With a tradition of more than 70 years, keystone built its reputation on providing industrial process butterfly valves known for their reliability, long service life, and reduced operating costs. Keystone emerson us keystone valves keystonevalves. Keystone figure 250 and 251 hygienic butterfly valves wafer type wafer flanged style stainless steel hygienic butterfly valves for easy in line valve replacement or maintenance f250 for imperial tubing, f251 for metric tubing features this unique stainless steel wafer flanged valve allows easy removal from the pipeline. Q is the disc chordal dimension at face of valve for disc clearance into pipe. Keystone butterfly valve paraseal range dn 502400 1.
Amri provides high corrosion and ultra high purity resilient seated butterfly valves. China keystone butterfly valves manufacturers select 2020 high quality keystone butterfly valves products in best price from certified chinese valve manufacturers, butterfly valve suppliers, wholesalers and factory on. It also reduces weight while maintaining mechanical strength. Keystone figure 990991 butterfly valves, keystone en pdf. Conform to iso 5211 standard, with integrated recess for accurate actuator. This site uses cookies to offer you a better browsing experience.
Keystone ped operating and safety instructions resilient seated butterfly valves maintenance read all warning labels fitted to the valve. Our comprehensive shutoff valve line features both manual and pneumatic drive options, including lockable handles and vertical actuators. Keystone resilient seated butterfly valves figure 221 and 222. For valves which need to be fitted with the valve in a position other than fully closed, it may be necessary to fit the valve into the pipeline prior to mounting the actuator to the valve. Pentair hygienic butterfly valves f250f251 formerly sold under the brand keystone are used in all segments of hygienic applications. 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. Flowseal high performance butterfly valves are available in sizes from 2 48 in.
Flexibility is provided by a unique packing design which is suitable for both. Figure 9 butterfly valve, keystone, isolation valves emerson. Keystone figure 990920 butterfly valve emerson electric. Keystone series gr resilient seated butterfly valves. Their manufacturing combines lean manufacturing principles with continuous quality auditing and a zero harm work ethic. Keystone grwgrl resilient seated butterfly valves data sheet. The advantage to keystone valves of the knife gate variety is that they are used very well in applications such as mining, pulp and paper, as well as. Where pneumatic valve positioners, or pneumatic controllers are fitted to valve actuator. The keystone figure 990920 is a split body, thin disc resilient seated butterfly valve designed for high flow and modulating service. We offer a level of expertise that is secondtonone, in providing flow control solutions to a variety of. While most butterfly valves achieve an equal percentage characteristic, the keystone thinprofile disc design does so at a significantly higher capacity through the valves full travel. Our comprehensive shutoff valve line features both manual and pneumatic drive options, including lockable handles and. This turning force in a butterfly valve is determined by three factors the friction of the disc and seat due to.
Keystone klok high performance butterfly valves figures 360362 and 370372 sizes nps 236 class 150 and 300 asmefci 702 control valve seat leakage, tolerances, and test specifications asme maximum test pressure and b16. Series gr resilient seated butterfly valves, keystone. For product details and to order, view our keystone valve product catalog. Keystone ball valves offer superior control over hydronic and steam systems in a variety of industries and sectors. Designed to comply with msssp67 and api 609 may be shell tested to spec on request. Keystone series 60 cartridge seat design butterfly valves overview emerson brings together several of the worlds premier brands of butterfly valves and controls developed for process industries. Keystone figure 9 butterfly valve emerson electric. Increased operator safety is provided by a standard blowout proof shaft which meets the requirements of api 60. F612 lugged style resilient seated bidirectional butterfly valve in sizes 50 300mm to 1600 kpa. 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. China keystone butterfly valves, keystone butterfly valves. F250 for inch od tubing f251 for metric tubing pentair hygienic process valves formerly keystone with pentairs unique wafer flanged valve, removing the valve from the pipeline is as quick and easy as undoing the jacking bolts.
Keystone figure 79 pneumatic actuator operating and maintenance instructions. This allows keystone to maintain the highest standards of product reliability. Keystone klok high performance butterfly valves series 36 and 37. See table 1 for tabulated cvs for the figure ar1ar2 butterfly valve. The higher the cv, the greater the flow and the better the control characteristics. This is achieved by machining a groove in the shaft that allows a snap ring to lock into the shaft groove. Figure 360362370372 korea keystone figure 360362370372 high performance butterfly valve. Below is a listing of some of the keystone products carried by dultmeier sales. Keystone klok figure 360362 and 370372 high performance. Ld2000 butterfly valve ductile iron, lug type, 200 psi. Keystone butterfly valves figure ar1ar2 general purpose valve.
Sp68 high pressure offset disc butterfly valves api 609 butterfly valves most models 607 fire test for soft seated quarterturn valves 598 valve inspection and test bs 5146 inspection and test of steel valves for the petroleum, petrochemical and allied industries. Keystone,biffi,westlock controls butterfly valves overview. We offer a level of expertise that is secondtonone, in providing flow control solutions to a. Pentair hygienic butterfly valves f250f251 pentair. Keystone figure 250 and 251 hygienic butterfly valves wafer type wafer flanged style stainless steel hygienic butterfly valves for easy in line valve replacement or maintenance f250 for. Keystone rmi dubex butterfly valve awwa facetoface cv values nps opening angle deg notes 1. Features and benefits heavy duty, cast iron, flanged body is drilled to ansi 125150. Keystone 990 and 920 butterfly valves data sheet spartan controls. F612 lugged style resilient seated butterfly valves. By continuing to navigate through this site or by clicking accept, you consent to the use of cookies on your device as described in our privacy notice. Rockershaped gland bridge compensates for uneven adjustment of gland nuts.
These valves are ideally suited to many applications where tight shutoff. Klok figures 360362 asme 150 keystone klok figures 370. The seat and the disc are the only two valve parts in contact with the medium. Pulp and paper steel mills utilities ssppeecciiffiiccaattiioonnss aanndd aapppplliiccaattiioonnss. Uflk2200 retrofit linkage for keystone butterfly valves. Sp68 high pressure offset disc butterfly valves api 609 butterfly valves most models 607 fire test for soft seated quarterturn valves 598 valve inspection and test bs 5146 inspection and test of steel valves for the petroleum, petrochemical and allied industries 4504 flanges and bolting for pipes, valves and fittings.
Model code addendum keystone figure 990920, keystone en features. Keystone figures 990, 920, 999 and 992 thin profile disc design keystone series 60 cartridge seat design tyco flow control brings together several of the worlds premier brands of butterfly valves and controls developed for process industries. For valves which need to be installed in the pipeline prior to fitting the. The most common method of presenting this information is by c.
Keystone figure 9 butterfly valve a resilient seated butterfly valve for general purpose applications features bubbletight shutoff at full pressure rating ptfe lined configuration is drop tight. An economical bonded resilient seated butterfly valve for bidirectional and endofline service f221 wafer style valve f222 lugged style valve. Throttling characteristics are shown in the same manner with cvs at the various disc openings. All other brand names, product names, or trademarks belong to their respective holders. Keystone butterfly valves figure ar1ar2 keystone figure ar1ar2 wafer and lug style resilient seated butterfly valves. Audco butterfly valves is a wafer type valve with an integrallymolded elastomer body liner. The f250 and 251 butterfly valves are used for inline isolation or control of process or c. Keystone k lok high performance butterfly valve sizes 2 thru 36 ansi class 150 and 300 features and benefits integrally cast mounting pad provides direct mounting of many actuators.
Rated cv volume of water in usgmin at 60f that will pass through valve at a given valve opening at a pressure drop of 1 psi. The valve can be installed in the pipeline either with 6. Dultmeier sales also offers a complete line of keystone butterfly valve accessories, keystone valve repair and replacement parts. Keystone klok series h high performance butterfly valve. 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. F611 wafer style resilient seated butterfly valves. Butterfly valves figure 221 and 222, keystone, isolation valves vctds035en author. Based on many years of research, development and field experience, the flowseal design is superior to and more versatile than the high performance butterfly valve design offered by other manufacturers. High performance flowseal high butterfly valves bay port valve. Install the valve now according to the or without the actuator mounted on top of the valve. The valve is ideal for commercial and some light industrial process applications, including hvac and vacuum services, in addition to hot and cold potable water. While the valve is throttling, the stems double offset location causes the disc to cam away from the seat, reducing wear and deformation. The flowseal soft seat valve prodvides a bidirectional bubble tight shutoff zero leakage by the use of a. Finishweld the flanges to the pipe and notes allow the flanges to cool completely.
Keystone figures 221 and 222 molded seat design commercial construction valves resilient seated butterfly valves general purpose valves keystone series grf large diameter valves a double flanged style body with facetoface dimensions according to api 609 24 to 48 and awwa c504 54 to 72. Keystone klok high performance butterfly valve sizes 2. The keystone klok high performance butterfly valve contains a blowout resistant shaft as a standard. Keystone double flanged butterfly valve figure 631 pn21 features proven to meet the requirements of as nzs 4020 making the valve suitable for use in drinking water applications, in approved trims. Bearings guarantees perfect shaft stability under all pressure. Page 3 keystone series 60 butterfly valves installation and operation manual 5. The keystone series gr is a general purpose resilient seated butterfly valve available in flanged, lugged or wafer body style for any service where droptight shutoff and maximum flow area is required. Butterfly valves isolate fluid flows for throttle control and have a diskshaped closing mechanism for fluid shutoff through an actuator visible on the outside of the valve. It is available in both wafer figure 990 and lugged figure 920 style. Emersons keystone offer a complete range of butterfly valves from general purpose through to heavy duty and high performance models. This valve excels in heavy duty applications where corrosion and abrasion resistance is required. The packing gland follower is provided with an undercut on its lower surface which encapsulates the locked in snap ring. Keystone butterfly valves figure ariar2 234 589 1 045 2385 5085 7900 10800 15000 18400 25900 42500 65000 262 647 580 2892 4593 1 0000 1 3000 1 8000 22000 30000 47000 70000 general purpose valve valve sizing rate of flow through a valve depends upon the pressure drop. Application the uflkublk retrofit kit is designed to easily attach to the valve mounting pad on select competitor butterfly valves utilizing belimo actuators.
Rubber lined butterfly valves are an example of this. Fluid temp range water please refer to manufacturers valve specifications for closeoff pressure reference select pro or retrofit technical documentation. Onepiece, thin profile, disc stem provides minimum obstruction to flow, resulting in highest cv, lowest pressure drops and best control. Unfollow keystone butterfly valves to stop getting updates on your ebay feed. Butterfly valves remanufacture we can rebuild your existing worn valve to likenew condition with a new valve warranty for a variety of oem styles including keystone, media, dezurik, henry pratt, mosser, bif, rodney hunt and allis chalmers.
Designed to outperform loose liners, audco butterfly valves elastomer liner is molded directly in the body bore and vulcanized insitu, making it last the entire life of the valve. These valves are used when sanitary service, corrosion or erosion resistance is required in isolation or control valve. The keystone series gr is a heavy duty industrial resilient seated butterfly valve aimed at general purpose applications. Wafer and lug style resilient seated butterfly valves with. Keystone built its reputation over the last 70 years providing industrial process butterfly valves. Resilient seat seals bubbletight against the disc, isolating the valve. Extended neck allows for two inches of pipeline insulation.
Butterfly valve paraseal range, keystone, isolation valves emerson. Application the uflkublk retrofit kit is designed to easily attach to the valve mounting pad on select. Keystone klok high performance butterfly valve sizes 2 thru. Thin profile disc reinforced by ribs patent pending provides larger cv compared to our conventional design.
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