Product Details | Easyflex Product Catalog
Introducing Easyflex Super Shielded no hub couplings, designed for the most demanding jobs. These enhanced couplings feature an increased torque rating of 80 in/lbs and 3/8″ HEX heads. It also includes a clamp, screws, and shield made entirely of stainless steel for maximum reliability and resistance to corrosion. Depending on the size, they are available with either 4 or 6 bands, providing a super tight seal. Sizes ranging from 1½” – 10″ are available to satisfy any type of application.
Part # | Description | Qty/Box |
EF-NHC-200SS | 2″ Super Shielded No Hub Coupling, 4 Bands, 3/8″ HEX-Head | 75 |
EF-NHC-300SS | 3″ Super Shielded No Hub Coupling, 4 Bands, 3/8″ HEX-Head | 48 |
EF-NHC-400SS | 4″ Super Shielded No Hub Coupling, 4 Bands, 3/8″ HEX-Head | 48 |
EF-NHC-500SS | 5″ Super Shielded No Hub Coupling, 6 Bands, 3/8″ HEX-Head | 15 |
EF-NHC-600SS | 6″ Super Shielded No Hub Coupling, 6 Bands, 3/8″ HEX-Head | 15 |
EF-NHC-800SS | 8″ Super Shielded No Hub Coupling, 6 Bands, 3/8″ HEX-Head | 15 |
EF-NHC-1000SS | 10″ Super Shielded No Hub Coupling, 6 Bands, 3/8″ HEX-Head | 10 |
Clamp | Stainless Steel 301 | ||||
Housing | Stainless Steel 301 | ||||
Screw | Stainless Steel 305 | ||||
Shield | Stainless Steel 301 | ||||
Gasket | Elastomeric compound conforming to ASTM C564 |
Installation Torque | 80 in/lbs |
Test | Physical Tests – Minimum or Maximum Requirements | ASTM | |||||||
Tensile Strength | 1500 psi minimum | D412 | |||||||
Elongation | 250 minimum | D412 | |||||||
Durometer | 70 ± 5 @ 76°F ± 5°F | D2240 | |||||||
Accelerated Aging | 15% maximum tensile and 20% maximum elongation deterioration, 10 points maximum increase in hardness, all determinations after oven aging for 96 hours at 158°F | D573 | |||||||
Compression Set | 25% maximum after 22 hours @ 158°F | D395 | |||||||
Oil Immersion | 80% maximum volume change after immersion in IRM 903 for 70 hours @ 212°F | D471 | |||||||
Ozone Cracking | No visible cracking @ 2 times magnification of the gasket after 100 hours exposure in 1.5 ppm ozone concentration at 100°F. Testing and inspection to be on gasket which is loop mounted to give approximately 20% elongation of outer surface | D1149 | |||||||
Tear Resistance | 150 lbs minimum per inch of thickness | D624 | |||||||
Water Absorption | 20% maximum by weight after 7 days at 158°F | D471 |
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