Volute casing pumps
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Volute casing pumps - 1

Volute casing pumps ZLND 32 - 125 ... 300 - 500 133.65501.67.01 E PUMP TECHNOLOGY ZLND 09/2001 TECHNICAL DATA Flow: max. 1800 m³/h Head: max. 140 m Speed: max. 3600 rpm Material: cast iron (0B,0C,0E) and stainless steel (4B) Temperature: max. 170 ºC depending on the shaft sealing and material execution. Casing Pressure: material design 4B PN 16 0B, 0C, 0E PN 16 / 101) / 142) Shaft sealing: mechanical seal or stuffing box Flange connections: material design 4B DIN 2501 PN 16 0B, 0C, 0E DIN 2501 PN 16 / 103) Direction of rotation: clockwise when looking at the pump from the drive end. APPLICATION Volute casing pumps of the ZLN range (meeting DIN 24255 / EN 733 and ISO 9908) are used when clear or turbid liquids free from solid particles are to be pumped. Application areas for pumps in this range include: Automobile, mechanical and general engineering industries Food and beverage industry Pharmaceutical industry Paint industry Plastic and rubber industry Iron and non-ferrous metal industry Paper and pulp industry Textile industry Building and construction industry Heating and air conditioning Drainage Water supply Irrigation A range of materials is available to meet the specific needs of customers. For applications not covered by this pump range we offer the ISOchem range. DESIGN Horizontal, single-stage volute casing pumps with connections and main dimensions to DIN 24255 / EN 733, plus 19 additional sizes. The design of the pump allows the complete drive unit to be withdrawn from the casing without disturbing the attached pipe work. If a spacer type coupling is used, it is also unnecessary to disconnect the motor. The range covers 50 sizes with only 5 different bearing brackets. CONSTRUCTION Casing pressure: Material 4B: max 16 bar from - 40 °C to +120 °C max 14 bar from 120ºC up to +170 °C Material 0B, 0C, 0E: max 16/101)/142) bar from - 20 °C to +120 °C max 14/91)/82) bar from 120 ºC up to +170 °C Max. casing pressure= inlet pressure + delivery head at zero flow Please note: The relevant technical regulations and safety rules must be observed. Flanges location: Axial suction flange, discharge flange radially upwards. Flanges: Material design 4B: Complies with DIN 2543 PN 16 Material design 0B, 0C, 0E: DIN 2533 PN 16 / 2532 PN 103) Flanges drilled according to ANSI 150 can be supplied. Bearings: Bearing brackets 25, 35 and 45: Two ball bearings, lifetime greased (2Z), design code B, or oil lubrication, design code C. Bearing brackets 55 and 65: One double row angular contact bearing on pump side, plus one ball bearing on drive side, grease lubricated S or oil lubricated T. Oil lubrication configurations with CLO (Constant Level Oiler) can be supplied. Shaft sealing: Shaft sealing either by stuffing box or mechanical seal. Code 041: Self-sealed, uncooled packing rings Code 052: Uncooled packing rings, external sealing liquid Code AF3: Balanced mechanical seal, seal face materials SiC/Carbon, elastomer EPDM Code BJ3: Unbalanced bellows mechanical seal, seal face materials SiC/Carbon, elastomer EPDM Code C23: Unbalanced bellows mechanical seal, seal face materials SiC/Carbon, elastomer EPDM Code AFS: Balanced mechanical seal, seal face materials SiC/ SiC, elastomer FPM (Viton) Code BJS: Unbalanced bellows mechanical seal, seal face materials SiC/ SiC, elastomer FPM (Viton) Code C2S: Unbalanced bellows mechanical seal, seal face materials SiC/ SiC, elastomer FPM (Viton) Code AFK: Balanced mechanical seal, seal face materials SiC/carbon, elastomer FPM (Viton) double PTFE (Teflon) wrapped Code BJJ: Unbalanced bellows mechanical seal, seal face materials SiC/Carbon, elastomer FPM (Viton) Code C2J: Unbalanced bellows mechanical seal, seal face materials SiC/Carbon, elastomer FPM (Viton) Codes AX3, AXS, AXK: are equivalent to AF3, AFS, AFK plus quench Codes AY3, AYS, AYK: are equivalent to AF3, AFS, AFK plus heating Code A93, A9S, A9K: are equivalent to AF3, AFS, AFK plus external flushing As an option, Code 051 (as 052, but with inlet and outlet) and other sealing execution can be supplied on request. 1) From 80-400 to 300-500 except 150-500 2) 150-500 3) 150-200, 150-250 and 200-250

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Volute casing pumps - 2

Designs are subject to amendment without prior notice. Material design: Item Component Material Construction Mat. Nº DIN denomination ISO EN denomination US Material 0B 0C 0E 4B ASTM Standard AISI 10.20 Volute casing EN-JL 1040 1.4408 GG-25 GX6CrNiMo18 10 EN-GJL 250 GX5CrNiMo19-11-2 A 278 Cl. 30 A 351 CF8M 316 x x x x 16.10 Casing cover EN-JL 1040 1.4408 GG-25 GX6CrNiMo18 10 EN-GJL 250 GX5CrNiMo19-11-2 A 278 Cl. 30 A 351 CF8M 316 x x x x 21.00 Shaft 1.0503 1.4021 1.4401 C 45 X 20 Cr13 X5CrNiMo17 12 2 C 45 X 20 Cr13 X5CrNiMo17 12 2 A 576 Gr1045 A 276 Type 420 A 167 Gr316 1045 420 316 x(*) x...

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Volute casing pumps - 3

Designs are subject to amendment without prior notice. SECTIONAL DRAWING AND NOMENCLATURE 52.40 10.20 23.00 43.30 16.10 33.00 21.00 18.30 32.10 46.10 10.20 volute casing 23.00 impeller 43.30 mechanical seal 16.10 casing cover 32.10 ball bearing 46.10 stuffing box 18.30 support foot 33.00 bearing bracket 52.40 shaft sleeve (stuffing box) 21.00 shaft Mechanical seal BJ3 Stuffing Box 041 Bearing brackets 25, 35 and 45 46.10 Shaft seal Code 052 43.30 Mechanical seal with external flushing Code A93/A9S/A9K 43.30 Shaft seal Code AF3/AFS/AFK 46.10 43.30 Shaft seal Code 041 Shaft sea Code...

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Volute casing pumps - 4

Designs are subject to amendment without prior notice. SECTIONAL DRAWING AND NOMENCLATURE 32.11 32.10 52.30 18.30 10.20 23.00 16.10 33.00 21.10 43.00 46.10 52.40 10.20 volute casing 23.00 impeller 43.30 mechanical seal 16.10 casing cover 32.10 ball bearing 46.10 stuffing box 18.30 support foot 32.11 ball bearing 52.30 shaft sleeve (mechanical seal) 21.00 shaft 33.00 bearing bracket 52.40 shaft sleeve (stuffing box) 46.10 46.10 46.10 43.30 43.30 43.30 Shaft Seal Code 052 Shaft Seal Code C23/C2S/C2J Shaft Seal Code BJ3/BJS/BJJ Shaft Seal Code 051 (optional) Shaft Seal Code 041 Shaft Seal Code...

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Volute casing pumps - 6

Designs are subject to amendment without prior notice. Performance Graph n = 1750 rpm Q [m³/h] H [ft] H [m] n = 3500 rpm Q [m³/h] H [ft] H [m]

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