Emerson Process Management (tianjin) Valve Co., Ltd.

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Emerson Process Management (tianjin) Valves Co., Ltd

Emerson Process Management Valve Co., Ltd.

Zhengyu Chen

Zhimin Sun

Chun Gao

Xieqing Wang

Yi Liao

Jingjie Guan

Zhiqing Yu

Zhong Wei Yu

Qinglin Liu

Control valves and cages that are adapted to reduce flashing and cavitation. A cage for use with a control valve having an inlet, an outlet, and defining a flow passage between the inlet and the outlet. The cage includes a generally cylindrical body and having a central bore, an upper portion, and a lower portion and an inner wall, an outer wall, and an intermediate wall disposed between the inner wall and the outer wall. The inner wall includes an inlet opening and the outer wall including an outlet opening. The inner wall, the outer wall, and the intermediate wall cooperate to define a portion of the flow passage that extends from the inlet opening, through the cage along the inner wall, along the intermediate wall, past a terminal portion of the intermediate wall, along the outer wall, to the outlet opening.

Control valves and cages that are adapted to reduce flashing and cavitation

A valve plug assembly includes a support member having a support member body having a first end and a second end. A stem bore adapted to receive a valve stem may extend axially inward from the second end, and a mating protrusion may extend axially outward from the first end. The valve plug assembly also includes a plug tip having a first end and a second end, and a plug surface adapted to engage a valve seat is disposed adjacent to the first end. A mating bore may extend axially inward from the second end, and the mating protrusion may be received into the mating bore such that a threaded portion of the mating protrusion engages a threaded portion of the mating bore. Additionally, an adhesive bonds the threaded portion of the mating protrusion to the threaded portion of the mating bore.

Method of joining a ceramic plug tip and a steel support member using a threaded joint and an adhesive

A valve trim apparatus comprises a valve seat () and a closure member () to operatively engage the valve seat (). One of the closure member () and the valve seat () includes a plurality of annular ribs (), and at least one of the valve seat () and the closure member () defines at least one groove () to be positioned between at least two of the annular ribs () to receive material from a sealing surface () between the closure member () and the valve seat () when the closure member () is sealingly engaged with the valve seat ().

Valve trim apparatus having a cavity to receive contaminates from a sealing surface

Pillared clay catalysts for converting heavy oil or residual feedstock into maximum ethylene, propylene and butylene products comprises 30-75 wt % special pillared clays prepared by aluminum pillaring agents of high alkaline degree, 10-40 wt % inorganic oxide bonding agents, 0-30 wt % ZRP series high silicon zeolites with pentasil structure or Y-type zeolites, 0-10 wt % modified compositions of Mg, Al, K, P, Sn and polyethylene gycol, or 0-50 wt % Kaolinite matrix. The catalysts are prepared by mixing slurries, spray drying to form microspheric shapes, pillaring reaction and adding modified components. The catalysts have high catalytic activities, good light olefin selectivities and attrition resistance index. The products are suitable to be used as catalysts for hydrocarbon conversion, including CPP-catalyst for catalytic pyrolysis processes to convert heavy oil into ethylene and propylene, MIO-catalyst for yielding more isobutene and isoamylene products, and FCC-catalyst for yielding more gasoline and light cycle oil from heavy oil or residual feedstock, and also as adsorbents or catalyst carriers.

Pillared clay catalysts for heavy oil catalytic pyrolisis process and the preparation method thereof

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Tianjin, China

Zhengyu Chen