YUEMI 560d30/35 Double End Single-Spring Seal Balanced Mechanical Seal
A high-performance dual mechanical seal featuring back-to-back arrangement with excellent chemical resistance and solids handling capabilities.
Key Features
- Dual seal configuration for enhanced reliability
- Excellent chemical resistance and solids handling capability
- In-house manufactured sliding parts for quality control
Product Advantages
The 560 series combines the benefits of dual seal technology with the proven performance of the 560 base design, offering superior sealing performance in demanding applications.
Operating Range
| Shaft Diameter |
13 ... 50 mm (0.51" ... 1.96") |
| Pressure |
d ≤19 mm: 2 bar (29 PSI), d ≥ 20 mm: 3 bar (44 PSI), vacuum ... 0.1 bar (1.45 PSI) |
| Temperature |
-20 °C ... +70 °C (-4 °F ... 158 °F) |
| Sliding Velocity |
5 m/s (16 ft/s) |
| Axial Movement |
±1.0 mm |
Material Specifications
| Seal Face |
Carbon graphite resin impregnated (B), Silicon carbide (Q1, Q2) |
| Seat |
Aluminium oxide (V), Silicon carbide (Q1, Q2) |
| Elastomer |
NBR (P) |
| Metal Parts |
CrNi steel (F) |
Recommended Applications
Industries: Water and waste water technology, Chemical industry, Process industry
Media: Water and waste water, Glycols, Oils
Equipment: Industrial pumps, Submersible pumps, Engine pumps, Circulating pumps
Component Identification
| Item |
Description |
| 1.1 |
Seal face |
| 1.2 |
Bellows |
| 1.3 |
Spring collar |
| 1.4 |
Drive collar |
| 1.5 |
Spring |
| 2 |
Seat |
| 3 |
Corner sleeve |
| 4 |
Washer |
Dimensional Specifications (mm)
| d |
d1 |
d2 |
d3 |
d4 |
d5 |
l |
l1 |
l2 |
l3 |
| 13 |
25 |
17 |
25 |
- |
- |
36 |
5 |
- |
- |
| 14 |
30 |
20 |
30 |
- |
- |
36 |
5 |
- |
- |
| 15 |
30 |
20 |
30 |
- |
- |
36 |
5 |
- |
- |
| 16 |
30 |
20 |
30 |
- |
- |
36 |
5 |
- |
- |
| 20 |
44 |
23 |
38 |
60 |
72 |
49 |
7 |
7 |
1.0 |
| 25 |
50 |
28 |
44 |
60 |
72 |
51 |
7 |
7 |
1.0 |
| 30 |
57 |
33 |
50 |
70 |
82 |
59 |
9 |
8 |
1.0 |
| 35 |
64 |
38 |
58 |
80 |
94 |
61 |
9 |
9 |
1.2 |
| 40 |
70 |
43 |
64 |
85 |
100 |
64.5 |
11 |
9 |
1.2 |
| 45 |
70 |
48 |
66 |
90 |
105 |
65 |
10 |
9 |
1.0 |
| 50 |
80 |
53 |
72 |
95 |
109 |
69.5 |
10 |
9 |
1.2 |