Showing 168 Companies
Zhengzhou, Henan , China
China Valves Technology (Changsha) Co., Ltd is a recognized leader in supplying valves, actuators, forging and castings, valve locks and related services to the nuclear power, fossil power, hydropower, oil & gas, chemical and petrochemical, water treatment and other industries.
Xiamen, Fujian, China
XIAMEN BOFA VALVE CO., LTD is a China valve manufacturer & supplier. The professional sales and service team started the business in valves from 2010. BOFA people are continuously supplying the superior-quality valves to Europe, Russia, South East Asia and South America.
Wenzhou, Zhejiang, China
Zhejiang Detai Valve Manufacturing Co., Ltd is a China-based manufacturer and supplier of valves. Detai’s product portfolio includes gate valve, globe valve, check valve, ball valve, Y type strainer, cryogenic valve, etc. With ISO9001:2000 and CE certified products, Detai caters to multiple industries such as electric power, chemical,...
Shanghai, Hebei, China
Alfa Casting is a joint venture Dutch-China, we are manufacture of various high performance butterfly valves, our valves manufacture by European Standard, and our products ruled by, EN, ASME,API,JIS standard, we start from European market, and we have got nearly all Marine Certificates.
Shanghai, China
ABLTi Corporation, ABL Titanium, a professional high technology enterprise in China, which engaged in research and development, production, processing and sales for pure titanium and titanium alloy products.
Montreal, Quebec, Canada
Velan is a world leader in the design and production of a wide range of cast and forged steel gate, globe, check, ball, triple-offset butterfly, knife gate, highly engineered severe service valves, and steam traps offering superior performance across all major industrial applications.
Collingwood, Ontario, Canada
chemical Goodall® has produced the gold standard in industrial hose solutions for over 100 years. Since then we have made a name for ourselves right across North America. Now Goodall® is a brand that is recognized worldwide.
Edmonton, Alberta, Canada
We design, engineer & manufacture specialty valves of all types and fluid handling components. For 30 years we have offered the following resources: Engineering research, design, drafting, prototyping and testing products from production manufacturing (including machining, assembly, special processes, sourcing of exotic materials and parts)R & D
Lachine, Québec, Canada
FluoroSeal Inc. is a privately owned company with headquarters located in Montréal, QC, Canada and specializing in manufacturing and servicing of a full range of Sleeved and Lined industrial Plug Valves. Under current ownership since 2000 and experiencing a steady growth since, our staff is now composed of over 200 employees worldwide.
Edmonton, Alberta, Canada
Dyna-Flo specializes in *FISHER® process control equipment. Whether it is reconditioning your existing *FISHER Control Valves or *FISHER Valve Parts, supply of completely reconditioned or new valves and valve parts, Dyna-Flo has a solution that will meet your needs.
Knowledge Grid
Gain insights into valve manufacturers that are leading the segment, with Energy Dais Growth Quadrant. The Energy Dais Growth Quadrant is based on digital presence, revenue growth, user satisfaction and other factors.
The difficult and challenging operating conditions posed by the oil and gas industry have constantly kept the equipment suppliers and production personnel on high alert. Unique and extreme conditions are present for the service of valves in the industry. Adding to this is the remote location of valve services, bringing to surface another set of peculiar obstructions. It is extremely important that valves are engineered properly for smooth and reliable operations. With the advancement of technology, performance expectations are higher than ever and myriad layers of operations need to be addressed.
Frequently Asked Questions: Valves
Valves find application in all the segments of the oil and gas industry- upstream, midstream and downstream. The main objective of a valve is to control the flow of the medium through a system. Valves are used to start, stop the flow, modulate and control the flow of the fluid, change the direction of the flow, regulate the pressure of the process and protect the piping system. Through effective use of valves, safety and efficient operation of the processes is ensured.
In the upstream segment, valves control the flow of crude oil and natural gas from high-pressure injection systems to choke valves and BOPs installed at the top of wells. In the midstream segment, long pipelines require compressors along the way to keep the product moving, and valves are asked to protect equipment while offering minimal restriction to the flow. When it comes to the downstream sector, the valve requirements include higher pressure designs and metal-seating technology and metallurgies to accommodate the temperatures at which modern refineries operate.
Multi-turn valves are also referred to as Linear Motion Valves. Under this category, the different types of valves are: Gate, Globe, Pinch, Diaphragm and the Needle valve. They are employed to accommodate a diverse range of flow medium. Their objective is to minimize turbulence, erosion and pressure drop.
The refinery segments employing valves are atmospheric distillation, vacuum distillation, hydro treating, catalytic reforming, fluidized catalytic cracking, alkylation, hydro cracking, delayed coking, sulfur recovery, visbreaking, gasification, cube treating and gas plants. For these applications, the ideal type of valves differs widely. However, generally they include multi-torn valves, HF alkylation valves, quarter-turn valves and flow reversal protection valves.
The Control Valves are particularly designed to ensure accurate proportioning control of flow. They automatically vary the rate of flow based on signals received from sensing devices in a continuous process.
The most commonly used valves across the oil and gas industry are: Gate, Globe, Check, Ball, Butterfly, Strainers, Control, Plug and Safety valve.
For the upstream sector, Gate Valves produced with higher alloy materials, are the most relevant and on some occasions, Ball Valves. Their usage is due to their strong resistance to corrosion. Isolation Valves play a crucial role in midstream applications to obstruct the flow during maintenance. As far as the downstream sector is concerned, the valve design solutions are diverse owing to various levels of harsh environment.
They are also known as Rotary Valves. They form the most versatile selection of valves with categories like Plug, Ball and Butterfly valve. The objective is to provide protection against erosion damage, solids that accumulate on the sealing surfaces and in cavities, and residual freeze up, which can prevent operation and cause leakage from packing wear.
The Check Valves, under the category of Self- Actuated Valves, are particularly designed to prevent backflows. When the fluid flows in the desired direction, it allows the valves to open up and the valves are closed during backflow.
Various critical factors need to be considered while selecting a valve such as, the substance to be handled and the required flow rate, the requirement that the valve controls in the manner demanded by the service conditions, capacity of the valve to withstand maximum working pressure and temperature, resistance to corrosion and erosion, actuator and maintenance requirements.