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Multi Spring Mechanical Seal
Multi Spring Mechanical Seals are designed for high performance and reliability in demanding industrial applications. Multiple springs ensure uniform face loading, reduced wear and longer seal life even under varying operating conditions.
Reliable
Performance
Easy
Installation
Cost
Effective
Long
Service Life
Description
Multi Spring Mechanical Seal is a high performance sealing solution specially designed for critical applications such as high pressure, corrosive, and high temperature services.
It uses multiple coil springs to provide even and constant face loading, minimizing face distortion and extending seal life.
It is widely used in chemical, petrochemical, oil & gas, pharmaceutical, pulp & paper, and other heavy duty industrial applications.
Features
- Multiple springs for uniform face loading
- Better compensation for wear and misalignment
- High reliability in high pressure and high temperature
- Reduced face wear and extended seal life
- Compact design with robust construction
- Suitable for a wide range of fluids and applications
Operating Conditions
Technical Drawing - Type 59U
Specification
| Part | Standard Material |
|---|---|
| Rotary Face | Carbon / SIC / TC |
| Stationary Face | Ceramic / SIC / TC |
| Secondary Seal | NBR / EPDM / FKM / PTFE |
| Spring | SS 316 / Hastelloy C |
| Metal Parts | SS 304 / SS 316 |
| Seat Type | Standard / Conical |
| Balance | Balanced |
| Direction of Rotation | Independent of Direction |
| Drive Type | By Multiple Springs |
| Mounting | Pusher / Screw / Set Screw |
Dimensional Data (mm)
| Seal Size/D1 (mm) | Seal Size Code | D3 | D4 | D11 | D12 | L3 | L45 |
|---|---|---|---|---|---|---|---|
| 14 | 0140 | 24 | 26 | 18.4 | 2.5 | 23.0 | 2.5 |
| 16 | 0160 | 26 | 28 | 20.4 | 2.5 | 23.0 | 2.5 |
| 18 | 0180 | 32 | 34 | 24.5 | 4.0 | 24.0 | 4.0 |
| 20 | 0200 | 34 | 36 | 26.5 | 4.0 | 24.0 | 4.0 |
| 22 | 0220 | 36 | 38 | 28.5 | 4.0 | 24.0 | 4.0 |
| 24 | 0240 | 38 | 40 | 30.5 | 4.0 | 26.7 | 4.0 |
| 25 | 0250 | 39 | 41 | 31.5 | 4.0 | 27.0 | 4.0 |
| 28 | 0280 | 42 | 44 | 34.5 | 4.0 | 30.0 | 4.0 |
| 30 | 0300 | 44 | 46 | 36.5 | 4.0 | 30.5 | 4.0 |
| 32 | 0320 | 46 | 48 | 38.5 | 4.0 | 30.5 | 4.0 |
| 33 | 0330 | 47 | 49 | 38.5 | 4.0 | 30.5 | 4.0 |
| 35 | 0350 | 49 | 51 | 41.5 | 4.0 | 30.5 | 4.0 |
| 38 | 0380 | 54 | 56 | 45.0 | 4.0 | 32.0 | 4.0 |
| 40 | 0400 | 56 | 60 | 47.0 | 4.0 | 32.0 | 4.0 |
| 43 | 0430 | 59 | 63 | 50.0 | 4.0 | 32.0 | 4.0 |
| 46 | 0460 | 61 | 65 | 52.0 | 4.0 | 32.0 | 4.0 |
Dimensional Data (mm)
| Seal Size/D1 (mm) | Seal Size Code | D3 | D4 | D11 | D12 | L3 | L45 |
|---|---|---|---|---|---|---|---|
| 48 | 0480 | 64 | 68 | 55.0 | 4.0 | 32.0 | 4.0 |
| 50 | 0500 | 66 | 70 | 57.0 | 4.5 | 34.0 | 4.0 |
| 53 | 0530 | 69 | 73 | 60.0 | 4.0 | 34.0 | 4.0 |
| 55 | 0550 | 71 | 75 | 62.0 | 4.0 | 34.6 | 4.0 |
| 58 | 0580 | 78 | 83 | 67.5 | 5.5 | 32.5 | 5.5 |
| 60 | 0600 | 80 | 85 | 69.5 | 5.5 | 39.0 | 5.5 |
| 63 | 0630 | 83 | 88 | 72.5 | 5.5 | 39.0 | 5.5 |
| 65 | 0650 | 85 | 90 | 74.5 | 5.5 | 39.0 | 5.5 |
| 68 | 0680 | 92 | 97 | 77.5 | 5.5 | 39.0 | 5.5 |
| 70 | 0700 | 97 | 102 | 80.5 | 5.5 | 39.0 | 5.5 |
| 75 | 0750 | 105 | 115 | 86.5 | 5.5 | 36.0 | 5.5 |
| 80 | 0800 | 110 | 115 | 86.5 | 5.5 | 36.0 | 5.5 |
| 85 | 0850 | 115 | 120 | 94.5 | 5.5 | 36.0 | 5.5 |
| 90 | 0900 | 120 | 125 | 96.5 | 5.5 | 39.0 | 5.5 |
| 100 | 1000 | 130 | 135 | 109.5 | 5.5 | 39.0 | 5.5 |
| 120 | 1200 | 145 | 150 | 134.5 | 5.5 | 39.0 | 5.5 |
Applications
Chemical Plants
Oil & Gas Industry
Petrochemical Plants
Pharmaceuticals
Pulp & Paper
Power Plants
Water Treatment
Sugar Industry
Refineries
Marine Applications
Quality Assured
Manufactured with precision and tested for reliability
Custom Solutions
Materials and designs tailored to your application
Fast Delivery
Quick turnaround time for all orders
Expert Support
Technical assistance from experienced engineers
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