< Bypass Plugs

Cherne® Original Big-Mouth®

Cherne® Big Mouth® Plugs are a great tool for gravity bypassing or bypass pumping and feature an interchangeable bypass flange, allowing the same plug to be used for multiple applications.

Available in 3 variations

Key Features & Benefits

• Large male NPT threaded bypass
• Equipped with removable 3/8 in. eye bolt for lifting and lowering with a poly-lift line
• Lightweight aluminum bypass
• Removeable tank valve

Specifications

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

More Specifications

Technical Resources (2)

• FAQ
• Safety & Instruction Manual

More Downloads

Available in 3 variations

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.

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