This Allegro 9510-50 Manhole Ventilation Pass Thru by Allegro was designed to maintain and re-direct air flow with minimal restriction into the manholes, sewers or tanks. Made of LLDPE and is recyclable. We offer a wide range of Confined Space equipment to make your job site safe.
Manhole Ventilation Passthru -MVP - Manhole
Allegro's MVP is 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 down into the manhole with a quick release of the drawstring. The Collapsible duct springs back into shape once worker is down into the manhole. The ducting is vinyl and polyester with PVC coating and heat resistant up to 180° F. 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.
Linear Low Density Polyethylene (LLDPE)
Vinyl and polyester with PVC coating
Compressible inner support coils
Heat resistance up to 180°F (88.2°C)
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
Free Shipping on Orders of Allegro Equipment over $2500!