OPVC pipe extrusion machine with belling machine socket machine

BEIER GROUP is founded in 1998, We are the leading brand of plastic machinery manufacturer in China.
BEIER GROUP have 4 main business sections:
Plastic recycling& washing line
Plastic extrusion
Email: [e-mail]
WhatsApp: [phone]

[@KaushlendraSingh-ql2ij]

How much heating required to preheat the pipe for socket (belling) for both zone