Pulsating vacuum sterilizer is strictly designed and manufactured in accord with GMP technical Standard. has been certified compliant with the ISO 9001 standard and the ISO 13485 standard. Moreover, the sterilizers presented here are designed and manufactured in compliance with China Pressure Equipment Directive – GB150.
Sterilization, i.e., the exposure of the product to a constant temperature, is the most critical phase of the entire process and is adjusted on the basis of the pressure of the pure steam measured inside the chamber by a pressure transducer, with constant monitoring of the temperature.This type of control is based on the principle that the pressure of water steam, in saturation conditions, has a one-to-one correlation to its temperature, according to the values stored inside the process controller.The advantage of this control principle is that while the pressure inside a closed vessel, such as the chamber of a sterilizer, is always uniform and therefore pressure measurement is independent of the location of the sensor, the temperature, depending on various conditions and characteristics of the machine, may vary over a relatively wide real tolerance range (although this is not always noticeable by analyzing the process documentation).Another advantage of pressure-control is that, thanks to the features of the process controller software, the appropriate programming of the controller allows to immediately detect abnormal operating conditions, if the steam is not in saturation conditions. The sterilization process adjusted in this manner is therefore monitored by Pt 100 (RTD), one of which is installed in a fixed position at the drain trap of the chamber, which is theoretically the coldest point of the chamber.
|7||PT100 thermocouple||2 pcs|
|9||Electricity supply||24kw,380V,50Hz,3 phase 4 wires|
|10||Pure water supply(0.4~0.6Mpa)||Pipe diameter:DN15,25 kg/cycle|
|11||tap water supply(0.2~0.3Mpa)||Pipe diameter:DN15,200 kg/cycle|
|12||compressed air supply(0.6~0.8Mpa)||Diameter:φ6mm,0.1m³/cycle|
Sterilization chamber: The pressure vessel of the sterilizer is constituted by a double-walled chamber.The internal chamber is made of SUS316L stainless steel, whichis mirror-finished (Ra δ 0.4 µm) in order to ensure that it can be cleaned and sterilized and in order to increase its resistance to corrosion.
A full dimpled jacket is provided wrapping around the chamber.It is made of 304 stainless steel plate and covers the outer surface of the internal chamber substantially completely to avoid steam condensation and facilitate, and proper temperature distribution. which can be peripherally heated uniformly, preventing material from non-uniform heating.
The insulating layer is made by aluminium silicate which is the best insulating material, and the equipment is rectangular, having stainless steel decorating cover
Doors: The autoclave is designed as pass-through (double door is interlock).The door is hinge type and automatic pneumatic locking.
The door seal is the inflatable type, pressurized with compressed air, and can withstand the chamber temperature and pressure.
Control system: PLC+ HMI + Micro-printer.
The autoclave control with optional automatic operation or manual operation.
The equipment operate and control the following process cycle:
CYCLE 1- Vacuum test – a test of air permeability of the chamber
CYCLE 2- Vented Liquid product –heating(steam into chamber continuous), sterilization,cooling slowly
CYCLE 3- Porous products solids sterilization(cloth and tools). Initial pulsed vacuum,sterilization,drying by vacuum.
Medium and big scale hospitals who have large amount metal , fabric items processing everyday .
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