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EBRO ARMATUREN Gebr. Bröer GmbH
PTFE-LINED BUTTERFLY VALVE T 212-A

PTFE-LINED BUTTERFLY VALVE T 212-A

Product catalog summary

Technical Specifications:
The PTFE-lined butterfly valve T 212-A is designed for chemically toxic and highly corrosive media. It features a nominal diameter range of DN 350 to DN 900 and operates within a temperature range of -40°C to +200°C, depending on the nominal diameter and operation pressure. The valve accommodates various flange standards including EN 1092 PN 10/16 and ASME Class 150.

Design and Features:
The valve includes a safety seal at both shaft ends, with primary sealing via a belleville spring washer and secondary sealing using PTFE-Chevron and o-ring. It is maintenance-free, can be installed in any position, and is suitable for material-specific recycling. The valve is compliant with FDA regulations to EG 1935/2004 and offers an optional special design certified to TA-Air/VDI 2440.

Applications:
This valve is suitable for use in purification plants, the pharmaceutical industry, paint manufacture, food industry, chlorine production, and ore processing, among others.

Performance Data:
The Kv-values, which indicate the flow of water at a temperature of 5°C to 30°C at a pressure drop of 1 bar, are based on tests by the Delfter Hydraulics Laboratories. The permissible velocity of flow is 4.5 m/s for liquids and 70 m/s for gases. Torque values are specified for dry media and measured with air at 20°C.

Material Specifications:
The valve body is made from nodular cast iron, while the disc/shaft is constructed from stainless steel. The seat is made from PTFE, with options for modified or conductive PTFE.

Installation and Maintenance:
The valve can be disassembled for recycling, and its design allows for installation between flanges or at the end of line service. It is designed to be maintenance-free.

Pressure/Temperature Diagram:
The valve is suitable for vacuum service with specific pressure limits depending on the size and medium. The pressure-temperature diagram is available for valves with silicone elastomer inserts, with other elastomer inlays available upon request.

Catalog excerpts

PTFE-LINED BUTTERFLY VALVE T 212-A TECHNICAL DATA Nominal diameter: EN 558 Series 20 ISO 5752 Series 20 API 609 Table 1 Flange accommodation: Flange Surface Design: EN 1092 PN 10/16 ASME Class 150 ASME B16.47, Series A, Series B AS 4087 EN 1092 Form A/B ASME RF, FF Tightness check: Temperature range: -40°C to +200°C (depending on nominal diameter and operation pressure) Operating pressure: DN 350 - 600 max. 200mbar absolut DN 700 - 900 max. 500mbar absolut (with silicon elastomer inserts) Double flanged PTFE-lined butterfly valve for shut-off and control services in the chemical industry. FEATURES - PTFE-lined butterfly valve for chemically toxic and highly corrosive media - Environmental protection via EBRO-Safety seal - Splitted body design - Isolation height according to plant prescription - Can be installed in any desired position - Maintenance-free - Can be disassembled, material-specific recycling possible - Material conform to FDA to EG 1935/2004 - Optional: Special design RWTÜV certified to TA-Air/ VDI 2440 GENERAL APPLICATIONS - Chemically highly corrosive and toxic media - Purification plants - Pharmaceutical industry - Adhesives, paper industry, dissolver - Paint manufacture and processing - Food industry - Chlorine production - Processing of ore Safety seal at both shaft ends: 1.Primary sealing by means of a belleville spring washer, transmitting prestress on the spherical segment area. 2.Secondary sealing of the shaft by means of PTFE-Chevron and o-ring.

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PTFE-LINED BUTTERFLY VALVE T 212-A T 212-A with bare shaft end acc. to EN ISO 5211 * Face to face dim. acc. to EN 558 Tab. 20, 78mm Face to face dim. acc. to EN 558 Tab. 25, 92mm Subject to change without noti

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PTFE-LINED BUTTERFLY VALVE T 212-A MATERIAL SPECIFICATION AND PARTS LIST Material-No. ASTM Nodular Cast Iron EN-JS 1025 Polytetrafluorethylene Polytetrafluorethylene St.Steel/PFA coated Silicon rubber Fluorocarbon rubber Belleville spring washer ** recommended spare parts *** recommended for coated discs Screw Stainless Steel Plug screw DIN 908 Stainless Steel Cover plate Steel Seal Stainless Steel Shaft retainer Steel 8** Chevron seal PTFE Screw Stainless Steel Stainless Steel Steel / PTFE coated Stainless Steel Material-No. ASTM 11*** Disc/Shaft (one-piece type) Wiper ring PTFE Above-mentioned...

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PTFE-LINED BUTTERFLY VALVE T 212-A TORQUE - The torque values specified (Md) are based on dry media and are measured with air at a temperature of 20 °C - The values specified are based on the initial breakaway torque (disc disengages from seat, torque then drops) - Dynamic torque specification available upon request Regarding the dimensioning of actuators, please contact our engineers. System Pressure PS (bar) PRESSURE/TEMPERATURE DIAGRAM 12 DN 350 - 600 special design, installation between flanges DN 350 - 600, installation between flanges DN 700 - 900, installation between flanges System Temperature...

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PTFE-LINED BUTTERFLY VALVE T 212-A

PTFE-LINED BUTTERFLY VALVE T 212-A

Catalog excerpts

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