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Main Product
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Double Eccentric Flange Butterfly Valve
RKS fluid was founded in 1997. We are a production workshop for both foundry and machining, research & development center, and quality inspection cent...
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Swing check valve
Swing check valve is mounted with a disc that swings on a hinge or shaft. The disc swings off the seat to allow forward flow and when the flow is stop...
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Hydraulic Control Valve
Features： Fully bore globe pattern design, lowest head loss while fully open Keep stable working condition even the flow rate close to zero High sens...
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Ball Check Valve
Ⅰ Business area: fluid control products, technology and environmental protection products. Ⅱ Advanced CNC machining centers, professional process ce...
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Metal Seated Gate Valve
RKS fluid was founded in 1997. We are a production workshop for both foundry and machining, research & development center, and quality inspection cent...
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Resilient Seated Gate Valve
Series: SASQUATCH series soft seal gate valve Port size: DN50 - DN900 (NPS2-NPS36) Pressure rating: PN10, PN16 Temperature: 0℃~80℃ Connection: Flange Certificate: CE ,WRAS,API,OHSAS18001:2007,ISO9001:2015
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Resilient Seat Butterfly Valve
Series: HYDRA Series Resilient Seat Butterfly Valve Temperature: -29℃ ~ +120℃ Pressure: PN6, PN10, PN16(Class 150) Port Size: DN32-DN2400(NPS1 1/4-NPS96) Power: Manual, Electric, Pneumatic, Hydraulic
News
The Difference Between A Lug and Wafer Butterfly Valve
Butterfly valves have been around for a long time, and are used for a variety of applications. They made their first appearance during the 1930s, and have been utilized by several industries ever since. Often made out of cast iron, butterfly valve's name is based from the functionality of its disc.
Wafer type butterfly valve installation instructions and steps
The wafer butterfly valve is one of the most common types of valves in industrial pipelines. The structure of wafer butterfly valve itself is relatively small. It is only necessary to put the butterfly valve in the middle of the flange at both ends of the pipe, and use the stud bolt to pass through the pipe flange and the pair.
How Does a Pressure Reducing Valve (PRV) Work?
Manual valve operation method
The manual valve is a valve operated by the handle and the hand wheel, and is a commonly used valve on the equipment pipeline.
Twenty-five Taboos for Valve Installation
Valves are the most common equipment in chemical companies. It seems easy to install valves, but if they are not implemented in accordance with the re...
Valve common standards and differences
DIN standard now uses EN standard structure length
EN 558-1 PN flange connection valve construction length (instead of DIN 3202), EN 558-2 CLASS flange connection valve construction length (instead of BS2080), EN 12982 butt weld end valve construction length (instead of DIN 3202), DIN standard The length of the structure including the length of the API valve is basically the same as the length of the GB...
Resilient Seated Gate Valve
Resilient-seated gate valve with bolted cover connection; made of ductile iron materials and with epoxy coating, designed as both clockwise and anti-c...
Butterfly Valve Seat & Seal Ring Replacement Method
The butterfly valve disc is a key component of the butterfly valve, which acts on closing and opening and closing. Butterfly valve seat and butterfly ...
What's the working principle of Kieselguhr Filter?
What is Kieselguhr Filter? What's the working principle of Kieselguhr Filter? The kieselguhr filter (Candle filter / Cake Filter) which we for customized for fluorine chemical plant six more lithium fluoride phosphate phosphorus process have been installed and working for two years
New designed PTFE RPTFE sealing replaceable seat high performance butterfly valve
MINOTAUR series replaceable seat high performance butterfly valve
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Valve Corrosion (3)
2019-04-18In the case of corrosive medium working conditions, anti-corrosion is the most critical place for chemical equipment. If the metal material of the chemical valve cannot be correctly selected, it is slightly inadvertent, and the equipment is damaged, which may cause accidents or even disaster.
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How to choose the corrosion-resistant valve for some common chemical media? -
Valve Corrosion (2)
2019-04-16Valve parts anti-corrosion precautions.
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Corrosion damage of the valve body is mainly caused by corrosive media, and the problem of valve stem corrosion is mainly filler... -
Valve Corrosion (1)
2019-04-15How to prevent corrosion of the valve? Reasons, measures, and methods of selection!
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Corrosion is one of the important elements that cause valve damage. In valve protection, valve corrosion protection is an important issue to consider. What is the corrosion of the valve? How should the valve be preserved? What is the basis for the selection of corrosion-resistant valves? Take a look! -
Valve Certification
2019-04-12Valve Certification include: ISO 9001, ISO 14001, OHSAS 18000, EU CE certification, CU-TR, API certification, SIL, fire test certification...
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Valve legend symbol
2019-04-04The valve legend includes a legend for each type of valve, which also contains symbol information for various commonly used valves such as ball valves, butterfly valves, gate valves, and globe valves...
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Manual valve operation method
2019-04-01The manual valve is a valve operated by the handle and the hand wheel, and is a commonly used valve on the equipment pipeline.
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Valve selection basis and selection guide
2019-03-28The types of valves are particularly complex, and the structure and materials are also different. The selection of valves is crucial for long-term operation of the equipment in working conditions. In today's social industry, the demand for valve products is more and more extensive, and users should have further understanding and knowledge of valves and other aspects...
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The material of the rubber seals commonly used in valves（2）
2019-03-271. Butyl cyanide rubber (NBR) is an irregular copolymer of butadiene and acrylonitrile monomer synthesized by emulsion polymerization. Its molecular structure is: -(CH2-CH=CH)m-(CH2-CH2-CH)n - CN...
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The material of the rubber seals commonly used in valves（1）
2019-03-22Tensile properties are the first properties to be considered for sealing materials, including: tensile strength, tensile stress, elongation at break, and permanent deformation...
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DIFFERENCE BETWEEN AN ELECTRIC AND PNEUMATIC ACTUATOR
2019-03-19Electric as well as pneumatic actuators are quite well known for their varied uses. In case you are confused as to which type of actuator out of these two will suit your needs, then we are there to help you...
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DIFFERENCE BETWEEN 304 AND 316 STAINLESS STEEL VALVES
2019-03-14Valtorc 316 stainless steel valves is a using pressurized water worked, diaphragm actuated valve in a lessened port globe arrangement produced altogether of 316 Stainless Steel...
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RKSfluid New Generation Valve Seat
2019-03-13RKSfluid lastest generation butterfly valve seat is in production.
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The following is comparison of the old and new generation seats...