Product Description
Allegro 9510-50 8" Manhole Ventilation Passthru (MVP)
The first manhole system that combines the low profile manhole air vent, 90° elbow, and built-in mounting all in one unit. This unit comes with a collapsible duct, for easy entry, stored in a small storage bag that can be dropped into the manhole with a quick release of the drawstring. The Collapsible duct springs back into shape once the worker is down into the manhole. The ducting is vinyl and polyester with PVC coating, heat resistant up to 180° F, meets ASTM 227 specs, and is UL 94V-0 flame retardant. The manhole cover fits into a flat channel corner for stabilization. Compact, lightweight, and made from Linear Low-Density Polyethylene (LLDPE), this unit is easy to store and ships in one small carton. Recyclable.
Made in the USA
MATERIAL:
MVP
Linear Low-Density Polyethylene (LLDPE)
Recyclable
Bright yellow color
DUCTING
Vinyl and polyester with PVC coating
Compressible inner support coils
Heat resistant up to 180° F (88.2° C)
Meets ASTM 227 specs
UL 94V-0 Flame Retardant
FEATURES:
Low profile elbow fits underneath the lower cross bar of the guardrail
Manhole cover fits into flat channeled corners for stabilization
Small storage bag holds ducting
Quick release draw string to drop ducting into manhole
Collapsible duct for easy entry springs back into shape once worker is down into the manhole
Combines three components, the low-profile manhole air vent, 90° elbow and built-in mounting all
into one easy assembly
Reducing overall size, storage and shipping cost
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