Shelf effective area: 0.5 m2; layers: 3+1(top as radiation/compensating layer); shelf size: 410x410 mm; shelf spacing: 80 mm
Shelf temperature range: -55 degC to +80 degC(no load); condenser minimum temperature: <= -75 degC(no load)
Ultimate vacuum: <= 1 Pa(no load); system leak rate: <= 5x10^-3 Pa.m3/sec
Shelf temperature control accuracy: +-0.5 degC(PID regulated); shelf temperature uniformity: <= +-1 degC(stabilized)
Shelf flatness: <= +-0.5 mm/m; shelf withstands pressure test up to 0.3 MPa
Dual-redundant refrigeration: 2 x BITZER S4T-5.2Y single-machine two-stage compressors; R507/R404A refrigerants; water-cooled condenser(Nanjing Jindian); cooling water 5 m3/h
Dual-redundant vacuum: 2 x dual-stage rotary vane vacuum pumps(Leybold, Germany)
Dual-redundant circulation: 2 x Grundfos(Denmark) wet-rotor canned circulating pumps; silicon oil(25 degC, 10 cst); heating power 3.2 kW; solid-state relay control
Hydraulic stoppering: cylinder at top of chamber; adjustable stoppering pressure 0-1.0 bar; ROKEN hydraulic valves; IFM/HUBA pressure sensors
CIP system: standard + wide-angle + ball-type spray nozzles(316L SS); ~80 L/min water consumption; alternating left/right shelf nozzle; nitrogen charging valve
SIP system: pulsed negative-pressure steam delivery; sterilization at 121 degC; 30 degC to 121 degC within 30 min; jacket water cooling for chamber
Special O-type door seal to prevent water accumulation and ensure sterility
Chamber, shelves, and flexible hoses leak-tested by helium mass spectrometer
Control: SH-HPSC-IV cabinet; MCGS touch screen; Dell computer(Hite software); SANTAK UPS(sustains PLC 20 min after power failure)
FDA 21 CFR Part 11 compliant; electronic signatures; three-tier user access; unmodifiable curve reports
Unlimited recipe management; stage-jump function; real-time recipe adjustment during process
Complete batch record printing(process recipe, data curves, history, operation/alarm logs)
IQ/OQ/PQ, FAT, SAT validation documentation provided
Contact material: 316L stainless steel(chamber, shelf); outer: 304 SS; cold trap: AISI 304 SS
Dimensions(L x W x H): ~1,800 x 1,100 x 2,000 mm; weight:~1,800 kg; installed power: 10 kW
Power: 3-phase 5-wire 380 V; compressed air: 0.7 MPa 20 L/min; steam: 130 degC 0.4 MPa
Complies with FDA/EU standards; electronic signature; multi-group password protection
System operation from cleanroom, machine room, or freeze-drying control room with mutual interlocking
User-friendly HMI showing all component/valve status, temperature and vacuum parameters
Recipe management for unlimited freeze-drying process curves
Stage display and arbitrary stage-jump function during freeze-drying
Real-time recipe adjustment during freeze-drying process
Alarm display for all fault points on operation screen
Data and curve recording functions; callable and printable by batch number
Multi-color vacuum/temperature curve display with show/hide toggle per channel
Complete batch record printing after freeze-drying completion
Online CIP with fully automatic control
FDA 21 CFR Part 11 compliant software; unmodifiable curve reports
Electronic signatures; three-tier user access management
UPS emergency power sustains PLC and sensors for 20 min after power failure