1-01 Self-acting valve Self-acting valve that relies on the ability of the media itself
1-02 Actuanted valve Actuated valve manually, electrically, hydraulically or pneumatically
2-01 Gate valve, slide valve The valve (slug gate) is driven by the valve stem and moves up and down along the sealing surface of the valve seat.
2-02 parallel gate valve,parallel slide valve gate valve with parallel sealing surfaces on both sides of the gate
2-03 Wedge gate valve Wedge gate valve
2-04 Outside screw stem rising through handwheel type gate valve The valve stem does the lifting movement, its transmission thread is outside the body cavity of the gate valve
2-05 Inside screw non-spooling type gate valve The valve stem is used as a rotary motion. Its transmission thread is inside the body cavity.
2-06 Quick open-and-close gate valve Valve stem for both rotary and lifting movements
2-07 Shrinkage gate valve Contraction cavity gate valve Valves with different diameters in the valve body, valve seat sealing surface diameter is less than the diameter of the flange connection valve
2-08 Flat gate valve This type of gate valve has points with diversion holes and no diversion holes. The flat gate valve with diversion hole can clear the ball through the ball. The flat gate valve without diversion hole can only Used as opening and closing device on the pipeline
3-01 Valves for opening and closing parts (discs) rotating around a fixed axis
3-02 Center line-type butterfly valve butterfly valve center of rotation (that is, the valve shaft center) is located in the valve body's center line and butterfly plate sealing section butterfly valve
3-03 Single-eccentric center butterfly vale The center of rotation of the butterfly plate (ie, the center of the valve shaft) is located on the centerline of the valve body and forms a butterfly valve with a size offset from the butterfly plate sealing surface.
3-04 Double-eccentric center butterfly valve The center of rotation of the butterfly plate (ie, the center of the valve shaft) forms a size offset with the butterfly plate seal section and forms a butterfly valve with another size offset from the valve body centerline.
3-05 Three-eccentric center butterfly valve The center of rotation of the butterfly plate (ie, the center of the valve shaft) forms a size offset with the disc sealing surface and forms another size offset with the centerline of the valve body; The centerline of the face forms an angle-biased valve with the centerline of the valve seat (ie, the centerline of the valve body)
4-01 Rotary valve Rotary valve The relative rotary motion of the opening and closing member along the valve seat seal surface axis
4-02 Ball Valve Ball Valve Rotating valve (opening) around an axis perpendicular to the passage
4-03 Float ball valve Ball valve without fixed shaft
4-04 Fixed Ball Valve Ball Ball with Fixed Shaft
4-05 Flexible ball valve Ball valve with elastic ball on ball
4-06 Plug Valves Cock,plug Valves for Opening and Closing (Plug) Around Its Axis
4-07 Clampyte plug valve Without plug, the seal between the plug and the plug sealing surface depends on the screw plug under the screw plug valve to achieve the plug valve
4-08 packing plug valve Cland packing plug valve
4-09 Self-sealing plug valve The seal between the plug and the plug body mainly depends on the pressure of the medium itself.
4-10 Lubricated plug valve Lubricated plug valve
4-11 Valves for Cock,plug Openings (Cylindrical Stoppers) Rotating Around Their Axis
5-01 Baffler valve Baffler valve (baffle) to move relative to the valve seat sealing surface outside the valve seat sealing surface, but does not pass through the valve seat sealing surface valve
5-02 Globe valve, stop valve The valve (valve) is driven by the valve stem and moves up and down along the axis of the valve seat (sealing surface).
5-03 Upper thread stem stop valve Outer screw stem stop valve
5-04 Lower thread stem stop valve Inside screw stem stop valve Stem valve thread in the housing
5-05 Globe Valve Globe Valve media inlet and outlet both channels in the same direction, a 180° stop valve
5-06 Angle pattern globe valve The inlet and outlet ports of the medium are 90° stop valves.
5-07 three way stop valve three way stop valve
5-08 Oblique type globe valve Globe and valve angle valve
5-09 Plunger type globe valve Plunger type globe valve is a variant of the conventional globe valve. Its valve disc and valve seat are designed according to the principle of the plunger; the valve flap is designed as a plunger, and the valve seat is designed. A complete set of rings, sealed by the cooperation of a plunger and a collar
5-10 Needle globe valve Needle globe valve smaller size than the nominal diameter of the globe valve
6-01 Throttle valve Throttle valve through the opening and closing parts (valve) to adjust the flow rate. Pressure of the valve
6-02 Trench type disc throttle valve is commonly used in the expansion valve in cryogenic devices
6-03 Window type disc throttle valve is suitable for the throttle valve with large nominal diameter
6-04 Plug Disc throttle valve Suitable for medium and small diameter throttling valves
7-01 check valve,Non-reture valve The valve (valve) by the media force, automatically blocking the media counter-current valve
7-02 Swing check valve Check valve for rotating the valve body around the fixed axis in the body cavity
7-03 Single disc swing check valve Single disc swing check valve Single disc swing check valve
7-04 Multi-disc swing check valve Swing check valve with more than two discs
7-05 Lift check valve Check valve for check valve movement vertical to valve seat hole axis
7-06 Foot valve installed on suction end of pump to ensure water filled check valve in suction pipe
7-07 spring load lift check valve Spring-loaded lift check valve This valve not only reduces the water hammer pressure, but also has a smooth flow path and low flow resistance.
7-08 spring-loaded annular disc lift check valve Spring-loaded annular disc lift check valve This valve has a smaller valve stroke than the conventional structure of the lift check valve, and it is closed by the spring load. Rapidly, therefore, more conducive to reducing water hammer pressure
7-09 Multi-annulus lift check valve This valve has the smallest disc stroke, so it closes more quickly
7-10 Butterfly swing check valve Similar in shape to butterfly, check valve acting as a check valve for rotation around a fixed axis (no rocker)
7-11 Line check valve Check valve that slides along the center line of the valve body. The valve is small, light weight, and has good processing technology, but the flow resistance coefficient is slightly larger than the swing check valve. Big
7-12 No-load running check valve This is a special purpose check valve, which is used for the outlet of the boiler feed pump to prevent the back flow and the emptying of the medium.
7-13 Dashpot check valve A buffer device is provided on a swing check valve or lift check valve to form a slow closing check valve. This check valve can effectively prevent water hammer.
7-14 diaphragm check valve Diaphragm type check valve This valve is a new structure of the check valve, although its use is limited by the temperature and pressure, but it prevents the water hammer pressure than the traditional swing type Check valve is much smaller
7-15 Tapered Diaphragm Check Valve This valve clip is installed between two flanges of the pipe, and the closing speed is extremely fast.
7-16 Annular woven diaphragm type check valve Annular woven diaphragm type check valve This valve uses a pleated ring-shaped rubber diaphragm, which has a very fast closing speed, but its application range is usually subject to pressure difference (△p<1MPa) and temperature (t Restriction of <70°C)
7-17 Ball check valve Rubber ball (single ball and multiple ball) under the action of the media, in the ball cover, in the direction of the center line of the valve body for a short trip back and forth to achieve its opening and closing action
8-01 ​​Safety valve An automatic valve that uses the force of the media itself to discharge a nominal amount of fluid without any external force to prevent the pressure in the system from exceeding a predetermined safe value. When the pressure returns to normal, the valve Reclose and stop the media from flowing out
8-02 Weighted safety valve A check valve that uses a lever and a hammer to balance the valve pressure. This structure can only be used on fixed equipment. The weight of the hammer should not exceed 60kg.
8-03 Spring type safety valve Spring type safety valve that uses the force of the compression spring to balance the pressure of the disc and seal it. The spring force of such safety valve should not exceed 20000N in general.
8-04 Pulse type safety valve This valve designs the main valve and the auxiliary valve to actuate the main valve through the pulse action of the auxiliary valve. This structure is usually used for large diameter. Large displacement and high pressure system.
8-05 Low lift safety valve The valve disc opening height is 1/40~1/20 of the valve seat throat safety valve.
8-06 Fall lift safety valve Poppet opening height is equal to or greater than 1/4 of seat throat diameter
8-07 Totally enclosed safety valve All sealed bonnet tgpe safety valve When discharging, the medium will not leak to the outside, but it will be discharged through the drain pipe. This structure is suitable for flammable, explosive and toxic media.
8-08 Half sealed bonnet type safety valve When the discharge is opened, part of the medium is drained through the drain pipe, and the other part leaks out from the fitting between the bonnet and the valve stem. This structure is suitable for general steam. And media that are environmentally friendly
8-09 Open type safety valve Exposed type safety valve When the discharge is opened, the medium is directly discharged from the top of the valve flap. This kind of safety valve is suitable for applications where there is no requirement for environmental pollution.
8-10 Direct loaded safety valve Direct loaded safdty valve Directly loaded with a mechanical load such as a weight, lever weight or spring to overcome the force generated by the media pressure under the disc
8-11 Safety valve with auxiliary device Assisted safety valve This safety valve can be opened under a normal opening pressure by means of a power assist device. Even if the auxiliary device fails, these valves can still meet the requirements of the standard.
8-12 Safety valve with supplementary load Supplementary loaded safety valve This safety valve always maintains an additional force to enhance the seal before the pressure at its inlet reaches the opening pressure. This additional force (supplementary load) can be provided by external sources of energy and is safe. When the valve reaches the opening pressure, it should be reliably released. Its size should be set such that if the additional force is not released, the safety valve can still reach the rated displacement without the inlet pressure exceeding the opening pressure percentage prescribed by the national regulations.
8-13 Pilot operated safety valve A safety valve that is driven or controlled by a pilot valve. The pilot valve itself should be a direct-load safety valve that meets the requirements of the standard.
8-14 Lever and weight loaded safety valve Lever and weight loaded safety valve
8-15 Bellows seal balance safety valve Bellows seal balance valve that uses the bellows to balance the back pressure to keep the opening pressure constant
8-16 Duplex safety valve Connects two spring-loaded safety valves in parallel, with the same inlet safety valve set
9-01 Pressure reducing valve Through the throttling of opening and closing parts, the medium pressure is reduced, and the energy of the medium itself is used to make the pressure behind the valve automatically meet the predetermined requirements of the valve.
9-02 Piston reducing vakve Piston reducing vakve with piston as sensing element and valve flap
9-03 Diaphragm reducing valve Diaphragm reducing valve with membrane as sensing element
9-04 Air bag type reducing valve Relief valve that balances the pressure of the valve with the pressure of the media behind the valve into the air bag.
9-05 Spring diaphragm reducing valve Spring diaphragm reducing valve Spring and diaphragm are used as sensing elements to drive the valve to lift and lower the valve.
9-06 Bellows valve reducing reducing valve The bellows mechanism uses the bellows mechanism to drive the valve to lift the valve.
9-07 Lever reducing valve Using a lever mechanism to drive the valve to lift the valve
9-08 Fixed pressure reducing valve Pressure reducing valve with fixed outlet pressure
9-09 Proportionging pressure reducing valve Pressure reducing valve with certain ratio between outlet pressure and inlet pressure or a certain reference pressure
9-10 Fixed differential reducing valve Pressure reducing valve with certain pressure difference between outlet pressure and inlet pressure or some reference pressure
9-11 Direct-acting reducing valve Direct-acting reducing valve using valve outlet pressure change
9-12 Pilot-operated reducing valve Pilot-operated reducing valve consists of a main valve and a pilot valve. The outlet pressure changes through amplifying the pressure reducing valve that controls the main valve.
9-13 Pilot operated pressure reducing valve Main valve In the pilot operated pressure reducing valve, the valve controlled by the pilot valve to regulate the flow medium.
9-14 Pilot valve Pilot valve In a pilot operated pressure reducing valve, a pre-valve that controls the operation of the main valve.
9-15 Direct acting pressure reducing valve Direct accing reduding valve Pressure reducing valve with the same force applied to the disc by the inlet media
9-16 Reverse acting reducing valve A pressure reducing valve in which the force of the inlet medium on the valve flap is opposite to that of the sacral flap
9-17 Balanced reducing valve Pressure reducing valve with close to or equalized force applied to the valve by the inlet media
10-01 Steam Traps Steam trap Valves that automatically drain condensate and stop steam from leaking
10-02 Mechanical steam trap Mechanical steam trap which drives the opening and closing parts by changing the condensate level to complete the steam trap
10-03 Ball float steam trap Ball trap steam trap is a hollow ball that floats in the condensate.
10-04 Free-ball float steam trap Free-ball float steam trap is caused by the change of liquid level in the condensate inside the housing. The valve can open and close the valve (free float). This valve can discharge saturated water and can continuously discharge condensation. water
10-05 Lever-ball float steam trap Lever-ball float steam trap The opening and closing of the opening and closing parts (lever floats) caused by changes in the level of condensate in the housing. The characteristic of this valve lever mechanism is that it can expand the buoyancy. , can be used for large displacement occasions
10-06 Free-semi-ball float steam trap Free-semi-ball float steam trap is a freely movable hemispherical float (free half-float ball). The float itself has the function of a valve disc. It has no hinge. Lever and connecting bar The structure that can open and close the valve port is also the simplest structure steam trap
10-07 Inverted bucket steam trap Inverted bucket steam trap Inverted bucket steam trap has its float opening downwards. The level change of condensate in the float causes the opening and closing of the opening and closing parts. Most of the valves do not directly fix the valve flap. Instead of a float, a lever mechanism is used to increase buoyancy
10-08 open upward float steam trap Open bucket force steam trap This valve is also called floating bucket steam trap. It is a steam trap that uses a float bucket in the condensate to drive the opening and closing parts.
10-09 Hot-statical steam trap Hydro-statical steam trap is a steam trap that drives the opening and closing parts to change the temperature of the condensing water.
10-10 bellows type steam trap Bellsws seal steam trap This valve is in the serpentine tube container, that is sealed in the corrugated tube with a low boiling point, volatile liquid as a temperature sensing element. The valve flap is fixed on the bellows. With temperature changes, the bellows expands and opens and closes the steam trap
10-11 Membrane-box steam trap Membrane-box steam trap This valve is a steam pressure type, which actuates the opening and closing action by the imbalance between the pressure of the condensate and the vapor pressure of the volatile liquid in the deformable element. The valve will not produce air lock
10-12 Bimetal elements steam trap Bimetal elements steam trap Steam traps that use bimetal to deform by heat to drive the opening and closing parts. The valve will not block.
10-13 Hot-motive force steam trap Hot-motive force steam trap is a steam trap that drives the opening and closing parts to change the dynamic characteristics of the condensate.
10-14 Disc steam trap Dise steam teap A steam trap that uses the different thermodynamic properties of steam and condensate, and their static and dynamic pressure changes to actuate the valve.
10-15 Pulse steam trap Impulse steam trap Steam traps that use the secondary evaporation of steam in two-stage throttling, resulting in changes in the steam and condensate pressures, and the actuation of the opening and closing elements.
10-16 Labyrinth Orifice Steam Traps Orifice steam trap This type of steam trap is used to control the discharge of condensate from the orifice and to change the hot condensate to reduce the outflow of steam.
11-01 Diaphragm valve Diaphragm valve Opening and closing parts (diaphragms) are driven by the valve stem and move up and down along the axis of the valve stem and separate the action mechanism from the media.
11-02 Globe diaphragm valve Diaphragm valve with similar body shape to globe valve body
11-03 Diaphragm valve with sealing pair in ribbed structure and diaphragm
11-04 Wedge diaphragm valve Diaphragm valve with similar shape as a single gate of gate valve and wedge gate valve
12-01 Multi Purpose Valve Multi Purpose Valve
12-02 Serew-down stop check valve A valve that functions both as a stop and a check, and is suitable for applications where the mounting position is limited.
12-03 Serew-down stop check and throttle valve A three-way valve that can function as a stop, check, and throttling valve. This valve is used in a large number of wells and water injection devices.
12-04 Serew-down stop check and safety valve
12-05 Check-ball valve A dual purpose valve that can be used as a check and ball valve