Cherne® Single-Size Big-Mouth®, 21 IN. , Large Bypass
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.
Part #: 369218
- 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
|Deflated Length:||20 in. (508 mm)|
|Bypass Diameter:||18 in. OD|
|Deflated Diameter:||19.13 in. (486 mm)|
|Nominal Size:||21 in. (525 mm)|
|Usage Range:||20.01 in. - 21.81 in. (508 - 554 mm)|
|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|
|Inflation Thread:||1/4 in. (1)|
|Chain Eye Bolts:||3/8 in. (1)|
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.