1200psi High Pressure Ductile Iron V-Ictaulic NSF Grooved Flexible Coupling for RO System

The Model 707 is specially designed for grooved high pressure piping systems,mainly used in fire piping system, marine piping system,etc.

Sizes-Inches& Rated working pressure:
3/4″ to 6″(DN20 to DN150)  1200psi(82bar)
8″ to 12″ (DN200 to DN300)  800psi(55.12bar)
Cut groove only

MODEL 707 MATERIAL SPECIFICATIONS

Housings:
Ductile Iron to ASTM A536

Surface Finish:
Optional, can also be customized according to customers' requirements.

Hot dip zinc galvanized
Epoxy power      
Dacromet
TRFLOW(PTFE)      
RilsanPA11

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

Bolts & Nuts:
Round-head, ellipsoid-neck, carriage bolts, type carbon iron covered with zinc or dacromet.