Sulman APP11-32 Centrifugal End Suction Pumps
Sulman APP11-32 pumps are part of the APP series process pump, which are horizontal end-suction, single-stage centrifugal process pumps designed for industrial applications. They are widely used in pulp & paper, chemical processing, mining, metals, fertilizers, biofuels, and wastewater applications.
Sulman APP11-32 pumps are known for:
Sulman APP11-32 Pumps Design Features
1. Back Pull-Out Construction
Advantage of APP pumps:
Rotating assembly can be removed without disconnecting piping
Faster maintenance
Reduced production downtime
Typical replaced parts:
Impeller, Shaft, Mechanical seal, Bearings, Shaft sleeve
2. Modular Construction
APP pumps use a modular design:
Fewer spare parts required
Easier repair
Lower maintenance inventory cost
Common interchangeable parts:
Bearing units, Seal arrangements, Rotating assemblies
3. Material Options
APP pumps can be configured with different materials according to the liquid:
Common materials: Cast iron, Stainless steel, Duplex stainless steel, Corrosion-resistant alloys
Suitable for: Corrosive chemicals, Fiber-containing liquids, Industrial process fluids
Sulman APP Series Pumps Models:
Small Size: APP11-32, APP11-40, APP11-50, APP21 series
Medium Size: APP31 series, APP32 series, APP41 series, APP43 series
Large Size: APP51 series, APP52 series, APP53 series, APP61 series, APP71 series
For Examples:
APP11-32 → small process applications
APP41-300 → medium/high-flow industrial applications
APP51-300 → large process systems
APP61-500 → very large industrial flow applications
Sulman APP11-32 Pumps Performance Parameters
| Parameter | APP11-32 Pumps Typical Range |
| Pump Type | Single-stage end suction centrifugal pump |
| Capacity | Approx. 5–25 m³/h |
| Head | Approx. 10–45 m |
| Speed | 1450 rpm / 2900 rpm (50 Hz) |
| Motor Power | Approx. 1.5–7.5 kW (depending on duty point) |
| Efficiency | Approx. 40–60% (depending on impeller and operating point) |
| NPSHr | Approx. 1–3 m |
| Temperature Capability | Up to approx. 180°C (depending on materials and seal selection) |
| Maximum Working Pressure | Up to approx. 16 bar (configuration dependent) |
Sulman APP11-32 Pumps Are Used in Sugar Syrup
Sulman APP11-32 pumps can be used for sugar syrup service, especially for clean or slightly contaminated syrup transfer applications in sugar factories and food processing plants. APP series is designed for industrial process liquids and is used in food & beverage applications, including sugar-related processes.
APP11-32 Pumps for Syrup Transfer
Sulman APP11-32 Pumps for Chemical Plant
1. Chemical Transfer: Chemical solutions, Additives, Process liquids, Solvents, Cleaning chemicals
2. Acid & Alkali Circulation: Sulfuric acid solutions, Phosphoric acid solutions, Hydrochloric acid solutions, Sodium hydroxide (NaOH), Potassium hydroxide (KOH), Alkaline cleaning solutions
3. Fertilizer Plant Applications: Fertilizer solution transfer, Process water circulation, Chemical additive systems, Cooling systems, Scrubbing systems
4. Pharmaceutical & Fine Chemical Plants: Process liquid circulation, Cleaning systems (CIP), Solvent transfer, Utility systems
5. Petrochemical & General Chemical Processes: Cooling water circulation, Condensate transfer, Utility water systems, Process liquid circulation
Sulzer APP11-32 Pumps Spare Parts and Parts Materials
| Pump Parts | Common materials | Applications |
| Pump Casing | Cast Iron ASTM A48 CL35B, Ductile Iron ASTM A395, Carbon Steel ASTM A216 WCB, Duplex SS ASTM A890 Grade 3A | General water → corrosive chemical service |
| Impeller | Duplex Stainless Steel ASTM A890 3A, Austenitic Stainless Steel CF-8, Martensitic Stainless Steel CB7Cu-2 | Hydraulic performance, corrosion resistance |
| Shaft | Stainless Steel / Duplex Stainless Steel | Strength and corrosion resistance |
| Shaft Sleeve | Stainless Steel, Duplex Stainless Steel | Protects shaft from mechanical seal wear |
| Wear Ring | Stainless Steel, Duplex Stainless Steel | Maintains efficiency and clearance |
| Mechanical Seal Parts | SiC/SiC, Carbon/SiC, 316 Stainless Steel, Duplex materials | Depends on chemical and temperature |
| Gasket / O-ring | EPDM, FKM (Viton), PTFE | Depends on liquid compatibility |
APP11-32 Pumps Can Be Configured With Different Materials Depending On The Applications
| Application | Typical Material Consideration |
| Water / clean liquids | Cast iron / stainless steel |
| Chemical liquids | Stainless steel / duplex materials |
| Sugar syrup | Stainless steel wetted parts |
| Food applications | Food-compatible materials |
| Corrosive liquids | Corrosion-resistant alloys |
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+86 311 8722 1317
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