Single Stage Nitrogen Regulator — compact pressure reduction for steady, everyday duties
A Single Stage Nitrogen Regulator reduces cylinder pressure to the working pressure in one step, using a single spring-loaded diaphragm and seat.
It is the simplest and most economical design, which is why it is so common on workshop benches, test rigs and mobile service carts.
It is the simplest and most economical design, which is why it is so common on workshop benches, test rigs and mobile service carts.
Because the reduction happens once, the outlet pressure drifts slightly upward as the cylinder empties; this is called supply pressure effect, and for most industrial duties it is easily managed by a quick adjustment. If the process needs a constant value over many hours, a two-stage model is the better choice. Select an outlet range so that your normal setting falls between one third and two thirds of the scale, and check the flow capacity against your equipment.
A practical tip when working with this design: set the pressure with a small flow passing through the outlet, then close the downstream valve and check that the gauge stays stable. If the reading rises, the seat needs attention. Operators who use a single-stage unit on long jobs should recheck the setting every hour or so, and every time a new cylinder is connected.
REAL GAZ supplies this equipment in line with EN 837-1, ISO 10156 and related standards, suitable for industrial and laboratory use.
🏭 Where Single-Stage Nitrogen Regulators Are Used
- ⚙️ Pneumatic testing — valves and fittings are pressure tested with inert gas at controlled steps;
- 🔬 Mobile service — engineers carry compact regulated nitrogen for field maintenance;
- 🏥 Welding back-purging — pipe interiors are purged with nitrogen at low pressure to protect weld roots;
- 🚀 Teaching workshops — technical colleges use simple regulators to demonstrate gas handling safely.
💡 Why Choose REAL GAZ
- ✅ Low cost of ownership — fewer parts mean fewer wear items and simple servicing;
- 🧪 Easy to use — one knob sets the pressure, and gauges show contents and delivery;
- 🎯 Light and compact — small bodies fit crowded benches and carts;
- 🔒 Reliable supply — seat and diaphragm materials are selected for long service life;
- 📄 Test and inspection record — available with every order on request.
🔬 Quality Control & Safety
- cleaning and inspection of all wetted parts;
- leak testing of seats, seals and connections;
- gauge accuracy and set-point verification;
- protective packing and correct fitting selection.
Cylinders comply with ADR / UN transport rules and relevant EN/ISO standards.
⚙️ Trusted Gas Solutions
REAL GAZ can recommend the correct Single Stage Nitrogen Regulator for each task and deliver it with the nitrogen cylinder that suits your usage. We support customers throughout Azerbaijan, Turkey, Georgia, Uzbekistan and the USA.
REAL GAZ — simple design, dependable results.