Airtac B52-GR Copper-Free Air Source Treatment Unit B52-GR30015NK
The AirTAC B52-GR Copper-Free Air Source Treatment Unit B52-GR30015NK is a genuine G-series air pressure regulator. It holds a stable downstream pressure over the range 0.05 - 0.9 MPa (7 - 130 psi) with PT1/2" ports, ordered without a gauge. A regulator does not filter the air — put a GF filter upstream, or use a GFR filter regulator, when water and particulate must also be removed.
- TypePressure regulator
- Port sizePT1/2"
- Regulating range0.05 - 0.9 MPa (7 - 130 psi)
- Pressure typeStandard type
- Pressure gaugeNot fitted
- Reflux valveFitted
- ThreadPT
- BracketFixing bracket included
- No minimum order. A single piece can be ordered.
- Ready in 3–5 business days. That is the time we take to process the order and hand it to the carrier. Transit time after that depends on the destination.
About the Airtac B52-GR Copper-Free Air Source Treatment Unit B52-GR30015NK
The AirTAC GR300 series is a standalone compressed-air pressure regulator - regulation only, with no filter, no bowl and no lubrication. GR30015NK is the 300 size with a 1/2 in PT thread, standard pressure type, and the K option fitting a reverse (check) valve so downstream pressure is held if the upstream supply is lost. Supplied without a gauge, with a mounting bracket included. Adjustment range is 0.05-0.9 MPa, maximum inlet 1.0 MPa (145 psi), working temperature -20 to 70 C.
This is a genuine AirTAC part. The G series runs in 200, 300, 400 and 600 sizes with ports from 1/8 in to 1 in, PT as the standard thread and G and NPT as catalogue options; GR can also be panel-mounted. Flow is published as curves rather than a single rating, so we confirm datasheet and sizing figures on request.
Airtac B52-GR Copper-Free Air Source Treatment Unit B52-GR30015NK Technical Specifications
| Model | Airtac B52-GR Copper-Free Air Source Treatment Unit B52-GR30015NK |
|---|---|
| Series | GR300 pressure regulator |
| Port size | PT1/2" (PT thread) |
| Regulating range | 0.05 - 0.9 MPa (7 - 130 psi) |
| Pressure type | Standard type |
| Bracket | Fixing bracket included |
| Fluid | Compressed air |
|---|---|
| Max. working pressure | 1.0 MPa (145 psi) |
| Temperature range | -20 to +70 °C |
| Pressure gauge | Not fitted |
| Reflux valve | Fitted (reverse flow permitted) |
| Mounting | Panel mounting; optional fixing bracket |
Specifications follow the official AirTAC G-series air-preparation data. Note the GR temperature range is -20 to +70 °C, wider than the other G-series units. A regulator has no bowl and no filter element, so there is no filtering grade. Flow curves, weight and outline dimensions are not published in our data set — ask us and we will confirm from the factory datasheet.
Model Code: Airtac B52-GR Copper-Free Air Source Treatment Unit B52-GR30015NK
| GR300 | G-series pressure regulator, 300 body — sets the port range. |
|---|---|
| 15 | Port size PT1/2". This body offers 08 = PT1/4", 10 = PT3/8", 15 = PT1/2". |
| (blank) | Standard type — 0.05 - 0.9 MPa (7 - 130 psi). Blank is standard, L is the low-pressure type. |
| (blank) | Fixing bracket included. |
| N | No pressure gauge (N). |
| (blank) | Gauge shape: Factory standard. C is round, F is square. |
| (blank) | Gauge scale: Factory standard. 1 is MPa, 2 is psi, 3 is bar. |
| (blank) | PT thread. PT is the default; G is BSPP and T is NPT. |
| K | Reverse-flow (reflux) valve fitted. |
Field order is size, port, type, bracket, gauge, gauge shape, scale, thread, reflux — a blank position takes the default. Example: GR300-08LNK is a 300 body, PT1/4", low-pressure type, no gauge, with reflux valve.
Size Class
- GR200PT1/8" - PT1/4"
- GR300PT1/4" - PT1/2"
- GR400PT3/8" - PT1/2"
- GR600PT3/4" - PT1"
A larger body carries a larger port and holds set pressure better as flow rises. AirTAC publishes flow only as curves, so size the body from your peak demand with headroom rather than from a single rated figure.
| This model | GR300 · PT1/2" · 0.05 - 0.9 MPa (7 - 130 psi) |
|---|---|
| One size down | GR200 |
| One size up | GR400 |
| Line order | Filter first, then regulator, then lubricator |
Where the Airtac B52-GR Copper-Free Air Source Treatment Unit B52-GR30015NK Is Used
Palletizer clamp circuit with supply dips
Holding the set pressure on palletizing gripper and clamp circuits when the upstream header pressure sags, thanks to the built-in check valve.
Accumulator-fed packaging line
Regulating a receiver-tank-fed 1/2 in line serving a bagging machine, with the check valve stopping stored air from back-feeding the header.
Pneumatic press safety interlock line
Maintaining downstream control pressure to a small pneumatic press's pilot valves if the main supply is shut off for maintenance.
Is the Airtac B52-GR Copper-Free Air Source Treatment Unit B52-GR30015NK the Right Regulator?
The 300 size with a 1/2 in PT port sits in the middle of the GR range - step to GR200 for small drops or GR400/GR600 for larger supplies. Pick the K suffix when the circuit must keep its set pressure during an upstream dip, and choose a gauge variant (embedded square or external round, MPa/psi/bar) where you need indication; this N code has none. PT is standard, with G and NPT threads to order, and a bracket is included.
Sizing relies on AirTAC's flow curves rather than a single rated figure, so share your supply pressure, set pressure and demand and we will confirm the selection against the datasheet before ordering.
Quick checklist
- ✓ Body size for your peak flow (PT1/2" here)
- ✓ Standard 0.9 MPa or low-pressure 0.4 MPa
- ✓ Gauge fitted, or order N without
- ✓ Gauge shape C round / F square
- ✓ Scale MPa (1), psi (2) or bar (3)
- ✓ Reflux valve needed, order K
Installation & Maintenance Notes
- check Install downstream of the filter, following the airflow arrow.
- check Keep inlet pressure at or below 1.0 MPa (145 psi).
- check Set pressure while air is flowing, then lock the knob.
- check Adjust within 0.05 - 0.9 MPa (7 - 130 psi) only.
- check Operating range -20 to +70 °C.
- check Panel-mount or use the fixing bracket; do not hang it on tubing.
The reflux valve lets air flow back through the regulator, which is useful when downstream volume must vent quickly. A regulator does not remove water or particulate; that is the filter's job.
Airtac B52-GR Copper-Free Air Source Treatment Unit B52-GR30015NK FAQ
AirTAC publishes regulator flow as characteristic curves rather than a single rated number, so we do not state a flow figure here. Give us your supply pressure, required set pressure and air demand and we will confirm the size against the datasheet curves on request.
K means a reverse (check) valve is fitted, so downstream pressure is retained when the upstream supply drops or is isolated. It is only available on regulator-bearing units such as the GR, GFR, GFC and GC ranges - the plain GR30015N without the K has no check valve.
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Genuine AirTAC parts produced by AirTAC factory.
1-Year Warranty
Covers non-human-caused product damage.
Fast Dispatch
Standard models are processed and dispatched in 3-5 business days.
Fast Reply
Most inquiries answered within 7-8 hours.
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Request a Quote for Airtac B52-GR Copper-Free Air Source Treatment Unit B52-GR30015NK
Send us the quantity, thread type (PT / G / NPT), gauge scale and destination. We confirm price, availability and lead time — usually within 7-8 hours.