The Roten Replacement Mechanical Seal is a precision-engineered dual-seal assembly designed for critical applications requiring zero leakage and maximum safety. This configuration features two sets of sealing faces oriented "face to face"—pointing inward toward a common barrier fluid cavity—making it ideal for handling hazardous, abrasive, or high-temperature fluids that standard single seals cannot contain. Engineered as a direct OEM-compatible replacement for Roten Type 5 and similar models, it delivers reliable performance in chemical, pharmaceutical, and food processing pumps where space is limited and operational integrity is paramount.
Key Features
• Unitized Type 5: A heavy-duty, single-spring rubber bellows seal designed to replace Roten Type 5 and similar "Face-to-Face" standard seals.
• Bi-Directional Drive: The friction drive design allows the seal to operate regardless of shaft rotation direction, simplifying inventory for mixed pump fleets.
• Self-Aligning: The flexible elastomer bellow allows the rotary face to self-align with the stationary seat, accommodating significant shaft end-play.
• Shaft Protection: The rubber bellow covers the shaft completely in the seal area, protecting it from corrosion and eliminating fretting wear.
• Robust Spring: Uses a sturdy single coil spring that resists clogging in wastewater applications better than multi-spring designs.
Product Specifications
| Size Metric | d | D3 | D2 | D1 | d1 | L1 | L11 | L2 | L3 |
| 10 | 10 | 20 | 17 | 21 | 3 | 16.9 | 10 | 17.5 | |
| 12 | 12 | 22 | 19 | 23 | 3 | 17.4 | 10 | 17.5 | |
| 14 | 14 | 24 | 21 | 25 | 3 | 17.4 | 16.5 | 10 | 17.5 |
| 16 | 16 | 26 | 23 | 27 | 3 | 19.5 | 16.5 | 10 | 17.5 |
| 18 | 18 | 31 | 27 | 33 | 3 | 20.5 | 18 | 11.5 | 19.5 |
| 20 | 20 | 34 | 29 | 35 | 3 | 22 | 19 | 11.5 | 19.5 |
| 22 | 22 | 36 | 31 | 37 | 3 | 23.5 | 20.5 | 11.5 | 19.5 |
| 24 | 24 | 38 | 33 | 39 | 3 | 25 | 22 | 11.5 | 19.5 |
| 25 | 25 | 39 | 34 | 40 | 3 | 26.5 | 23.5 | 11.5 | 19.5 |
| 28 | 28 | 42 | 37 | 43 | 3 | 26.5 | 24.5 | 11.5 | 19.5 |
| 30 | 30 | 44 | 39 | 45 | 3 | 25 | 24.5 | 11.5 | 19.5 |
| 32 | 32 | 46 | 42 | 48 | 3 | 28.5 | 28 | 11.5 | 19.5 |
| 33 | 33 | 47 | 42 | 48 | 3 | 11.5 | 19.5 | ||
| 35 | 35 | 49 | 44 | 50 | 3 | 28.5 | 28 | 11.5 | 19.5 |
| 38 | 38 | 54 | 49 | 56 | 4 | 32.2 | 31 | 14 | 22 |
| 40 | 40 | 56 | 51 | 58 | 4 | 34.7 | 34 | 14 | 22 |
| 43 | 43 | 59 | 54 | 61 | 4 | 14 | 22 | ||
| 45 | 45 | 61 | 56 | 63 | 4 | 39.2 | 36.5 | 14 | 22 |
| 48 | 48 | 64 | 59 | 66 | 4 | 44.7 | 42 | 14 | 22 |
| 50 | 50 | 66 | 62 | 70 | 4 | 45.7 | 43 | 15 | 23 |
| 53 | 53 | 69 | 65 | 73 | 4 | 15 | 23 | ||
| 55 | 55 | 71 | 67 | 75 | 4 | 49 | 47 | 15 | 23 |
| 58 | 58 | 78 | 70 | 78 | 4 | 52 | 50 | 15 | 23 |
| 60 | 60 | 79 | 72 | 80 | 4 | 53 | 51 | 15 | 23 |
| 63 | 63 | 83 | 75 | 83 | 4 | 15 | 23 | ||
| 65 | 65 | 85 | 77 | 85 | 4 | 54.3 | 52 | 15 | 23 |
| 68 | 68 | 88 | 81 | 90 | 4 | 55.3 | 52.7 | 18 | 26 |
| 70 | 70 | 90 | 83 | 92 | 4 | 56.3 | 54 | 18 | 26 |
| 75 | 75 | 98 | 88 | 97 | 4 | 56.3 | 54 | 18 | 26 |
| 80 | 80 | 103 | 95 | 105 | 4 | 59.3 | 58 | 18.2 | 26.2 |
Workshop
This workshop is equipped with professional processing equipment and integrated with standardized material warehousing management, enabling a one-stop production process from precision machining to finished product delivery. It ensures part machining accuracy and production efficiency, meeting various high-specification manufacturing requirements.
Product Research, Development and Testing
Our Product R&D and Testing focuses on optimizing seal performance through advanced simulation and material analysis. All face to face mechanical seals undergo rigorous trials, including thermal cycling and pressure tests, to ensure durability, minimal leakage, and long service life in demanding industrial environments.
Industry Solutions
Case Study
Cooling Tower: Replaced leaking OEM seals on a cooling water circulation pump. The Roten-style rubber bellow seal handled the vibration of the aging pump motor perfectly, sealing leaks where O-ring seals had failed.
Testimonials
We use these on all our Italian-made water pumps. Fits perfectly and costs a fraction of the OEM spare part.
—Pump Distributor, Italy
FAQs about Roten Replacement Mechanical Seal Face to Face
Q: What does "Face to Face" mean here?
A: In this context, it refers to the complete seal assembly including both the rotary face and the stationary seat, supplied as a matched pair ready for installation.
Q: What is a Face to Face mechanical seal, and how is this Roten Replacement Seal different from standard seals?
A: A Face to Face mechanical seal configuration features two sets of seal faces installed in opposite orientations, sharing a common gland. This Roten replacement seal is specifically engineered as a direct, form-fit-and-function replacement for original equipment. It is designed to handle pressure from both directions, offering superior containment for volatile or hazardous media compared to many standard single seals.
Q: What are the primary application advantages of choosing this Roten Face-to-Face mechanical seal?
A: The primary advantages are reliable dual-directional pressure sealing, enhanced safety for handling volatile or toxic fluids, and excellent performance in applications where the sealed fluid may crystallize or solidify, as the design helps prevent clogging between the seal faces. It is a robust solution for pumps, mixers, and agitators in demanding chemical, petrochemical, and pharmaceutical processes.
Our company is specialized in the production of sealing materials, mechanical seals , cartridge seals.
E-mail: gechacha@aliyun.com
Mobile: +86-18758835650
WhatsApp: +86-18758835650
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