Lower torques mean less costly actuation packages, and the maintenancefree design helps keep your budget under control. Wafer type butterfly valves with concentric design. Series 250 tripple eccentric double flanged type metal seated butterfly valve en 1092 din 2501, pn 6, pn 10, pn 16 bs 4504 pn 6, pn 10 iso 2084 pn 6, pn 10 ks jis, 5k, 10k, 16k semi lug type series 220 document. Butterfly valves data sheets downloads hakohav valves. In order to download a dwg file or pdf file to your hard drive, right click on the link and save target as. Valves common types butterfly valves butterfly valves use a similar principle to ball valves. Butterfly valve type 578 gf piping systems english. Steel wedge gate valves are classified by wedge type. This allows the reuse of existing actuation when replacing legacy butterfly valves in most cases.
The series 2021 valve not only surpasses the high standards required in sanitary valve applications, but it also has unique inherent flow characteristics and capabilities. Epoxy powder coated body blow out proof stainless steel stem. A butterfly valve is used to shut off or modulate the flow of a fluid isolation and regulation. En 12266 leakage rate a iso 5208, category 3 temperature range. Aquaseal 10 integrallymoulded butterfly valve in pn 10 aquaseal 16 integrallymoulded butterfly valve in pn 16.
When open, the disc is edgeon to the flow and the fluid passes around it, offering limited resistance. Series 815 asme class 150 and series 830 asme class 300 waferffsphere high performance butterfly valves w1016 en technical bulletin 919 3 flow data continued to determine c v values for a valve in an intermediate position. The 14 through 60 butterfly valves are shipped individually with the faces covered using cardboard or plywood to protect the flange sealing surfaces. Valves can be categorized also based on their function. Installation and maintenance guide for nibco butterfly.
Butterfly valves are offered in wafer and lug types. Published on august 31, 2017 august 31, 2017 26 likes 3 comments. At siemens, we continuously challenge ourselves to improve butterfly valves to exceed hydronic system demands with improved performance, efficiency and value. Types of valves covered include gate valves, globe valves, ball valves, plug valves, diaphragm valves, reducing valves, pinch valves, butterfly valves, needle valves, check valves, and safetyrelief valves.
Valve gain is the incremental change in flow rate produced by an incremental change in plug position. Valve design testing manufacturing international standard download free. Flowseal high performance butterfly valves are available in sizes from 2 48 in asme pressure classes 150, 300, and 600 and are available with a diverse range of actuation options. Butterfly valve consists of a disc that rotates on a shaft at right angles to the fluid flow. Which type of butterfly valve to be specified wafer,lug or doubleflanged. Provides information on applications of many types of valves. Butterfly valves can be used as a control valve at an opening angle between 30 and 90. Emerson is where technology and engineering come together to create solutions for the benefit of our customers, driven without compromise for a world in action. The specifications and material grades shown are subject to revision without notice based on our product improvement programme. This product is a double eccentric butterfly valve, which controls fluid by 90degrees rotation of the disc. For valves supplied with amaterial, chainwheel, the positive restraint option is recommended. The unique double eccentric design from georg fischer means the disc is not in contact with the seal in the open position. Types bfv 125150 lug type bfv 125150 wafer installation butterfly valves are manufactured in accordance with the specifications from iso 5272, international.
These valves satisfy a wide range of industrial applications and are available in carbon steel or stainless steel, as well. Integral epdm cartridge type replaceable liner hand lever or gearbox operated versions available. Resilient seated butterfly valves with valve body and disc in high engineered composite material providing excellent internal and external chemical resistance. Butterfly valve types wafer, lug, double offset and. The type 240 series pneumatically actuated wafer style butterfly valve from georg fischer is the ultimate choice for the high demands of the industrial world. Concentric butterfly valves, wafer, lugged and flanged technimex. Different types of valves with pdf file engineering.
In lever version, the opening angle is clearly indicated on the index plate. All types of actuators can be supplied, whether manual or automatic. The seat is in ushape rubber liner, which covers inside of the body, is. Rubber seated butterfly valve, sizes 3 through 20 inches. However, instead of a ball mounted in the valve body a circular disc called a butterfly because the two half circles around the vertical shaft appear like wings. Resilient seated ductile cast iron and cast iron butterfly valve series available in sizes 2 24 and 26 40. Wafer pattern butterfly valve type z 011a technical data nominal diameter. Belimo wafer type and lug type butterfly valves are maintenancefree. Please read these instructions carefully and save them for future reference.
Nero butterfly valves wafer and lug type nero butterfly valves wafer type. Which type of butterfly valve to be specified wafer,lug. High strength butterfly valve disc with hand polished edge and. Product information butterfly valve discssolid butterfly disc, 316 l. Butterfly valve types wafer, lug, double offset and triple offset types a butterfly valve is a quarterturn rotary motion valve, that is used to stop, regulate, and start the flow. A regulation to an opening angle below 30 is not recommended due to high flow rates and cavitation, which results in early damage of the valve. The manufacturer shall have produced awwa butterfly valves for a.
Butterfly valves wafer type 1600kpa 16 bar wafer disc available in nickelplated cast iron, bronze and cf8m 316 stainless steel. So we set our sights on designing the best version of the most widely used butterfly valve type to be more robust and last even longer. Click here to download this entire section, or select specific data sheets in the list above. This gain is a function of valve size and type, plug configuration and system operating conditions. Dimensions, materials and applicability of these valves should be. Wafer type butterfly valves flange bolt dimensions. Applications suitable for heating and conditioning hvac, water treatment and water distribution, industrial applications, agricultural purposes for compressed. Econ butterfly valves are being supplied by several eriks operating companies. Butterfly valve tosv is the only design of its kind that has a field replaceable seal and seat ring. Closure is obtained by driving a taper wedge gate between two similar taper wedge seats. The centric replaceable liner butterfly valve is capable of bidirectional. Introduces the functions of the basic parts common to most types of valves. The contents of this website are presented for information purposes only, and while effort has been made to ensure their accuracy, they are not to be contrived as warranties or guarantees, expressed or implied, regarding the products or services described herein or their use or applicability. Neotecha neoseal lined butterfly valves wafer and luggedneotecha shaft connectiondn 40300 metric data valve dimensions wafer and lugged mm size dn type overall dimensions wide ftf weight w l w l kg a b b c d d e n x f m g oh oj ok or s x y nsw e y w l notes slotted locating holes for wafer and lugged version according.
Lug type ansiclass 150 fast runner part nr mainly for the us market. Types of butterfly valves api 609 projectmaterials. The most suitable type of actuator will be chosen in each case in accordance with the working conditions and characteristics of the facility. Concentric rubber lined butterfly valve 2 piece split body ptfe lined butterfly valve double eccentric high performance butterfly valve triple eccentric high performance butterfly valve dual plate check valve engineering data 04 12 14 17 20 22 valve configurations scale drawing to actual size application this catalog remains the property of ms. Butterfly valves dimensions 212 robert james sales. En 558 series 20 iso 5752 series 20 api 609 table 1 flange accommodation. Products at the heart of all we do more than the some of the parts but theyre not all that make the eriks range industrys best option. En 1092 pn 61016 asme class 150 as 4087 pn 16 flange surface design. Butterfly valves make an excellent choice by combining the balance of an economical valve with the performance you expect in a commercial, hvac and an industrial butterfly valve. Api 609 centric butterfly valves soft seated are preferred to gate and ball valves for lowpressure and noncritical applications as they are cheaper, lighter and easier to install. Dimensions ulfm kennedy butterfly valve wafer type remarks. This unique and improved design provides operating torques that are 15% lower than the original design. Lug style butterfly valves type 578 of gf piping systems gf piping systems butterfly valves reliable product solutions, now updated by means of. Download valve catalogue, pdf drawing, ga drawing, cross sectional arrangement design drawing, 3d model drawing, valve strainer filter sight glass flow indicator operation and maintenance manual download from here free.
The new generation of butterfly valves and actuators from belimo. Designed specifically for the waterworks industry, lineseal butterfly valves offer the ruggedness and reliability required for buried service and performance. Butterfly valves shall be manufactured in accordance with the latest revision of awwa c504, class 150b and conform to nsf standard 61. Butterfly valves wafer type o 1600kpa 16 bar o wafer disc available in nickelplated cast iron, bronze and o cf8m 316 stainless steel. These valves feature precisionmachined parts insuring years of dependable operation.
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