Gas Distribution Manifold Cabinet by HSPX
| Brand | HSPX |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | Gas Distribution Manifold Cabinet |
| Pricing | Available Upon Request |
Overview
The HSPX Gas Distribution Manifold Cabinet is an engineered solution for centralized, safe, and reliable delivery of multiple high-purity process or carrier gases to analytical instrumentation in laboratory environments. Designed for integration with gas chromatographs (GC), mass spectrometers (MS), ICP-MS, GC-MS, and other gas-dependent analytical systems, the cabinet employs a modular manifold architecture based on precision brass or stainless-steel tubing, dual-stage pressure regulation, and leak-tight sealing technologies. Its core function is to consolidate individual gas cylinder supplies—such as helium, nitrogen, hydrogen, argon, synthetic air, or zero air—into a single, pressure-stabilized, contamination-controlled distribution point. The system operates on the principle of regulated flow splitting and pressure balancing, ensuring consistent inlet pressure and flow stability across all connected instruments, thereby minimizing baseline drift, retention time variability, and detector sensitivity loss in sensitive analytical workflows.
Key Features
- Modular manifold design with configurable inlet/outlet ports (standard configurations support 2–8 gas lines; custom layouts available)
- Integrated dual-stage stainless-steel pressure regulators per gas line, maintaining ±0.5 psi output stability under variable flow conditions
- High-integrity sealing using metal-to-metal (VCR/VCO) or EPDM-sealed compression fittings, tested to ≤1×10⁻⁹ mbar·L/s helium leak rate
- Front-panel-mounted pressure gauges (dual-scale: 0–300 psi primary, 0–30 psi secondary) with glycerin damping for vibration resistance
- Optional real-time monitoring: integrated pressure transducers with 4–20 mA analog output or Modbus RTU interface
- Expandable automation interface: dry-contact alarm relays for low-pressure, high-pressure, or line-leak conditions; RS-485 or Ethernet port for SCADA/DCS integration
- Structural housing fabricated from 1.5 mm cold-rolled steel with epoxy-powder coating, rated IP54 for lab-grade environmental protection
Sample Compatibility & Compliance
The cabinet is compatible with all standard CGA-compliant gas cylinders (CGA-320, CGA-580, CGA-590, etc.) and supports both high-pressure (up to 3000 psi inlet) and low-pressure instrument supply requirements (typically 30–60 psi). All wetted materials—including regulators, valves, tubing, and seals—meet ASTM F519 and USP Class VI biocompatibility standards for inert gas service. The design conforms to ISO 8573-1:2010 Class 2 purity requirements for compressed air and complies with local fire codes (NFPA 55, GB 50974) for indoor gas cabinet installation. Optional explosion-proof variants (ATEX II 2G Ex d IIB T4 Gb / NEC Class I Div 2) are available upon request for hazardous area deployment.
Software & Data Management
While the base cabinet operates as a standalone mechanical system, its optional digital modules support full traceability and audit readiness. When equipped with HSPX’s optional GasLink™ Control Module, the system provides time-stamped event logging (e.g., pressure excursions, alarm triggers, valve actuation), user-access control via password-protected web interface, and exportable CSV reports compliant with GLP and FDA 21 CFR Part 11 requirements (electronic signatures, audit trails, data integrity safeguards). Integration with LabVantage, Thermo Fisher SampleManager, or Siemens Desigo CC is supported through standard OPC UA or RESTful API protocols.
Applications
- Centralized gas supply for multi-instrument GC laboratories in pharmaceutical QC/QA and contract research organizations (CROs)
- Carrier gas management in semiconductor metrology labs requiring ultra-high-purity nitrogen or argon
- Zero-air generation and calibration gas distribution in environmental monitoring stations (EPA Method TO-14/TO-15 compliance)
- Hydrogen safety management in fuel cell R&D facilities with automatic shutoff on leak detection
- Multi-point gas delivery for automated sample introduction systems (e.g., purge-and-trap, thermal desorption units)
- Education and training labs where modular reconfiguration supports curriculum-based gas-handling experiments
FAQ
Can this manifold be used with corrosive gases such as chlorine or hydrogen sulfide?
No—standard configurations are rated only for inert, non-corrosive, non-toxic gases. Specialized versions with Hastelloy C-276 components and fluoropolymer seals are available for aggressive media; consult engineering support prior to specification.
Is field calibration of pressure regulators supported?
Yes—each regulator includes external adjustment access and is supplied with NIST-traceable calibration certificates. Field recalibration can be performed using certified deadweight testers per ISO 6789-2.
What is the typical lead time for custom-configured cabinets?
Standard models ship within 10 business days; custom configurations (e.g., >8 lines, explosion-proof rating, integrated gas purifiers) require 4–6 weeks from order confirmation.
Does HSPX provide installation and commissioning services?
Yes—certified field engineers offer on-site mechanical installation, leak testing per ASTM E2877, functional verification, and operator training. Remote support via TeamViewer-assisted diagnostics is also available.

