Let’s learn about TB Wood’s Elastomer Rings Sure-Flex with Dai Hong Phat, through the following article!
1. About Dai Hong Phat Corp – TB Wood UK
– Dai Hong Phat Corp is the official authorized representative of TB Wood’s USA in Vietnam. We provide genuine drive shaft coupling solutions, meeting international standards, helping to optimize the performance and durability of machinery systems.
– TB Wood’s was founded in 1857, initially manufacturing wood-burning stoves, then switching to flat belt drives and drive shafts in the early 20th century. In the 1950s–1990s, the company developed V-belts, Sure-Flex®, Form-Flex® and Dura-Flex® couplings, expanding its electromechanical transmission systems. Today, TB Wood’s is globally renowned for its industrial couplings, belt drives, iron castings and high-quality OEM services.
– TB Wood’s Elastomer Rings Sure-Flex products supplied by Dai Hong Phat are 100% genuine imported, with full CO/CQ, meeting international quality standards.
2. Characteristics of Sure-Flex Plus Elastomeric Rings:
– Manufacturer: TB Woods/USA
– TB Wood’s Elastomer Rings Sure-Flex are available in a variety of materials:
+ EPDM (E) or Neoprene (N): for JE and E (Sleeves) series.
+ Hytrel (H): for Type H series, suitable for high load applications.
– Flexible design:
+ Type JE: one-piece monolithic form
+ Type E: 2-piece design, with retaining ring, easy to disassemble.
+ Type H: monolithic structure, only used with S, C, SC flanges.
– High compatibility: Can be used with any flange in the same size (except Type H which has its own limitations).
– Working temperature:
+ EPDM: -34 °C to +135 °C
+ Neoprene: -18 °C to +93 °C
+ Hytrel: -54 °C to +121 °C
– Outstanding advantages: Type H (Hytrel) gaskets transmit high torque, 4 times higher than equivalent EPDM or Neoprene sleeves.

View product details “Sure-Flex Plus Flexible Couplings“
| FOR ANY INQUIRIES OR QUOTATION REQUESTS, PLEASE CONTACT: SALES DEPARTMENT HOTLINE: (+84) 0906 955 057 – EMAIL: INFO@DHP-CORP.COM.VN |
3. Application of Sure-Flex Plus Elastomeric Rings:
TB Woods Sure-Flex Elastomer Rings are an excellent choice due to their low cost, high flexibility, low vibration, and easy, quick installation. They can effectively operate in various industrial sectors such as power generation and material handling. These couplings are ideal for many applications, including pumps, fans, compressors, mixers, electric motors, conveyors, and more.
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4. Technical of TB Woods Sure-Flex Elastomer Rings:
| Catalogue TB Wood Sure-Flex Elastomer Rings |
Installation TB Wood Sure-Flex Elastomer Rings |
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| Coupling Size | JE, JES, JN & JNS Sleeves EPDM & Neoprene |
E and N Sleeves EPDM & Neoprene |
H & HS Sleeves Hytrel |
||||||
| D | W | Weight (lbs.) |
D | W | Weight (lbs.) |
D | W | Weight (lbs.) |
|
| 3 | 48 | 25 | 0.03 | … | … | … | … | … | … |
| 4 | 59 | 32 | 0.05 | 59 | 32 | 0.05 | … | … | … |
| 5 | 75 | 40 | 0.09 | 75 | 40 | 0.11 | … | … | … |
| 6 | 95 | 48 | 0.18 | 95 | 48 | 0.22 | 95 | 47 | 0.2 |
| 7 | 110 | 55 | 0.28 | 110 | 55 | 0.35 | 110 | 55 | 0.31 |
| 8 | 129 | 64 | 0.51 | 129 | 64 | 0.64 | 129 | 64 | 0.64 |
| 9* | 152 | 76 | 0.66 | 152 | 76 | 0.95 | 152 | 76 | 0.82 |
| 10* | 179 | 87 | 1 | 179 | 87 | 1.4 | 179 | 87 | 1.3 |
| 11 | … | … | … | 208 | 102 | 2.3 | 208 | 102 | 2 |
| 12 | … | … | … | 243 | 119 | 3.7 | 243 | 119 | 3.3 |
| 13 | … | … | … | 284 | 138 | 5.9 | 284 | 138 | 5.4 |
| 14 | … | … | … | 333 | 165 | 9.6 | 333 | 165 | 19 |
| 16 | … | … | … | 455 | 222 | 21 | … | … | … |
| Size | EPDM Sleeve |
Neoprene Sleeve |
KW @ RPM | Torque | Stiffness | Max RPM | |||
| 100 | 970 | 1450 | 3000 | Nm | Nm/rad | ||||
| 3 | JE,JES | JN,JNS | 0.09 | 0.9 | 1.3 | 2.8 | 8.8 | 26 | 9200 |
| 4 | E,JE,JES | N,JN,JNS | 0.18 | 1.8 | 2.7 | 5.5 | 18 | 52 | 7600 |
| 5 | E,JE,JES | N,JN,JNS | 0.37 | 3.6 | 5.4 | 11 | 35 | 104 | 7600 |
| 6 | E,JE,JES | N,JN,JNS | 0.69 | 6.7 | 10 | 21 | 66 | 194 | 6000 |
| 7 | E,JE,JES | N,JN,JNS | 1.1 | 11 | 16 | 33 | 107 | 313 | 5250 |
| 8 | E,JE,JES | N,JN,JNS | 1.8 | 17 | 25 | 52 | 167 | 490 | 4500 |
| 9 | E,JE,JES | N | 2.8 | 27 | 40 | 83 | 264 | 777 | 3750 |
| 10 | E,JE,JES | N | 4.4 | 43 | 64 | 133 | 422 | 1241 | 3600 |
| 11 | E | N | 7 | 68 | 101 | 209 | 666 | 1955 | 3600 |
| 12 | E | N | 11 | 107 | 161 | 332 | 1058 | 3107 | 2800 |
| 13 | E | N | 17 | 169 | 253 | 524 | 1667 | 4898 | 2400 |
| 14 | E | N | 28 | 269 | 402 | 831 | 2644 | 7768 | 2200 |
| 16 | E | – | 56 | 542 | 811 | 1677 | 5338 | 20392 | 1500 |
| Size | Hytrel Sleeve |
KW @ RPM | Torque | Stiffness | Max RPM | |||
| 100 | 970 | 1450 | 3000 | Nm | Nm/rad | |||
| 6 | H, HS | 2.1 | 21 | 31 | 64 | 203 | 1130 | 6000 |
| 7 | H, HS | 3.4 | 33 | 49 | 102 | 325 | 2260 | 5250 |
| 8 | H, HS | 5.4 | 52 | 78 | 161 | 512 | 3390 | 4500 |
| 9 | H, HS | 8.5 | 83 | 124 | 256 | 814 | 5367 | 3750 |
| 10 | H, HS | 13 | 130 | 195 | 403 | 1282 | 11299* | 3600 |
| 11 | H, HS | 21 | 207 | 309 | 639 | 2034 | 14123* | 3600 |
| 12 | H, HS | 37 | 362 | 540 | 1118 | 3559 | 25422* | 2800 |
| 13 | HS | 56 | 542 | 811 | 1678 | 5341 | 41680 | 2400 |
| 14 | HS | 86 | 832 | 1243 | 2573 | 8189 | 67028 | 2200 |
5. Why choose Dai Hong Phat Corp?
100% genuine products imported directly from TB Wood’s USA.
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 TECHNICAL PRODUCTION TRADING SERVICES CO., LTD
– Ho Chi Minh City Office: 22 Street 11, Khang Dien Residential Area, Duong Dinh Hoi Street, Phuoc Long Ward, City. HCM
– 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: 0906.955.057 | – Email: info@dhp-corp.com.vn
– Website: https://en.daihongphat.asia/ – https://khopnoitruc.com/ – https://ringfeder.com.vn/


