Process improvement: common problems with a non-return valve

[@dwanderer2167]

Great!!!!!!...... So informative hope u will discuss various troubleshooting topics in future...👍👍👍👍

[@elivalderrama1]

Thanks! Hello maybe you can answear this question for me. what can cause the cure time from not stopping at its set point.?

[@Engelglobal]

Dear Eli Valderrama, not sure about your question, could you clarify it a bit?

[@ramphaluttam7171]

Good after noon sir..what is back pressure of 3/4 INCH NRV of steel

[@Engelglobal]

Dear Ramphal Uttam,
do you mean ¾ inch is the barrel diameter? In general it depends on material and screw design. Also mixing any additives into the material (colorant, uv stabilizer, plasticizers) makes a difference. Could you perhaps clarify your question a little?

[@govindraj4976]

Dear Sir,
Thank you, what is the purpose non - return valve? Please tell me.

[@Engelglobal]

The purpose of the non-return valve is to allow the metering of material to the front of the screw during plasticizing. It also doesn’t allow the back flow of material down the screw during injection.