Tonglu Yongxin Valve Co.,Ltd. was founded in 1994, is one of the largest manufacturers in the production of valve,from Tonglu,China. Since 20 years' hard work, probity, and innovation "attention to detail, careful to do everything, has continued to move" to build the first national manufacturer of valve "and make unremitting efforts. Due to our scientific management and Seiko secret agents, as well as "to all customers, all services to the customer" philosophy respected, got the trust of new and old customers.
The 500X relief/hold valve is mainly used in fire fighting or other water supply systems to prevent system overpressure or to maintain pressure in fire fighting water supply systems.
The bottom valve,also known as the reverse stop valve, is a low-pressure plate valve, whose function is to ensure the single flow of liquid in the suction pipe, so that the pump works normally when the pump stops working for a short time, so that the liquid can not return to the water tank, and the suction pipe is filled with liquid to facilitate the start of the pump.
The valve is a kind of energy saving valve, generally installed in the bottom valve of the water pump suction pipe to limit the return of liquid water in the water pump pipe, mainly used in the pumping line.
XUVAL rubber expansion joints are flexible connectors made from natural or synthetic elastomers in which special fabrics are embedded to provide physical reinforcement. rubber expansion joints provide a proven and flexible solution to accommodate many types of movements and requirements of industrial plant and equipment.
XUVALdouble sphere rubber expansion joints are designed for piping systems to absorb pipe movements, relieve stress, reduce system noise/vibration, compensate for misalignment/offset and to protect rotating mechanical equipment against start-up surge forces. XUVAL double sphere rubber expansion joints are inherently stronger than the conventional hand-built style spool arch type. Internal pressure within a “sphere” is exerted in all directions, distributing forces evenly over a larger area. The spherical design “flowing arch” reduces turbulence and sediment buildup. Features and Benefits: Absorbs Directional Movement Thermal movements appear in any rigid pipe system due to temperature changes. XUVALdouble sphere rubber expansion joints allow for axial compression or axial extension, lateral deflection as well as angular movement.
ANSI/ASME rubber expansion joints come in diameters from 1" to 152", and can be made with any elastomer material. Because single, double, and triple arch models are available, various movement requirements can be met. Non-standard designs are manufactured as required.
This product is suitable for seamless pipe, welded pipe, ductile pipe, cast iron pipe (PVC,PPR,PE pipe, steel-plastic pipe). It can be operated with water pressure in rush repair without using electricity. It only needs a wrench to quickly connect and repair.
The plug valve, the opening and closing part (conical plug or ball) rotates around its center line. The plug valve USES the plug body with a through hole as the opening and closing part, and realizes the opening and closing action through the rotation of the plug body and the valve stem.
Asphalt special valve (also known as plug valve) belongs to the valve, its opening and closing parts (conical plug or ball) around its own center line rotation plug valve is used with the plug with a through hole as the opening and closing parts, through the rotation of the plug body and valve stem to achieve the opening and closing action of the valve.
Oil-sealed plug valve is suitable for cutting off or connecting the pipeline medium under nominal pressure PN10, working temperature -29 ~ 100℃ in urban construction, chemical industry, metallurgy, petroleum, pharmaceutical industry, food, beverage, environmental protection industry and other working conditions.
The opening and closing part of the insulation plug valve is a perforated cylinder that rotates perpendicular to the axis of the passage to achieve the purpose of opening and closing the passage.
Two - way insulation plug valve is an industrial equipment parts, composed of valve body, plug, etc.
The purpose of three-way all-copper plug valve is to be installed in the pipeline mainly for cutting, distributing and changing the direction of medium flow.
Three - way internal screw plug valve in the pipeline is mainly used for cutting, lifting and changing the direction of medium flow.
Two - way internal thread plug valve suitable for media: water, gas, steam, oil, nitric acid, acetic acid,etc.
Plug valves are shutoff or plunger shaped rotary valves that open or close a valve by rotating 90 degrees so that the port on the plug is identical to or separate from the port on the body.
X43W|X43T type plug valve is suitable for opening and closing of water, oil, gas and other medium pipelines with nominal pressure of 0.6-1.0mpa and temperature ≤100℃
Double port exhaust valve, also known as double port exhaust valve.It is suitable for the industrial medium as water pipeline, as a rapid removal of gas in the pipeline equipment.It is also a necessary equipment to improve the efficiency of water transport equipment and protect the pipeline from deformation and fracture.
Double orifice kinetic air valve, For water...
The product is composed of rubber double ball vulcanized and metal parallel flexible joint with inner layer, reinforcement layer and outer rubber layer composite model.It is characterized by high pressure resistance, good elasticity, large displacement and deformation, good shock absorption and noise reduction effect, flexible installation, and long applicable life. It can be widely used in hotel, factory, residential water heating pipe system and circulation pipe system, sanitary pipe, chemical anticorrosion pipe and freezing pipe, etc.
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