HTRBT/HTRBF balanced series high temperature back pressure valve, adopts balanced double-piston design, stabilises upstream pressure, smoother pressure control, control high precision, quick response, used for high temperature liquid and high temperature gas tubing. Widely used where high flow capacity, high reliability, wide pressure range and high accuracy are required.


➣ Balanced double-piston design
➣ control high precision
➣ operated convenient
➣ 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: 1-4, 4-8, 8-12, 12-16, 16-22bar |
| Safety Test Pressure: 1.5 times of max. Inlet pressure |
| Temperature Range: 100℃ to +230℃ |
| Leak rate: 2×10-8atmcc/secHe |
| Cv value: 2.6, 4.1, 6.6, 11, 13, 17, 75, 80, 120 |
| Body: 316L, 304, stainless steel pTFE-lined |
| Bonnet: 304 |
| Valve Seat: VITON, PTFE, PEEK |
| Spring: 304 |
| Plug Stem: 304, 316L |
| O-ring: EPDM, Viton, PTFE, RPTFE |
| Models | Size | Ports thread / flange | Cv value |
| Threaded back pressure valve HTRBT Flanged back pressure valve HTRBF |
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 | ||
| HTRBT thread high temperature back pressure valve HTRBF flange high temperature back pressure valve |
L:316L S:304 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) Others available on request |
G:1Mpa D:2Mpa F:3Mpa |
G:1-4bar H:4-8bar K:8-12bar L:12-16bar M:16-22bar |
W: Without pressure gauge G: With pressure gauge (MPa) P: With pressure gauge (Psig/bar) |
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