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The closing member of a stainless steel flanged globe valve is a plug-shaped valve disc with a flat or conical sealing surface. The valve disc moves in a straight line along the centerline of the valve seat. The valve stem movement type is commonly referred to as a “hidden stem,” while there is also a lifting and rotating stem type, commonly referred to as an “exposed stem.” A globe valve is a type of valve where the closing member (valve disc) moves along the centerline of the valve seat.

A fluorine-lined stop valve is a type of valve in which the closing member (disc) is driven by a valve stem and moves up and down along the center axis of the valve seat. It is a commonly used shut-off valve, mainly used to connect or shut off the medium in a pipeline, and is generally not used to regulate flow.

Double eccentric butterfly valve, also called high performance butterfly valve, is further improved on the basis of single eccentric butterfly valve, its structural characteristics of the butterfly plate rotary axis (i.e., stem axis) and butterfly plate sealing cross-section offset by one size, and with the valve body channel axis offset by one size. Compared with the centerline butterfly valve, the effect of double eccentricity makes the valve open and the butterfly plate can be quickly separated from the valve seat, greatly eliminating the unnecessary excessive squeezing and scraping phenomenon between the butterfly plate and the valve seat, reducing the opening torque, lowering the wear and tear, and improving the life of the valve seat.

ZZYP type self-operated pressure regulating valve does not require any external energy, the use of the regulated medium itself to regulate the actuator products.

When the medium flows in the specified direction, the valve is opened by the force of the medium: when the medium flows backward, the sealing surface of the valve and the valve seat is closed due to the self-weight of the valve and the role of the valve and the valve by the reverse force of the medium, to prevent the medium from flowing backward.

Counterclamp check valves are also known as backflow valves, backstop valves, backpressure valves, check valves. These valves are automatically opened and closed by the force generated by the flow of the medium itself in the pipeline.

The valve is a sphere, the outer surface layer of vulcanized rubber, the valve flap in the media under the action of the slide for up and down, so as to achieve the role of opening and closing.

Fluorine lined gate valve is a kind of valve. Fluorine gate valve opening and closing member is the gate, gate movement direction perpendicular to the direction of the fluid, gate valve can only be fully open and fully closed, can not be used for regulation and throttling. Gate has two sealing surfaces, the most commonly used mode gate valve two sealing surfaces to form a wedge, wedge angle varies with the valve parameters, the media temperature is not high for 2 ° 52 & # 39;. Wedge gate valve gate can be made into a whole, called the rigid gate; can also be made to produce a small amount of deformation of the gate, in order to improve its craftsmanship, to make up for the angle of the sealing surface in the processing of deviation, this gate is called the elastic gate.

1. Gate valve opening and closing member is the gate, the movement direction of the gate is perpendicular to the direction of the fluid, the gate valve can only be fully open and fully closed, can not be used for regulating and throttling. 2. gate valve gate with the stem together for linear movement, called the lifting stem gate valve (also called open stem gate valve). Usually in the lifting rod on the trapezoidal thread, through the valve end of the nut and the valve body on the guide groove, the rotary movement into a straight 3 line movement, that is, the operating torque into the operating thrust.