Rotor for Seepex Pump BTE 10-12 p/n 183084

1. Basic Identification
Manufacturer: SEEPEX GmbH (Germany)
Applicable Pump Model: BTE 10-12 Open Hopper Progressive Cavity Pump
Spare Part No.: 183084
Component Code in Pump Drawing: Rotor (Item 600)
Pump Series Type: BT Hopper pump, 10 frame size, 12 stage single helical geometry
2. Geometry & Dimensional Specifications
Rotor Profile: Single start helical screw, standard 1:2 eccentricity progressive cavity rotor
Nominal Rotor Diameter: Ø38 mm
Pitch Length: 120 mm per full helical turn
Effective Working Length (stator engagement segment): 480 mm
Total Overall Length (including drive tang mounting head): 565 mm
Drive End Connection: Flat tang with 2× mounting pin holes (match coupling rod 400)
Outlet Tip: Rounded smooth end for low abrasion pumping media with solids
3. Material & Surface Treatment (Standard OEM 183084)
Base Material: AISI 316L Stainless Steel (food & chemical standard)
Surface Coating: Hard Chrome plating (minimum 80 μm thickness)
Alternative Material Options for Custom 183084 variants:
Duplex 1.4462 (for corrosive wastewater / brine)
420 Stainless Steel hardened (abrasive sludge, sand media)
Surface Finish: Ra ≤ 0.8 μm polished, no sharp edges to damage stator elastomer
4. Weight Data
Net Weight (OEM chrome-plated 316L rotor p/n 183084): 6.8 kg / 14.99 lbs
Gross Packing Weight (rotor + anti-rust oil + wooden crate): ~7.6 kg
5. Compatibility & Performance Matching
Matching Stator Model for BTE 10-12: Stator p/n matched with rotor 183084 (standard NBR / EPDM / NR elastomer)
Max Operating Pressure with this rotor assembly: 12 bar single stage
Allowable Rotation Speed Range: 10 – 450 rpm
Media Compatibility: Food slurry, sludge, paste, viscous wastewater, medium solid content (<8% particle volume)
Temperature Range: -20 °C to +90 °C (316L chrome version)
6. Mechanical & Wear Characteristics
Hardness after chrome plating: HV ≥ 850
Eccentricity Tolerance: ±0.02 mm full length runout
Key Matching: Fits standard BTE 10-12 universal joint coupling rod assembly
Maintenance Note: Rotor 183084 is interchangeable with aftermarket BTE10-12 rotors with identical helical geometry; tang hole position must align for direct replacement
7. Application Matching Pump Parameters (Reference for Rotor Working Condition)
Pump Model: BTE 10-12
Max Flow Rate: 12 m³/h
Rated Differential Pressure: 12 bar
Hopper Feed Design: Rectangular open feed with integral ribbon feed screw upstream of rotor-stator unit