Vannes à Guillotine
Vannes à Guillotine
This document provides comprehensive technical specifications and guidelines for Tecofi knife gate valves, detailing materials, temperature ranges, performance metrics, and codification for various valve types.
- Body Materials: Options include cast iron, ductile iron, stainless steel, and cast steel.
- Temperature Ranges: Temperature limits are specified for different materials used in valve construction.
- Flow Rates: Detailed flow rate data is provided for standard knife gate valves, with specific values for different diameters and configurations.
- Pressure Ratings: Maximum working pressures are specified for different valve sizes.
- Valves comply with European directives for pressure equipment (97/23/CE) and potentially explosive atmospheres (94/9/CE).
- On request, valves can be manufactured to meet TAPPI, MSS SP-81-2006, and MSS SP-61-2003 standards.
The valves are suitable for a wide range of applications including water treatment, sewage, pulp production, chemical industries, food processing, and mining.
The document details various types of knife gate valves, including standard, through conduit, under silo special, square, and penstock models.
Information on available accessories, mounting kits, and installation examples is provided, covering ISO PN 10 and ASA 150 connections.
Details on electric and pneumatic actuators, including wiring diagrams and accessories, are included.
Guidelines for the safe use of valves, packing, and seat replacement procedures are outlined.
The document provides a detailed codification system for identifying different valve configurations based on body material, pressure rating, seat material, and operating system.
The knife gate valve is designed for challenging conditions, featuring a sliding gate in a narrow body to ensure tightness and minimize retention zones.
The valve operates with a gate that moves between two half-bodies, opening when aligned and closing when moved to the closed zone.
Standard construction materials include cast iron and stainless steel, with coatings involving oven-cooked epoxy for certain diameters.
Various materials are used for seat gaskets, including nitrile and EPDM, with options for metal-to-metal tightness.
The valves can handle maximum pressures ranging from 2 to 10 bar depending on the diameter, with maximum temperatures of 80°C for nitrile and 110°C for EPDM.
The valves are manufactured according to European directive 97/23/CE and tested according to NF EN 12266-1, NF EN 12266-2, DIN 3230, and ISO 5208 standards.
The valves are mounted between flanges and can be operated using various actuators, including handwheel, lever, pneumatic, electric, and hydraulic actuators.
Available accessories include limit switches, solenoid valves, and positioners. Special constructions include ISO PN 25 and ASA 150 lbs valves.
Detailed dimensions and approximate weights are provided for various valve sizes, with specific codes for different configurations.
The document provides a comprehensive list of valve codes for different types of valves, categorized by seat material and body material.
Valves are equipped with electric actuators, available in both three-phase (400 V) and single-phase (230 V) configurations.
The manufacturing program includes standard VG types and specific actuator models, indicating the range of products available.
The document includes contact details for Tecofi, located in Corbas, France, with phone numbers, fax, and email for sales inquiries.
The knife gate valve is designed similarly to the VG standard model, featuring a bidirectional gate with two seat gaskets and a longer body assembled by bolts.
The valve operates with a gate that moves between two half-bodies, opening when aligned and closing when moved to the closed zone.
Actuators, detection, and accessories are consistent with VG standard valves.
Manufactured according to European Directive 97/23/CE for pressure equipment, category III, module H.
Valves are mounted between flanges using bolts, compatible with PN 10, NFE 29203, BS 450, and ANSI B 16-5 standards.
Maximum working pressures vary by size, with specific temperature limits for different materials.
The document includes detailed dimensions and specifications for various valve sizes, with options for different materials and sealing types.
This document outlines the manufacturing program for the VGT series of knife gate valves, including detailed specifications, dimensions, and material options.
The VGT series includes models available in different sizes, designed with different sealing options and body materials.
The document details actuator options for the valves, including pneumatic and electric actuators.
Comprehensive tables provide dimensions for each valve size, with specific product codes for each configuration.
The document provides contact details for Tecofi, including their address in Corbas, France, and contact numbers for sales inquiries.
The document describes the construction and specifications of a special knife gate valve designed for use under silos.
The valve body can be made from cast iron, stainless steel, or aluminum, with options for hard anodized aluminum.
Temperature limits are specified for different seat materials, with pressure specifications available upon consultation.
The manufacturing process complies with the European Directive 97/23/CE for pressure equipment.
The valve connects between flanges PN 10, with dimensions provided for different valve sizes.
The document lists various valve models and their specifications, including body material and seat type.
The document lists various valve codes, specifying different materials and sealing types.
The manufacturing program includes standard VGS types with different power supply options.
The document provides detailed dimensions for various valve sizes and specifies the materials used.
The valves are designed with a welded construction, square or rectangular bodies, and are compatible with various motorization and detection solutions.
Testing procedures are conducted according to standards, ensuring the reliability and performance of the valves.
The document outlines the construction of valves with a rising stem tight model, featuring a steel body and stainless steel stem.
The valves are designed to meet specific connection requirements, with details provided for ISO PN 10 and ASA 150 flange connections.
The maximum working pressure is available on request, with specified maximum working temperatures for different materials.
Testing procedures adhere to standards, ensuring reliability and safety.
The document provides detailed technical specifications, emphasizing the use of stainless steel for all maneuvering parts.
The valves are compatible with various actuators, including pneumatic, electric, and gear box options.
The document describes different installation methods and provides details on operating mechanisms.
Tightening torque values and threading specifications are provided for different DN sizes.
The document outlines different versions of actuators based on ambient temperature conditions.
The document outlines various versions of nuclear and integral actuators, including remote indication and positioners.
Details on electric actuators include recommended protection measures based on installation sites.
The document describes actuator functions, including on-off operations and modulating classes.
Information on pneumatic actuators includes specifications for working pressures and spare parts.
Examples of pneumatic wiring diagrams for knife gate valves are provided.
The document lists accessories such as solenoid valves, regulator filters, and position switches.
Instructions for assembling knife gate valves include precautions for valve positioning and handling.
Precautions include ensuring proper valve support and regular lubrication of valve stems.
The document outlines the specifications for knife gate valves, including standard stainless steel models with various features.
The document provides detailed maintenance instructions for replacing packing and valve seats.
Recommendations include supporting valves with heavy actuators using a retaining plate.
The document includes a technical data sheet for specifying valve characteristics.
Emphasizes the importance of not fully tightening Nilstop bolts to allow for movement.
Catalog excerpts
Tecofi'J- VALVE DESIGNER - FRANCE Vannes a guillotine Knife gate valves
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La vanne à guillotine standard standard type knife gate valve Fourreau de protection de tige Protection de la vis contre les projections extérieures Stem protective tube Stem protection against external splashes Indicateur de position Indication de la position de la pelle (monté uniquement avec capteurs ou en option) Position indicator Indication of knife gate valve position (mounting only with limit switches or optionally) Conforme à la Directive européenne «Equipements sous pression» N° 97/23/CE : catégorie III module H In accordance with European directive «Pressure equipments» N°97/23/CE...
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Summary Page Généralités Caractéristiques techniques Gate valve 30° with rectangular slice Vanne à guillotine orifice carré (VGC) Accessoires «prêt-à-monter» «Ready to assemble» accessories Précautions d'utilisation Fiche de renseignements techniques
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GENERALITES - CARACTERISTIQUES TECHNIQUES GENERAL POINTS - TECHNICAL CHARACTERISTICS Corps / Body Pelle / Gate Inox / Stainless steel X5CrNi 18-10 Siege et joint torique / Seat and O-ring Nitrile / Nitril Pour application speciale ou tres abrasive : - tresse avec renfort aramide sur les angles, - tresse avec ame caoutchouc pour limiter l'effort a l'ecrasement et pour une meilleure reprise elastique. Nous consulter pour des applications particulieres. For special or abrasive application: - packing with aramid renforced on the angled surfaces, - packing with rubber inside to avoid permanent deformation. Please...
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GEN ERA LI TES - CARACTE RIS TIQUES T ECHNIQUES GE NERAL POI NTS - TECHNI CAL C HARACTER ISTI CS Tresse de presse étoupe / Packing Siège et O-ring Seat and O-ring VANNES A GUILLOTINE KNIFE GATE VALVES Très haute température / Very hight temperature Acrylique téflonné / Teflonned acrylic Coton téflonné PTFE cotton 120 Coton suiffé Tallowed cotton (type Hypalon®) Inox 310 / Stainless steel 310 Inox 316 / Stainless steel 316 Inox 304 / Stainless steel 304 Fonte ductile EN-GJS 400-15 / Ductile iron EN-GJS 400-15 Fonte EN-GJL-250 / Cast iron EN-GJL-250 Domaine d'application des matériaux principalement...
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GENERALITES - CARACTERISTIQUES TECHNIQUES GENERAL POINTS - TECHNICAL CHARACTERISTICS Flow rates for standard knife gate valve Debits des vannes a guillotine standard ■ Debits pour passage non regule, determines avec differentes pertes de charge Flow rate for no regulated bore determined with different head loss
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GENERALITES - CARACTERISTIQUES TECHNIQUES GENERAL POINTS - TECHNICAL CHARACTERISTICS Codification des vannes a guillotine Knife gate valves codification Type de vanne VG Vanne a guillotine Knife gate valve VGT Vanne a guillotine a pelle traversante Through conduit knife gate valve VGS Vanne a guillotine sous silo Under silo special knife gate valve VGC Vanne a guillotine a orifice carre Square slide gate valve VGM Vanne murale / Penstock Nature du corps / Body material 3 Fonte / Cast iron 4 Fonte ductile / Ductile iron 5 Acier / Steel 6 Inox / Stainless steel Type de raccordements / Ends N° chrono...
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MANUFAC TURING PROGRAM Vanne à guillotine standard Standard knife gate valve Fabrication de pâte à papier. Eau, traitement d'eau, eaux usées. Chimie : produits poudreux, cristallisants. Agroalimentaire : vinicole. Pulvérulents : cimenterie, transport pneumatique, stockage. CARACTERISTIQUES GENERALES - Vanne «tout ou rien» ou de régulation. - Montage entre-brides. - Etanchéité unidirectionnelle, indication du sens grâce à la flèche sur le corps. - Peu de zone de rétention : la pelle est guidée dans le corps et comporte peu de jeu. - Presse-étoupe : montage avec tresses et tore élastomère (même...
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MANUFACTURING PROGRAM Vanne a guillotine standard ■ PRESSIONS / TEMPERATURES - Pressions de service maximum : . DN 50 a 250 : 10 bar, - Temperatures de service maximum : nitrile : 80°C ; EPDM : 110°C. - Autres materiaux (voir tableau page 61). ■ AGREMENTS ET TESTS - Fabrication repondant aux exigences de la Directive Europeenne 97/23/CE «Equipements sous pression» : categorie III module H (du DN 50 au DN 600). - Procedures de tests realisees suivant NF EN 12266-1, NF EN 12266-2, DIN 3230 et ISO 5208. ■ RACCORDEMENT - La vanne se monte entre-brides, par tirants et vis (voir pages 100...
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MANUFACTURING PROGRAM Gamme VG standard VG standard type Volant / Handwheel VG3400-00 / VG6400-00 * Poids approximatifs / Approximate weight
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MANUFACTURING PROGRAM Codes articles des vannes / Valve's codes Codes articles des vannes / Valve's codes Codes articles des vannes / Valve's codes
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MANUFACTURING PROGRAM Poids approximates / Approximate weight
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MANUFACTURING PROGRAM Codes articles des vannes / Valve's codes Codes articles des vannes / Valve's codes Codes articles des vannes / Valve's codes
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MANUFACTURING PROGRAM Verm pneumatique double effet / Double acting pneumatic actuator VG3400-03 / VG6400-03 DN Poids approximates/Approximate weight
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MANUFACTURING PROGRAM Codes articles des vannes / Valve's codes Codes articles des vannes / Valve's codes
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MANUFACTURING PROGRAM Verm pneumatique double effet plus commande de secours Double acting pneumatic actuator + manual emergency operating VG3400-031 / VG6400-031 * Poids approximates / Approximate weight
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MANUFACTURING PROGRAM Codes articles des vannes / Valve's codes Codes articles des vannes / Valve's codes Codes articles des vannes / Valve's codes
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MANUFACTURING PROGRAM Tri / 3 phases) Tri / 3 phases) Mono / 1 phase) Moteur electrique / Electric actuator VG3400-B04 (400 v VG3400-B14 (230 V VG3400-B24 (230 VBERNARD Moteur electrique / Electric actuator DN 50 Hz en standard / on standard * Poids du moteur electrique / Electric actuator weight 60 Hz sur demande / on request ** Poids de la vanne motorisee / Weight of ualue with actuator
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