If you have any questions, please contact us immediately, we will reply in the shortest. If not in use, exercise the butterfly valve full open and close at least once a month. Pov valve company, a professional manufacturer of butterfly valve established in the year 2003, which is located in the industrial development zone of wuhu city, anhui province, china. Mdt manual actuator with awwa nut, handwheel or chainwheel. Flange hole drilling per international flange standard as specified. Pdc flanged series 39 butterfly valve 4 thru 14 for 125. Inspect the valve and surrounding area for previous or existing leakage at flange faces or shaft connections. This highperformance valve is offered with a full variety of options for greater application versatility in industrial and chemical processing applications. If the butterfly valve is downstream of a check valve, the clearance between the two discs must be checked. Fd5775 butterfly valve ductile iron, flanged, 285 psi. For more information, please check the documentation tab below or send us an email. The same valve mounted with one flange, in dead end service, has a 520 kpa 75 psi rating. Valve reliability 5 garlock butterfly valves section through the head flange. Butterfly valve paraseal range, keystone, isolation valves emerson.
The butterfly valve shaft should be oriented as shown in figure 4. Wafer type butterfly valves flange bolt dimensions. Butterfly valve ductile iron, flanged, 285 psi fd5765. Velan products torqseal tripleoffset butterfly valves. How to specify rx butterfly valves rx size type end drilling body disc shaft seat operator example. If you prefer to speak with one of our engineers, please call 7707400800. Unrestricted selection of face to face dimensions for api,asmeansi, bs. Standard and factory installed lug insert designs available. Flange dimensions and mass will vary with flange accommodations. Weatherproof actuator housing approved for indoor or outdoor use. Kitz lug style butterfly valves are rated for bidirectional dead end service to full working pressure of the valve with the downstream flange. At siemens, we continuously challenge ourselves to improve butterfly valves to exceed hydronic system demands with improved performance, efficiency and value. A noncorrosive bushing and a selfadjusting stem seal shall be provided. Resilient seated butterfly valves series 200 225 250.
Data sheet ba double flanged butterfly valve 5 valve dimensions for pn16 double flange valves facetoface length type ba double flanged valves meet the requirements of bs en 558 iso 5752 basic series. Butterfly valve types wafer, lug, double offset and. Bray series 32 or series 33 wafer or approved equal. Keystone figure 55 double flanged butterfly valve double flanged valve design for services in the water treatment industry features the centric disc offers bidirectional service and allows with its symmetric shape high kv cv values. Some companies use a u shaped valvethis is cheaper. After 15 years of development, we have extensive experience in the production and processing of soft seal butterfly valves. Length cap screw machine bolt cap screw blind stud stud blind hole cap screw qty. Full range of general purpose butterfly valves for flange mounting. Butterfly valves the new belimo butterfly valves d6n with wafer type and d6nl with lug type are suitable for all openclose standard applications in heating and cooling water circuits. You also get the assurance of the nibco warranty, along with superior customer service expertise. Ansi 125150 din pn10 din pn 16 flowserve rx butterfly valves rubber seated available in a wide variety of seats including nitrile, epdm, ept, neoprene, silicone, hypalon, viton, halarlined.
Learn about types of butterfly valve that used in piping. With the internal stemdisc splined drive design there is no need for pins or bolts that may create leak paths or turbulence in the waterway. Butterfly valve flange type butterfly valves flange. A major design advantage of bray valve product lines is international compatibility. Installation and maintenance guide for nibco butterfly. Choice among 4 disc and 2 seat materials and manual, pneumatic or electric valve. Pdf 19kb quick reference flange chart our quick reference flange chart compares flange dimensions across ansi, din and jis standards, verifying performance class and sizes. Fd5775 butterfly valve ductile iron, flanged, 285 psi on. The valve shaft should be oriented parallel to the plane of the pump discharge elbow i. Operate the valve from full open to full closed to assure operability.
Kitz lugged type butterfly valves are rated for dead end service to full working pressure of the valve with the downstream flange removed. Flowseal high performance butterfly valves are available in sizes from 2 48 in. Cryogenic lng butterfly valve laminated seat solid seat. With the internal stemdisc geometric drive design, there is no need for pins or bolts that may create leak paths or turbulence in the waterway. Hand lever manual worm gear single or double acting pneumatic actuator. Velan is a world leader in the design and production of a wide range of cast and forged steel gate, globe, check, ball, tripleoffset butterfly, knife gate, highly engineered severe service valves, and steam traps offering superior performance across all major industrial applications. Q is the disc chordal dimension at face of valve for disc clearance into pipe fitting or equipment. The nibco ductile iron lug butterfly valve provides ease of operation with quarterturn 90 degrees open to close.
Lug type, wafer type, double offset and triple offset butterfly valves. Ld2000 butterfly valve ductile iron, lug type, 200 psi. Based on the fact that the butterfly valve is available in various designs intermediate flange, end flange and in different materials, it meets the requirements of various applications and processes. The memory stop can be set to any preset opening point. The valve consists of an epoxy powder coated ductile iron body and epdm rubber encapsulated dualseal disc. Q dimension is the minimum allowable pipe or flange inside diameter at the centered body face to protect the disc sealing edge against damage when opening the valve.
In dead end service exceeding 96 hours, a downstream flange is recommended. Kitz butterfly valves are designed and manufactured to perform in a broad range of applications. En122661 applications water and waste water and hvac no part name material spare part 1 body ggg40 2 disk aisi 304 aisi 316 aluminium bronze. The optimum spacing would be such as to only allow the flange gasket to be installed, at the maximum, and the flange bolt holes. Astm a126, class b cast iron for 8 20 flanged valves or astm a536 654512 for wafer style and 3 6 flanged valves. Flanged valves shall be fully faced and drilled in accordance with ansi standard b16. Get the best deals on flanged butterfly valves when you shop the largest. Valves with seats in viton or silicone are limited to 6 bar 90 psi maximum pressure wafer, lug, or double flange flange connections available. Keystone butterfly valve paraseal range the paraseal range.
Neles bo series butterfly valve for recovery of oxygen in vacuum pressure swing adsorption vpsa plants language options. Valves, flanges, fittings, couplings, copper nickel. Butterfly valve wafer type eo en e s o p q n r i b. Butterfly valves, since their invention in 1960s became on of the most. Duvalco ba double flanged butterfly valves are of the concentric type with vulcanised. Triple eccentric flanged type metal seated butterfly valve face to face. Get the best deals on flanged butterfly valves when you shop the largest online selection at. Butterfly valves wafer type o 1600kpa 16 bar o wafer disc available in nickelplated cast iron, bronze and o cf8m 316 stainless steel. Our range of general purpose butterfly valves have been designed to provide a cost effective solution to your flow control and product shutoff requirements. Actuator mounting flange and stem connection i universally designed to iso 5211 for direct mounting of bray power actuators and manual operators. Check flange bolting, actuator mounts and hangers for evidence of loosening and correct as needed.
Iso long larger than dn 600 is available on request. Butterfly valves double offset kennedy series 614 to eniso standards kennedy valve kennedy valves with its unique features have been used in water and fire protection industry since 1877. Growth has been constant with the addition of an awwa butterfly valve, general service butterfly valve, swing check valve, rubber flapper check valve, double disc check valve, wafer outside spring check valve, globe style check valve and compact wafer check valve. Proper alignment of any butterfly valve between flanges is critical to good performance of the valve. Stud lengths also assume heavy hex nut heights per ansi b18.
The valve body can be configured in wafer, lug, double flanged short or long, buttweld, cryogenic, and offset top entry. Valve body designed to limit seat compression to optimum dimensions. Ansi class 150 wafer lug size wafer a1 lug a2 b c d. Butterfly valves are the workhorse in a hydronic system needed to isolate flow with bubbletight shutoff. The pdc flanged series butterfly valve is available in sizes from 4 thru 14 in a combination of materials and optional features suitable for most midrange differential pressures and service conditions. A wafer type butterfly valve is easy to installed but it cannot be used as an isolation valve. 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. Hp series high performance double offset butterfly valve. Center line 67 series 200 manual iron flanged 2in butterfly valve.
Butterfly valve installation guidelines nibco butterfly valves are bidirectional and may be installed with flow in either direction. Check piping andor wiring to actuators and related equipment for looseness and correct as needed. Again the orientation of the butterfly determines the flowrate. Wafer series cwr semilug series csr lug series clr flanged series cfr. Flanged, lug and wafer style valves are designed and suitable for installation between ansi class 125 or 150 flanges. Ductile iron is the only body material we offer, allowing our lug style butterfly valve to be full rated for bidirectional dead end service. Available in sizes from 200mm to mm bore as standard smaller sizes. Series 705 firelock butterfly valve supervised open. Product information butterfly valve discssolid butterfly disc, 316 l stainless steel material 1.
Flange locating holes j provide quick and proper alignment during installation. Quality is designed into series 200, 225, and 250 butterfly valves from center line. Since upstream pressure is excluded between the flange and the seat face by the demco valve s flange seal design, there is no effective force to slide the seat downstream the 2 to 12in 50 to 300mm lug butterfly style demco valves are suitable for liquid service up to 200 psi with downstream. Since upstream pressure is excluded between the flange and the seat face by the demco valves flange seal design, there is no effective force to slide the seat downstream the 2 to 12in 50 to 300mm lug butterflystyle demco valves are suitable for liquid service up to 200 psi with downstream. A lugstyle butterfly valve used in dead end service generally has a reduced pressure rating.
Butterfly valves provide bidirectional deadend service in commercial and industrial service. The replaceable seat is equipped with a resilient seal to ensure no residual flow between the seat and valve body. The shaft is sealed against atmospheric pollution and corrosion by two orings. Our 61 series butterfly valves conforms to en iso standards and has been designed to maintain the high quality and integrity of. Pdc flanged series 39 butterfly valve 4 thru 14 for 125150. Butterfly valve discssolid butterfly disc, 316 l stainless steel material 1. Wafer, semi lug, lug and flanged type global valve center. The concentric placed valve stem ensures low operating torque values. Features conform to the specification of jis and japanese government offices it conforms to the specification of jis b2032 wafer type rubberseated butterfly valves and japanese government offices as a valve used for supply water services or air. Lengths are based on the minimum flange thickness of weld neck flanges per ansi b16.
These valves feature a phenolic backed or aluminum backed cartridge seat and precisionmachined parts to assure years of dependable operation. Gvc triple eccentric metal seated butterfly valves suitable for bidirectional flow and. The vbflyphl stayflow butterfly valve design in pvc or cpvc provide exceptional chemical and corrosion resistance and improves on traditional linerseat type valve. If control connection is needed, it can be integrated to observe the shaft tightness. The valve features a bunan encapsulated ductile iron disc. Butterfly valves butterfly valves use a similar principle to ball valves.
Industry certifications tx3 valves have obtained numerous industry certifications so that the valve can be used around the world. A more robust butterfly valve design that lasts even longer. En558, api 609, iso 5752, awwa, bs, jis and ks fire safe design. Artesion butterfly valve brochure artesion butterfly valves offer a quality range of wafer, lug and flanged butterfly valves to various standards and application. To order, specify distance from valve mounting flange to base of operator. Choice among 4 disc and 3 seat materials and manual, pneumatic or electric valve. Memory stop the memory stop provides an adjustable stop when the valve is used in a balancing application. To make your selection easier, nibco offers specification and submittal assistance. An epdm seated butterfly valve shall not be used for all oil applications. The valve lining, covering the complete inside of the valve body, provides good protection to the valve body and also acts as flange gasket making normal flange gaskets redundant.
Butterfly valves engineered by bray including resilient seated butterfly valves, double offset high performance butterfly valves, triple offset premier isolation butterfly valves and high performance valves for the sugar industry. Once installed, one can simply let the robust, durable and maintenance free shutoff. Flange accommodation must be specified when ordering. The nibco ductile iron butterfly valve provides ease of operation with quarterturn 90 degrees open to close. Butterfly valves are designed with face to face dimensions according to international standard. The fnw figure hp high performance butterfly valves are designed to fit between ansi b16. The butterfly valve actuator of choice for shutoff service in water. Aquaseal plus integrallymoulded butterfly valve in class 150.
Metaltometal thrust bearings in the flow stream are not allowed. When the model sj300f butterfly valve is used in a fire protection pipeline, installation shall conform to nfpa and nfpa 72. The wafer body is placed between pipe flanges, and the flange bolts surround the valve body. Pratt hp series high performance double offset bfv during its product development phase, the hp series waferlug butterfly valve was tested to ensure that it met our. Butterfly valves double offset kennedy series 614 to eniso. Butterfly disc edge will hit pipe flange resulting in valve damage and leakage.
Brays series 3a3ah resilient seated butterfly valve is a double flanged design which can be used for deadend service. Ld2000 butterfly valve ductile iron, lug type, 200. Valve bearings valve bearings shall be of a selflubricating, nonmetallic material to effectively isolate the discshaft assembly from the valve body. Bare stem, infinite position plate and lock, lever lock, manual gear operator, not recommended for steam service. As part of crane valve group, flowseal high performance butterfly valves are backed by the resources and experience of one of the worlds largest valve producers with a delivery and quality track record that is unparalleled in the industries we serve. For example, a lugstyle butterfly valve mounted between two flanges has a 1,000 kpa 150 psi pressure rating. Lug 125 threads per inch number of tapped holes through blind qty. Resilient seated butterfly valves have been designed to be suitable for all types of flanges asme, din, jis and other international flange standards, whether flatfaced, raised face, slipon, weldneck, etc. Visit our official website to view our competitive advantage products, work with us to generate more valve business.
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