【KIST VALVE GROUP】One-stop industrial valve products supplier.Core Products:Gate Valve,Oilfield Valve,Knife Gate Valve,Globe Valve,Ball Valve,Check Valve...

About Us

About Us

Kist Valve Group

Founded in 1988, KstValve Co., Ltd. is a joint-stock enterprise integrating valve research, development, production, sales and service. The company is divided into Wenzhou factory and Quzhou factory, with a registered capital of 200.88 million RMB. The company has more than 280 employees, including 58 technicians and experts and 8 senior engineers. The company has obtained 38 patented products such as high temperature wear-resistant lined gate valve and high wear-resistant hard seal ball valve. Now it is a member of China General Machinery Valve Association, a first-class supply member of PetroChina, Sinopec, CNOOC, a member of coal chemical and natural gas supply and so on.

Products

Research and develop, produce and sell all kinds of industrial valve products to provide comprehensive solutions for relevant fields

GATE VALVE

GATE VALVE

Kist Valve Group can provide all kinds of American standard and national standard gate valve products, with a caliber from 1 / 2 inch-56 inch gate valve and diversified materials

GLOBE VALVE

GLOBE VALVE

Kist Valve Group can provide all kinds of American standard and national standard globe valve products, with a caliber from 1 / 2 inch-36 inch stop valve products and diversified materials

CHECK VALV

CHECK VALVE

Kist Valve Group can provide all kinds of standard and national standard check valve products, caliber from 1 / 2 inch-24 " check valve products, diversified materials

BALL VALVE

BALL VALVE

Kist Valve Group can provide American standard and national standard of various ball valve products, caliber from 1 / 2 inch-56 inch ball valve products, diversified materials

Solutions

Kist Valve Group nearly 20 years of produce experience in the industrial valve, to offer you a one-stop solution

Oil Industry

Chemical Refining

Energy and Power

Petroleum

Shipbuilding Industry

Our Products

Main products of the Kist Valve Group: full valve series, automatic control valve series, large ball valve, high temperature and high pressure special valve engineering department, and pipeline supporting accessories.

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5.5

Annual output value of RMB 550 million

16

Sixteen branches

650

650 outstanding staff

71

71 Property patents

New Dynamics

KIST-Continuous self-challenge never stops！

Electric Ball Valves: How They Work, Selection Guide & Key Standards

Electric Ball Valves: How They Work, Selection Guide & Key Standards

2025-04-16

Motorized ball valve that is by the valve electric device and ball valve two parts. Valve electric device as the power output part, drive the ball valve stem rotation, and then drive the ball core rotation. The medium for switching, regulating, directional, merging, shunting and other control. Has and transmission distance, signal sensitivity and high precision, easy to control, simple wiring and so on.

Structural Characteristics and Differences Between Low-Lift and Full-Lift Safety Valves

Structural Characteristics and Differences Between Low-Lift and Full-Lift Safety Valves

2025-04-10

Low-lift safety valves open gradually (1/40–1/20 of seat throat diameter) with proportional pressure response, suited for liquids and low-pressure gases. Their discharge coefficient ranges 0.07–0.16, featuring compact seats (one size smaller than nominal diameter). In contrast, full-lift valves achieve rapid, full-opening (1/4 throat diameter) via a reverse-flow disk mechanism, delivering 5–10x higher discharge coefficients (0.7–0.8). Designed for steam/gas systems requiring fast pressure relief, they incorporate two-stage opening, snap-action reseating, and enlarged outlets (one size up). Structural distinctions include seat sizing (two sizes smaller for full-lift) and specialized models for high-efficiency applications.

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