Our subsea valve portfolio includes trunnion mounted ball valves, gate valves through conduit slab, double expanding types and nonreturn valves swing. We carry an extensive line of products and complementary services that cover virtually every segment. The valve lifetime in some difficult applications of the hydrocarbon processing industry hpi polypropylene or polyethylene production for example is usually 4000 to 8000 hrs. Perar websiteperar website perar ball valves the best. Perar website productsperar website perar ball valves. Whether its critical, lethal, toxic or aggressive, youll find flowserve valves doing the job around the world.
Founded in 1962, perar is one of the first italian manufacturers of high quality ball valves. Perar trunnion mounted ball valves intended for dirty, sandy or high temperature services are designed with metaltometal sealing between the ball and the seat rings. Ball valves side entry trunnion, bolted body, up to 60, class 150 2500 api 6d side entry trunnion, bolted body, up to 60. Resilientseated ball valves featuring memoryseal seating technology, low emissions packing chambers, and other valueadded technical features for superior performance. However, to overcome the needs of our customers on short delivery, a joint venture company has been set up with the name of the valve alliance. Pm sourcing can obtain and work in a collaborative partnership to pledge successful material delivery. All the above dimensions and weights could be subjected to changes by perar spa without. Via grigna, 37 20027 rescaldina mi italy has been assessed and found to comply with respect to the conformity assessment. The valve alliance, based in leicester uk, stocks trunnion mounted perar ball valves, from 2 to 24, class 150 to. Again the orientation of the butterfly determines the flowrate.
Poppet valves have an advantage over plate valves because there is less accumulation of the powder like substances that are usually to be found in the gas. Ball valve all orders for repair parts must contain the following data. Trunnion mounted lip seal global supply line valve. These comprehensive evaluations include onsite audits, inspection at the source, receiving inspections and destructive material testing. His groundbreaking ball valve seating principle, patented in 1935, was considered by many at the time to be the first major advancement for valves in half a century. On this page you can download valve top works drawings giving details of the stem and mounting arrangements allowing actuator maounting brackets to be designed.
Formed in 1956, petrolvalves has grown to a company with sales, services and manufacturing facilities throughout the world with direct presence in the united states, norway, united kingdom, italy, singapore and australia. Concentric butterfly valve double offset butterfly valve concentric type vnotch segmental. Kf valves may be designed, manufactured and tested in accordance with other international standards on request. Our control d ball valve was developed in answer to a us navy request for a quiet valve solution. It extends over an area of 53,100 square metres, of which 24,600 square metres are under cover. Brand named gvs, our products are based on the most advanced technologies and are used in all sectors.
All parts illustrated are indexed to the parts list by key. Butterfly valves use a similar principle to ball valves. Balon ball valve storage 2 balon ball valve installation 2 maintenance for all balon ball valves 2 balon ball valve operation 3 seal kit contents 4 series f and s screwed end and flanged end, lever operated parts list 5 series f and s screwed end and flanged end, lever operated repair instructions 6. Since 1973 sferova has been designing and manufacturing valves with the help. Let our team utilize inventory andor locate the material for your day to day project needs, resulting in reduced man hours and overall project savings. Our valves are subject to rigorous inspections throughout the manufacturing process. Kf series p3 ball valves 5 kf series p3 applicable standards the following list contains the most important applicable standards for ball valves. Welcome to top valve industries top valve industries is a brand of flow control products that provides the industry with a multiple range of sizes and pressures in the current expanding and growing oilfield markets. Borsig valvetech gmbh offers maintenance, repairs and conversions as well as the production of spare parts for ball valves.
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. They are manufactured in a wide range of sizes and pressure classes typically. Company profile rev 07 15 engineering staff and project assistance. Perar recommend fully welded body construction to prevent potential leakage. Alfa valvole has been manufacturing high quality industrial ball valves since 1971. Borsig leading technology for innovative solutions valves. The following exploded view and accompanying parts list facilitate ordering repair parts from the factory. The development of the company started as a leading supplier in gas industry, all over the domestic market. Perar trunnion side entry top entry ball valves 20.
One of the most comprehensive valve product lines available from any manufacturer. Ball valves 1 cryogenic valves 1 float valves 1 main engine spares 1 auxiliary engine spares 1 pressure reducing valve 1 safety valve 1 more brands. Complete model number located on the valve id plate, including size. Perar ball valves, well known worldwide for their reliability and quality, are the result of continuous research and development efforts to improve technological and production activities. Ty part name material lf2f316 material f316f316 special np 1 name plate stainless steel stainless steel 2a top cover screw astm a193 b8 astm a193 b8. Velan has been manufacturing ball valves for the oil and gas industries for over twenty years and has held api 6d approval.
Other materials are also available none a105 bodycap, 316ss ball, 630ss stem bl lf2 bodycap, 316ss ball, 630ss stem m 316ss bodycap ball, 630ss stem nominal size nps 2 to 24 product coding for kitz trunnion mounted ball valves soft seated metal seated example. Floating ball valve trunnion mounted ball valve dbb compact manifold double ball other type ball valve. The design of perar welded body ball valves perar trunnion mounted topentry ball valves minimizes the potential leak paths making add a full inline maintenance capability to the these valves suitable for buried installations and advantages. The weight and overall dimensions are optimized by applying a shaped design. Whether in the api 6a market, or 6d our quality engineered products are proven and reliable with over 60 years of combined experience from our management in the oilfield industry. In such a way the pressure loads are transferred to the valve body granting a. Quality thatnull the best guarantee of safety trunnion mounted ball valves 2 perar ball valves, one of the first since 1962 founded in 1962, perar is one of the first italian manufacturers of high quality ball valves.
Perar recommend fully welded body construction to prevent potential leakage from the. Velan products memoryseal ball valves topentry ball. Like all the groups factories, it complies with the strictest standards of health and safety and holds all the. This international standard is not applicable to subsea pipeline valves, as they are covered by a separate. Weights chart page15 of20 pressure seal gate valve class 600 mps in dn mm wtrf kg wtbw kg 2 50 70 62 212 65 95 80 3 80 100 84 4 100 148 115 5 125 208 150 6 150 245 171 8 200 320 215 10 250 430 268 12 300 515 318 14 350 670 5 16 400 905 570 18 450 1150 720 20 500 1445 890 24 600 2080 1285 26 650 2445 1510 28 700.
The factory in rivanazzano terme, where the ball valves, plug valves and butterfly valves are produced, is the groups headquarters. Ball valves are mainly used for isolation in transmission pipelines, on shore terminals, offshore platforms, fpso vessels, liquefied natural gas plants, esdv. It is one of the leading italian manufacturers of high quality pipeline and industrial valves. Our new workshop in leegebruch expands our valve service portfolio significantly. Compact trunnion mounted side entry ball valves perar. You benefit from our many years of experience in ball valve fittings with diameters from 25 to 2,600 mm dn 1 104. These parts are hardfaced using different coatings, such as tungsten or chromium carbides, depending on process. The body construction comes in 2 or 3pieces depending on the sizeclass. All the above dimensions and weights could be subjected to changes by perar spa without any notification. Generally, all pressure must be relieved from both sides of the valve before the actuator is removed.
Table of contents section e section side entry trunnion b ball valves b1 b6 side entry ball valves are valves where the ball is assembled from the side part. Installation, operation and maintenance manual for power ball valves. Bbj series floating dbb compact manifold ball valve bsj series trunnion mounted dbb compact manifold ball valve ba series jacketed ball valve. Designing and manufacturing severe service valves for 28 years. Trunnion mounted side entry welded body ball valves perar. Perar engineers have developed a comprehensive range of subsea valves, operators and hydraulic actuators to deliver complete tailor made packages meeting the highest subsea speci. Split body side entry ball valvesperar website perar website. Revolutionary improvement in safety combines with enhanced performance for the best in class cryogenic ball valve. Fully welded body trunnion mounted side entry ball valves. Flowserve trunnion mounted control ball valve tmcbv. Advanced engineering valves developed this double eccentric c ball valve to revolutionize the cryogenic ball valve market for lng.
Nearly 80 years later, the same engineering technology is still used to safeguard against seat rubbing a leading factor for why orbit valves today are worldrenown for high. The valves do not rely on lubricant or grease to assist sealing between the ball and seat also when metaltometal sealing is used. Welded body side entry ball valvesperar website perar website. Thats because extended service life, safe operation and environmental protection are at the core of every valve we manufacture. Main design characteristics and attributes of perar sub sea ball valves are generally the same for topside valves, with additional features to withstand the external pressure. Warren valve maintains the highest quality standards in the industry. Sferova srl is an italian company and leader in the production of ball valves, whose aim is to supply products of the highest level of quality and reliability to the energy sector.
Installation, operation and maintenance manual valve repair. From the most common application to the most severe, velan has a solution. Perar italy ball valves ubsco united business system. The development of the company started as leading supplier in gas industry, all over the domestic market.
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