HTRLBT/HTRLBF low pressure series high temperature back pressure valve, adopts large diaphragm cover design, designed specifically for micro-pressure and low-pressure service, used for high temperature liquid and gas tubing, very high sensitivity.
➣ Large diaphragm cover design
➣ Pressure regulating high precision.
➣ operated convenient
Temperature: 100℃ to ＋230℃
➣ Low maintenance cost, long maintenance interval, easy assembly and disassembly, simple seat seal inspection and few spare parts
Excellent control performance: Control high precision, fast response, good stability
| ➣ control range: 0-0.1, 0-0.4, 0-0.8, 0-1.5, 0-3bar |
| Safety Test Pressure: 1.5 times of max. Inlet pressure |
| Leak rate: Without gas leakage |
| Temperature Range: 100℃ to ＋230℃ |
| Cv value: 2.6, 4.1, 6.6, 11, 13, 17, 75, 80, 120 |
| Body: 316L, 304, stainless steel pTFE-lined |
| Bonnet: 304 |
| Diaphragm: VITON, PTFE, EPDM, PEEK |
| Valve Seat: NBR, VITON, PEEK |
| Spring: 304 |
| Plug Stem: 304, 316L |
| O-ring: EPDM, Viton, PTFE, RPTFE |
| Models | Size | Ports thread / flange | Cv value |
| Threaded back pressure valve HTRLBT Flanged back pressure valve HTRLBF |
DN15 | 1/2" | 2.6 |
| DN20 | 3/4" | 4.1 | |
| DN25 | 1" | 6.6 | |
| DN32 | 1-1/4" | 11 | |
| DN40 | 1-1/2" | 13 | |
| DN50 | 2" | 17 | |
| DN65 | 2.5" | 75 | |
| DN80 | 3" | 80 | |
| DN100 | 4" | 120 |
| Ordering GuideORDERING INFORMATION | |||||||
| Series | Material | Thread ports | Inlet pressure | Control pressure | Pressure Gauges | ||
| HTRLBT thread high temperature back pressure valve HTRLBF flange high temperature back pressure valve |
G | G | |||||
|
S:304 L:316L CF: PTFE-lined |
1/2"(15) 3/4"(20) 1"(25) 1-1/4"(32) 1-1/2"(40) 2"(50) 2.5"(65) 3"(80) 4"(100) |
G:0.3Mpa D:0.6Mpa F:1Mpa |
F:0-0.1bar G:0-0.4bar H:0-0.8bar K:0-1.5bar L: 0-3bar |
W: Without pressure gauge G: With pressure gauge (MPa) P: With pressure gauge (Psig/bar) |
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