Let’s learn about Rathi-Ringfeder Disc Couplings RLM with Dai Hong Phat, through the following article!
1. About Dai Hong Phat Corp – Rathi India
– Dai Hong Phat Corp is the official authorized representative of Rathi India in Vietnam (Rathi Vietnam), Laos, Cambodia, Philippines and Bangladesh. We provide genuine transmission shaft coupling solutions that meet international standards, helping to optimize the performance and durability of machinery systems.
– Established in 1993 in Pune, India, under Rathi Group. The company has achieved ISO 9001 certification and specializes in manufacturing transmission couplings. With a global distribution system and strict quality control processes, Rathi quickly became an internationally prestigious brand.
– In 2024, Rathi officially merged into Ringfeder.
– The Rathi-Ringfeder Disc Couplings RLM supplied by Dai Hong Phat are 100% genuine imports, with full CO/CQ, meeting international quality standards.
Learn more: Other Rathi-Ringfeder Disc Couplings lines
2. Characteristics of Rathi-Ringfeder Disc Couplings RLM
– Manufacturer brand: Rathi-Ringfeder India
– The Rathi-Ringfeder disc couplings RLM is an all-metal coupling.
– Construction:
+ 2 hubs
+ 1 central cushioning unit
+ 2 sets of stainless steel coupling discs bolted together with high-strength bolts.
– Easy replacement of steel discs without disassembling the machine.
– Capable of withstanding angular, parallel, and axial misalignment.
– Stable operation in high-temperature environments.
– Zero backlash design ensures precise torque transmission.
– High-precision machining, lightweight yet highly durable design.
– Key Specifications:
+ Power: 140 kW / 100 rpm
+ Torque: 95 to 18717 Nm
+ Rotation Speed: 3600 to 7500 rpm
+ Bore Size Range: 10 mm to 165 mm
+ Multiple Coupling Sizes: RLM 10 to RLM 2500
+ Coupling Length (L): 30 mm to 130 mm
+ Coupling Weight: 1.2 kg to 94.5 kg
> Notably, the Rathi-Ringfeder RLM can be dynamically balanced according to customer requirements.
Learn more about specifications: Rathi-Ringfeder REM Disc Couplings
| FOR ANY INQUIRIES OR QUOTATION REQUESTS, PLEASE CONTACT: SALES DEPARTMENT HOTLINE: (+84) 0906 955 057 – EMAIL: INFO@DHP-CORP.COM.VN |
3. Applications of Rathi-Ringfeder Disc Couplings RLM
Rathi-Ringfeder disc couplings RLM are particularly suitable for the petrochemical, fertilizer, and heavy industrial applications.
– The product is commonly used in equipment such as pumps, air compressors, industrial fans, turbines, and high-power drive systems.
– Rathi-Ringfeder RLM can be supplied in a floating shaft version or for cooling tower applications.
4. Technical specifications of Rathi-Ringfeder Disc Couplings RLM
| Catalogue Rathi-Ringfeder Disc Couplings RLM |
Installation Instruction Rathi-Ringfeder Disc Couplings RLM |

| Coupling Size | Torque Nm | Max Speed RPM | Dimensions [mm] | Weight Kg Min DBSE | Weight Kg Extra S | |||
| Bore Min ØD1 & ØD2 | Bore Max ØD1 Type I | Bore Max ØD2 Type II | L | |||||
| RLM 10 | 95 | 7500 | 10 | 22 | 25 | 30 | 1.2 | 1.2 |
| RLM 35 | 229 | 7000 | 12 | 30 | 38 | 40 | 2 | 2.6 |
| RLM 95 | 621 | 6000 | 17 | 40 | 50 | 45 | 3.8 | 6.9 |
| RLM 170 | 1203 | 5200 | 17 | 52 | 70 | 55 | 7 | 6.3 |
| RLM 220 | 1910 | 4800 | 22 | 65 | 80 | 60 | 9.8 | 9 |
| RLM 400 | 3466 | 4400 | 27 | 80 | 100 | 70 | 16.8 | 13.3 |
| RLM 520 | 5586 | 4200 | 32 | 90 | 115 | 90 | 26.5 | 12.5 |
| RLM 1000 | 7086 | 4000 | 42 | 105 | 130 | 95 | 35.4 | 25.3 |
| RLM 1300 | 10380 | 3800 | 47 | 115 | 140 | 105 | 53.8 | 25 |
| RLM 2000 | 14534 | 3700 | 52 | 120 | 155 | 115 | 72.7 | 26.7 |
| RLM 2500 | 18717 | 3600 | 62 | 135 | 165 | 130 | 94.5 | 36.6 |
5. Why choose Dai Hong Phat Corp?
– 100% genuine products imported directly from Rathi-Ringfeder India.
– Protect customers from counterfeit goods and always provide full CO/CQ documents.
– Goods in stock, fast delivery nationwide 24/7.
– Free technical consultation and support for drawings, catalogs.
– Refined processing workshop to meet individual requirements.
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– Hotline: +84906.955.057 | – Email: info@dhp-corp.com.vn
– Website: https://en.daihongphat.asia/ – https://khopnoitruc.com/ – https://ringfeder.com.vn/






