Applications
- Used in hazardous areas where a flexible connection is needed for:
- Difficult bends
- Movement or vibration in connected equipment
Key Features
- Explosionproof & Rugged Design – Withstands high pressures and mechanical abuse.
- Liquidtight – Suitable for wet locations.
- No Bonding Jumpers Required – Metallic braid ensures a continuous electrical path.
- Wire Duct Liner (1/2” to 2”) – Prevents grounding faults and short circuit burn-through.
Certifications & Compliance
- NEC Certified:
- 1/2” & 3/4”: Class I, Division 1, Groups A, B, C, D.
- 1” to 2”: Class I, Division 1, Groups C, D.
- All sizes: Class II, Division 1, Groups E, F, G; Class III.
- UL1203 Listed for lengths up to 36”.
- ATEX & IECEx (ECGJH S516 only):
- 1/2” & 3/4” (4” to 36” length) – Ex d IIC, IP66.
- 1” to 2” (4” to 36” length) – Ex d IIB, IP66.
Materials & Construction
- 1/2” to 2”:
- End fittings: Forged brass.
- Inner core: Flexible brass with bronze braid covering.
- Packing: Woven cotton braid impregnated with asphalt.
- 2-1/2” to 4”:
- End fittings: Stainless steel (304).
- Braid covering: Stainless steel.
Description
Applications
- Used in hazardous areas where a flexible connection is needed for:
- Difficult bends
- Movement or vibration in connected equipment
Key Features
- Explosionproof & Rugged Design – Withstands high pressures and mechanical abuse.
- Liquidtight – Suitable for wet locations.
- No Bonding Jumpers Required – Metallic braid ensures a continuous electrical path.
- Wire Duct Liner (1/2” to 2”) – Prevents grounding faults and short circuit burn-through.
Certifications & Compliance
- NEC Certified:
- 1/2” & 3/4”: Class I, Division 1, Groups A, B, C, D.
- 1” to 2”: Class I, Division 1, Groups C, D.
- All sizes: Class II, Division 1, Groups E, F, G; Class III.
- UL1203 Listed for lengths up to 36”.
- ATEX & IECEx (ECGJH S516 only):
- 1/2” & 3/4” (4” to 36” length) – Ex d IIC, IP66.
- 1” to 2” (4” to 36” length) – Ex d IIB, IP66.
Materials & Construction
- 1/2” to 2”:
- End fittings: Forged brass.
- Inner core: Flexible brass with bronze braid covering.
- Packing: Woven cotton braid impregnated with asphalt.
- 2-1/2” to 4”:
- End fittings: Stainless steel (304).
- Braid covering: Stainless steel.
Ordering Information
ECGJH Couplings (Male Threaded Ends)
| Flexible Length (in.) | Hub Size | Catalog # |
|---|---|---|
| 4 | 1/2” | ECGJH14 |
| 4 | 3/4” | ECGJH24 |
| 6 | 1/2” | ECGJH16 |
| 6 | 3/4” | ECGJH26 |
| 6 | 1” | ECGJH36 |
| 8 | 1/2” | ECGJH18 |
| 8 | 3/4” | ECGJH28 |
| 8 | 1” | ECGJH38 |
| 10 | 1/2” | ECGJH110 |
| 10 | 3/4” | ECGJH210 |
| 10 | 1” | ECGJH310 |
| 12 | 1/2” | ECGJH112 |
| 12 | 3/4” | ECGJH212 |
| 12 | 1” | ECGJH312 |
| 12 | 1-1/4” | ECGJH412 |
| 12 | 1-1/2” | ECGJH512 |
| 12 | 2” | ECGJH612 |
| 15 | 1/2” | ECGJH115 |
| 15 | 3/4” | ECGJH215 |
| 15 | 1” | ECGJH315 |
| 15 | 1-1/4” | ECGJH415 |
| 15 | 1-1/2” | ECGJH515 |
| 15 | 2” | ECGJH615 |
| 18 | 1/2” | ECGJH118 |
| 18 | 3/4” | ECGJH218 |
| 18 | 1” | ECGJH318 |
| 18 | 1-1/4” | ECGJH418 |
| 18 | 1-1/2” | ECGJH518 |
| 18 | 2” | ECGJH618 |
| 27 | 2-1/2” | ECGJH727 |
| 27 | 3” | ECGJH827 |
| 27 | 4” | ECGJH1027 |
ECLK Couplings (One Male, One Female Union)
| Flexible Length (in.) | Hub Size | Catalog # |
| 4 | 1/2” | ECLK14 |
| 4 | 3/4” | ECLK24 |
| 6 | 1/2” | ECLK16 |
| 6 | 3/4” | ECLK26 |
| 6 | 1” | ECLK36 |
| 8 | 1/2” | ECLK18 |
| 8 | 3/4” | ECLK28 |
| 8 | 1” | ECLK38 |
| 10 | 1/2” | ECLK110 |
| 10 | 3/4” | ECLK210 |
| 10 | 1” | ECLK310 |
| 12 | 1/2” | ECLK112 |
| 12 | 3/4” | ECLK212 |
| 12 | 1” | ECLK312 |
| 12 | 1-1/4” | ECLK412 |
| 12 | 1-1/2” | ECLK512 |
| 12 | 2” | ECLK612 |
| 15 | 1/2” | ECLK115 |
| 15 | 3/4” | ECLK215 |
| 15 | 1” | ECLK315 |
| 15 | 1-1/4” | ECLK415 |
| 15 | 1-1/2” | ECLK515 |
| 15 | 2” | ECLK615 |
| 18 | 1/2” | ECLK118 |
| 18 | 3/4” | ECLK218 |
| 18 | 1” | ECLK318 |
| 18 | 1-1/4” | ECLK418 |
| 18 | 1-1/2” | ECLK518 |
| 18 | 2” | ECLK618 |
| 27 | 2-1/2” | ECLK727 |
| 27 | 3” | ECLK827 |
| 27 | 4” | ECLK1027 |
Custom Lengths & Options
- All Stainless Steel Construction (Suffix: S516 – Available for ECGJH only).
- Flexible PVC Protective Coating (Suffix: S758 – For corrosive environments).
- Special Lengths Available (up to 144 inches). To order, change the last two digits in the catalog number to the desired length in whole inches (e.g., ECGJH2110 for a 3/4” hub, 110-inch length).
Conclusion
The Crouse-Hinds EC Explosionproof Couplings offer reliable, flexible, and explosionproof connections for hazardous environments. Available in multiple lengths and hub sizes, they provide durability and compliance with NEC, UL, ATEX, and IECEx standards.
For additional details or custom orders, contact your local supplier or visit Eaton’s official website.

