Shanghai Guanhuan Valve Manufacturing Co,, Ltd.

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The leading products of Shanghai Guanhuan Manufacturing Co., Ltd. cover 13 major categories, specializing in the intelligent manufacturing of high-quality, high, medium and low-pressure large-diameter gate valves, ball valves, butterfly valves, check valves, globe valves, regulating valves, steam traps, pressure reducing valves, plug valves, plungers Valves, discharge valves, diaphragm valves, hydraulic control valves and filters; It includes the following series: pneumatic valves, electric valves, self-operated valves, anti-corrosion lined PTFE valves, rubber lined valves, wear-resistant ceramic valves, forged steel valves, bellows valves, power station valves, oil field valves, American standard valves, oxygen valves Valves, vacuum valves, cryogenic valves, non-standard custom metallurgical valves And special metal valves are referred to as special material valves (titanium valves, nickel valves, zirconium valves, duplex steel valves, Monel valves, Hastelloy valves and control devices, etc.

Three piece forged steel trunnion ball valve

Ball valve series

The ball valve is mainly used to cut off, distribute and change the flow direction of the medium on the pipeline, and the ball valve designed with a V-shaped opening also has a good flow regulation function. The ball valve is suitable for frequent operation, quick and easy to open and close. And it has small fluid resistance, simple structure, relatively small volume, light weight and easy maintenance. The good sealing performance is not limited by the installation direction, and the flow direction of the medium can be arbitrary.

Bi-directional Metal Seated Plug Ball Valve

Flange Center Plate Butterfly Valve (Worm Gear)

Butterfly valve series

Guanhuan butterfly valve product series are widely used in thermal pipelines, boiler auxiliary systems, petrochemical and metallurgical industries because of their compact structure, small size, light weight, convenient operation, reliable performance, and simple maintenance. Corrosive and non-corrosive media. Its products are divided into centerline, single eccentric, double eccentric and triple eccentric structures. The metal hard seal butterfly valve has an eccentric structure. It is the extension and development of the general soft seal butterfly valve to the medium and high pressure field. In addition to the original characteristics of the butterfly valve, it also has anti-aging, anti-radiation, durable, long life, high temperature and high pressure resistance. Features such as wide range of applications.

Gate valve series

The gate valve is a gate of the opening and closing part. The direction of movement of the gate is perpendicular to the direction of the fluid. The gate valve can only be fully opened and fully closed, and cannot be adjusted or throttled. The gate valve is sealed by the contact between the valve seat and the gate plate. Usually, the sealing surface will be surfacing with metal materials to increase wear resistance, such as surfacing welding 1Cr13, STL6, stainless steel, etc. There are rigid gate valves and elastic gate valves. According to the different gate valves, gate valves are divided into rigid gate valves and elastic gate valves.

Stainless steel internal thread globe valve

American standard bevel gear globe valve

Globe valve series

The globe valve is suitable for cutting or regulating and throttling. Because the opening or closing stroke of the valve stem of this type of valve is relatively short, and it has a very reliable cut-off function, and because the change of the valve seat opening is proportional to the stroke of the valve disc, it is very suitable for flow adjustment. It can be used to control the flow of various types of fluids such as air, water, steam, various corrosive media, mud, oil, liquid metal and radioactive media.

Check valve series

Check valve, also known as non-return valve, check valve, one-way valve or check valve, is used to ensure the directional flow of the medium in the pipeline without backflow. The bottom valve of the water pump suction pipe also belongs to the check valve category. Check valves are automatic valves, which are used in pipelines in various working conditions such as petroleum, chemical, pharmaceutical, chemical fertilizer, and electric power industries. The applicable medium is water, oil, steam, acidic medium, etc.

Pneumatic hard seal to clamp butterfly valve

Wafer Triple Offset Butterfly Valve（Pneumatic）

Pneumatic lug type center line butterfly valve

Pneumatic valve series

Pneumatic valves are valves driven by compressed air. When purchasing pneumatic valves, only the specification, category, and working pressure are specified to meet the procurement requirements. It can be used to control various types of fluids such as air, water, steam, various corrosive media, mud, oil, liquid metal, and radioactive media. flow. It is not perfect in the current market economy environment. Because of the competition of products, pneumatic valve manufacturers carry out different innovations under the concept of unified design of pneumatic valves, forming their own corporate standards and product characteristics. Therefore, when purchasing pneumatic valves, it is very necessary to put forward technical requirements in more detail and coordinate with manufacturers to reach a consensus as an attachment to the pneumatic valve procurement contract. This type of valve should generally be installed horizontally in the pipeline.

High temperature and high pressure power station gate valve

Intelligent explosion-proof electric ball valve

Top entry eccentric hemispherical valve (electric)

High pressure double acting parallel gate valve

Electric stainless steel floating ball valve

Electric valve series

Simply put, the electric valve is to use an electric actuator to control the valve, so as to realize the opening and closing of the valve. It can be divided into upper and lower parts, the upper part is the electric actuator, and the lower part is the valve. It can also be called air conditioning valve.
The electric valve is a high-end product in the automatic control valve. It can not only realize the switch function, but also realize the valve position adjustment function. The stroke of the electric actuator can be divided into two types: 90° angular stroke and straight stroke. Special requirements can also meet 180°, 270°, 360° full stroke. The quarter-stroke electric actuator is used with the quarter-stroke valve to realize the internal rotation of the valve at 90° to control the on-off of the pipeline fluid; the straight-stroke electric actuator is used together with the straight-stroke valve to realize the up and down movement of the valve plate to control the on-off of the pipeline fluid.

Gas valve series

The gas valve is a new type of safety supporting device for gas pipeline engineering. It is used to cut off, connect and adjust the gas in the pipeline, and has good control characteristics and closing and sealing performance. Applicable to city gas, liquefied petroleum gas, natural gas, oxygen and other gas medium pipelines.

Three-way Fluorine Lined Diaphragm Valve

Pneumatic Fluorine Lined Diaphragm Valve

Fluorine valve series

Fluorine-lined valves, also known as fluoroplastic-lined corrosion-resistant valves, are molded (or inlaid) of polytetrafluoroethylene resin (or processed profiles) on the inner wall of steel or iron valve pressure parts (the same method It is suitable for the lining of various pressure vessels and pipeline accessories) or the outer surface of valve internals, and it is made into various valves and pressure vessels by utilizing its excellent performance in resisting strong corrosive media.

German standard corrugated pipe gate valve

DIN Bellows straight through globe valve

Bellows valve series

It is often used in occasions that require strict sealing of the valve stem, such as high vacuum occasions and nuclear industry. Bellows are used instead of the stuffing box on ordinary valves or used together with the stuffing box to make the stem part leak-free, to prevent the leakage of radioactive or valuable materials, or to maintain a high vacuum.

Special material valve series

Special material valves get their name from the structure that separates fluids. The disc-shaped valve accommodated in the valve body moves at right angles to the flow path to open and close. It is a sealing structure utilizing the wedge effect of the valve. From the point of view of sealing, the valve is not fixed on the valve stem, but can move freely in the sealing direction. When the valve is fully closed, both valve seats are of a sealable structure.

Large diameter valve series

Large-diameter valves refer to general-purpose valves and special valves that are used in piping systems with larger sizes, generally with a nominal diameter of DN200 and above, and valve diameters generally ranging from DN200 to DN3000. Large diameter valves are mainly used in petrochemical, electric power, metallurgy, chemical industry, water treatment and …