The sphere has a hole, or port, through the middle so that when the port is in line with both ends of the valve, flow will occur. JMT (Gachot) Butterfly Valve with virgin PTFE / modified PTFE Liner for high chemical demands, to shut off and control corrosive and abrasive liquids or gases. The rubberlined butterfly valve, which uses the flexibility of rubber, has the lowest pressure rating, and is the most commonly used for many low pressure applications. +33 (0)6 23 89 87 06, General sales and warranty terms and conditions. List of available certifications (beware of restrictions due to certification requirements): APPLICATIONS If you would like to know more or want to know which one suits your system specifically, get in touch through our contact page. BVTT Wafer BLTT Lug, DN 50 500 2 20 DN 50 500 2 20, BVTT/BLTT DN 50400: 10 Bar, To be used for vacuum (not with PTFE disc), DIN EN 558-1 Series 20 ~ ISO 5752 Series 20, TFS 2018 - Mentions lgales - Design by Laurent Perez. The PTFE lined butterfly valves are suitable for different uses and industries (chemical, pharmaceutical, cosmetics, semiconductors UPW, foundries, mining). Functional cookies help to perform certain functionalities like sharing the content of the website on social media platforms, collect feedbacks, and other third-party features. Carbon Steel 
ensure high sealing of the flanges also thanks to the covering. Due to the basic nature of fluid phases, air pockets will form at the high points of a fully pressurized pipeline. On opening the gate valve, the flow path is enlarged in a highly nonlinear manner with respect to percent of opening. The Wow effect, more than a passion at PVI, Wafer DN50-300 (Can be made from DN350 to DN1200 with lug body and unthreaded holes. All bodies meet full ASME Class 150 pressure ratings for hydrostatic requirements. Fully PFA lined disc and body provide unsurpassed resistance to corrosion, permeation and microbial contamination for maximum purity and reliability with minimum maintenance. Superior flexibility to withstand repeated flexing and dynamic loads for extended service life. Melt processable for precise molding of parts with smoother surface finishes than PTFE liners. Unlike a ball valve, the disc is always present within the flow, therefore a pressure drop is always induced in the flow, regardless of valve position. Discs are available in stainless steel (AISI316, HASTELLOY, DUPLEX, SUPERDUPLEX, INCONEL, etc. Stainless steel (AISI 304 and AISI 316) Maharashtra, India, 2019 Icon Valves & Engineering Pvt. Finally, the O-rings in the alloy gland follower offer added protection from external media corrosion as well as preventing leakage to the atmosphere. Read posts about valve applications, case studies, problem/solutions, industry news, and more. Different designs are available, listed below.
TA-Luft: Compliance Leakage Certificate according to Position 5.2.6.4. of the Technical Instruction Air (TA-Luft), VDI 2440. Stainless steel PTFE coated TEMPERATURE RANGE TheChemFlyer | CSTis the world leading, customisable PTFE lined butterfly valve, manufactured in Switzerland to the highest standards to provide secure handling of aggressive media. It is used by the leading Chemical, Pharmaceutical, Bulk Drug manufacturers. Easy to test and reset Butterly valve lined with PTFE/PFA or mod. More informations about PTFE lined butterfly valve, TRIPLE-USE HANDLE: NOTCHED LOCKING QUADRANT, REGULATION FONCTION, LOCKABLE, Sige social et logistique The thickness of the lining is between 3.5 to 6 mm. The seat design reduces seating/unseating torque and, at the same time, reduces wear on the contacting parts. You need JavaScript enabled to view it. They are available with Wafer style or Lug style 150# ANSI flange connections. Modul B, Butterfly valves - Manufacturer Declaration ATEX. 2 Rue du Marais 80400 Ham, FRANCE Ductile Iron, Carbon Steel, Stainless Steel, Stainless Steel, PTFE/SS, PFA/SS, UHMWPE/SS, UHMWPE/DI, Hastelloy, Titanium, ASME B16.1 Class 125, ASME B16.5 Class 150, EN 1092 PN 10, 16, ABS, ATEX, Bureau Veritas, DNV, PED, PE(S)R, SIL, MSS SP-67, API 609 Category A, EN 558 Series 20, Highly Corrosive, Toxic Media, Acids, Ultra Pure Water, 2022 Bray International, All RIghts Reserved, Resilient Seated Butterfly Valves Series 22/23, Typical Flange Bolting Guide (with washers), Typical Flange Bolting Guide (without washers), California Transparency in Supply Chains Act. Belleville washers ensure the sealing in the upper plane of the disc. The extremely versatile and reliable butterfly valve is available with a ductile iron body and a stainless steel body as wafer, lug or U-section body type. The opening and closing of the valve requires no external power source (electric, pneumatic, or man power), it is done automatically, hence the name, automatic control valve. Available in wafer type design & Flanged Design. These valves do not require an external power source, meaning that the fluid pressure is enough to open and close the valve. Benefit is smaller operators taking up less space, ease of operation and cost savings with less expensive automation packages. The third sealing mechanism in the AcrisealTM stem sealing system is a graphite filled PTFE safety seal. If air release valves are not installed, uncontrolled air releases may occur, causing pressure surges in the system, which can increase the chances of hazards from cavitation. Out of these cookies, the cookies that are categorized as necessary are stored on your browser as they are essential for the working of basic functionalities of the website. Assured leak tight sealing by a compression ring which keeps the dynamic pre-load force constant while energizing the various components of the triple shaft seal design. The gate faces can form a wedge shape or they can be parallel. Advertisement cookies are used to provide visitors with relevant ads and marketing campaigns. Offers soft seated Butterfly valves with seats of Nitrile, EPDM, Silicon, Hypalon, Viton. For very viscous fluids, or with abrasive particles and properties a specialty valve known as a knife valve is used and which can cut through these particles.
The primary seal is achieved by an interference fit between the extra wide disc hubs and contoured seat. 1)Design Standard : BS EN 593:2004 (Formerly BS 5155), 2)Testing Standard : BS EN 12266-1&2 (2003), 5) End Connection : Wafer Type to sandwich between two flanges as perANSI B16.5 / DIN PN 10 / DIN PN 16, 6)Face to Face : API 609 / DIN 3202 K1 / BS 5155 / ISO 5752 / BS EN 558-1/2, 8) Body / Disc M.O.C. Lower particle shedding for maximum purity. We'll assume you're ok with this, but you can opt-out if you wish. PTFE body seat has a thickness varying from 2,5 to 3 mm depending on the position, even in the shaft area. The PTFE lined butterfly valves ensure a tight bubble proof seal in both directions, in accordance with EN 12266-1. Alternatively, if air is left in a water main, it will eventually cause customers meters to read improperly, thus charging the customer for air that is going through the meter, and not water. This cookie is set by GDPR Cookie Consent plugin. PTFE impregnated steel bearings provided for precision alignment of the upper and lower stem. The resulting protective sleeve eliminates potential leak paths for fugitive emissions and shields internal components from contact with the media. The lining resins from renowned manufacturers like DuPont, Daikin, GFL. The wide elastomer backup liner rests in a machined body groove enabling downstream dismantling at full working pressure. No contact with process media, Low-Cost These cookies will be stored in your browser only with your consent. A top stem bushing, retained by a stainless steel ring, is provided to absorb actuator side thrusts and is acetal as standard or PTFE as an option. WCB, ASTM A351 Gr. Whenever we make news, we put a link to it here.W. Ltd. | All Rights Reserved.| Terms & Conditions | Privacy Policy. Diameters available The distinct feature of a gate valve is that the sealing surfaces between the gate and seats are planar. Atex 2014/34/EU compliant Version for explosive surroundings Group II, Zones 0, 1, 2 (and 20, 21, 22 respectively). Tel: 011 452 6514 Necessary cookies are absolutely essential for the website to function properly. The teflon lined butterfly valve is the latest style butterfly valves. Flow can even stop due to an air lock in the water line. Polytetrafluoroethylene ( PTFE ) -60 C / + 190 C Cell: 082 823 9937, Po Box 4040, Palm Lakes Estate, Umhlali, 4392, Tel: 021 976 3489 *PFA is also known by the trade name Teflon. Bodies are two piece wafer or lug style and are epoxy coated.
An independent secondary seal of teflon covered convolutions on the disc stem enhances sealing with its tortuous no-leak path design. Completely isolated from the process media by the extended disc liner and energized by a coil spring, the safety seal self-adjusts for changes in temperature and wear to ensure absolute zero leakage shutoff of corrosive and ultra pure process media. Listed below are the different types of ball valves that we specialize in. 1978 - ISO 9001 : 2015 Certified Co. - Exports to 40+ Countries. Pneumatic The gate valve, alternatively known as a sluice valve, is a valve that opens by lifting a round or rectangular gate/wedge out of the path of the fluid. Wafer & Lugged Style Teflon Butterfly Valves (2" to 24"). Double flanged Ductile iron Low torque. The upper stem seal serves to keep any environmental contaminants from entering the stem bore. We make sure that our offer is always up to date. Our high performance PTFE lined butterfly valves are ideally suited for the stringent performance requirements demanded with isolating and controlling wet and dry chlorine gas as well as hydrochloric acid. A full range of accessory items are available including limit switches, solenoid valves, positioners and manual override devices.
When the valve is closed, the hole is perpendicular to the ends of the valve, and flow is blocked. We also use third-party cookies that help us analyze and understand how you use this website. Operation is similar to that of a ball valve, which allows for a quick shut off. Connections available Precision engineered for reliable, maintenance-free service, the AcrisealTM three step stem sealing system provides unmatched sealing for long term zero leakage performance. The cookie is used to store the user consent for the cookies in the category "Other. The cookie is used to store the user consent for the cookies in the category "Performance". It does not store any personal data. Cell: 082 261 0376. Performance cookies are used to understand and analyze the key performance indexes of the website which helps in delivering a better user experience for the visitors. By either clicking "I Accept" or continuing to navigate our website, you are consenting to the use of cookies and other tracking technologies on your device as described in our Privacy Policy. The primary seal is created by the spherically molded PFA body liner and matching disc hub interface. We use cookies and other tracking technologies to enhance your experience on our website, to show you personalized content and targeted ads, and to analyze traffic and site usage. Dnnernstrasse 540 4716 Welschenrohr Schweiz, Tel: +41 32 639 50 10 sales@chemvalve-schmid.com, We are certified to ISO 9001:2015 and can provide a range of conformity documentation forour products, Safer handling of corrosive media thanks to the sophisticated sealing system, Spherical construction reduces abrasion and increases operational lifespan, The modular design is highly configurable and each valve is individually traceable through its unique serial number, EN 1092-1, PN 1016 | ASME B16.5, Class 150 | JIS 10K, DN 25450: 10 bar | DN 500600: 6 bar | DN 6501200: 3 bar, PFA | Conductive PFA | Stainless Steel | Duplex | Titanium | Hastelloy, PTFE | Modified PTFE | Modifed PTFE Conductive | UHMPE, Ductile Iron | Stainless Steel | Carbon Steel | Duroplast, PED 2014/68/EU | ATEX 2014/34/EU | Food (EC) Nr. To some extent, it is also being used for the Throttling flow control Purpose. The flexible PFA body liner extends into the stem cavity and the disc liner envelops the stem. Curvatures machined into the inner seat area minimize contact forces between the disc and seat as the disc approaches, or opens from, the closed position. This unique seat geometry permits lower torques and reduces seat wear. Automated valve control with Pneumatic or electrical actuators. These cookies help provide information on metrics the number of visitors, bounce rate, traffic source, etc. Extended PFA liner forms a protective sleeve shielding the stem from corrosive media and eliminating leak paths. Cell: 083 458 8053, Tel: 032 815 1160 Cross Section View of Lined Butterfly Valve, and accessories like PTFE Lined Instrument Tee, Lined Sparger, Flow Indicator, Download Catalogue of Lined Wafer Type Butterfly Valve, AIR TEST-SEAT 80 PSIG 10 PSIG; SPARK TEST: 10 KVA. Manufacturers and Exporters of Industrial Valves, Diaphragm Valve (Weir, Straight Through, Rubber Lined, Sanitary, Pneumatic), Ball Valve (Single, Two, Three, Piece, 3 Way, 4 Way, Pneumatic, Wafer), Butterfly Valve (Wafer, Lug, Double Flanged, PTFE Seat, Triple Offset, Electric Pneumatic), Plug Valve (Lubricated Taper, PTFE Sleeved, Inverted, 3 Way and 4 Way), Gate Valve (Stainless Steel, Forged Steel), Globe Valve (Stainless Steel, DIN ND, Control, Forged), Check Valve (Swing, Lift, Dual Plate, Disc, Wafer, Forged Steel), Knife Gate Valve (Stainless Steel, Pneumatic, Square Port), Double Window Sight Flow Indicator, Full View Tubular Sight Glass, Strainers or Filters (Y Type, Basket, Duplex, Pot), PTFE Lined Valve, PFA Lined Valve, PVDF Lined Valve, PP Lined Valve, PTFE Lined Pipe, PTFE Lined Pipe Fittings, Isotactic Polypropylene Valve, PP Valve, PVDF Valve, HDPE Valve, Ahmedabad, Australia, Argentina, Austria, Bahrain, Belgium, Bangalore, Bulgaria, Canada, Chennai, China, Chile, Colombia, Czech Republic, Coimbatore, Dammam, Denmark, Delhi, Egypt, Europe, France, Finland, Gujarat, Germany, Greece, Hubli, Hyderabad, Hong Kong, Houston, Hungary, Italy, India, Indonesia, Iran, Israel, Ireland, Jordan, Jalandhar, Japan, Jaipur, Kuwait, Korea, Kolkata, Karnataka, Kerala, KSA Saudi Arabia, Lebanon, Ludhiana, London, Louisiana, Lithuania, Middle East, Mexico, Maharashtra, Mumbai, Mysore, Massachusetts, Malaysia, New Zealand, Navi Mumbai, Nagpur, Nashik, Nigeria, Netherlands, Norway, Oman, Oklahoma, Ontario, Ohio, Pennsylvania, Pune, Poland, Philippines, Puerto Rico, Portugal, Poland, Peru, Qatar, Rajkot, Rabale, Russia, Romania, Russia, Syria, Serbia, Switzerland, Sweden, Spain, South Africa, Singapore, Satara, South Korea, Texas, Thailand, Tamil Nadu, Taiwan, Turkey, Trichy, United States of America, USA, United Arab Emirates, USSR, UAE, United Kingdom, UK, Ukraine, Venezuela, Vietnam, Vasai, Yemen, Zambia. This cookie is set by GDPR Cookie Consent plugin. An extended neck design in all valve sizes allows for 2" (50 mm) of piping insulation and provides easy access for mounting actuators.
They are therefore an excellent choice for shutoff applications (and are often preferred to gate valves for this purpose). Two silicon half rings increase and ensure elasticity up to highest working temperatures.
Fax: 086 547 0555 Flanged Butterfly valve offered in concentric in design & can be sandwiched between Flanges of ASA 150# / 300# / BS 10 Table D / E / PN-10 / PN-16. We would be pleased to advise you on our products and services. In the case where pump control valves failure mode is not enough (Or no failure mode at all), a fast acting check valve can provide the solution.
This feature works in conjunction with the tertiary safety seal to ensure compliance with ISO 15848-1 standards for fugitive emissions. E/4 Sheetal Industrial Estate, Kashimira Bhayendar Road. Bevelled knife hacks away fibrous particles, moving them towards a self-cleaning bottom area and rinsing them out of the saddle find more, ABO valves are all suitable for being mounted with both Manual Actuator, Electric Actuator or Pneumatic Actuator. But opting out of some of these cookies may affect your browsing experience. MVS PTFE Lined Butterfly Valve is available in Wafer Body Style in ANSI 150#, PN6, PN 10, PN16 Class operated by Hand lever, Manual Gear, Pneumatic Actuator and wide range of Accessories like positioner, proximity switch box, Limit switch, solenoid valve etc. Air release valves are necessary for pipeline efficiency and to protect against water hammer. Resists the effect of atmospheric corrosion due to the epoxy coated body and mounting plate. Precision Spherically Molded & Machined One Piece Disc/Stem, Enhanced Resilient 360 degrees Elastomeric Energizer, manufacturer of ptfe lined butterfly valve in India, manufacturers of fep lined butterfly valve in India, manufacturer of pfa lined butterfly valve in India. A check valve or one-way valve is a valve that allows fluid (liquid or gas) to flow through it in only one direction. PFA disc over-molding is mechanically bonded to the base metal for full vacuum capability. Analytical cookies are used to understand how visitors interact with the website. Live loaded stem sealing system. These cookies ensure basic functionalities and security features of the website, anonymously.
The energized backup liner maintains tight contact pressure for consistent shutoff in high cycle applications.
are designed to control corrosive fluids in applications requiring high reliability, perfect seal, constant torque and poor maintenance. Adds Thermal Shutdown to ANY spring In the TT-valve series the PTFE lining covers the shaft beyond the FEP coated FKM O Ring so that the fluid never contacts the metal core of the disc. This email address is being protected from spambots.
This provides uniform force sufficient for bubble-tight shut off. Thanks to the range of conductive disc and liner materials, it can also be used in explosive environments. The cookie is set by GDPR cookie consent to record the user consent for the cookies in the category "Functional". Since the standard valve has a lined body and disc, it is capable of resisting attack from even the most corrosive of chemicals. Vents actuator to failsafe
The Double Eccentric butterfly valve, used in slightly higher-pressure and larger pipe systems, features an offset in the way the disc is positioned, which. Something went wrong, please try again later. Out of these, the cookies that are categorized as necessary are stored on your browser as they are essential for the working of basic functionalities of the website. Ultra Control Valves 2014. Butterfly valves, however, are generally favored because they are lower in cost to other valve designs as well as being lighter in weight, meaning less support for installation is required.
www.pvi-valves.com, Picardie Valves Industries is a LK Hydraulics company. are suitable for different uses and industries (chemical, pharmaceutical, cosmetics, semiconductors UPW, foundries, mining). Fax: 086 691 2057 If you would like more information on automatic control valves or want to know which kind of valve best suits, Air release valves are used to release the air from pockets that are formed in pipelines. Maintenance free, live loaded, Triple Seal design assures bubble tight shutoff: The primary seal is formed at the disc hub by the spherical ball and socket disc/liner seal. MVS Valves have been exported to more than 40 countries worldwide. Dynamic Live Loaded Seal Design give super safe operation. They are used for highly corrosive chemicals where higher alloy materials are costlier than lined ones, thus protecting the expensive equipment, extending the life of it and assuring superior performance. The Tecflon range of butterfly valves is able to respond to chemical applications thanks to a PTFE lined disc and a PTFE sleeve on an elastomer support. 
All information these cookies collect is aggregated and therefore anonymous. Locating holes in the wafer version provide quick and precise alignment during valve installation eliminating disc interference with adjacent pipe internal diameter. See all of the accessories offered for our water meters. Streamlined disc engineered for maximum flow. Valve Control- Manual, Geared Operated & Automatically Actuated. Granulate and bulk material butterfly valve. ), and in stainless steel coated with HALAR or PTFE. Easy to Use Send us an inquiry and we will contact you as soon as possible. Fax: 086 691 2057 Learn what Pulse Output is and compare the water meters available with this feature. ABO Series 2E valves are available in both PTFE Seated and Metal Seated versions. Near AL- Can Exports, Opp. Our PFTE-lined butterfly valves offer a durable seal with full chemical resistance. DN 20 DN 25 DN 40 DN 50 DN 65 DN 80 DN 100 DN 125 DN 150 DN 200 DN 250 DN 300 DN 350 DN 400 DN 500 DN 600 DN 700 DN 800 DN 1000 Virgin PTFE, FEP, PFA to withstand temperature from -20 C to +240C. : Ductile Iron GGG40.3 / ASTM A395, Cast Steel ASTM A216 Gr. working pressure of 50 bar find more, ABO Series 900 Valves are available in dimensions from DN 32 DN 1600 find more, The PTFE lined disc and liner make valves Series 500 suitable especially for aggressive media like strong acids find more, The valve is reinforced with oversize top and bottom ends to ensure proper sealing.
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