2 Way High Pressure Hydraulic Ball Valve

2 way high pressure hydraulic ball valve is a switch valve. The two-way ball valve controls the flow of liquid or gaseous media by rotating the ball, stem and orifice. The ball valve is also a quarter-turn valve that can be used where quick and frequent operations are required. Traditional ball valves have relatively poor throttling characteristics because the exposed seat corrodes rapidly in the partially open or closed position.

1. What are the advantages of the two-way ball valve?
They provide reliable sealing capabilities. The ball is highly polished to provide a tight shutoff, reducing the possibility of leaks even when the system is not in use for extended periods of time. They are made of highly durable and long-lasting materials such as carbon steel or stainless steel. Stainless steel 2-way ball valves are extremely durable and suitable for harsh environments with high temperatures and chemicals. They close faster due to quarter-turn valves. They are called quarter-turn valves because the handle only needs to be turned a quarter-turn (90 degree ) to allow or block media flow, which is extremely important in emergency situations. Since the position of the handle can be detected visually, it is easy to spot whether the valve is open or closed.

2. When should a 2-way ball valve be used?
The following checklist can be used to see if a 2-way ball valve is suitable for use. More than 2 ports required: Ball valves can have 2 to 4 ports (2-way, 3-way or 4-way ball valves). Lower flow capacity: Two-way ball valves are usually smaller in diameter and have lower flow capacity. Faster opening or closing speed: Only a quarter turn (90 degree turn) is required to allow or block the flow of media. Tight sealing and full shutoff are required: 2-way ball valves provide reliable sealing capabilities. For low pressure applications: This is to protect against hydraulic shock (water hammer). For non-abrasive service: Ball valves are usually soft seated, which makes them unsuitable for abrasive service. Soft seals may be damaged by solid particles or become trapped in body cavities.

3. What are the different housing components for a 2-way ball valve?
There are 3 common designs - 1 piece, 2 piece or 3 piece housing - which affect how the valve is assembled and maintained. One-piece valves cannot be disassembled for maintenance. This is the cheapest variant and is usually used for less demanding applications. The two-piece valve is removable for maintenance and inspection. The valve must be completely removed from the pipe to separate the two components. Three-piece valves are the most expensive variant because the valve can be serviced without having to completely remove the entire valve from the pipe.

4. What are the different ball types?
Depending on how the ball is supported, there is a floating ball design or a trunnion ball design. In the floating ball design, the ball is fixed between the seats. It is used on Class 150 and Class 300 small bore valves (up to 6"). In the trunnion ball design, the ball is supported below the ball. Class 150 and Class 300 valves 8" and above are usually specified with a trunnion mount ball design. Class 600 and above rated valves are typically trunnion mounted designs in sizes 1 1/2" and above.

5. How to use the two-way ball valve effectively and safely?
2 way high pressure hydraulic ball valve is best suited for low pressure applications to prevent hydraulic shock (water hammer). The 2-way ball valve can close faster due to the quarter-turn valve. A sudden shut-off of the medium can cause a pressure surge, producing a noise similar to a pipe being struck with a hammer (water hammer). This powerful water hammer can rupture the system and cause leaks. To reduce the effects of water hammer, various safety devices such as expansion tanks, accumulators and discharge valves can be installed. If the valve is used in high pressure gas service, use an explosive relief o-ring. When using ordinary elastomer O-rings, gas may be absorbed into the molecular structure. If the valve is suddenly depressurized, the gas will expand rapidly and may damage the O-ring. To eliminate this possibility, special o-rings or lip seals suitable for such service conditions can be used. Where a fire rated design is required, the valve will be labeled "fire rated" according to one of the following specifications: ISO 10497, BS 6755-2, API 607 or API 6FA. Two-way ball valves can also fail. The valve does not seal completely due to damaged seals, or the valve cannot move due to debris clogging the valve. It is important to check frequently to ensure the seals are not damaged and to remove any debris that has entered the valve.

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