WAFER TYPE BUTTERFLY VALVE Z 611-A TECHNICAL DATA Nominal diameter: EN 558 Series 20 ISO 5752 Series 20 API 609 Table 1 Flange accommodation: EN 1092 PN 10/16 ASME Class 150 Flange surface design: Tightness check: DIN EN 12266 (Leakage rate A) ISO 5208, Category 3 Temperature range: -10°C to +200°C (depending on pressure, medium and material) Operating pressure: Resilient seated wafer type butterfly valve for semi-corrosive media. FEATURES - One piece disc/shaft - Split body with stainless steel screws - Insulation height as per plant regulations - Optional: Special design RWTÜV certified to TA-Air/ VDI 2440 - Triple shaft bearing - Disc`s sealing surface mirror polished - Materials complying with FDA standards available - Can be disassembled, material-specific recycling possible - For paint and lacquers a silicone-free version is available GENERAL APPLICATIONS - Food and beverage industry - Purification plants - Pharmaceutical industry - Chemical and petrochemical industry - Water and waste water industry - Pneumatic materials handling technology The split body design allows quick and easy maintenance. - Shipbuilding - Power plants - Civil engineering

WAFER TYPE BUTTERFLY VALVE Z 611-A Z 611-A with bare shafts end acc. to EN ISO 5211 Dimensions [mm] DN [mm] 50 65 80 100 125 150 200 250 300

WAFER TYPE BUTTERFLY VALVE Z 611-A MATERIAL SPECIFICATION AND PARTS LIST Body Seat Nodular cast iron Plug screw DIN 908 Stainless Steel Nitrile butadiene rubber Ethylene propylene diene monomer rubber Stainless Steel Chlorosulfonated polyethylene rubber Fluorocarbon rubber Wiper ring Silicone rubber Styrene butadiene rubber Bearing bush Stainless Steel Brass Copper B 45 Copper Above-mentioned materials of the basic version, other materials upon request Subject to change without notice

WAFER TYPE BUTTERFLY VALVE Z 611-A TORQUE - The values listed in the table are initial breakaway torques, taken with liquids and lubricant media. - Please regard these as approximate values, as the objective value depends on different factors like pressure, medium, rubber, quality, temperature ... etc. - Our engineers look forward to help you with exact values for your application. - Powdery (non-lubricant) media Md x 1,3 - Dry gases/high viscous media Md x 1,2 Kv-VALUES - The Kv-value [m³ per hour] is the flow of water at a temperature of 5°C to 30°C (41°F to 86°F) at ∆p of 1 bar - The Kv-values...