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Hand Valves
Hand valves are devices used to manually adjust the flow direction, pressure, flow rate or another property of a fluid (liquid, vapor or gas). Hand valve bodies are made of materials such as aluminum, steel, stainless steel, PVC and resin. Hand valves are usually connected for use with pipes containing flowing fluids using fittings made of the same material as the hand valve body. Hand valve controls are often made of a different material from the body. The controls come in forms such as knobs, handles and levers. The standard types are 2-way valves with 2 fluid input/output ports and 3-way valves with 3. They are attached in accordance with the direction of fluid flow. There are many different hand valve models designed to connect to different pipe diameters and support different operating pressure ranges. There are also different fitting types such as screw-in, flange and welded fittings, so each hand valve model should be selected to match the operating environment.
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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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| Product Series |
| 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.  | |
| Brand | CHIYODA |
| Product Series | |
| CAD |
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| From | ₹ 2,926.40 |
| Days to Ship | 5 Day(s) or more |
| Connecting Tube Diameter | - |
| Number of Ports | 2-Port |
| Switching Operation | Manual Lever |
| Effective Sectional Area(mm2) | - |
| Main Body Shape | Others |
| Pipe Port Type | Rc (R) |
| Number of Switching Positions | 2-Position Normally Open |
| Plumbing Thread Nominal | 1/4 |
| Plumbing Type and Direction | Others |
| Effective Sectional Area【classification】(mm2) | - |
| How to Mount | Others |
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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)
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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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