G3 Mechanical Seal BQQE Pump Seal for GRUNDFOS Pumps
Short cartridge mechanical seal designed as replacement for Grundfos pumps, compatible with Type B Latty GS4 Lidering GR-B models.
Operating Specifications
Temperature Range: -30°C to +200°C
Maximum Pressure: ≤1.2 MPa
Maximum Speed: ≤10 m/s
Material Composition
- Rotary Ring: Carbon or Silicon Carbide (SiC)
- Stationary Ring: Silicon Carbide (SiC) or Tungsten Carbide (TC)
- Secondary Seal: EPDM or VITON
- Spring & Other Parts: SUS304 or SUS316 Stainless Steel
Compatible Pump Series
CH, CHI, CHE, CRK, SPK, TP, AP, CR, CRN, NK, TP, LM(D)/LP(D), NM/NP, DNM Series Pumps
Technical Specifications
| Parameter |
Specification |
| Seal Type |
BQQE series |
| Shaft Size |
Full size (12-16mm) |
| Temperature Range |
-30°C to 200°C |
| Pressure Limit |
≤1.2 MPa |
| Speed Limit |
Up to 10 m/min |
| Face Materials |
SiC, TC, Carbon |
| Seat Materials |
Carbon, SiC, TC, Ceramic |
| Elastomer Options |
NBR, EPDM, VITON |
| Spring Materials |
SS304, SS316 |
| Metal Parts |
SS304, SS316 |
Seal Dimensions
| d (mm) |
d3 |
d6 |
d7 |
l1 |
l3 |
| 12 |
22 |
19 |
23 |
39.0 |
7.6 |
| 12A |
22 |
19 |
23 |
34.0 |
7.6 |
| 15 |
26 |
23 |
27 |
39.0 |
8.7 |
| 16 |
26 |
23 |
27 |
39.0 |
8.7 |
Customization Options
Our G3 mechanical seal supports various material combinations including SIC/SIC/NBR/VITON/SS304, TC/TC/NBR/SS304, and TC/TC/VITON/SS316. We can customize designs according to customer requirements or develop new mechanical seal types to meet specific application needs.
Application Fields
Grundfos seals suitable for use in various industrial applications and pumping systems.