- Bell joint is covered liberally with lubricant.
- The gasket is covered liberally with lubricant.
- The gasket is stretched and placed into the groove .
- The gasket is equalized around entire circumference of spigot.
- Bell and spigot are honed creating a watertight seal.
Press-Seal O-Ring concrete pipe gasket for concrete pipe utilizing a confined groove. The straightforward design fits perfectly with the necessary joint for a perfect fit every time.
| Physical Requirements for Elastomeric Seals for Concrete PipeMeeting ASTM C1619 CLASS A, ASTM C361 and ASTM C443 | ||
| Tests | Limits | Units |
| Tensile Strength, minimum | 1200 | psi |
| Elongation, minimum | 350 | % |
| Hardness, Type A durometer | 30 to 70 | durometer |
| Low-Temperature Hardness, max. increase | 15 | durometer |
| Compression Set, maximum | 25 | % |
| Ozone Resistance | no cracks | |
| Accelerated Aging: | ||
| Tensile Strength, max. decrease | 15 | % |
| Elongation, max. decrease | 20 | % |
| Hardness, max. decrease | 8 | durometer |
| After Water Immersion: | ||
| Volume, max. increase | 5 | % |
Office 301,261 Yuanhe Road,Xiangcheng District,Suzhou,Jiangsu,China
215131
Tel: (86)139 1458 5556
Email: Jimmy@willmore.top
