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HXD-V1 Modular hydrogen dryer

Available

The HXD-V1 is a 19-inch 6U modular hydrogen dryer that takes the hydrogen from up to five HXB-V1 units (2.5 Nm³/h) to 99.999% purity, available to order now (lead time confirmed with the quotation).

Two adsorber towers alternate between drying and heater purge regeneration, taking wet hydrogen from the HXB-V1 to a dew point of -65 °C or lower (atmospheric). The adsorbent is sealed and needs no replacement.

Modular hydrogen dryer
H₂ purity99.999%

After drying

Maximum flow2.5 Nm³/h

5 × HXB-V1

Dew point≤ -65 °C

Atmospheric

Operating pressure10 barg

Standard · up to 35 barg on request

Who it is for

The downstream dryer for sites that need HXB-V1 hydrogen at 99.999%

Hydrogen leaving the HXB-V1 is 98–99% at ambient pressure and 99% at 10 barg without a dryer, and it is saturated with water. The HXD-V1 takes that water out to reach 99.999%. One unit serves one to five HXB-V1 units of the 10 barg version and needs at least 10 barg at its inlet.

Choose this product when
  • Sites using HXB-V1 hydrogen where 99.999% is required, such as fuel cells and refuelling
  • Configurations that dry the hydrogen of several HXB-V1 units (up to five) with one dryer
  • Mounting it in one 42U rack together with five HXB-V1 units
HXD-V1

Using it where a dew point or purity is specified

A dryer goes in when the application sets a dew point or purity. How far down you dry is what the application decides.

Process supply and analysis
These often need only the moisture figure met. The HXD-V1 outlet dew point is -65 °C or lower (atmospheric, approx. 5 ppm water).
Preventing condensation downstream
If you only need to stop condensation, a dew point around -40 °C (about 128 ppmv) is enough. The HXD-V1 dries further, to -65 °C or lower.
Fuel cells and refuelling
These usually set an oxygen limit as well. The HXD-V1 is a dryer that removes water and has no deoxo catalyst. Send us the applicable specification and we will look at the oxygen figure with you.
Agreeing the dew point basis
The dew points we quote are at atmospheric pressure, at the dryer outlet. The same approx. 5 ppm of water reads about -47 °C inside a 10 barg line. We convert to line pressure or to your point of use on request.
SITE CONNECTION

What HXD-V1 covers and what the site provides

The HXD-V1 removes the water between the HXB-V1 and the storage or end-use equipment. Piping and installation are a separate scope of supply.

HYDROXPAND01

HXB-V1

10 barg version, one to five units · min. 10 barg at the inlet

HYDROXPAND02

HXD-V1

Twin-tower adsorption drying · 99.999% · dew point ≤ -65 °C

CUSTOMER03

Power and piping

200-240 V AC single phase · H₂, vent and drain piping

CUSTOMER04

Storage, compression and use

Downstream equipment for the site application

HYDROXPAND

Included supply scope

  • The HXD-V1 dryer unit (twin-tower adsorption, heater purge regeneration, sealed adsorbent)
  • Modbus TCP and MQTT/JSON communication, Wi-Fi OTA firmware updates
  • Installation, operation and service handbook, user manual and outline drawing
CUSTOMER

Customer preparation

  • 200-240 V AC single phase 50/60 Hz (IEC C14 inlet · approx. 300 W max during regeneration heating)
  • Hydrogen at a minimum of 10 barg at the inlet (HXB-V1, 10 barg version)
  • 1/4″ H₂ tubing, vent and drain lines, and 6U of 19″ rack space (piping and installation are a separate scope of supply)
COMPONENTS AND BOPThe full drying and purification pictureDew point and purity basis, drying methods and trains sourced to your conditions
Integrated operation

One unit runs both drying and regeneration

Review the internal process first. Open the control app views when you need the operating states and alarms.

Internal schematic · concept, tower switching valves not shown
Internal schematic · concept, tower switching valves not shown
INSIDE THE UNIT

The 6U unit combines drying and regeneration

  • Water separation and automatic drain
  • Twin adsorbers that dry and regenerate in turn
  • Overpressure, overheat and leak protection
  • Modbus TCP and MQTT integration
Open the operating software views2 views
CONTROL APP

Monitored from the same control app as the HXB-V1

The dryer screens are included from app version 2.1.0. The P&ID screen shows readings, valve states and the regeneration step of each tower; Alarms & Events shows ES, FS and WA alarms and the command history, and records export as CSV. Site PLC or SCADA integration uses Modbus TCP. Values on the screens are examples.

Control app · P&ID
Control app · P&ID
HXD-V1 · SYSTEM INTEGRATION

How it connects

The HXB-V1 hydrogen outlet connects straight to the HXD-V1 inlet, and the dried hydrogen goes on to the site equipment. Power and vent lines are prepared on site.

HXB-V1 + HXD-V1 · 99.999% hydrogen
  1. AC power · LAN200-240 V single phase
  2. HXB-V110 barg version · 1 to 5 units
  3. HXD-V16U · up to 2.5 Nm³/h
  4. H₂ outlet99.999% · dew point ≤ -65 °C
  5. Use · storageFuel cells · analysis · process
HydroXpand supplyPrepared by youPURGE and DEPR. vent lines run outdoors on site.
HXD-V1 · PRODUCT VIEWS

Product views

Front, side depth and the rear ventilation fans for rack integration. 3D design renderings.

HXD-V1 Front
Front
HXD-V1 Side
Side
HXD-V1 Rear
Rear
  • 19″ rack mount · 6U
  • 482 × 650 × 266 mm
  • 1/4″ tube bulkhead H₂ ports
HXD-V1 · ENGINEERING SPECIFICATIONS

Dimensions · rack layout

19-inch rack, 6U, W × D × H 482 × 650 × 266 mm. In a 42U standard rack it sits at the bottom, below five HXB-V1 units. The A3 outline drawing with port coordinates is available as a PDF.

HXD-V1 Front and side outline, 42U rack layout (HXB-V1 × 5 + HXD-V1)
Front and side outline, 42U rack layout (HXB-V1 × 5 + HXD-V1)
Download the A3 outline drawing (PDF) ↗
HXD-V1

Before you ask for a quote

Check the connection conditions and site preparation first. Tell us how many HXB-V1 units you will connect and the dew point and purity you need, and we will review the configuration and quotation.

HXB-V1 units to connect
One to five HXB-V1 units of the 10 barg version, up to 2.5 Nm³/h. The HXB-V1 hydrogen outlet connects straight to the HXD-V1 inlet.
Inlet pressure
Minimum 10 barg. Operating pressure is 10 barg as standard, up to 35 barg on request. If the inlet falls below 8.5 barg the unit waits in STANDBY and carries on once it is back at 9.5 barg or above.
Rack space
6U of 19″ rack, 482 × 650 × 266 mm. In the standard 42U rack it sits at the bottom with five HXB-V1 units above it.
Power and network
200-240 V AC single phase 50/60 Hz, IEC C14 inlet, approx. 300 W max during regeneration heating. The power and LAN cables are supplied by you. Connect Ethernet to the same network as the HXB-V1 control PC.
Piping, vents and drain
The H₂ inlet and outlet are 1/4″ tube bulkheads; 1/4-inch stainless tubing and fittings are prepared on site. PURGE and DEPR. release hydrogen in normal operation, so run vent lines to a safe place outdoors and never block them. Separator water leaves through DRAIN.
Dew point and purity
Outlet dew point -65 °C or lower (atmospheric), purity after drying 99.999%. If your requirement is at line pressure or at the point of use, say so in the enquiry. The outlet dew point sensor is an option; without it, check with an analyser on H2 SAMPLE OUT.
Control and integration
You need the same desktop control app as the HXB-V1 (2.1.0 or later) and a control PC. Site PLC or SCADA integration uses Modbus TCP; ask us and we send the latest register map.
What arrives
The HXD-V1 unit (shipped with the ports capped), the user manual (electronic file) and the factory inspection report. Piping and installation are a separate scope of supply.
Price and lead time
Depends on quantity, configuration and Incoterms, so it is issued as a quotation, with the lead time confirmed in it.

This is a summary of standard supply terms. Configuration, lead time and commercial terms are confirmed in your quotation.

Request a quotation
Specifications

HXD-V1 specifications and supply terms

The specification table, support terms and review documents.

Performance5 items
Purity after drying99.999%
Dew point≤ -65 °C (atmospheric, approx. 5 ppm water)
Maximum flow2.5 Nm³/h (5 × HXB-V1)
Operating pressure10 barg standard · up to 35 barg on request
Regeneration H₂ lossapprox. 90 NL/h, regardless of unit count
Physical2 items
Form factor19″ rack mount · 6U
Size W × D × H482 × 650 × 266 mm
Utility & safety7 items
AdsorbentSealed · no replacement required
Regeneration methodTwin-tower alternating · heater purge
Power supplyAC 200-240 V · single-phase · 50/60 Hz
Power connectionIEC C14 inlet
Power consumptionapprox. 300 W max (during regeneration heating)
Regeneration cycleFactory 12 h · heating 6 h · user-adjustable
Safety functionsRelief valve · overheat trip · leak sensor
Interfaces4 items
H₂ inlet / outlet1/4″ tube bulkhead
Required inlet pressuremin. 10 barg
CommunicationModbus TCP · MQTT/JSON
Firmware updateWi-Fi OTA
How to cite in a paper1 item

Use the line below in the Methods section when reporting the material source.

Modular hydrogen dryer, 2.5 Nm³/h, 99.999% (HXD-V1, HydroXpand Inc., Republic of Korea)
Specification
19-inch 6U, twin-tower adsorption, dew point ≤ -65 °C (atmospheric)

Ask [email protected] if the lot number is required.

Support, lead time and commercial terms3 items
Support & operation

The first start is carried out by your site team together with a HydroXpand engineer. The adsorbent is sealed and needs no replacement, and the regeneration cycle can be changed by the user from the factory setting (12 h, heating 6 h).

Lead time & status

Available · lead time confirmed with the quotation

Commercial terms & origin

EXW basis; DAP and other terms by agreement. Country of origin is the Republic of Korea, with certificate of origin provided.

Pricing depends on quantity, configuration and Incoterms, so it is issued as a quotation. The lead time is confirmed with the quotation as well.

Before you order

HXD-V1: questions before you order

Minimum order, lead time, formats and how pricing works. The full FAQ covers operating and integration questions.

How do I buy the HXD-V1?

HydroXpand sells it directly. Send the number of HXB-V1 units, operating pressure, the dew point you need and the rack layout through the enquiry form or to [email protected]; we return a quotation with price, lead time and Incoterms, and the lead time counts from the day we accept your purchase order.

Can I order it now, and what is the lead time?

Yes, it is available to order now. The lead time is confirmed with the quotation.

How many HXB-V1 units can one HXD-V1 serve?

One unit serves up to five HXB-V1 units of the 10 barg version, up to 2.5 Nm³/h. Regeneration uses approx. 90 NL/h of hydrogen regardless of how many units are connected.

What does installation need?

6U of 19-inch rack space, 200-240 V AC single-phase 50/60 Hz power (IEC C14 inlet, approx. 300 W max during regeneration heating), hydrogen at a minimum of 10 barg at the inlet, and vent and drain lines. The H₂ inlet and outlet are 1/4-inch tube bulkheads.

How much does it cost?

Price depends on quantity, configuration and Incoterms, so it is issued as a quotation. The adsorbent is sealed and needs no replacement.

What are the commercial terms and the country of origin?

EXW is the base term and other Incoterms such as DAP are available. The country of origin is the Republic of Korea; a certificate of origin is provided, so FTA preference may apply in countries that have an FTA with Korea.

Enquiry

HXD-V1 quotation and connection review

Send the number of HXB-V1 units, the operating pressure, the dew point and purity you need and the rack layout, and we will reply with a quotation and lead time.