Let’s learn about Rathi-Ringfeder Flexible Couplings type H/HR 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 Flexible Couplings type H/HR supplied by Dai Hong Phat are 100% genuine imports, with full CO/CQ, meeting international quality standards.
2. Features of Rathi-Ringfeder Flexible Couplings type H/HR
– Manufacturer brand: Rathi-Ringfeder/India.
– The Rathi-Ringfeder type H-HR coupling is a flexible coupling type. Its shock-absorbing rubber is in the form of a square-shaped solid piece, making it easy to disassemble and replace. It is made of S.G. Iron material.
| FOR ANY INQUIRIES OR QUOTATION REQUESTS, PLEASE CONTACT: SALES DEPARTMENT HOTLINE: (+84) 0906 955 057 – EMAIL: INFO@DHP-CORP.COM.VN |
3. Applications of Flexible Couplings type H/HR
Jaw flex couplings type H/HR used in pump systems within the chemical industry. It’s particularly suitable for piston pumps, diesel or gas engines, various power generator units, and other heavy-duty applications like these.

4. Technical of Flexible Couplings type H/HR
| Catalogue H/HR Series Jaw Flex Couplings |
Installation H/HR Series Jaw Flex Couplings |

| Coupling Size | BORE ØA | Outside Dia. ØA | Hub Dia. ØB | Overall Lenghth TL | Approx. weight in kg | ||
| Min. | Max. | Min. Bore | Max. Bore | ||||
| H-307 | 60 | 105 | 262 | 180 | 295 | 58 | 55 |
| H-357 | 60 | 115 | 288 | 197 | 314 | 73 | 67 |
| H-367 | 70 | 130 | 313 | 222 | 353 | 105 | 99 |
| Coupling Size | Type I Bore (ØD1) | Type I Bore (ØD2) | Outside Dia. ØA | Overall Lenghth TL | ||
| Min. | Max. | Min. | Max. | |||
| HR-307 | 30 | 80 | 60 | 105 | 266 | 253 |
| HR-357 | 35 | 85 | 60 | 115 | 292 | 281 |
| HR-367 | 40 | 100 | 70 | 130 | 317 | 306 |
| HR-407 | 50 | 120 | 85 | 155 | 349 | 341 |
| HR-457 | 60 | 140 | 85 | 185 | 400 | 364 |
| HR-509 | 70 | 145 | 90 | 190 | 412 | 383 |
| HR-609 | 85 | 170 | 100 | 225 | 461 | 442 |
| HR-709 | 90 | 190 | 100 | 265 | 524 | 497 |
| HR-809 | 100 | 215 | 120 | 295 | 592 | 561 |
| HR-911 | 100 | 265 | 170 | 340 | 661 | 646 |
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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With more than 15 years of experience, Dai Hong Phat Shaft Coupling is proud to be a trusted partner of hundreds of domestic and foreign enterprises.
Let us accompany your sustainable development!
DAI HONG PHAT ENGINEERING SERVICE TRADING MANUFACTURE COMPANY LIMITED
– Ho Chi Minh City Office: 22 Street 11, Khang Dien Residential Area, Duong Dinh Hoi Street, Phuoc Long Ward, Ho Chi Minh City.
– Hanoi Office: No. 14-15A, 7th Floor, Charmvit Building, No. 117 Tran Duy Hung, Thanh Xuan Ward, Hanoi City.
– Tel HCM: +84.28.22536631 – 22536632 – 66818587 | | Fax: 028.22536632
– Hotline: +84906.955.057 | – Email: info@dhp-corp.com.vn
– Website: https://en.daihongphat.asia/ – https://khopnoitruc.com/ – https://ringfeder.com.vn/









