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Hand Valves（Number of Switching Positions：2-Position Normally Open）
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Finger Valve (Rotary Knob Pneumatic Manual Control Valve) PHV Series
AIRTAC
- PHV-Finger valve.
- The series for product code PHV.
- Plastic Body Material: PBT (Polybutylene Terephthalate).
- Knob Material: POM
- O-Rings material: NBR (Nitrile Rubber)
- Port size Diameter: 6, 8, 10 and 12 mm.
- Operating Temperature Range: -20 to 70℃
- Operating Pressure Range: 0 to 1.0 MPa
- Applicable tubing: soft nylon or Polyurethane.
- Standard Body Color: Gray and Black.
- Knob Identifier: A (Three way) and B (Two way).
- The finger valve has excellent flow and highly sensitive anti-direction characteristics.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 - One-Touch Fitting Type One-Touch Plumbing 2-Position Normally Open - Direct Side Surface - Side From: ₹ 371.13 Days to Ship: 5 Day(s) or more 
5 Day(s) or more
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Straight Shut-off Ball Valve 10 Series
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 Ø4 2-Port Knob 3.8 One-Touch Fitting Type Others 2-Position Normally Open 1/8 - 5 or Less - From: ₹ 781.20 Days to Ship: 5 Day(s) or more
5 Day(s) or more
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Shut-off Valve, Ball Valve, Straight
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 12.5 ～ 55 One-Touch Fitting Type Others 2-Position Normally Open 1/8 / 1/4 / 3/8 / 1/2 - ~15 ～ ~60 - From: ₹ 1,276.60 Days to Ship: 5 Day(s) or more
5 Day(s) or more
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Shut-off Valve: Union Straight Ball Valve with Stepped Diameter
PISCO
- Ball Valve 20/60 Series Unequal Dia - Union Straight BVG.
- Material-Body: resin PPS (Polyphenylene sulfide)
- Metal Section: Brass with electroless nickel plating.
- Seal Rubber: NBR (Nitrile Rubber).
- Operation temperature range: 0 to 60℃ (no freezing)
- Thread size: R1/8, R1/4, R3/8, R1/2.
- Applicable: Air and Water.
- How to open / close the valve: To open the valve, turn the handle 90 degrees in the O (Open) direction. To close, turn the handle in S(Stop) direction until it stops.- 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 Ø8 / Ø12 2-Port Knob 13 ～ 40 One-Touch Fitting Type One-Touch Plumbing 2-Position Normally Open - - ~15 ～ ~40 - From: ₹ 1,270.33 Days to Ship: 5 Day(s) or more
5 Day(s) or more
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Shut-off Valve Ball Valve Bulkhead Union Straight
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 Ø8 / Ø12 2-Port Knob 12 ～ 54 One-Touch Fitting Type One-Touch Plumbing 2-Position Normally Open - - ~15 ～ ~60 - From: ₹ 1,794.96 Days to Ship: 5 Day(s) or more
5 Day(s) or more
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Shut-off Valve, Ball Valve 10 Series, Bulkhead Union Elbow
PISCO
- Ball Valve Mini (10) series, Bulkhead Union Elbow BVLM
- Material-Body: resin PBT (Polybutylene terephthalate).
- Metal Section: Brass with electroless nickel plating.
- Seal Rubber: NBR (Nitrile Rubber).
- Operation temperature range: 0 to 60℃ (no freezing)
- Applicable Tube O.D.: 4 and 6 mm
- Number of ports: 2 Port.
- Ball Valve turns on and off-air pressure to pneumatic devices.
- The flow rate can be adjusted roughly by setting the angle of the lever.
- Caution: Do not use a lubricator on products.- 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 2-Port Knob 4 ～ 8 One-Touch Fitting Type One-Touch Plumbing 2-Position Normally Open - - 5 or Less ～ ~10 - From: ₹ 1,107.22 Days to Ship: 5 Day(s) or more
5 Day(s) or more
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Stop Valve, Ball Valve, Union Elbow
PISCO
- Ball Valve Series 20/60 Union Elbow BVLU.
- Material-Body: resin PPS (Polyphenylene sulfide)
- Metal Section: Brass with electroless nickel plating.
- Seal Rubber: NBR (Nitrile Rubber).
- Operation temperature range: 0 to 60℃ (no freezing)
- Applicable Tube O.D. Size: 6, 8, 10 and 12 mm.
- Applicable: Air and Water.
- How to open / close the valve: To open the valve, turn the handle 90 degrees in the O (Open) direction. To close, turn the handle in S(Stop) direction until it stops.- 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 9.5 ～ 44 One-Touch Fitting Type One-Touch Plumbing 2-Position Normally Open - - ~10 ～ ~50 - From: ₹ 1,411.93 Days to Ship: 5 Day(s) or more
5 Day(s) or more
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Union Straight Shut-off Ball Valve
PISCO
Effective sectional area is secured according to the size of the tube used.
[Features]
· Capable of opening and closing air pressure inlet to equipment.
· Main body is made of PPS in 20/60 series.
· Also possible to flow water.- 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 Ø12 2-Port Knob 55.5 One-Touch Fitting Type One-Touch Plumbing 2-Position Normally Open - - ~60 - From: ₹ 1,466.04 Days to Ship: 5 Day(s) or more
5 Day(s) or more
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Shut-off Ball Valve with Different Diameter Union Elbow
PISCO
- Ball Valve Series 20/60 Unequal Dia. Union Elbow
- Material-Body: resin PPS Excellent heat resistance, flame retardancy and chemical resistance.
- Metal Section: Brass with electroless nickel plating.
- Seal Rubber: NBR (Nitrile Rubber).
- Operation temperature range: 0 to 60℃.
- Operating Pressure Range: 0 to 0.9 MPa
- Applicable Tube O.D. Size: 6, 8, 10 and 12 mm.
- Applicable: Air and Water.
- Ball Valve turns on and off-air pressure to pneumatic devices and water can be admitted.- 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 ～ 39 One-Touch Fitting Type One-Touch Plumbing 2-Position Normally Open - - ~15 ～ ~40 - From: ₹ 1,412.69 Days to Ship: 10 Day(s) or more
10 Day(s) or more
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Shut-off Valve Ball Valve Bulkhead Union Elbow
PISCO
- Ball Valve Series 20/60 Bulkhead Union Elbow BVLM
- Material-Body: resin PPS Excellent heat resistance.
- Metal Section: Brass with electroless nickel plating.
- Seal Rubber: NBR (Nitrile Rubber).
- Operation temperature range: 0 to 60℃.
- Operating Pressure Range: 0 to 0.9 MPa
- Applicable Tube O.D.(D1): 8 and 12 mm.
- Applicable Tube O.D.(D2): 6, 8, 10 and 12 mm.
- Applicable: Air and Water.
- Ball Valve turns on and off-air pressure to pneumatic devices and water can be admitted.- 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 Ø8 / Ø12 2-Port Knob 47 ～ 118 One-Touch Fitting Type One-Touch Plumbing 2-Position Normally Open - - ~50 ～ ~200 - From: ₹ 1,946.31 Days to Ship: 5 Day(s) or more
5 Day(s) or more
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10 Series Elbow Shut-off Valve and Ball Valve
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 Ø4 / Ø6 2-Port Knob 4 ～ 8 One-Touch Fitting Type Others 2-Position Normally Open 1/8 - 5 or Less ～ ~10 - From: ₹ 918.36 Days to Ship: 5 Day(s) or more
5 Day(s) or more
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Shut-off Valve Ball Valve 10 Series Union Elbow
PISCO
- Ball Valve Mini (10) series, Union Elbow BVLU.
- Material-Body: resin PPS (Polyphenylene sulfide)
- Metal Section: Brass with electroless nickel plating.
- Seal Rubber: NBR (Nitrile Rubber).
- Operation temperature range: 0 to 60℃ (no freezing)
- Applicable Tube O.D. Size: 4 and 6 mm
- Applicable: Air and Water.
- How to open / close the valve: To open the valve, turn the lever 90 degrees in the counterclockwise direction. To close, turn the lever in the clockwise direction until it stops.- 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 2-Port Knob 4 ～ 8 One-Touch Fitting Type One-Touch Plumbing 2-Position Normally Open - - 5 or Less ～ ~10 - From: ₹ 908.24 Days to Ship: 5 Day(s) or more
5 Day(s) or more
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Shut-off Valve, Ball Valve 10 Series, Different Diameter Union Elbow
PISCO
- Ball Valve Mini (10) series, Unequal Dia. Union BVLG.
- Material-Body: resin PBT (Polybutylene terephthalate).
- Metal Section: Brass with electroless nickel plating.
- Seal Rubber: NBR (Nitrile Rubber).
- Operation temperature range: 0 to 60℃ (no freezing)
- Applicable Tube O.D. (D1): 4 and 6 mm
- Number of ports: 2
- Applicable: Air and Water.
- Ball Valve turns on and off-air pressure to pneumatic devices.
- The flow rate can be adjusted roughly by setting the angle of the lever.- 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 2-Port Knob 4 One-Touch Fitting Type One-Touch Plumbing 2-Position Normally Open - - 5 or Less - From: ₹ 908.62 Days to Ship: 10 Day(s) or more
10 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 10 Series, Different Diameter Union Straight
PISCO
- Ball Valve Mini (10) series, Unequal Dia. Union Straight BVG.
- Material-Body: resin PBT (Polybutylene terephthalate).
- Metal Section: Brass with electroless nickel plating.
- Seal Rubber: NBR (Nitrile Rubber).
- Operation temperature range: 0 to 60℃ (no freezing)
- Applicable Tube O.D. (D1): 6 mm
- Applicable Tube O.D. (D2): 4 and 6 mm
- Number of ports: 2 Port.
- Ball Valve turns on and off-air pressure to pneumatic devices.
- Caution: Do not use a lubricator on products.- 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 2-Port Knob 3.8 One-Touch Fitting Type One-Touch Plumbing 2-Position Normally Open - - 5 or Less - From: ₹ 791.15 Days to Ship: 12 Day(s) or more
12 Day(s) or more
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Shut-off Valve Ball Valve 10 Series Bulkhead Union Straight
PISCO
- Ball Valve Mini (10) series, Bulkhead Union Straight BVM.
- BVM Body Material: resin PBT (Polybutylene terephthalate).
- Metal Section: Brass with electroless nickel plating.
- Seal Rubber: NBR (Nitrile Rubber).
- Operation temperature range: 0 to 60℃ (no freezing)
- Applicable Tube O.D. (D): 4 and 6 mm.
- Number of ports: 2 Port.
- The flow rate can be adjusted roughly by setting the angle of the lever.
- Caution: Do not use a lubricator on products.- 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 2-Port Knob 3.8 ～ 10.3 One-Touch Fitting Type One-Touch Plumbing 2-Position Normally Open - - 5 or Less ～ ~15 - From: ₹ 992.24 Days to Ship: 5 Day(s) or more
5 Day(s) or more
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CHIYODA
Auto OFF, residual pressure discharging ball valve.
[Features]
· Discharges residual pressure.
· Safety design which automatically closes the residual pressure discharging port when the valve opens (residual pressure discharge auto OFF).
· Simple mechanism makes valve opening and closing obvious- 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 Manual Lever - Others Rc (R) 2-Position Normally Open 1/4 Others - Others From: ₹ 2,926.40 Days to Ship: 5 Day(s) or more
5 Day(s) or more
| Brand |
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| CAD |
| From |
| 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.  | You can add up to 6 items per a category to the compare list.  | |
| Brand | AIRTAC | PISCO | PISCO | PISCO | PISCO | PISCO | PISCO | PISCO | PISCO | PISCO | PISCO | PISCO | PISCO | PISCO | PISCO | CHIYODA |
| Product Series | Finger Valve (Rotary Knob Pneumatic Manual Control Valve) PHV Series | Shut-off Valve: Union Straight Ball Valve with Stepped Diameter | Shut-off Valve, Ball Valve 10 Series, Different Diameter Union Elbow | Shut-Off Valve, Ball Valve 10 Series, Different Diameter Union Straight | ||||||||||||
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| From | ₹ 371.13 | ₹ 781.20 | ₹ 1,276.60 | ₹ 1,270.33 | ₹ 1,794.96 | ₹ 1,107.22 | ₹ 1,411.93 | ₹ 1,466.04 | ₹ 1,412.69 | ₹ 1,946.31 | ₹ 918.36 | ₹ 908.24 | ₹ 908.62 | ₹ 791.15 | ₹ 992.24 | ₹ 2,926.40 |
| Days to Ship | 5 Day(s) or more | 5 Day(s) or more | 5 Day(s) or more | 5 Day(s) or more | 5 Day(s) or more | 5 Day(s) or more | 5 Day(s) or more | 5 Day(s) or more | 10 Day(s) or more | 5 Day(s) or more | 5 Day(s) or more | 5 Day(s) or more | 10 Day(s) or more | 12 Day(s) or more | 5 Day(s) or more | 5 Day(s) or more |
| Connecting Tube Diameter | Ø6 / Ø8 / Ø10 / Ø12 | Ø4 | Ø6 / Ø8 / Ø10 / Ø12 | Ø8 / Ø12 | Ø8 / Ø12 | Ø6 | Ø6 / Ø8 / Ø10 / Ø12 | Ø12 | Ø6 / Ø8 / Ø10 / Ø12 | Ø8 / Ø12 | Ø4 / Ø6 | Ø4 / Ø6 | Ø4 / Ø6 | Ø6 | Ø6 | - |
| Number of Ports | 2-Port | 2-Port | 2-Port | 2-Port | 2-Port | 2-Port | 2-Port | 2-Port | 2-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 | Manual Lever |
| Effective Sectional Area(mm2) | - | 3.8 | 12.5 ～ 55 | 13 ～ 40 | 12 ～ 54 | 4 ～ 8 | 9.5 ～ 44 | 55.5 | 11 ～ 39 | 47 ～ 118 | 4 ～ 8 | 4 ～ 8 | 4 | 3.8 | 3.8 ～ 10.3 | - |
| 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 | Others |
| Pipe Port Type | One-Touch Plumbing | Others | Others | One-Touch Plumbing | One-Touch Plumbing | One-Touch Plumbing | One-Touch Plumbing | One-Touch Plumbing | One-Touch Plumbing | One-Touch Plumbing | Others | One-Touch Plumbing | One-Touch Plumbing | One-Touch Plumbing | One-Touch Plumbing | Rc (R) |
| Number of Switching Positions | 2-Position Normally Open | 2-Position Normally Open | 2-Position Normally Open | 2-Position Normally Open | 2-Position Normally Open | 2-Position Normally Open | 2-Position Normally Open | 2-Position Normally Open | 2-Position Normally Open | 2-Position Normally Open | 2-Position Normally Open | 2-Position Normally Open | 2-Position Normally Open | 2-Position Normally Open | 2-Position Normally Open | 2-Position Normally Open |
| Plumbing Thread Nominal | - | 1/8 | 1/8 / 1/4 / 3/8 / 1/2 | - | - | - | - | - | - | - | 1/8 | - | - | - | - | 1/4 |
| Plumbing Type and Direction | Direct Side Surface | - | - | - | - | - | - | - | - | - | - | - | - | - | - | Others |
| Effective Sectional Area【classification】(mm2) | - | 5 or Less | ~15 ～ ~60 | ~15 ～ ~40 | ~15 ～ ~60 | 5 or Less ～ ~10 | ~10 ～ ~50 | ~60 | ~15 ～ ~40 | ~50 ～ ~200 | 5 or Less ～ ~10 | 5 or Less ～ ~10 | 5 or Less | 5 or Less | 5 or Less ～ ~15 | - |
| How to Mount | Side | - | - | - | - | - | - | - | - | - | - | - | - | - | - | Others |
Loading...
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
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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
- 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.
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