Description
Premium stainless-steel gas pre-heater for high-pressure inert gas systems
When gas expands from high pressure, temperature drops rapidly. That temperature loss can cause regulator icing, unstable outlet conditions, interrupted flow, and unnecessary wear on seals and control components. The Vulkan GPH 400 VA is designed to compensate for that thermal drop before the gas reaches the pressure regulator, improving process stability and protecting the gas supply system under demanding operating conditions. The current GAS SOLUTIONS product page describes the GPH family as a solution for the Joule–Thomson effect, intended to maintain stable, frost-free gas supply with dual thermal protection and continuous-duty suitability.
This VA stainless-steel version is the stronger choice where standard materials are not enough. With AISI 316L gas-line parts, EPDM/PTFE seals, low leakage rate, and clean industrial construction, it is well suited for inert gas service in laboratories, production lines, high-pressure gas supply stations, and installations where durability and controlled gas handling are critical. The broader product family on the GAS SOLUTIONS page also supports multiple international connection standards, different voltage versions, and plug options, which makes the platform commercially flexible for different export markets and plant standards.
The selling point is not “just heating.” The real value is system stability. This unit helps reduce freeze-related pressure instability, minimizes stoppages, protects regulators, and improves operational consistency wherever high-pressure gas is reduced under load. That is why this product should be positioned as a reliability component for professional gas systems, not as a generic accessory. GAS SOLUTIONS publicly presents the GPH line for industrial, medical, and laboratory applications, with 24/7 operation, integrated filtration, and thermal protection as core benefits.
For projects with documentation requirements, the product can also be offered with additional order-related documentation, including EN 10204 Type 3.2 certificate, oxygen-cleaning certificate, and complete cleaning certificate for laboratory and pharmaceutical gas service when specified at the ordering stage.
Key selling points
- Prevents regulator icing in high-pressure gas systems
- Stabilizes gas temperature before pressure reduction
- Suitable for inert gases up to 300 bar
- AISI 316L gas-contact line parts
- 400 W heating power
- Compact industrial design
- Low leakage rate
- CE-marked product
- Optional order documentation for regulated projects
- Strong fit for laboratory, specialty-gas, and high-pressure industrial applications
High-pressure stainless-steel gas pre-heater for inert gas systems up to 300 bar. The Vulkan GPH 400 VA reduces regulator icing, stabilizes gas delivery, and supports reliable operation in demanding industrial and laboratory applications. Built with AISI 316L gas-line parts, EPDM/PTFE seals, 400 W heating power, and optional certification support for projects requiring traceability and controlled cleaning status.
Technical data
Table 1. Technical data
| Parameter | Value |
| Product name | Gas pre-heater Vulkan GPH 400 VA |
| Version | Stainless steel gas line parts |
| Body | Plastic |
| Gas line | AISI 316L |
| Seals | EPDM / PTFE |
| Leakage rate | 1 × 10⁻⁶ mbar l/s |
| Temperature range | -20 to +60 °C |
| Max. pressure (Pmax) | 300 bar |
| Voltage | 230 V / 50 Hz |
| Heating power | 400 W |
| Protection class | IP44 |
| Length (L) | 150 mm |
| Height (H) | 90 mm |
| Additional dimension | 90 mm |
| Weight | 2.0 kg |
| Compliance | Approved with CE mark |
Table 2. Versions and article numbers
| Version | Configuration | Article number / reference |
| Vulkan GPH 400 Stainless Steel | Base stainless version, PN 300, stainless body, public market reference | 45707403 |
| Vulkan GPH 400 Stainless Steel | 110 V version | On request |
| Vulkan GPH 400 Stainless Steel | 220/230 V version | On request |
| Vulkan GPH 400 Stainless Steel | EU plug | On request |
| Vulkan GPH 400 Stainless Steel | British plug | On request |
| Vulkan GPH 400 Stainless Steel | Without plug / cable only | On request |
| Vulkan GPH 400 Stainless Steel | NPT connections | On request |
| Vulkan GPH 400 Stainless Steel | DIN 477-1 connections | On request |
| Vulkan GPH 400 Stainless Steel | ISO 5145 connections | On request |
| Vulkan GPH 400 Stainless Steel | Vareo connections | On request |
Optional certificates
Available on request with order:
- EN 10204 Type 3.2 certificate
- Oxygen-cleaning certificate
- Complete cleaning certificate for laboratory and pharmaceutical gas service

