RISING STEM GATE VALVES
Rising stem gate valve produced by MstnLand, a China gate valves manufacturer, can be used in many situations. The opening and closing part of a rising stem gate valve is the gate, and the movement direction of the gate is perpendicular to the direction of the fluid. The rising gate valve can only be fully opened and fully closed, and it cannot be used to adjust or throttle. When the rising stem gate valve is fully open, it has no effect of disturbing the water flow. Sealing is achieved by metal rings on the wedge and the valve body. When the rings are mated to each other, they will provide a seal. By turning a rotary valve stem with functional threads, the wedge moves up and down, allowing the rising stem gate valve to be opened and closed.
Rising Stem Gate Valves Features
Application
Rising stem gate valves produced by professional valve factory are usually made of cast or forged steel and they are suitable for crude oil, water, steam, gas and other non-abrasive media. Rising stem gate valves are designed with a straight bore pattern with rising stem, male threads, yoke, bolted bonnet and stainless steel trim. The open and closed positions of the rising stem gate valve are easily distinguished by the position of the valve stem. The wedges can be replaced without removing the valve from the pipe.
Easy check
With its extensive capabilities, users can detect from a distance whether a valve is open or closed and take an immediate action. Additionally, an optional protection tube located at the top of the rising stem gate valve acts as protection for the rising stem, preventing obstructions from touching the valve stem and indicating whether the valve is fully open. On the stem, accessories such as actuators, extension shafts, gearboxes, sprockets, etc. can be assembled.
Bidirectional flow
Rising stem gate valves allow bidirectional flow direction and are used to close or open media flow. This type of valve can be installed in both horizontal and vertical positions in piping systems. Rising stem gate valves are widely used in processing industries such as palm oil and oil refineries, food industry, petrochemicals, fire protection systems, power plants and cooling systems.
Rising Stem Gate Valves Advantages
Light weight
The body of rising stem gate valves is made of high-grade ductile iron, which is about 20%~30% lighter than the traditional China gate valve and is easy to install and maintain.
Flat-bottomed gate seat
The traditional gate valve often accumulates in the groove at the bottom of the valve due to objects such as stones, wood blocks, cement, iron filings, sundries, etc. after the pipe is washed with water, which is easy to cause the water leakage that cannot be closed tightly. The bottom of the elastic seat seal gate valve adopts the same flat-bottom design as the water pipe machine, which is not easy to cause debris accumulation and makes the fluid flow unobstructed.
Integral lagging
The gate is made of high-quality rubber for the overall inner and outer covering. The first-class rubber vulcanization technology in Europe enables the vulcanized gate to ensure accurate geometric dimensions, and the rubber and the ductile cast gate are firmly bonded, with the advantages of being not easy to fall off and good elastic memory.
Precision casting valve body
The valve body adopts precision casting, and the precise geometric dimensions make the valve body not need any finishing inside to ensure the tightness of the rising stem gate valve.
Rising Stem Gate Valve Vs Non Rising Stem Gate Valve
Rising and non-rising stem gate valves have their own advantages. The stem of the rising stem gate valve is exposed, so whether the valve is open can be easily seen. The stem of non-rising valve produced by professional non rising stem gate valve manufacturers is invisible, so the valve cover needs to be opened to know whether the valve is open. However, the non-rising stem valve takes up less space, while the valve casing protects the stem from corrosion. In addition, their stem moves differently. The stem of the rising stem valve moves up and down through the steering wheel and threads while the stem and steering wheel of the non-rising stem valve are relatively stationary, so the movement of the stem can be realized by direct fixed-point rotation.
If you want to know more about rising stem gate valve drawing and rising stem gate valve dimensions, please visit our website.
We can offer sorts of different types of valves for sale, if you have needs, please leave us a message.
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