... -630MM 3.PE material, copper wier coil HDPE electro fusion couplingPE pipe fitting: 1.HDPE electrio coupler2. Used ... Copper wire coil5. Used: in PE pipe connection6. electro fusion Voltage: 39.5V7. Exposed heating pin, easy and well ... to fusion with PE pipe8. Working temperature:-20 degree Celsius9. ... for gas transfer, water disposal. HDPE electro fusion coupling