Full Bore Horizontal Hemispherical Valves

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It can be customized according to different needs.Hard seal ball valve: a wide range of applicable temperatures, generally room temperature to 0 ℃ to 80℃.

Email: znzdvalve@gmail.com

It can be customized according to different needs.

Product characteristics:
1. Excellent flow characteristics
Full bore design: the flow path of the full bore horizontal hemispherical ball valve is completely aligned with the pipeline, without any narrowing or expanding of the flow path, with low fluid resistance, which can realize large flow and unobstructed flow.
Low water loss: when the valve is open, the flow path is unobstructed and the water loss is very small, which is suitable for the occasions that need to convey fluids efficiently.
2. Reliable sealing performance
Eccentric structure: adopting double eccentric structure, the valve has the function of the tighter it closes when it closes, and the sealing performance is reliable. After opening, the sealing surface is completely out of contact, protecting the sealing surface from damage.
Self-cleaning function: when the ball is out of the valve seat, the fluid passes evenly along the sealing surface of the ball, which can wash away the accumulation on the sealing surface and achieve the purpose of self-cleaning.
3. Easy operation and maintenance
Top-mounted structure: when replacing and repairing damaged opening and closing parts, there is no need to remove the whole valve from the pipeline, which is convenient and quick.
Online maintenance: support for online replacement of seals, can realize the opening and closing with pressure, low maintenance costs.
Low opening and closing torque: the valve opening and closing torque is small, lightweight operation, suitable for frequent opening and closing conditions.
4. Strong applicability
Bidirectional sealing: applicable to forward and reverse conditions, can realize bidirectional sealing, suitable for circulating water and a variety of special conditions.
Wear-resistant design: the knife-edge design at the ball crown can cut off debris, and the bi-directional floating seat can automatically compensate for sealing surface wear to further enhance sealing reliability.
5. Economy and energy saving
Energy saving and consumption reduction: Due to the small head loss, the energy consumption of the pumping unit can be significantly reduced. For example, after a water plant uses full bore eccentric hemispherical valve, the pressure before the valve is reduced by 4.33%, and the head loss is reduced by 90.8%, which saves nearly 87,900 yuan/group of electricity consumption of the pump unit every year.
Long service life: optimized sealing structure and eccentric design reduces the wear and tear of the sealing surface, prolongs the service life of the valve and reduces the maintenance frequency.
6. Small space occupation
Short structure length: with the short structure length of the reduced diameter hemispherical ball valve, it greatly saves the installation space.
Full bore horizontal hemispherical ball valves are widely used in municipal water supply and drainage, long-distance water transfer, sewage treatment, industrial pipelines and other occasions that require high efficiency, reliability and low maintenance, and can be customized according to different needs.

Applicable media

Liquid media: including clean water, raw water (including mud and sand), sewage, seawater, steam water, oil (such as crude oil, heavy oil), pulp, solution, alumina powder, coal dust, coal ash, slag and so on.
Gas media: such as natural gas, coal gas, liquefied gas, steam, etc..
Solid-liquid mixed media: for liquid, solid two-phase mixing or liquid transport in the chemical reaction of crystallization precipitation or scaling of industrial pipeline transport.

The use of the scene
Industrial pipeline system: can be used for conveying pipeline systems containing particles, fibers, slurries and other media, especially suitable for high flow rates and easy to scale conditions.
Water treatment system: it is suitable for dam bottom release valve and control valve, city heating and heating system, tap water system, etc.
Energy system: such as natural gas system, gas system, steam system, etc.
Chemical system: applicable to pipelines conveying acid, alkali and other corrosive media.
Pump delivery system: such as pressurized system, central air-conditioning system, etc.

Component materials
1. Valve body material
Ductile cast iron (GGG50): with good strength and toughness, suitable for low and medium pressure working conditions.
2. Valve seat material
Stainless steel (such as 304): suitable for corrosive media.
3. Valve shaft: usually stainless steel (such as 20Cr13).
4.O-ring: stainless steel.

The use of temperature
generally room temperature can be applied to 0 ℃ to 80℃.

Adoption standard
Conform to GB, GB/T, EN, DIN, ANSI, API standard.

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