Q: What makes your seal a true replacement for Grundfos OEM seals?
A: Engineered with laser-scanned dimensional precision (±0.01mm) and grade-matched materials (e.g., silicon carbide vs. carbon vs. ceramic pairings), our seals
replicate OEM hydrodynamic profiles. Independent testing confirms 99.3% fit-rate across Grundfos CR, NB, and TP series pumps.
Q: How do you solve leakage failures in aging pumps?
A: Our triple-defense technology targets Grundos’ top failure points:
Thermal Lock – Patent-pending spring design prevents jamming at 150°C+ (vs.
OEM’s 120°C limit).
Abrasion Shield – Nano-polished faces reduce particulate scoring by 70%.
Chemical Matrix – Fluorocarbon elastomers resist glycol, chlorine, and pH extremes
(pH 1-14).
Q: Why is your seal more cost-effective than Grundfos originals?
A: We bypass OEM markup while enhancing durability:
Price: 40-60% lower than genuine Grundfos seals
Lifespan: 8,000+ service hours (verified in wastewater transfer pumps)
Inventory: 24hr shipment from US/EU hubs – no 6-week OEM waits.
| Parameter | Standard Replacement | Performance Upgrade | Harsh Service Option |
|---|
| Compatibility | Exact Grundfos OEM dimensions | Grundfos OEM+ tolerances | Custom-engineered solutions |
| Face Materials | Carbon vs. Ceramic | Silicon Carbide (SiC) | Tungsten Carbide (WC) / Diamond-coated |
| Elastomers | NBR | FKM (Viton®) | FFKM (Kalrez®) |
| Temp. Range | -20°C to +120°C | -30°C to +200°C | -50°C to +300°C |
| Pressure Rating | 10 bar (145 psi) | 15 bar (217 psi) | 25 bar (362 psi) |
| Speed Limit | 20 m/s (65 ft/s) | 25 m/s (82 ft/s) | 30 m/s (98 ft/s) |
| MTBF Improvement | OEM equivalent | +30% vs. OEM | +50% vs. OEM |
| Special Features | Basic flush plans | Optimized hydraulics | API 682 Plan 32/53 support |
| Chemical Resistance | Water/glycols | Oils, mild chemicals | Strong acids/alkalis |
Shipping & Payment Terms:
Port of Loading: Shanghai
Shipping Method: DHL,UPS,FEDEX,TNT, etc
Payment Terms: T/T, Western Union, money gram
Our services:
◆ OEM/ODM orders are available for our factory
◆ Accept customized mechanical seals according to your drawing or
requirements
◆ Small quantity is accepted
◆ Provides excellent quality with competitive price
