$ 747.14

ENVÍO GRATUITO

GARANTÍA DE DEVOLUCIÓN DEL 100% DEL DINERO

ASISTENCIA EN LÍNEA
24 HORAS AL DÍA, 7 DÍAS A LA SEMANA

Availability: Out Of Stock
Estimated delivery: June 8 – June 10
Sku: 311128

The Cherne I-Series Muni-Ball 6"-12" with 1" Bypass (part #311-128) is a premium multi-size pneumatic bypass plug for 6" through 12" sewer pipe. The 1" bypass provides controlled flow during testing. Rated for 15 PSI at 45 PSI inflation. At 11.0 lbs and ~25" deflated, it covers the full range of standard municipal sewer mains. Premium natural rubber with aluminum end plates and full body cording.

Key Features

  • I-Series premium construction — natural rubber bonded to aluminum end plates
  • 1" bypass — controlled flow-through during testing
  • 15 PSI rated — for sewer air pressure testing
  • Pneumatic inflation — natural rubber seals round and out-of-round pipe

Technical Specifications

Cherne Part Number 311-128
Pipe Size Range 6"-12"
Usage Range (Pipe ID) 5.50–12.25"
Bypass Size 1"
Max Back Pressure 15 PSI
Inflation Pressure 45 PSI
Body Material Natural rubber, aluminum end plates
Deflated Length ~25"
Peso 11.0 lbs

Aplicaciones

Municipal sewer air pressure testing, storm drain isolation, large-diameter pipe testing during construction and repair, and compliance testing on trunk mains. Always follow Cherne inflation and back-pressure guidelines.

Questions on sizing or bulk pricing? Call (866) 514-3684 or email us — same-day shipping on in-stock items, tax-exempt purchasing for qualified accounts.

We ship UPS and the tracking number will be emailed. As always, feel free to call 866-514-3684 or email sales@envirodesignproducts.com for any questions.