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PTFE-LINED BUTTERFLY VALVE T 211-A

PTFE-LINED BUTTERFLY VALVE T 211-A
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PTFE-LINED BUTTERFLY VALVE T 211-A TECHNICAL DATA Nominal diameter: EN 558 Series 20 ISO 5752 Series 20 API 609 Table 2 Flange accommodation: EN 1092 PN 10/16 ASME Class 150 AS 4087 Flange Surface Design: EN 1092 Form A/B ASME RF, FF Top flange: Tightness check: Temperature range: -40°C to +200°C (depending on operation pressure) Operating pressure: up to 1 mbar absolute (with silicon elastomer inserts) from -10°C bis +160°C Fully PTFE-lined wafer type valve for corrosive and aggressive media. The patented shaft seal design ensures reliability even with high-corrosive applications. 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 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 - Transport of hazardous materials (EN 14432) - Chlorine production 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 211-A E T 211-A with bare shaft end acc. to EN ISO 5211 Subject to change without not

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PTFE-LINED BUTTERFLY VALVE T 211-A MATERIAL SPECIFICATION AND PARTS LIST 13 4 4 PTFE-lined butterfly valve DN 80 - DN 200 Material-No. ASTM Nodular Cast Iron Stainless Steel Polytetrafluorethylene PTFE Polytetrafluorethylene modified St.Steel/ Cond.-PTFE G-X2CoNiMoN26-7-4 X5CrNiMo17-12-2 Fluorocarbon rubber Wiper ring PTFE Lower shaft stub Stainless Steel St.Steel/ M.-PTFE Silicon rubber Steel / PTFE coated Stainless Steel St.Steel/ St.Steel St.Steel/ PTFE Stainless Steel Polytetrafluorethylene PTFE Screw Stainless Steel Above-mentioned materials of the basic version, other materials upon...

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PTFE-LINED BUTTERFLY VALVE T 211-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 PRESSURE/TEMPERATURE DIAGRAM Regarding the dimensioning of actuators, please contact our engineers. Pressure-Temperature-Diagram for valves with Silicone elastomer inserts Service limitation with EPDM elatomer inserts from -10°C up to +120°C Service limitation with Fluor carbon...

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