A "test ball" doesn't have one single meaning; it depends on the context. The term refers to different objects used for testing in various fields.
1. Cricket Test Ball
The SG Test Cricket Ball is a high-quality, four-piece cricket ball made from premium alum-tanned leather. It's considered the superior conventional cricket ball in its range.
- Material: Superior quality alum-tanned leather.
- Construction: Four-piece construction.
- Use: Used in professional cricket matches.
2. Plumbing Test Balls
Plumbing test balls are used to block flow in pipes, allowing for maintenance or pressure testing of drain, vent, and waste systems. These come in various sizes and materials:
- Cherne® Single-Size Plumbing Test-Balls®: Expandable rubber plugs designed for testing drain, vent, and waste systems in different pipe types. They can withstand pressures up to 13 psi or 30 ft of head pressure.
- Cherne® Single-Size Underground Test-Ball® Plugs: Designed for blocking flow in sanitary and storm sewer systems during maintenance.
- Pneumatic Test Balls: Used in residential DWV systems and can be reusable.
- 2-piece economical plugs: Made of durable natural rubber and molded plastic, these are rust-proof and reusable, testing up to 50 feet of head pressure.
3. Golf Test Balls
In the golf world, "test ball" refers to prototype or experimental golf balls used by manufacturers like Titleist for testing purposes. These balls might have different constructions or materials compared to commercially available golf balls. They are not typically available for sale to the public.
- Titleist "TEST" Ball: These are experimental golf balls found occasionally by golfers. Their exact specifications usually remain undisclosed.
In summary, the meaning of "test ball" is highly context-dependent. It can refer to a high-quality cricket ball, a plumbing device for testing pipe systems, or a prototype golf ball used in development.
