Manifold Pressure Regulators H 20 (Hauptdruckminderer)

The Vulkan H 20/300 Effect is a professional manifold pressure regulator developed for manifolds, cylinder bundles, and central gas supply systems where higher outlet pressure and reliable flow performance are required. With an outlet pressure range of 0 to 20 bar and a flow capacity of up to 75 Nm³/h, it is well suited for industrial gas distribution points that demand stable regulation under real operating conditions.

Unlike basic main-line regulators, the H 20/300 Effect is built according to ISO 7291 and uses a single-stage compensated design to keep the outlet pressure more stable as inlet pressure drops. Dual pressure gauges provide immediate visual control, while the rugged brass body and PTFE diaphragm support long service life in daily industrial use. It is available in gas-specific versions for oxygen, argon, CO₂, helium, nitrogen, hydrogen, and compressed air, with matching inlet connections for either 200 bar or 300 bar systems.

Description

The Vulkan H 20/300 Effect is a professional manifold pressure regulator developed for manifolds, cylinder bundles, and central gas supply systems where higher outlet pressure and reliable flow performance are required. With an outlet pressure range of 0 to 20 bar and a flow capacity of up to 75 Nm³/h, it is well suited for industrial gas distribution points that demand stable regulation under real operating conditions.

Unlike basic main-line regulators, the H 20/300 Effect is built according to ISO 7291 and uses a single-stage compensated design to keep the outlet pressure more stable as inlet pressure drops. Dual pressure gauges provide immediate visual control, while the rugged brass body and PTFE diaphragm support long service life in daily industrial use. It is available in gas-specific versions for oxygen, argon, CO₂, helium, nitrogen, hydrogen, and compressed air, with matching inlet connections for either 200 bar or 300 bar systems.

This regulator is the right choice for users who do not want a generic catalog item, but a properly specified component for reliable primary pressure reduction in technical gas installations. It fits new manifold stations, bundle supply systems, and replacement projects where pressure stability, mechanical robustness, and clear gas-specific configuration are not optional.

Typical applications

  • Central gas supply systems
  • Cylinder bundle stations
  • Industrial manifold installations
  • Process gas distribution
  • Workshops and production plants
  • Technical gas infrastructure

Manifold Regulator Vulkan H 20/300 Effect

The Vulkan H 20/300 Effect is a heavy-duty manifold regulator for central gas supply systems, cylinder bundles, and direct manifold connection. It is designed in accordance with ISO 7291, features a single-stage design with inlet pressure compensation, and is adiabatic compression tested for dependable operation in industrial gas supply applications. The regulator delivers up to 75 Nm³/h and offers an adjustable outlet pressure range from 0 to 20 bar, making it suitable for higher-consumption systems where stable downstream pressure matters.

Built for practical plant use rather than catalog decoration, the H 20/300 Effect combines a brass body, PTFE diaphragm, clear dual-gauge pressure indication, and gas-specific inlet connections for oxygen, argon, CO₂, helium, nitrogen, hydrogen, and compressed air versions. Competitor listings for the H20 family also confirm the use of safety gauges to DIN EN ISO 5171, G1/2 RH outlet connection, and configuration for both 200 bar and 300 bar inlet-pressure classes.

 

Table 1. Technical data

Parameter Value
Body Brass
Seals EPDM, polyamide, PTFE
Diaphragm PTFE, Stainless steel
Leakage rate 1 × 10⁻⁶ mbar l/s
Temperature range -20 to +60 °C
Max. inlet pressure (pe max) 200 / 300 bar
Max. flow (Qmax) 75 Nm³/h
Outlet pressure range (pa) 0–20 bar
Flow rating condition at pa = 20 bar
Inlet connection (de) See versions table
Outlet connection (da) See versions table
Width (B) 200 mm
Height (H) 190 mm
Depth (T) 75 mm
Weight (M) 1.7 kg

 

Table 2. Versions and article numbers

Gas type Inlet pressure Outlet pressure Inlet connection Outlet connection Article no.
Oxygen 200 bar 0–20 bar G 3/4 RH nut G1/2 RH 208 520
Argon 200 bar 0–20 bar W21.8 × 1/14 RH nut G1/2 RH 206 520
CO₂ 200 bar 0–20 bar W21.8 × 1/14 RH nut G1/2 RH 206 520 06
Helium 200 bar 0–20 bar W21.8 × 1/14 RH nut G1/2 RH 206 520 26
Nitrogen 200 bar 0–20 bar W24.32 × 1/14 RH nut G1/2 RH 203 520
Hydrogen 200 bar 0–20 bar W21.8 × 1/14 LH nut G1/2 RH 204 520
Compressed air 200 bar 0–20 bar G 5/8 RH US G1/2 RH 207 520
Oxygen 300 bar 0–20 bar W30 × 2 RH nut G1/2 RH 308 520
Argon 300 bar 0–20 bar W30 × 2 RH nut G1/2 RH 306 520
Helium 300 bar 0–20 bar W30 × 2 RH nut G1/2 RH 306 520 26
Nitrogen 300 bar 0–20 bar W30 × 2 RH nut G1/2 RH 303 520
Hydrogen 300 bar 0–20 bar W30 × 2 LH nut G1/2 RH 304 520
Compressed air 300 bar 0–20 bar W30 × 2 RH nut G1/2 RH 307 520

The H20 family configuration, operating range, and application as a manifold regulator for bundle connection are consistent with Gasetechnik24 listings for multiple gas-specific H20 variants.