding the three-way valve
69.3K viewsJul 23, 2019
YouTubePiscines Trévi
5:29
Types of valves and uses || HVAC
11.7K viewsSep 2, 2019
YouTubeMEP Tech & Travel by SRJ
9:55
3/2 Direction Control Valves - 3/2 DCV
61.4K viewsDec 28, 2020
YouTubeBEST MECHANICAL ENGINEERING
18:12
Control Valves Types,Operation and Troubleshooting
378.4K viewsFeb 18, 2019
YouTubeTechnical Engineering School
6:09
2 Way and 3 Way control Valves for FCU
40.5K viewsOct 30, 2020
YouTubeBaba Jan
2:36
THREE WAY TEMPERATURE CONTROL VALVE - HEATING AN…
10.6K viewsMay 28, 2021
YouTubeBy Ümit Eren YILDIZ
1:49
Learn Hydraulics - 4/3 Directional control valve
211.5K viewsSep 21, 2014
YouTubeAladár Lakatos
6:43
How to Read a Spool Valve Schematic Drawing
297.4K viewsOct 14, 2019
YouTubeRealPars
3:01
Understanding Pneumatic Valve Ports & Ways at AutomationDirect
33.7K viewsAug 7, 2021
YouTubeAutomationDirect.com
11:03
How a Zone Valve Works - Hot Water Heating
370.5K viewsJan 29, 2015
YouTubeAndrew W
See more videos
Static thumbnail place holder

Shop Types of Three Way Valves

Sponsored
About our ads
$149.06
Quadrant Seal Welded 3-Way Ball Valve Stainless Steel Valves
GetPipe.com
$149.06
Quadrant Seal Welded 3-Way Ball Valve Stainless Steel Valves
GetPipe.com
$29.49
Garden Hose Splitter Full Flow, 3 Way Heavy Duty Outdoor Brass Hose Splitter With Metal Shutoff Valve And Long Handle Outdoor Faucet Diverter, 3/4"
Amazon.com
56
$29.49
Garden Hose Splitter Full Flow, 3 Way Heavy Duty Outdoor Brass Hose Splitter With Metal Shutoff Valve And Long Handle Outdoor Faucet Diverter, 3/4"
Amazon.com
$147.99
Muncie 2-Position 3-Way Power-Take Off Control Valve With Lever | Air Valve | 35M18653
FleetPride
$147.99
Muncie 2-Position 3-Way Power-Take Off Control Valve With Lever | Air Valve | 35M18653
FleetPride
$88.99
Jandy Valve 3 Port 1.5-2" CPVC 1154
PoolZoom.com
50
$88.99
Jandy Valve 3 Port 1.5-2" CPVC 1154
PoolZoom.com
$418.66
Banjo MEVX Series 1 in. 3-Way Full Port Manifold Flange Side Load Electric Valve - On/Off Style - MEVX100SL
John M. Ellsworth Co., Inc.
$418.66
Banjo MEVX Series 1 in. 3-Way Full Port Manifold Flange Side Load Electric Valve - On/Off Style - MEVX100SL
John M. Ellsworth Co., Inc.
$34.95
$65.60
John Guest® PI491616S 1/2" X 1/2" Gray Acetal Push-To-Connect Three-Way Divider
WebstaurantStore
46% off
$34.95
$65.60
John Guest® PI491616S 1/2" X 1/2" Gray Acetal Push-To-Connect Three-Way Divider
WebstaurantStore
$117.18
3/4" Brass 3 Way Electric Ball Valve - 3 Wire | Electric Solenoid Valves
Electric Solenoid Valves
$117.18
3/4" Brass 3 Way Electric Ball Valve - 3 Wire | Electric Solenoid Valves
Electric Solenoid Valves
$15.90
Luer Stopcocks 3-Way,Luer Connections,Sterile Individual Package,10Pcs
Amazon.com
132
$15.90
Luer Stopcocks 3-Way,Luer Connections,Sterile Individual Package,10Pcs
Amazon.com
$144.24
1" Brass 3 Way Electric Ball Valve - 3 Wire | Electric Solenoid Valves
Electric Solenoid Valves
$144.24
1" Brass 3 Way Electric Ball Valve - 3 Wire | Electric Solenoid Valves
Electric Solenoid Valves
$82.99
Jandy 1-1/2"-2" Neverlube Positive Seal 3-Port Diverter Valve 4715
PoolZoom.com
970
$82.99
Jandy 1-1/2"-2" Neverlube Positive Seal 3-Port Diverter Valve 4715
PoolZoom.com
$105.06
250A-3-10-20 HUMPHREY - Pneumatics & Pneumatic Valve Supplies
Radwell.com
1
$105.06
250A-3-10-20 HUMPHREY - Pneumatics & Pneumatic Valve Supplies
Radwell.com
$106.63
1/2" Brass 3 Way Electric Ball Valve - 3 Wire | Electric Solenoid Valves
Electric Solenoid Valves
$106.63
1/2" Brass 3 Way Electric Ball Valve - 3 Wire | Electric Solenoid Valves
Electric Solenoid Valves
$218.28
DGMFN-3-Y-B2W-41 EATON CORPORATION - Valves & Control Valve Supplies
Radwell.com
1
$218.28
DGMFN-3-Y-B2W-41 EATON CORPORATION - Valves & Control Valve Supplies
Radwell.com
$91.97
International Environmental Corporation B040-71159802 Zone Valve - Modulating - 3-Way - 2 Position - 1/2" Sweat - 3.0 Cv - Valves Solenoids & Fittings
Parts Town
$91.97
International Environmental Corporation B040-71159802 Zone Valve - Modulating - 3-Way - 2 Position - 1/2" Sweat - 3.0 Cv - Valves Solenoids & Fittings
Parts Town
$14.99
MEETOOT 10Pcs Disposable Medical Three Way Valve 3-Way Stopcocks With Aseptic Cock For School Projects, Hobbies DIY Experimental Research Projects
Amazon.com
17
$14.99
MEETOOT 10Pcs Disposable Medical Three Way Valve 3-Way Stopcocks With Aseptic Cock For School Projects, Hobbies DIY Experimental Research Projects
Amazon.com
$48.49
Moeller Three Way Fuel Valve, 3 Female 1/4" NPT 033302-10
wholesalemarine
57
$48.49
Moeller Three Way Fuel Valve, 3 Female 1/4" NPT 033302-10
wholesalemarine
$169.00
3-Way In-Wall Diverter Rough-In Valve - 1/2" Brass Signature Hardware
Signature Hardware
$169.00
3-Way In-Wall Diverter Rough-In Valve - 1/2" Brass Signature Hardware
Signature Hardware
$644.52
Stainless Steel 3-Way Ball Valve 2"
GetPipe.com
$644.52
Stainless Steel 3-Way Ball Valve 2"
GetPipe.com

Shop Types of Three Way Valves

Sponsored
About our ads
$118.02
Banjo Manual Three-Way Ball Valve: 1 1/2 In, Polypropylene, L Flow, FNPT X FNPT X FNPT, Three-Piece Model: V150BL
Grainger
2
$118.02
Banjo Manual Three-Way Ball Valve: 1 1/2 In, Polypropylene, L Flow, FNPT X FNPT X FNPT, Three-Piece Model: V150BL
Grainger
$259.67
GF Piping Systems Manual Three-Way Ball Valve: 1 In, PVC, L Flow, Socket X Socket X Socket Model: 161543084
Grainger
$259.67
GF Piping Systems Manual Three-Way Ball Valve: 1 In, PVC, L Flow, Socket X Socket X Socket Model: 161543084
Grainger
$86.99
Hendrickson 3-Way Auto-Reset Valve With Fitting | 3-Way Auto-Reset Valve W/Fittings | Vs-25224
FleetPride
$86.99
Hendrickson 3-Way Auto-Reset Valve With Fitting | 3-Way Auto-Reset Valve W/Fittings | Vs-25224
FleetPride
$31.43
Manual Two-Way Ball Valve: 3/8 In, 316 Stainless Steel, Straight Valve Body, PTFE Model: 06Q201N04038
Grainger
$31.43
Manual Two-Way Ball Valve: 3/8 In, 316 Stainless Steel, Straight Valve Body, PTFE Model: 06Q201N04038
Grainger
$683.45
Edlund V051 OEM 3-Way Valve
WebstaurantStore
$683.45
Edlund V051 OEM 3-Way Valve
WebstaurantStore
$2,593.00
3 Inch ANSI Flanged Carbon Steel Air Actuated Ball Valve
Assured Automation
$2,593.00
3 Inch ANSI Flanged Carbon Steel Air Actuated Ball Valve
Assured Automation
$1,141.00
1 Inch Tri-Clamp SS Electric Actuated 3-Way Ball Valve
Assured Automation
$1,141.00
1 Inch Tri-Clamp SS Electric Actuated 3-Way Ball Valve
Assured Automation
$5,047.00
3 Inch Flanged Carbon Steel Electric Actuated 3-Way Ball Valve
Assured Automation
$5,047.00
3 Inch Flanged Carbon Steel Electric Actuated 3-Way Ball Valve
Assured Automation
$400.99
Bendix Mv-3 Series 3/8" Push To Connect Type Dash Control Valve | Mv-3 Control Module | 800259
FleetPride
$400.99
Bendix Mv-3 Series 3/8" Push To Connect Type Dash Control Valve | Mv-3 Control Module | 800259
FleetPride
$164.67
Rinnai 809000057 OEM Three Way Valve Housing Vc/O-Ring
WebstaurantStore
1
$164.67
Rinnai 809000057 OEM Three Way Valve Housing Vc/O-Ring
WebstaurantStore
$72.46
125A-3-10-20 HUMPHREY - Pneumatics & Pneumatic Valve Supplies
Radwell.com
$72.46
125A-3-10-20 HUMPHREY - Pneumatics & Pneumatic Valve Supplies
Radwell.com
$149.06
Quadrant Seal Welded 3-Way Ball Valve Stainless Steel Valves
GetPipe.com
$149.06
Quadrant Seal Welded 3-Way Ball Valve Stainless Steel Valves
GetPipe.com
$29.49
Garden Hose Splitter Full Flow, 3 Way Heavy Duty Outdoor Brass Hose Splitter With Metal Shutoff Valve And Long Handle Outdoor Faucet Diverter, 3/4"
Amazon.com
56
$29.49
Garden Hose Splitter Full Flow, 3 Way Heavy Duty Outdoor Brass Hose Splitter With Metal Shutoff Valve And Long Handle Outdoor Faucet Diverter, 3/4"
Amazon.com
$147.99
Muncie 2-Position 3-Way Power-Take Off Control Valve With Lever | Air Valve | 35M18653
FleetPride
$147.99
Muncie 2-Position 3-Way Power-Take Off Control Valve With Lever | Air Valve | 35M18653
FleetPride
$88.99
Jandy Valve 3 Port 1.5-2" CPVC 1154
PoolZoom.com
50
$88.99
Jandy Valve 3 Port 1.5-2" CPVC 1154
PoolZoom.com
$418.66
Banjo MEVX Series 1 in. 3-Way Full Port Manifold Flange Side Load Electric Valve - On/Off Style - MEVX100SL
John M. Ellsworth Co., Inc.
$418.66
Banjo MEVX Series 1 in. 3-Way Full Port Manifold Flange Side Load Electric Valve - On/Off Style - MEVX100SL
John M. Ellsworth Co., Inc.
$34.95
$65.60
John Guest® PI491616S 1/2" X 1/2" Gray Acetal Push-To-Connect Three-Way Divider
WebstaurantStore
46% off
$34.95
$65.60
John Guest® PI491616S 1/2" X 1/2" Gray Acetal Push-To-Connect Three-Way Divider
WebstaurantStore
$117.18
3/4" Brass 3 Way Electric Ball Valve - 3 Wire | Electric Solenoid Valves
Electric Solenoid Valves
$117.18
3/4" Brass 3 Way Electric Ball Valve - 3 Wire | Electric Solenoid Valves
Electric Solenoid Valves