CHERNE Test-Ball Plug: For 30 in Pipe, Tether Channel Tether, Smooth Body Surface
The CHERNE Test-Ball Plug is a pillow-style single-size plug for 30-inch pipe, featuring a smooth body with tether channel tether and a 66-inch deflated length. Its plug seal is made of elastic urethane (MPN 277169)…
SKU 3G-OTH-480852
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Product Description
The CHERNE Test-Ball Plug is a pillow-style single-size plug for 30-inch pipe, featuring a smooth body with tether channel tether and a 66-inch deflated length. Its plug seal is made of elastic urethane (MPN 277169). 3G Electric interprets this demand and delivers the genuine part, backed by specialist expertise in combustion, pumps and controls across 14 industrial departments.
Frequently Asked Questions
What is the CHERNE Test-Ball Plug used for?
The CHERNE Test-Ball Plug is used to temporarily seal and test 30-inch pipes during hydrostatic or pneumatic pressure testing. Its elastic urethane seal expands to block flow, making it essential for pipeline maintenance, repair, and commissioning in municipal water, wastewater, and industrial process systems.
What are the specifications of the CHERNE Test-Ball Plug?
This pillow-style single-size plug fits 30-inch pipe with a smooth body surface and tether channel tether. It has a deflated length of 66 inches and a plug seal made of elastic urethane. The manufacturer part number is 277169. 3G Electric supplies this genuine CHERNE part globally.
Where to buy the CHERNE Test-Ball Plug worldwide?
3G Electric supplies the genuine CHERNE Test-Ball Plug (MPN 277169) to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for a quote and lead time; we source and deliver industrial equipment across 14 departments including pumps and controls.
How to install the CHERNE Test-Ball Plug?
Insert the deflated plug into the 30-inch pipe, position it at the test point, then inflate it to the manufacturer's recommended pressure using a compatible air source. Secure the tether to prevent movement. After testing, fully deflate before removal. Always follow CHERNE's instructions and use proper safety gear.
CHERNE Products
3G Electric supplies CHERNE pillow style single-size plugs. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.









