Grounding Plunger

The OPW Grounding Plunger replaces the use of external bonding straps/cables. The innovative spring-loaded, cable-free OPW Grounding Plunger ensures constant contact during production. The new design allows the swivel to rotate 360-degrees without pulling off the bonding straps or cables.

Features & Benefits

Helps ensure continuity throughout the loading arm
Eliminates the need for bonding jumpers
Can be supplied on new 3000/8000 series swivels or retrofitted onto existing
Aligns with NFPA77 conformance standards
Patented technology

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Grounding Plunger

Technical

Swivel Series	Size	Greaseless	Internal Grounding Plunger Item
3400, 3900	2" - 6"	No	SWV-GP-3400-3900
3400, 3900	2" - 6"	Yes	SWV-GP-3400-3900-GL
3600, 3800	2" - 6"	No	SWV-GP-3600-3800
3600, 3800	2" - 6"	Yes	SWV-GP-3600-3800-GL
8200, 8400, 8700, 8900	2" - 6"	No	SWV-GP-DSF

Additional references: NFPA77 – "Recommended Practice on Static Electricity".

"Where the bonding/grounding systems is all metal, resistance in continuous ground paths typically is less than 10 ohms. Such systems include those having multiple components.
Greater resistance usually indicates that the metal path is not continuous, usually because of loose connections or corrosion". NFPA77, 7.4.1.3.1

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Grounding Plunger

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