J-FLOW tensile restrained coupling & flange adaptor,are tensile resistant fittings for HDPE pipes,it contains an end load resistant mechanism, that grips and seals onto HDPE pipes to prevent the pipe pull off from the pipe system. it's suitable for used with water, drainage,sewage...pipe systems,and the maximum working temperature is 80c

meterial and relevant standards:  

coupling                     flange adaptor  

centre sleeve & end rings / flanged adaptor body & end rings  

ductile iron to BS EN-GJS-500-7,EN-GJS-450-10  

rolled steel to EN ST/37.2  

end rings  

ductile iron to BS EN-GJS-500-7,EN-GJS-450-10  

bolts/nuts/washers  

cold forged steel to  ISO 898-1 CLASS6.8,dacromet coated.  

other material available for request  

sealing ring:  

EPDM to BS EN 681-1+brass teeth  

coatings  

RAL5017 FBE coated  

others available on request