Cherne® Single-Size Big-Mouth®

Cherne® Original Big Mouth Flow-Through Plugs are the ideal solution for gravity bypassing or bypass pumping. Their removable tire valve allows for easy replacement, with optional quick disconnect.

Available in 8 variations

Key Features & Benefits

Allows for largest bypass by pipe diameter
6 in., 8 in., 10 in. sizes have threaded bypass
12 in., 15 in., 18 in., 21 in., 24 in. have straight tube bypass

Specifications

Brand:	Cherne
Maximum Back Pressure:	11 psi (0,76 bar)/25 ft. (7.6 M)
Inflation Pressure:	30 psi (2,1 bar)
Product Type:	Single-Size Big Mouth
Color:	Black
Inflation Thread:	1/4 in. (1)
Chain Eye Bolts:	3/8 in. (1)

Plug Type:	Bypass

More Specifications

Technical Resources (2)

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Frequently Asked Questions

What is the shelf life for Cherne pneumatic plugs?

Cherne offers a 2 year warranty on all pneumatic plugs from date of manufacture, (plugs are post-dated by six months to allow for shelf time). If kept in controlled conditions (not exposed to sunlight and kept at temperatures between 0-125 degrees F) the pneumatic plugs remain in good condition for a longer period of time. Plugs should always be inspected for visual damage prior to every use.

What type of rubber is a Cherne pneumatic plugs made from?

All of Cherne’s pneumatic pipe plugs are made from natural rubber. The only exception is our yellow pillow plugs which are made from a polyurethane impregnated fabric.

How often should a pneumatic plug pressure be checked?

Inflation pressure should be checked a minimum of once every 4 hours while a pneumatic plug is in use.