Catalog excerpts
WAFER TYPE BUTTERFLY VALVE Z 011-B TECHNICAL DATA Nominal diameter: EN 558 Series 20 ISO 5752 Series 20 API 609 Table 1 Flange accommodation: EN 1092 PN 6/10/16 ASME Class 150 Flange Surface Design: Tightness check: EN 12266 (Leakage rate A) ISO 5208, Category 3 Temperature range: -10°C to +120°C (depending on pressure, medium and material) Operating pressure: A universally applicable wafer type valve with vulcanised liner according to EN 593. FEATURES - Vulcanised liner - Triple shaft bearing prevent shaft deflection - The valve body and disc are accurately machined which results in low operating torque and long service life - Four flange mounting holes ensure correct valve location when installing - Can be installed in any desired position - Maintenance-free - Single flange mounting wafer type: DN 50 - 250: 3 bar DN 300 - 600: 2 bar GENERAL APPLICATIONS: - Chemical and petrochemical industries - Water and waste water technology - Pneumatic materials handling technology - Shipbuilding - Power generation industry - Food industry - Civil engineering The shaft has multiple bearings. This ensures an optimal guidance even after many years of use.
Open the catalog to page 1WAFER TYPE BUTTERFLY VALVE Z 011-B Z 011-B with bare shaft end according to EN ISO 5211 Subject to change without not
Open the catalog to page 2WAFER TYPE BUTTERFLY VALVE Z 011-B MATERIAL SPECIFICATION AND PARTS LIST 9 3 Description Body Grey Cast Iron Vulcanised liner EPDM Bearing bush Heat treated steel Seal Copper Plug screw DIN 908 Stainless Steel Shaft Stainless Steel Disc Stainless Steel Plug screw DIN 915 Steel Wiper ring PTFE Version with splitted shaft Ethylene propylene diene monomer rubber 42CrMo4 Pts. 14-17: Cover plate for valve ≥ DN 350 45 H galvanized Polytetrafluorethylene PTFE Description TS-Shaft Stainless Steel TS-Disc Stainless Steel Sleeve Stainless Steel Retaining ring Stainless Steel O-Ring NBR Shaft retainer...
Open the catalog to page 3WAFER TYPE BUTTERFLY VALVE Z 011-B 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 - The Kv-values [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...
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