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DOUBLE FLANGED BUTTERFLY VALVE Z 612-A

DOUBLE FLANGED BUTTERFLY VALVE Z 612-A
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DOUBLE FLANGED BUTTERFLY VALVE Z 612-A - 1

DOUBLE FLANGED BUTTERFLY VALVE Z 612-A TECHNICAL DATA Nominal diameter: EN 558 Series 20 ISO 5752 Series 20 API 609 Table 1 Flange connection: Flange Surface Design: Tightness check: EN 12266 (Leakage rate A) ISO 5208, Categroy 3 Temperature range: -40°C to +200°C (depending on pressure, medium and material) Operating pressure: Resilient seated double flanged butterfly valve for semi-corrosive media with split body 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 - Disc`s sealing surface mirror polished - Materials complying with FDA standards available - Can be disassembled, material-speciﬁc recycling possible - For paint and laquers, a silicone-free version is available GENERAL APPLICATIONS - Food and beverage industry - Puriﬁcations 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

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DOUBLE FLANGED BUTTERFLY VALVE Z 612-A - 2

DOUBLE FLANGED BUTTERFLY VALVE Z 612-A Design with double flat shaft ØD Z 612-A with bare shaft end acc. to EN ISO 5211 Face to face dim. acc. to EN 558 Series 20, 78mm Face to face dim. acc. to EN 558 Series 25, 92mm Subject to change without not

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DOUBLE FLANGED BUTTERFLY VALVE Z 612-A - 3

DOUBLE FLANGED BUTTERFLY VALVE Z 612-A MATERIAL SPECIFICATION AND PARTS LIST Nodular cast iron Pos. 4-6: 5 Plug screw for valves ≥ DN 350 6 Stainless Steel Nitrile butadiene rubber Ethylene propylene diene monomer rubber Wiper ring / upper bearing bush Stainless Steel Stainless Steel Bearing bush Brass Nitrile butadiene rubber Stainless steel Carbon steel Nodular cast iron Nitrile butadiene rubber Above-mentioned materials of the basic version, other materials upon request Subject to change without notic

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DOUBLE FLANGED BUTTERFLY VALVE Z 612-A - 4

DOUBLE FLANGED BUTTERFLY VALVE Z 612-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. - 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 speciﬁed are based on tests carried out by the Delfter Hydraulics Laboratories,...

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