707 DUCTILE IRON COUPLING

 707 DUCTILE IRONHIGH PRESSURE FLEXIBLE  COUPLING  The Model 707 is designed for connection of grooved high pressure pipe systems. Sizes-Inches& Rated working pressur

 

707 DUCTILE IRON

HIGH PRESSURE

FLEXIBLE  COUPLING

 Couplings

 

The Model 707 is designed for connection of grooved high pressure pipe systems.

 

Sizes-Inches& Rated working pressure

3/4″ to 6″(DN20 to DN150)  1000psi(68.9bar)

8″ to 12″ (DN200 to DN300)  800psi(55.12bar)

Cut groove only

 

MODEL 707 MATERIAL SPECIFICATIONS

Housings:

Ductile Iron to ASTM A536

Surface Finish:

(Antirust paint red or blue)

Hot dip zinc galvanized        Epoxy power      Dacromet       TRFLOWPTFE)      RilsanPA11

 

 

Rubber Gaskets:

The gasket seals is C-shaped, made of standard gasket EPDM(ethylene propylene diene monomer) for

cold water, hot water, rare acid, oil-free air and multiple chemical product (-50~150).It is not suitable

for medium like petroleum.

 

Bolts & Nuts:

Round-head, elliptoid-neck, carriage bolts, type carbon iron covered with zinc or dacromet.

 

Couplings

 

Couplings