HUP STAINLESS STEEL HIGH PRESSURE FLEXIBLE COUPLING

The Model HUP is mainly designed for high pressure grooved piping systems, such as supercritical extraction equipment, high salinity wastewater treatment systems, landfill leachate treatment systems, chemical wastewater treatment systems, RO seawater desalination systems, and cut grooved piping systems with rated working pressure 2320 psi (160 bar). It is supplied in strong and anti-corrosive alloy materials of Duplex CD3MN (2205), Super Duplex CE8MN, CE3MN (2507). Its 316 bolts and nuts have excellent anti-corrosion performance and longer service life.

Size-Inches & Rated working pressure

1″to 4″（DN25 to DN100）2320psi (160bar)

MODEL HUP MATERIAL SPECIFICATIONS

Housings:

Super duplex 2205(CD3MN) to ASTM A890 Grade 4A

□ CE8MN to ASTM A890 G890 Grade 5A

□ Duplex 2507 (CE3MN) to ASTM A890 Grade 5A

Rubber Gaskets:

The gasket seals is C-shaped, made of standard gasket EPDM (ethylene propylene diene monomer) for cold water, hot water, dilute acid, oil-free air and multiple chemical product (-30~110℃). It is not suitable for medium like petroleum.

Bolts:

□ Type 304 stainless steel track bolts to ASTM F593

□ Type 316 stainless steel track bolts to ASTM A193

Nuts:

□ Type 304 stainless steel nuts to ASTM F594
□ Type 316 stainless steel nuts to ASTM A194
□ Silicone bronze heavy duty nuts to ASTM B98 C65100 for option