EC Explosionproof Couplings

Certifications and compliances

NEC

• 1/2” and 3/4” (brass and stainless): Class I, Division 1, Groups A, B, C, D
• 1” to 2” (brass and stainless): Class I, Division 1, Groups C, D
• All sizes for use in Class II, Division 1, Groups E, F, G; Class III

UL standard

• UL1203
• Lengths up to 36” – UL Listed
• Lengths above 36” – not UL Listed

ATEX and IECEx – ECGJH S516 only

• 1/2” and 3/4” (4” to 36” flexible length only) – Ex d IIC, IP66
• 1” to 2” (4” to 36” flexible length only) – Ex d IIB, IP66

• Rugged design to withstand explosive pressure (Class I) and mechanical abuse
• Liquidtight for wet locations
• For use where lack of space makes use of rigid conduit difficult
• Wire duct liner in sizes 1/2” to 2” insulates against grounds and burn through from short circuit
• No bonding jumpers required; metallic braid provides continuous electrical path
• ECGJH combination has two threaded male end fittings
• ECLK combination has one female union and one male threaded end fitting

• End fittings – 1/2” to 2”: forged brass, natural; 2-1/2” to 4”: stainless steel, natural
• Female unions – 1/2” to 1”: steel, electrogalvanized with chromate treatment; 1-1/4” to 4”: Feraloy iron alloy, electrogalvanized with aluminum acrylic paint
• 1/2” to 2” couplings have bronze braid covering and flexible brass inner core; packing is woven cotton braid impregnated with asphalt
• 2-1/2” to 4” couplings have a Type 304 stainless steel braid
• ECGJH couplings available in all stainless steel
• Flexible PVC protective coating available for highly corrosive locations