RTZ-*/*K, KQ Series Boiler Special Gas Regulator
Get In Touch →Product Features
Large flow capacity
Fast response speed, compatible with solenoid valves
Simple structure for easy maintenance
Mainly used for pressure reduction and stabilization in direct‑fired units, various gas‑fired boilers, industrial kilns, and community pipe network transmission & distribution systems
Main Technical Parameters
Inlet Pressure: P1 0.005‑0.5 MPa
Outlet Pressure: P2 1‑30 kPa
Outlet Pressure: P2 50‑80 kPa
Pressure Regulation Accuracy: δ ±10%
Shut‑off Pressure: Pb 1.25P2
Operating Temperature: −20‑60 ℃
Working Medium: Natural gas, coal gas, LPG, coal mine gas, biogas and other non‑corrosive gases
Nominal Diameter Series: DN50, DN80, DN100, DN150, DN200, DN300
Cabinet Body
According to customer requirements, our company can manufacture pressure‑regulating boxes, cabinets and stations integrating multiple functions including pressure regulation, filtration, over‑pressure cut‑off, safety relief and metering.
Compact structure and attractive appearance, suitable for indoor and outdoor installation.
Simple installation and commissioning, convenient operation and maintenance with high reliability.
Good expandability, multiple functions can be added as per customer requirements.
The cabinet body is made of high‑strength cold‑rolled steel sheet (surface plastic‑sprayed), stainless steel sheet, or insulated luxury aluminum‑alloy color sheet. It features good sealing performance, strong anti‑corrosion capacity and long‑term durability.
Causes and Troubleshooting of Common Faults
| Phenomenon | Cause | Troubleshooting Method |
|---|---|---|
| Outlet Pressure Drop | Over‑load operation | Select a suitable main regulator |
| Spring deformation | Replace the spring | |
| Signal pipe blockage | Clean the signal pipe | |
| Main valve seat gasket deformation | Replace the valve seat gasket | |
| Outlet Pressure Rise | Damaged balance diaphragm | Replace it |
| Outlet Pressure Rise | Damaged main regulating diaphragm | Replace it |
| Excessive Shut‑off Pressure | Heavy dirt deposits at valve seat edge | Perform cleaning |
| Damaged balance diaphragm and main diaphragm | Replace them | |
| Damaged O‑ring | Replace it | |
| Deformed main regulating valve seat | Replace it |
RTZ‑A Series Regulator Flow Table ( Nm³/h Air )
| Outlet Pressure P2(kPa) | Inlet Pressure P1(MPa) | RTZ‑50A | RTZ‑80A | RTZ‑100A | RTZ‑150A | RTZ‑200A | RTZ‑300A |
|---|---|---|---|---|---|---|---|
| 1‑10 | 0.02 | 150 | 200 | 510 | 1140 | 1500 | 2110 |
| 0.05 | 230 | 288 | 710 | 1800 | 2050 | 3200 | |
| 0.10 | 340 | 410 | 1050 | 2410 | 3100 | 4700 | |
| 0.15 | 420 | 540 | 1370 | 2700 | 3800 | 5300 | |
| 0.20 | 550 | 650 | 1650 | 4250 | 4600 | 6000 | |
| 0.30 | 725 | 860 | 2200 | 5600 | 7500 | 8000 | |
| 0.40 | 900 | 1100 | 2750 | 5900 | 9000 | 1800 | |
| 10‑30 | 0.02 | 120 | 150 | 3870 | 1000 | 1400 | 2000 |
| 0.05 | 210 | 280 | 650 | 1500 | 2200 | 3500 | |
| 0.10 | 340 | 400 | 1030 | 2600 | 3400 | 4800 | |
| 0.15 | 420 | 540 | 1370 | 3410 | 4100 | 5500 | |
| 0.20 | 550 | 650 | 1650 | 4200 | 5050 | 6600 | |
| 0.30 | 725 | 850 | 2200 | 5400 | 6500 | 8400 | |
| 0.40 | 900 | 1100 | 2750 | 5900 | 7700 | 15000 |
Overall Dimension Table
| Model Specification | Main Dimensions (mm) | Inlet & Outlet FlangeGB/T9119‑2000 | |||
|---|---|---|---|---|---|
| L | H1 | H | D | ||
| RTZ‑50/0.4KQ | 254 | 115 | 630 | 330/436 | DN50 PN1.6 |
| RTZ‑80/0.4KQ | 280 | 125 | 650 | 330/436 | DN80 PN1.6 |
| RTZ‑100/0.4KQ | 350 | 150 | 750 | 435/515 | DN100 PN1.6 |
| RTZ‑150/0.4KQ | 450 | 210 | 870 | 435/515 | DN150 PN1.6 |
| RTZ‑200/0.4KQ | 450 | 210 | 870 | 435/515 | DN200 PN1.6 |
| RTZ‑250/0.4KQ | 580 | 241 | 885 | 319/406 | DN250 PN1.6 |
| RTZ‑300/0.4KQ | 600 | 280 | 950 | 515/600 | DN300 PN1.6 |