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Hand Valves（Number of Switching Positions：2-Position Normally Closed）
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Shut-off Valve Hand Valve Union Straight
PISCO
[Features]
· Capable of opening and closing air pressure inlet to equipment.
· 3-Way type releases residual pressure from outlet side when it is closed.
· Can be selected from 4 types depending on the purpose of use.- CAD ：
- 2D
Connecting Tube Diameter Number of Ports Switching Operation Effective Sectional Area(mm2) Main Body Shape Pipe Port Type Number of Switching Positions Plumbing Thread Nominal Plumbing Type and Direction Effective Sectional Area【classification】(mm2) How to Mount Ø4 / Ø6 / Ø8 / Ø10 / Ø12 / 1/4 / 5/16 / 3/8 / 1/2 2-Port / 3-Port Knob 3.4 ～ 18.1 One-Touch Fitting Type One-Touch Plumbing 2-Position Normally Closed - - 5 or Less ～ ~20 Side From: ₹ 846.58 Days to Ship: 5 Day(s) or more 
5 Day(s) or more
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Shut-off Valve, Hand Valve Straight A
PISCO
[Features]
·Capable of opening and closing air pressure inlet to equipment
·3-direction valve type and 2-direction valve type are available
·The 3-direction valve type exhausts the residual pressure on the output side when closed
·Selectable from 4 types according to applicationsConnecting Tube Diameter Number of Ports Switching Operation Effective Sectional Area(mm2) Main Body Shape Pipe Port Type Number of Switching Positions Plumbing Thread Nominal Plumbing Type and Direction Effective Sectional Area【classification】(mm2) How to Mount Ø6 / Ø8 / Ø10 / Ø12 / 1/4 / 5/16 / 3/8 2-Port / 3-Port Knob 7.5 ～ 16.3 One-Touch Fitting Type One-Touch Plumbing 2-Position Normally Closed 1/8 / 1/4 / 3/8 / 1/2 - ~10 ～ ~20 Side From: ₹ 914.29 Days to Ship: 5 Day(s) or more
5 Day(s) or more
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MISUMI
- Hand Valves With One-Touch Coupling/ 2-Way Valve, 3-Way Valve
- Part number is BVHVU.
- Resin Body Material: PBT (Polybutylene Terephthalate)
- Metal Section: Brass (Electroless nickel plating Surface Treatment)
- Seal Rubber: NBR (Nitrile Rubber).
- Applicable to Tube Outer Dia. D: 4, 6, 8, 10 and 12 mm.
- Operating Temperature Range: 0 to 60℃
- Max. Operation Pressure: 1.0 MPa
- Handle Color: Blue and Red color.
- Applicable Fluid: Air.
- Hand Valves standard: RoHS10 compliant.
- C-Value Hand Valves with One-Touch Coupling- 2-Way Valve/ 3-Way Valve
- Part number is C-BVHVU.
- Applicable to Tube Outer Dia. D: 6, 8, 10 and 12 mm.
- Operating Temperature Range: 0 to 60℃
- Color Lever: (3-Way Valve) Red Lever and (2-Way Valve) Blue Lever.
- Applicable Fluid: Air.
- Hand Valves C-Value production not RoHS compliant.
- To open a valve: Turn the cap lever 90 degrees counterclockwise until it stops to let air flow.- Volume Discount
Connecting Tube Diameter Number of Ports Switching Operation Effective Sectional Area(mm2) Main Body Shape Pipe Port Type Number of Switching Positions Plumbing Thread Nominal Plumbing Type and Direction Effective Sectional Area【classification】(mm2) How to Mount Ø4 / Ø6 / Ø8 / Ø10 / Ø12 - Knob 3.4 ～ 18.1 One-Touch Fitting Type One-Touch Plumbing 2-Position Normally Closed - - - - From: ₹ 1,007.51 Days to Ship: Same day or more
Same day or more
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Shut-off Valve, Hand Valve, Straight B
PISCO
[Features]
·Capable of opening and closing air pressure inlet to equipment
·3-direction valve type and 2-direction valve type are available
·The 3-direction valve type exhausts the residual pressure on the output side when closed
·Selectable from 4 types according to applicationsConnecting Tube Diameter Number of Ports Switching Operation Effective Sectional Area(mm2) Main Body Shape Pipe Port Type Number of Switching Positions Plumbing Thread Nominal Plumbing Type and Direction Effective Sectional Area【classification】(mm2) How to Mount Ø6 / Ø8 / Ø10 / Ø12 / 1/4 / 5/16 / 3/8 2-Port / 3-Port Knob 8.2 ～ 17.1 One-Touch Fitting Type Rc (R) 2-Position Normally Closed 1/8 / 1/4 / 3/8 / 1/2 - ~10 ～ ~20 Side From: ₹ 914.29 Days to Ship: 5 Day(s) or more
5 Day(s) or more
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You can add up to 6 items per a category to the compare list.
Shut-off Valve Hand Valve Nipple
PISCO
[Features]
· Capable of opening and closing air pressure inlet to equipment.
· 3-Way type releases residual pressure from outlet side when it is closed.
· Can be selected from 4 types depending on the purpose of use.- CAD ：
- 2D
Connecting Tube Diameter Number of Ports Switching Operation Effective Sectional Area(mm2) Main Body Shape Pipe Port Type Number of Switching Positions Plumbing Thread Nominal Plumbing Type and Direction Effective Sectional Area【classification】(mm2) How to Mount - 2-Port / 3-Port Knob 8.8 ～ 15.8 One-Touch Fitting Type Rc (R) 2-Position Normally Closed 1/8 / 1/4 / 3/8 - ~10 ～ ~20 Side From: ₹ 982.36 Days to Ship: 5 Day(s) or more
5 Day(s) or more
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MISUMI
- Ball Valves with One-Touch Couplings BVHV
- Part number is BVHV.
- Resin Body Material: PBT (Polybutylene Terephthalate)
- O-Rings material: NBR (Nitrile Rubber)
- Switching Operation: Double Handle.
- Applicable to Tube Outer Dia. D: 6, 8, 10 and 12 mm.
- Operating Temperature Range: 0 to 60℃
- Max. Operation Pressure: 1.0 MPa
- Knob Color: Blue color.
- Applicable Fluid: Air.
- Flow direction: A (One-Touch Coupling Side, IN) and B (Thread Side, IN).
- Hand Valves production RoHS compliant.- Volume Discount
Connecting Tube Diameter Number of Ports Switching Operation Effective Sectional Area(mm2) Main Body Shape Pipe Port Type Number of Switching Positions Plumbing Thread Nominal Plumbing Type and Direction Effective Sectional Area【classification】(mm2) How to Mount Ø6 / Ø8 / Ø10 / Ø12 - Knob 7.5 ～ 17.1 One-Touch Fitting Type One-Touch Plumbing 2-Position Normally Closed - - - - From: ₹ 1,112.19 Days to Ship: 6 Day(s) or more
6 Day(s) or more
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Ball Valves - One-Touch Couplings - Straight - Single Handle
MISUMI
- Ball Valves - One-Touch Couplings - Straight
- Part number is BVCS.
- Resin Body Material: PBT (Polybutylene Terephthalate)
- O-Rings material: NBR (Nitrile Rubber)
- Switching Operation: Single Handle.
- Applicable to Tube Outer Dia. D (or D1): 4 and 6 mm.
- Operating Temperature Range: 0 to 60℃
- Operating Pressure Range: 0 to 0.7 MPa
- Number of ports: 2 Port.
- Applicable Fluid: Air.
- Single handle type has a scale on lever and can control the flow.- Volume Discount
Connecting Tube Diameter Number of Ports Switching Operation Effective Sectional Area(mm2) Main Body Shape Pipe Port Type Number of Switching Positions Plumbing Thread Nominal Plumbing Type and Direction Effective Sectional Area【classification】(mm2) How to Mount Ø4 / Ø6 2-Port Knob 3.8 ～ 10.5 One-Touch Fitting Type One-Touch Plumbing 2-Position Normally Closed - - - - From: ₹ 968.25 Days to Ship: 6 Day(s) or more
6 Day(s) or more
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Hand Valves - Pipe connection type (C-Value)
MISUMI
[Features]·2-way and 3-way valves are available. ·Air can be opened and closed by switching the valve.
- Volume Discount
Connecting Tube Diameter Number of Ports Switching Operation Effective Sectional Area(mm2) Main Body Shape Pipe Port Type Number of Switching Positions Plumbing Thread Nominal Plumbing Type and Direction Effective Sectional Area【classification】(mm2) How to Mount Ø6 / Ø8 / Ø10 / Ø12 - Knob - One-Touch Fitting Type One-Touch Plumbing 2-Position Normally Closed - - - - From: ₹ 455.83 Days to Ship: 6 Day(s) or more
6 Day(s) or more
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You can add up to 6 items per a category to the compare list.
Ball Valves - One-Touch Couplings - Elbows - Single Handle
MISUMI
- Ball Valves - One-Touch Couplings - Elbow
- Part number is BVCE.
- Resin Body Material: PBT (Polybutylene Terephthalate)
- O-Rings material: NBR (Nitrile Rubber)
- Switching Operation: Single Handle.
- Applicable to Tube Outer Dia. D: 4 and 6 mm.
- Operating Temperature Range: 0 to 60℃
- Operating Pressure Range: 0 to 0.7 MPa
- Number of ports: 2 Port.
- Applicable Fluid: Air.
- Single handle type has a scale on lever and can control the flow.- Volume Discount
Connecting Tube Diameter Number of Ports Switching Operation Effective Sectional Area(mm2) Main Body Shape Pipe Port Type Number of Switching Positions Plumbing Thread Nominal Plumbing Type and Direction Effective Sectional Area【classification】(mm2) How to Mount Ø4 / Ø6 2-Port Knob 4 ～ 8 One-Touch Fitting Type One-Touch Plumbing 2-Position Normally Closed - - - - From: ₹ 1,177.61 Days to Ship: 6 Day(s) or more
6 Day(s) or more
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Ball Valves - One-Touch Couplings - Union Straight - Single Handle
MISUMI
- Ball Valves - One-Touch Couplings - Union Straight
- Part number is BVUS.
- Resin Body Material: PBT (Polybutylene Terephthalate)
- O-Rings material: NBR (Nitrile Rubber)
- Switching Operation: Single Handle.
- Applicable to Tube Outer Dia. D: 4 and 6 mm.
- Operating Temperature Range: 0 to 60℃
- Operating Pressure Range: 0 to 0.7 MPa
- Number of ports: 2 Port.
- Applicable Fluid: Air.
- Single handle type has a scale on lever and can control the flow.- Volume Discount
Connecting Tube Diameter Number of Ports Switching Operation Effective Sectional Area(mm2) Main Body Shape Pipe Port Type Number of Switching Positions Plumbing Thread Nominal Plumbing Type and Direction Effective Sectional Area【classification】(mm2) How to Mount Ø4 / Ø6 2-Port Knob 3.4 ～ 10.3 One-Touch Fitting Type One-Touch Plumbing 2-Position Normally Closed - - - - From: ₹ 1,020.59 Days to Ship: 6 Day(s) or more
6 Day(s) or more
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Ball Valves - One-Touch Couplings - Union Straight - Double Handle
MISUMI
- Ball Valves One-Touch Couplings - Union Straight
- Part number is BVUSB.
- Resin Body Material: PPS (Polyphenylene Sulfide)
- O-Rings material: NBR (Nitrile Rubber)
- Switching Operation: Double Handle.
- Applicable to Tube Outer Dia. D (or D1): 6, 8, 10 and 12 mm.
- Operating Temperature Range: 0 to 60℃
- Operating Pressure Range: 0 to 0.9 MPa
- Number of ports: 2 Port.
- Applicable Fluid: Air, Water.
- Double handle type is possible to flow water.- Volume Discount
Connecting Tube Diameter Number of Ports Switching Operation Effective Sectional Area(mm2) Main Body Shape Pipe Port Type Number of Switching Positions Plumbing Thread Nominal Plumbing Type and Direction Effective Sectional Area【classification】(mm2) How to Mount Ø6 / Ø8 / Ø10 / Ø12 2-Port Knob 10.5 ～ 55.5 One-Touch Fitting Type One-Touch Plumbing 2-Position Normally Closed - - - - From: ₹ 1,258.13 Days to Ship: 6 Day(s) or more
6 Day(s) or more
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Ball Valves - One-Touch Couplings - Elbows - Double Handle
MISUMI
- Ball Valves One-Touch Couplings - Elbows
- Part number is BVCEB.
- Resin Body Material: PPS (Polyphenylene Sulfide)
- O-Rings material: NBR (Nitrile Rubber)
- Switching Operation: Double Handle.
- Applicable to Tube Outer Dia. D (or D1): 6, 8 and 10 mm.
- Operating Temperature Range: 0 to 60℃
- Operating Pressure Range: 0 to 0.9 MPa
- Number of ports: 2 Port.
- Applicable Fluid: Air, Water.
- Double handle type is possible to flow water.- Volume Discount
Connecting Tube Diameter Number of Ports Switching Operation Effective Sectional Area(mm2) Main Body Shape Pipe Port Type Number of Switching Positions Plumbing Thread Nominal Plumbing Type and Direction Effective Sectional Area【classification】(mm2) How to Mount Ø6 / Ø8 / Ø10 2-Port Knob 11.5 ～ 36 One-Touch Fitting Type One-Touch Plumbing 2-Position Normally Closed - - - - From: ₹ 1,831.83 Days to Ship: 6 Day(s) or more
6 Day(s) or more
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You can add up to 6 items per a category to the compare list.
Ball Valves - One-Touch Couplings - Straight - Double Handle
MISUMI
- Ball Valves One-Touch Couplings - Straight
- Part number is BVCSB.
- Resin Body Material: PPS (Polyphenylene Sulfide)
- O-Rings material: NBR (Nitrile Rubber)
- Switching Operation: Double Handle.
- Applicable to Tube Outer Dia. D (or D1): 6, 8 and 10 mm.
- Operating Temperature Range: 0 to 60℃
- Operating Pressure Range: 0 to 0.9 MPa
- Number of ports: 2 Port.
- Applicable Fluid: Air, Water.
- Double handle type is possible to flow water.- Volume Discount
Connecting Tube Diameter Number of Ports Switching Operation Effective Sectional Area(mm2) Main Body Shape Pipe Port Type Number of Switching Positions Plumbing Thread Nominal Plumbing Type and Direction Effective Sectional Area【classification】(mm2) How to Mount Ø6 / Ø8 / Ø10 2-Port Knob 12.5 ～ 41 One-Touch Fitting Type One-Touch Plumbing 2-Position Normally Closed - - - - From: ₹ 1,635.57 Days to Ship: 6 Day(s) or more
6 Day(s) or more
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Hand Valves - Hexagon screw type (C-Value)
MISUMI
- C-Value Hand Valves with One-Touch Coupling- 2-Way Valve/ 3-Way Valve
- Part number is C-BVHV.
- Applicable to Tube Outer Dia. D: 6 and 8 mm.
- Thread Size selection: R1/8 and R1/4.
- Operating Temperature Range: 0 to 60℃
- Max. Operation Pressure: 1.0 MPa
- Color Lever: (3-Way Valve) Black Lever and (2-Way Valve) Blue Lever.
- Applicable Fluid: Air.
- Flow direction: A (One-Touch Side>Thread Side) and B (Thread Side>One-Touch Side).
- Hand Valves C-Value production not RoHS compliant.- Volume Discount
Connecting Tube Diameter Number of Ports Switching Operation Effective Sectional Area(mm2) Main Body Shape Pipe Port Type Number of Switching Positions Plumbing Thread Nominal Plumbing Type and Direction Effective Sectional Area【classification】(mm2) How to Mount Ø6 / Ø8 - Knob - One-Touch Fitting Type One-Touch Plumbing 2-Position Normally Closed - - - - From: ₹ 579.53 Days to Ship: 6 Day(s) or more
6 Day(s) or more
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You can add up to 6 items per a category to the compare list.
Shut-off Valve, Ball Valve, Elbow
PISCO
Effective sectional area is secured according to the size of the tube used.
- CAD ：
- 2D
Connecting Tube Diameter Number of Ports Switching Operation Effective Sectional Area(mm2) Main Body Shape Pipe Port Type Number of Switching Positions Plumbing Thread Nominal Plumbing Type and Direction Effective Sectional Area【classification】(mm2) How to Mount Ø6 / Ø8 / Ø10 / Ø12 2-Port Knob 11.5 ～ 46 One-Touch Fitting Type Others 2-Position Normally Closed 1/8 / 1/4 / 3/8 / 1/2 - ~15 ～ ~50 - From: ₹ 1,434.38 Days to Ship: 5 Day(s) or more
5 Day(s) or more
| Brand |
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| Product Series |
| CAD |
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| Days to Ship |
| Connecting Tube Diameter |
| Number of Ports |
| Switching Operation |
| Effective Sectional Area(mm2) |
| Main Body Shape |
| Pipe Port Type |
| Number of Switching Positions |
| Plumbing Thread Nominal |
| Plumbing Type and Direction |
| Effective Sectional Area【classification】(mm2) |
| How to Mount |
You can add up to 6 items per a category to the compare list.          | You can add up to 6 items per a category to the compare list.        | You can add up to 6 items per a category to the compare list.    | You can add up to 6 items per a category to the compare list.        | You can add up to 6 items per a category to the compare list.  | You can add up to 6 items per a category to the compare list.    | You can add up to 6 items per a category to the compare list.  | You can add up to 6 items per a category to the compare list.  | You can add up to 6 items per a category to the compare list.  | You can add up to 6 items per a category to the compare list.  | You can add up to 6 items per a category to the compare list.  | You can add up to 6 items per a category to the compare list.  | You can add up to 6 items per a category to the compare list.  | You can add up to 6 items per a category to the compare list.  | You can add up to 6 items per a category to the compare list.  | |
| Brand | PISCO | PISCO | MISUMI | PISCO | PISCO | MISUMI | MISUMI | MISUMI | MISUMI | MISUMI | MISUMI | MISUMI | MISUMI | MISUMI | PISCO |
| Product Series | Ball Valves - One-Touch Couplings - Straight - Single Handle | Ball Valves - One-Touch Couplings - Union Straight - Single Handle | Ball Valves - One-Touch Couplings - Union Straight - Double Handle | Ball Valves - One-Touch Couplings - Straight - Double Handle | |||||||||||
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| From | ₹ 846.58 | ₹ 914.29 | ₹ 1,007.51 | ₹ 914.29 | ₹ 982.36 | ₹ 1,112.19 | ₹ 968.25 | ₹ 455.83 | ₹ 1,177.61 | ₹ 1,020.59 | ₹ 1,258.13 | ₹ 1,831.83 | ₹ 1,635.57 | ₹ 579.53 | ₹ 1,434.38 |
| Days to Ship | 5 Day(s) or more | 5 Day(s) or more | Same day or more | 5 Day(s) or more | 5 Day(s) or more | 6 Day(s) or more | 6 Day(s) or more | 6 Day(s) or more | 6 Day(s) or more | 6 Day(s) or more | 6 Day(s) or more | 6 Day(s) or more | 6 Day(s) or more | 6 Day(s) or more | 5 Day(s) or more |
| Connecting Tube Diameter | Ø4 / Ø6 / Ø8 / Ø10 / Ø12 / 1/4 / 5/16 / 3/8 / 1/2 | Ø6 / Ø8 / Ø10 / Ø12 / 1/4 / 5/16 / 3/8 | Ø4 / Ø6 / Ø8 / Ø10 / Ø12 | Ø6 / Ø8 / Ø10 / Ø12 / 1/4 / 5/16 / 3/8 | - | Ø6 / Ø8 / Ø10 / Ø12 | Ø4 / Ø6 | Ø6 / Ø8 / Ø10 / Ø12 | Ø4 / Ø6 | Ø4 / Ø6 | Ø6 / Ø8 / Ø10 / Ø12 | Ø6 / Ø8 / Ø10 | Ø6 / Ø8 / Ø10 | Ø6 / Ø8 | Ø6 / Ø8 / Ø10 / Ø12 |
| Number of Ports | 2-Port / 3-Port | 2-Port / 3-Port | - | 2-Port / 3-Port | 2-Port / 3-Port | - | 2-Port | - | 2-Port | 2-Port | 2-Port | 2-Port | 2-Port | - | 2-Port |
| Switching Operation | Knob | Knob | Knob | Knob | Knob | Knob | Knob | Knob | Knob | Knob | Knob | Knob | Knob | Knob | Knob |
| Effective Sectional Area(mm2) | 3.4 ～ 18.1 | 7.5 ～ 16.3 | 3.4 ～ 18.1 | 8.2 ～ 17.1 | 8.8 ～ 15.8 | 7.5 ～ 17.1 | 3.8 ～ 10.5 | - | 4 ～ 8 | 3.4 ～ 10.3 | 10.5 ～ 55.5 | 11.5 ～ 36 | 12.5 ～ 41 | - | 11.5 ～ 46 |
| Main Body Shape | One-Touch Fitting Type | One-Touch Fitting Type | One-Touch Fitting Type | One-Touch Fitting Type | One-Touch Fitting Type | One-Touch Fitting Type | One-Touch Fitting Type | One-Touch Fitting Type | One-Touch Fitting Type | One-Touch Fitting Type | One-Touch Fitting Type | One-Touch Fitting Type | One-Touch Fitting Type | One-Touch Fitting Type | One-Touch Fitting Type |
| Pipe Port Type | One-Touch Plumbing | One-Touch Plumbing | One-Touch Plumbing | Rc (R) | Rc (R) | One-Touch Plumbing | One-Touch Plumbing | One-Touch Plumbing | One-Touch Plumbing | One-Touch Plumbing | One-Touch Plumbing | One-Touch Plumbing | One-Touch Plumbing | One-Touch Plumbing | Others |
| Number of Switching Positions | 2-Position Normally Closed | 2-Position Normally Closed | 2-Position Normally Closed | 2-Position Normally Closed | 2-Position Normally Closed | 2-Position Normally Closed | 2-Position Normally Closed | 2-Position Normally Closed | 2-Position Normally Closed | 2-Position Normally Closed | 2-Position Normally Closed | 2-Position Normally Closed | 2-Position Normally Closed | 2-Position Normally Closed | 2-Position Normally Closed |
| Plumbing Thread Nominal | - | 1/8 / 1/4 / 3/8 / 1/2 | - | 1/8 / 1/4 / 3/8 / 1/2 | 1/8 / 1/4 / 3/8 | - | - | - | - | - | - | - | - | - | 1/8 / 1/4 / 3/8 / 1/2 |
| Plumbing Type and Direction | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Effective Sectional Area【classification】(mm2) | 5 or Less ～ ~20 | ~10 ～ ~20 | - | ~10 ～ ~20 | ~10 ～ ~20 | - | - | - | - | - | - | - | - | - | ~15 ～ ~50 |
| How to Mount | Side | Side | - | Side | Side | - | - | - | - | - | - | - | - | - | - |
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Configure
Specification/Dimensions
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Connecting Tube Diameter
- Ø4
- Ø6
- Ø8
- Ø10
- Ø12
- 1/4
- 5/16
- 3/8
- 1/2
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Number of Ports
- 2-Port
- 3-Port
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Switching Operation
- Manual Lever
- Knob
- Selecting Knob
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Effective Sectional Area(mm2)
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Main Body Shape
- One-Touch Fitting Type
- Others
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Pipe Port Type
- Rc (R)
- One-Touch Plumbing
- Others
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Number of Switching Positions
- 2-Position Normally Open
- 2-Position Normally Closed
- 2-Position Exhaust
- 2-Position Direction Switching
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Plumbing Thread Nominal
- M5
- 1/8
- 1/4
- 3/8
- 1/2
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Plumbing Type and Direction
- Direct Side Surface
- Others
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Effective Sectional Area【classification】(mm2)
-
How to Mount
Related Categories to Hand Valves
FAQ Hand Valves
- Question: What is a hand valve and its functions?
- Answer: A hand valve is a manually operated device used to control the flow of fluid (liquids or gases) in a system. It consists of a handle or lever that, when turned, adjusts the position of an internal mechanism to either open or close the valve. Hand valves serve to regulate fluid flow, isolate sections of a pipeline for maintenance, and control pressure. They find application in various industries such as plumbing and industrial processes.
- Question: When should you use the hand valve?
- Answer: Use a hand valve when manual control of fluid flow is necessary. It's employed to start, stop, or adjust flow rates in systems requiring human intervention, such as emergencies, maintenance, or precise adjustments. Hand valves are useful when automation isn't feasible, during equipment servicing, or when immediate response to changes is needed. They offer a simple and reliable means of flow regulation in various industries.
- Question: What are the advantages and disadvatages of hand valves / manual valves?
- Answer: Advantages of hand valves (manual valves) include simplicity, reliability, and cost-effectiveness. They offer precise control and immediate response during emergencies or maintenance, making them suitable for small-scale applications. However, they can be slower to operate compared to automated valves, require physical presence for adjustments, and might not be suitable for large-scale or continuous processes. Additionally, potential human error in operation and limited remote control are notable disadvantages.
- Question: What are the different types of hand valves?
- Answer: Ball valves: Easy to operate and offer a good seal.
Butterfly valves: Offer good flow control and are relatively inexpensive.
Gate valves: Provide a positive shutoff but can cause some pressure drop.
Globe valves: Good for throttling flow and can handle particulates.
Needle valves: Offer precise flow control.
Plug valves: Simple and reliable for on/off applications. - Question: Can ball valves be partially open?
- Answer: Technically yes, but it's not recommended for standard ball valves. Partially opening a ball valve can cause wear and tear on the seats, reducing their effectiveness over time. However, there are special ball valve designs, like V-port valves, that are specifically designed for throttling applications.
- Question: What are the common materials used for valves?
- Answer: Hand valves are commonly constructed from materials such as brass, stainless steel, cast iron, bronze, and plastic (such as PVC or CPVC). The choice of material depends on factors like the type of fluid being handled, pressure requirements, temperature conditions, and corrosion resistance. These materials ensure durability and compatibility with various applications across industries like plumbing, industrial processes, and water treatment.
Payment Method
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