RTJ-**GK, GKQ Series Gas Regulator
Get In Touch →Product Features
‑ Precise outlet pressure control with wide application range
‑ Easy maintenance for valve core
‑ No installation and commissioning required for actuator and valve head
‑ Convenient on‑site maintenance
‑ Residual gas from pilot device is not discharged to the outside
‑ Easy operation and convenient on‑line maintenance
‑ High‑efficiency noise‑reduction design
‑ Compact structure for easy installation
Applicable Media: Natural gas, manufactured gas, liquefied petroleum gas, air and other non‑corrosive gases.
Applications: City gate stations, industrial kilns, boilers and gas supply systems for large public users.
Main Technical Parameters
Inlet Pressure P1: 0.02 ~ 2.5 MPa
Outlet Pressure P2: 0.001 ~ 1.6 MPa
Shut‑off Pressure Pb: ≤1.25P2n
Pressure Stabilization Accuracy δ P2: ±10%
Operating Temperature: −40℃ ~ 60℃
Nominal Diameter: DN25, DN50, DN65, DN80, DN100, DN125, DN150, DN200, DN250, DN300
Main Structure and Installation Dimensions
| Model | Nominal Diameter | L | H | D | L₁ | C |
|---|---|---|---|---|---|---|
| RTJ‑25/*GK | DN25 | 197 | 332 | 280 | 380 | 240 |
| RTJ‑50/*GK | DN50 | 267 | 417 | 280/325 | 380/447 | 240/285 |
| RTJ‑65/*GK | DN65 | 260 | 417 | 280/325 | 380/447 | 240/285 |
| RTJ‑80/*GK | DN80 | 318 | 448 | 325/480 | 447/645 | 285/405 |
| RTJ‑100/*GK | DN100 | 368 | 497 | 325/480 | 447/645 | 285/405 |
| RTJ‑125/*GK | DN125 | 360 | 498 | 325/480 | 447/645 | 285/405 |
| RTJ‑150/*GK | DN150 | 473 | 562 | 480/570 | 645/780 | 405/495 |
| RTJ‑200/*GK | DN200 | 515 | 682 | 480/670 | 645/780 | 405/495 |
| RTJ‑250/*GK | DN250 | 480 | 750 | 480/670 | 780 | 495 |
| RTJ‑300/*GK | DN300 | 500 | 780 | 480/670 | 780 | 495 |
Flow Characteristics (Nm³/h)
| Inlet Pressure P₁MPa | Outlet Pressure P₂ | Model | ||||||
|---|---|---|---|---|---|---|---|---|
| RTJ‑25/*GK | RTJ‑50/*GK | RTJ‑80/*GK | RTJ‑100/*GK | RTJ‑150/*GK | RTJ‑200/*GK | |||
| 0.02 | 1‑3 | KPa | 228 | 858 | 1700 | 2680 | ‑ | ‑ |
| 0.05 | 1‑5 | 300 | 1125 | 2300 | 3565 | 6835 | 9145 | |
| 5‑10 | 280 | 1045 | 2144 | 3350 | 6240 | 8460 | ||
| 10‑20 | 245 | 938 | 1930 | 3000 | ‑ | ‑ | ||
| 0.07 | 1‑5 | 450 | 1688 | 3377 | 5360 | 9916 | 13250 | |
| 5‑20 | 375 | 1500 | 3000 | 4743 | 8576 | 12500 | ||
| 10‑30 | 353 | 1313 | 2680 | 4154 | 8084 | 11875 | ||
| 10‑50 | 280 | 1045 | 2144 | 3350 | ‑ | ‑ | ||
| 0.1 | 1‑7 | 560 | 2144 | 4288 | 6700 | 12600 | 17560 | |
| 5‑30 | 520 | 1980 | 4020 | 6300 | 11800 | 16570 | ||
| 30‑50 | 447 | 1688 | 3350 | 5360 | 10184 | 15890 | ||
| 50‑80 | 313 | 1180 | 2385 | 3752 | ‑ | ‑ | ||
| 0.14 | 1‑10 | 683 | 2600 | 5226 | 8710 | 15276 | 19875 | |
| 10‑70 | 562 | 2117 | 4228 | 6700 | 14204 | 19085 | ||
| 70‑100 | 403 | 1688 | 3270 | 5038 | 9916 | 18350 | ||
| 100‑120 | 335 | 1260 | 2546 | 4154 | ‑ | ‑ | ||
| 0.21 0.28 | 0.01‑0.03 | Mpa | 927 | 3510 | 7155 | 11310 | 19900 | 25715 |
| 0.03‑0.1 | 764 | 2948 | 5896 | 9112 | 17420 | 24895 | ||
| 0.21 0.28 | 0.1‑0.15 | MPa | 656 | 2492 | 4958 | 7906 | 15276 | 21925 |
| 0.15‑0.17 | 490 | 1850 | 3752 | 5815 | 11256 | 20745 | ||
| 0.01‑0.07 | 1133 | 4315 | 8763 | 13855 | 24388 | 31500 | ||
| 0.04‑0.15 | 965 | 3618 | 7370 | 11524 | 21440 | 28600 | ||
| 0.15‑0.21 | 737 | 3550 | 5762 | 8844 | 17420 | 26750 | ||
| 0.21‑0.24 | 536 | 2090 | 4154 | 6566 | 9380 | 25980 | ||
| 0.34 | 0.01‑0.10 | 1340 | 5092 | 10344 | 16374 | 28863 | 38785 | |
| 0.10‑0.15 | 1232 | 4690 | 9380 | 14472 | 27336 | 33260 | ||
| 0.15‑0.21 | 1098 | 4073 | 8093 | 12596 | 24656 | 32655 | ||
| 0.21‑0.28 | 857 | 3082 | 6298 | 9916 | 19028 | 31950 | ||
| 0.28‑0.31 | 616 | 2278 | 4609 | 7102 | 12060 | 30500 | ||
| 0.52 0.70 | 0.01‑0.18 | 1860 | 7075 | 14364 | 22700 | 40000 | 55800 | |
| 0.18‑3.4 | 1420 | 5628 | 11256 | 16884 | 32696 | 51670 | ||
| 0.34‑0.41 | 1152 | 4422 | 8844 | 14070 | 27336 | 49810 | ||
| 0.52 0.70 | 0.41‑0.48 | Mpa | 696 | 2680 | 5360 | 8576 | 16884 | 46310 |
| 0.05‑0.24 | 2380 | 9030 | 18358 | 29024 | 51160 | 69000 | ||
| 0.24‑0.4 | 1983 | 7504 | 15008 | 23584 | 45560 | 63500 | ||
| 0.4‑0.52 | 1661 | 6298 | 12864 | 19832 | 33860 | 56200 | ||
0.86 1.0 1.2‑1.6 | 0.05‑0.32 | 2894 | 11014 | 22351 | 35349 | 62310 | 81000 | |
| 0.32‑0.52 | 2412 | 9112 | 18760 | 28944 | 49044 | 69000 | ||
| 0.05‑0.40 | 3403 | 12971 | 26371 | 41674 | 73458 | 106000 | ||
| 0.40‑0.52 | 3082 | 11524 | 23316 | 36716 | 68340 | 85000 | ||
| 0.06‑0.47 | 4448 | 16910 | 34357 | 54323 | 84607 | 130000 | ||
| 0.47‑0.8 | 3939 | 14954 | 30364 | 47998 | 75756 | 110000 | ||
| 1.6‑2.5 | 0.1‑1.6 | 6539 | 24816 | 50384 | 79649 | 140351 | 180000 | |