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
