Please read these instructions carefully and save them for future reference. This fifth edition presents vital information on control valve performance and the latest technologies. 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. Econ valve products econosto offers a variety of valve and valve related products. Henry pratt companys investment in pratt industrial combines the innovative resources of a century old company with the knowhow of. Triple offset valve butterfly valve rubbing points metaltometal seating vanessas conetocone concept requires metaltometal seating in order to handle more severe applications. Ensure total reliability in the toughest environments. Pratt butterfly valve, coupled with the mdt actuator, offers single source responsibility for both actuator and valve. Included are ball valves, butterfly valves, double block and bleed expanding plug valves, control valves, solenoid valves, pneumatic and electric valve actuators, valve position limit switches and analog and digital valve positioners under its. In order to meet your just in time delivery requirements, we maintain inventory on 3 through 48 butterfly valves with a variety of mdt actuation styles to suit your application. The special seal design, with an expansion groove, minimizes wear and ensures long service life. The vag ekn butterfly valve is intended to shut off the medium. The rubber bonding process used on dezurik awwa butterfly valves is proven by more than 50 years of field experience.
Compared with traditional butterfly valves and many other valve types, wafersphere butterfly valves deliver several unique benefits. Friction losses in pipe fittings resistance coefficient k. Pulp and paper steel mills utilities ssppeecciiffiiccaattiioonnss aanndd aapppplliiccaattiioonnss. The vag ekn butterfly valves sized dn 900 and larger are provided with suspension bores located above the flange. The current generation of gea butterfly valves provide users. Installation the wafersphere butterfly valve must be installed into the pipeline according to metsos instructions given in the installation, maintenance and operation manual. Valve sizes from 2 to 12 are rated at 200 psig wog service and valve sizes from 14 to 30 are rated at 150 psig wog service. The ultimate critical service triple offset valve flange bolting guide all information herein is proprietary and confidential and may not be copied or reproduced without the expressed written consent of bray international, inc. The unique orton triple eccentric design eliminates friction between the disc seal ring and the seat in the body, thereby preventing wear and any consequent leakage. For gear box to be used above ground, a hand wheel and visual posi on indicator can be provided. Avoid jerks and jolts when lifting or lowering the load, as the forces generated in the process may damage both the valve and the lifting devices. For transport purposes and also to support assembly, lifting. Low valve operating torque low operating torques are designed low for extension of valve service life and economic consideration in selection of valve operating devices.
Torque, head loss, and cavitation analysis scope this manual covers round or circular butterfly valves within the scopes of american water works association awwa and american national standards institute ansi standards ansiawwa c50410 2010 and ansuawwa c51610 2010 with essen. Globe valve cast iron 5k technical data technical features 1 body cast iron 2 bonnet cast iron 3 handwheel cast iron 4 disc bronze ss 5 valve seat bronze ss 6 disc nut bronze ss 7 screw bonnet bush bronze ss 8 bonnet bushrating bronze ss 9 packing gland bronze 10 stem brass ss 11 stud bolt steel 12 stud bolt steel hexagon nut steel. The butterfly valve is designed for easy maintenance. Chapter 1 offers an introduction to control valves, including definitions for common control valve and instrumentation terminology. 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. Butterfly valves are manufactured in accordance with the specifications from iso 5272, international standards organization and mss sp67, manufacturers standardization society and api609, american petroleum institute. Globe and flangeless style control valves, which previously had been included, were removed from the standard.
Jis b 20021987 series 46 iso 5752 wafer butterfly valve short. As shown in picture 3, they can be used to lift the vag ekn butterfly valve. Butterfly valves in the new tsmart 7 series provide a complete range of variants to serve. This reference contains general information related to check valve failure pp 127, 129, and 175 and cites one specific case of check valve failure page 124 similar to those described in this alert. The new generation of butterfly valves and actuators from belimo. The disc is rotated 90 degrees about an axis at a right angle to fluid flow. The test requires a 1 25mm wide strip of rubber to withstand a minimum 75 lbs. 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. Tx3 triple offset butterfly valve features variety of body styles. Electric actuator horizontal short 2 tall vertical short 3 tall optional manual override 4 manual actuator, indicating short 5 tall manual actuator, nonindicating 6 pneumatic actuator 7 8 in. Townley slurry handling valves knife gate and butterfly valve. Waterous butterfly valve dimensional drawing valve motor orientation actuator height see page size operator 6 in. Keystone series 36 and 37 klok high performance butterfly.
Butterfly valves butterfly valves use a similar principle to ball valves. Both lug and wafer series valves are designed for ansi 125150 lb. Again the orientation of the butterfly determines the flowrate. Valves common types butterfly valves butterfly valves use a similar principle to ball valves. The valve stem extends completely through the valve body. To use the system to its full life span, you should install it correctly according to the manual and maintain it according to the prescribed procedures while using it. While the technical advantage of the third offset in a triple offset valve is to reduce and almost completely eliminate friction, a difference in hardness is still required to avoid. Awwa c 504 design based travelling nut gear operator can be mounted on all valves sizes both for above and underground service. Vicflange adapter style 741 may only be used on one side of victaulic series 700 butterfly valve, sizes 2 4 50 100 mm fitted with standard or latchlock handles.
Define a valve identify the different types of common valves used at sunrise dam and their purposes understand the hazards and safe operating practices for valves. These teeth should be removed when vicflange adapter is utilized with a victaulic series 700 grooved end butterfly valve, schedule 5 pipe or plastic pipe. Valves program objectives by the end of this module, trainees will be able to. Valves general definition a valve is a device for isolating or regulating the flowrate of gases, liquids and. Throughout testing, the he series valve has consistently produced high cv values which translates to lower flow resistance, and low system operating cost to the user over the life of the valve.
They offer proven reliability in applications ranging from vacuum to very high pressure. Townley slurry handling valves townley has created a unique line of slurry valves specifically designed to provide excellent reliable service in severe applications found in matrix, inplant beneficiation and tailings for mining, as well as, limestone slurry, bottom ashhandling and water isolation in coal fired power plants. 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. All bodies shall be ductile iron 654512 and bidirectional tested in both directions and be bubble tight with zero leakage. Butterfly valves are the components that provide onoff regulation of the district heating, hvac or water applications where limited space is available for. Information on cases of valve failure can be found in t. Information regarding control valve dimensions may be obtained from instrument society of america, 67 alexandria drive, research triangle park, nc 27709. The vag ekn butterfly valve is a shutoff valve designed for installation in pipelines. Butterfly valves butterfly valves are used to stop, start, and regulate fluid flow. Butterfl y valve specification 6706 vm2000s nylok is a registered trade mark of the nylok fastener corporation. The butterfly valve boasts a long life span and has few faults. Inoxpa supplies sandwich butterfly valves, manually or automatically operated, that can be used in most liquid product applications. Jamesbury high performance butterfly valves wafersphere.
This product can expose you to chemicals including lead, which. Awwa c504 requires testing of the bonding process per astm d429, method b. Existing butterfly valves can easily be retrofitted with the intellitop 2. For valves that have been factorypacked in transport crates wooden crates, the centre of gravity of the entire unit must be taken into account. Lightdesigned for operation efficiency designed much lighter than our conventional series for operation efficiency in piping emissionfree.
Carbon steel body stainless steel disc and stem iso 5211 actuation mounting. The control valve handbook has been a primary reference since its first printing in 1965. With an isolating valve part of a piping system can be isolated, thus preventing. Only flowserve replacement repair parts should be used. The disc is a flat or slightly curved disc attached to the valve stem. Jamesbury wafersphere highperformance butterfly valves. Chainwheel with 2 square nut is also available as an op on. Proper alignment of any butterfly valve between flanges is critical to good performance of the valve. During its product development phase, the he series waferlug butterfly valve was tested to ensure that it met our own rigorous standards for flow capacity. Its use as a control valve is only possible within certain limits. Product information butterfly valve discssolid butterfly disc, 316 l stainless steel material 1. We use stellite grade 21 overlaid seats to provide resistance to abrasion, wear and corrosion caused by the fluid, and. Awwa c 504 butterfly valves vahntech international inc. Chapter 2 develops the vital topic of control valve performance.
Ansinsf standard 61 drinking water system components 2la8 butterfl y valve. High pressure ratings jamesbury highperformance butterfly valves are rated at ansi 150, 300 and 600 pressure classes. Shaft blowout hazard of check and butterfly valves alert. Q is the disc chordal dimension at the face of the valve for disc clearance into the pipe or the flange.
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