HePu WS-280YDA Horizontal Autoclave
| Brand | HePu (Jihepu) |
|---|---|
| Origin | Shandong, China |
| Model | WS-280YDA |
| Sterilization Chamber Volume | 0.28 m³ (Ø600 mm × 1000 mm) |
| Maximum Operating Temperature | 134 °C |
| Maximum Operating Pressure | 0.22 MPa |
| Temperature Range | 40–134 °C |
| Sterilization Time Range | 1–60 min |
| Drying Time Range | 1–60 min |
| Temperature Uniformity | ≤ ±2 °C |
| Power Rating | 12 kW / 380 V, 50 Hz |
| Net Weight | 365 kg |
| Gross Weight | 465 kg |
| Overall Dimensions (L×W×H) | 1680 × 920 × 2100 mm |
Overview
The HePu WS-280YDA Horizontal Autoclave is a fully automated, Class B steam sterilizer engineered for reliable and repeatable terminal sterilization of heat- and moisture-stable materials in laboratory, pharmaceutical, clinical, and industrial settings. It operates on the principle of saturated steam under pressure—leveraging the high latent heat of condensation to achieve rapid, uniform thermal penetration into porous and non-porous loads. At 134 °C and 0.22 MPa, the unit delivers validated sterilization cycles compliant with ISO 17665-1 (Moist Heat Sterilization), EN 285 (Large Steam Sterilizers), and relevant sections of USP and FDA 21 CFR Part 11 when integrated with audit-trail-capable software. Its horizontal cylindrical chamber design supports efficient loading of trays, instrument sets, glassware, culture media, textiles, and bulk liquid containers—making it suitable for high-throughput environments requiring consistent bioburden reduction across diverse load configurations.
Key Features
- Dual-chamber construction: Inner sterilization chamber and outer steam jacket fabricated from high-grade stainless steel (AISI 304), ensuring corrosion resistance, structural integrity, and long service life.
- Full automatic cycle control: Integrated PLC-based controller manages water filling, heating, air removal, sterilization hold, exhaust, drying, and cooling phases—each stage displayed in real time via an intuitive LED interface.
- Robust safety interlock system: Includes door lock activation at ≥0.027 MPa internal pressure; automatic steam valve sequencing during door opening attempts; low-water cutoff with audible alarm and power cutoff; overpressure relief at 0.24 MPa via spring-loaded safety valve; and earth-leakage circuit protection.
- Precision thermal management: Immersion-type heating elements (12 kW total) provide rapid, stable temperature ramping; chamber temperature uniformity maintained within ±2 °C across full load volume per EN 285 Annex C validation requirements.
- Energy-efficient insulation: Jacket cavity filled with high-performance glass wool insulation minimizes heat loss and ambient temperature rise during operation.
- Programmable flexibility: Adjustable setpoints for sterilization temperature (40–134 °C), dwell time (1–60 min), and post-sterilization drying duration (1–60 min); optional pre-vacuum or gravity displacement air removal modes ensure optimal steam penetration.
Sample Compatibility & Compliance
The WS-280YDA accommodates a broad spectrum of sterilizable items—including surgical instruments, gauze packs, rubber tubing, Petri dishes, nutrient agar media, saline solutions, and polymer-based labware—provided they are compatible with saturated steam exposure at 134 °C. Load configuration must adhere to EN 13060 guidelines for packing density and orientation to avoid cold spots. The unit meets essential safety and performance criteria outlined in GB 8599–2008 (Chinese National Standard for Large Steam Sterilizers) and aligns with functional requirements of ISO 13485 quality management systems for medical device manufacturers. Optional IQ/OQ documentation packages support GMP-compliant installation and operational qualification.
Software & Data Management
While the base model features embedded microprocessor control with digital display and manual data logging via front-panel interface, optional RS-485 or Ethernet connectivity enables integration with centralized laboratory information management systems (LIMS) or supervisory control and data acquisition (SCADA) platforms. When paired with certified third-party software, the autoclave supports electronic record retention, user access control, cycle parameter audit trails, and electronic signatures—fulfilling traceability requirements under FDA 21 CFR Part 11 and EU Annex 11 for computerized systems in regulated environments.
Applications
This horizontal autoclave is routinely deployed in hospital central sterile supply departments (CSSD), academic research laboratories, biotechnology R&D facilities, food safety testing labs, and contract manufacturing organizations (CMOs). Typical use cases include sterilization of reusable surgical kits prior to packaging, depyrogenation of glass vials used in parenteral formulation, preparation of microbiological growth media, decontamination of biohazardous waste, and validation of sterilization processes for ISO 11138-compliant biological indicators.
FAQ
What is the maximum load capacity for this autoclave?
The chamber volume is 0.28 m³ (Ø600 mm × 1000 mm), supporting typical loads up to 80–90% chamber volume depending on item porosity and packing density.
Does the unit support vacuum-assisted air removal?
Yes—programmable air removal sequences include gravity displacement and optional pre-vacuum cycles to enhance steam penetration in wrapped or porous loads.
Is validation support available for regulatory submissions?
Factory-provided IQ/OQ protocols and test templates are available upon request; users are responsible for site-specific PQ execution per ISO 17665-2.
Can the autoclave be operated without continuous supervision?
All cycles are fully autonomous once initiated; however, periodic maintenance and daily operational checks (e.g., Bowie-Dick tests, drain line inspection) remain mandatory per EN 285 Clause 7.
What electrical supply is required?
Three-phase AC 380 V ±10%, 50 Hz, with dedicated 32 A circuit breaker and proper grounding per IEC 61000-6-3 EMC standards.
