1. Design of vent system includes vent groove, vent plug and clearance of ejector pin.
介绍了热芯盒模具分型面排气槽、排气塞以及推杆间隙排气等排气系统设计方法。
2. Oil conservator should have the device of oil-filling, oil-discharge, gas relief and blow-down, oil level meter, vent plug, vent-pipe, lowdown pipe, oil inlet pipe, 'lifting hook and so on.
4储油柜应具有注油、放油、放气和排污装置，带有油位计、放气塞、排气管、排污管和进油管及吊攀等。
3. Liquid tailpipes shall vent downward, and gas (vapor) tail-pipes shall vent upward when discharging to atmosphere.
液体排放管应朝向地面排放，气体（蒸气）排气管如果排入大气则应朝上排放。
5. Pressure gauge with negative pressure indication, pressure sensor, automatic vent safety protection device and manual drain tap on vent-pipe are required.
3排气管上装设带有负压指示的压力表、压力传感器和自动排气安全保护装置及手动排气阀门。
