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.

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

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...

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...