E-mail: sales@cmecn.com
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API 610 Pump Spare Parts
Mechanical Seals & Impellers — Fit-for Sulzer, Flowserve & KSB
CME supplies OEM-equivalent spare parts for API 610 centrifugal pumps used in refining, petrochemical, water injection and pipeline transfer services. Covering Sulzer BB2/BB3/OH2/VS, Flowserve CPP/HPX, KSB Omega/CPK and equivalent CN OEMs.
Two categories apply:
• Stock items — mechanical seals (API 682) and rolling bearings (ISO) are true industry-universal and dispatched from stock;
• Made-to-order items — impellers, casings, shafts and wear rings are model-specific; we reverse-engineer per your OEM drawing and original tolerances, 2–3 weeks lead.
Also available:
[ Mud Pump Spares for EMSCO, GD & National ]
[ Frac & Acidizing Pump Spares for SPM QEM & Halliburton HT ]
Key Advantages
1. Stock Items: Seals & Bearings (API 682/ISO):
Mechanical seals interchangeable per API 682 (Cartridge Type 21/202 fit Sulzer BB2, Flowserve CPP, KSB OH2).
SKF/FAG bearings per ISO — true industry universal, no drawing required.
2. Fit-for Major OEMs:
Sulzer BB2/BB3/OH2/VS, Flowserve CPP/HPX, KSB Omega/CPK and CN equivalents.
We do not claim 'full-brand interchange' on rotating parts — impellers/casings are model-specific; we supply fit-for equivalents reverse-engineered to OEM specs.
3. Reverse-Engineering for Rotating Parts:
Impellers, casings, shafts, wear rings and sealing gland parts supplied per your OEM part number or nameplate photo.
Material certs (EN 10204 3.1) and dimensional report provided.
4. 5000+ SKU Inventory Covering API 610 Pump Parts:
High-turn items (seal faces, bearing sets, O-rings) stocked in factory for same-week dispatch.
Can't Find Your Exact Part?
Please identify the parts you need from the 【API 610 Petrochemical Centrifugal Pump Prats List 】provided below.
For rotating parts (impeller/casing/shaft), send us your OEM brand, pump model, OEM part number — or a photo of the nameplate if the p/n is missing. Our engineers will cross-reference within 24 h and quote accordingly.
Email: sales@cmecn.com | 
WhatsApp: +86 182 2980 0688
| API 610 Petrochemical Centrifugal Pump Parts List | ||||
|---|---|---|---|---|
| Part Name | Interchangeability Level | Applicable Scope | Material Specification | Remarks |
| Mechanical Seal | Full Industry Interchangeable | All Brands of API 610 Pumps | SiC/Graphite/Stainless Steel | API 682 Standard Compliant, fully interchangeable with same specification from John Crane/Burgmann and other brands |
| Standard Rolling Bearing | Full Industry Interchangeable | All Brands of API 610 Pumps | ISO Standard Compliant | SKF/FAG and other GB/ISO standard bearings universal for whole industry |
| Standard fasteners / O-rings / Oil seals / Skeleton oil seals | Full Industry Interchangeable | All Brands of API 610 Pumps | ASME/GB Standard Compliant | GB/ISO standard parts universal for whole industry |
| Coupling(Diaphragm/Jaw Type)/Coupling Guard | Full Industry Interchangeable | All Brands of API 610 Pumps | Cast Steel/Aluminum Alloy | API/GB Standard Compliant, size universal |
| Oil Level Gauge/Oil Drain Valve/Cooling Water Pipe Fitting | Full Industry Interchangeable | All Brands of API 610 Pumps | Carbon Steel/Stainless Steel | Standard interface size universal |
| Wear Ring(Impeller Wear Ring/Casing Wear Ring) | Same Model Replica Available | Same model API 610 pumps (e.g. Sulzer BB2 ZE-150 only fits same model) | Cr13/Duplex Steel | Original factory drawing number required, replica according to original factory size tolerance, cannot be universal across models |
| Shaft Sleeve(Wear-resistant Anti-corrosion Shaft Sleeve) | Same Model Replica Available | Same model API 610 pumps | Cr13/Duplex Steel/316L | Original factory drawing number required, replica according to original factory size tolerance, cannot be universal across models |
| Balance Disc/Balance Drum/Balance Bushing | Same Model Replica Available | Same model multi-stage BB5 pumps | Cr13/Duplex Steel | Original factory drawing number required, replica according to original factory size tolerance, cannot be universal across models |
| Seal Gland/Throttle Bushing/Flush Ring | Same Model Replica Available | Same model API 610 pumps | Carbon Steel/Stainless Steel | Original factory drawing number required, replica according to original factory size tolerance, cannot be universal across models |
| Impeller(Closed Type/Semi-open Type) | Non-interchangeable, Customization Available | No Universal Scope | Cr13 Martensitic Steel/Duplex Steel/Stainless Steel | Each pump manufacturer has unique flow channel design, must provide original factory complete drawing number/scan for customization, absolutely not universal |
| Pump Casing(Volute)/Pump Cover/Casing Segment(Multi-stage Pump) | Non-interchangeable, Customization Available | No Universal Scope | Cast Steel/Duplex Steel | Each pump manufacturer has unique hydraulic design, must provide original factory complete drawing number/scan for customization, absolutely not universal |
| Pump Shaft(Main Shaft) | Non-interchangeable, Customization Available | No Universal Scope | Quenched and Tempered Alloy Steel | Each pump manufacturer has unique shaft system design, must provide original factory complete drawing number/scan for customization, absolutely not universal |
| Bearing Housing/Bearing End Cover | Non-interchangeable, Customization Available | No Universal Scope | Cast Steel | Replicable only for identical pump models, OEM drawing number mandatory, non-interchangeable across different models. |
Mechanical Seal
Impeller
Casing / Volute
Multistage Pump Cartridge Assembly
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Contact Us
+86 182 2980 0688
sales@cmecn.com
No.249 Furong South Road, Changsha,
Hunan, China
24/7 Technical Support
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