RBT/RBF series balanced back pressure valve, adopts balanced double-piston design, stabilises upstream pressure, smoother pressure control, control high precision, quick response, used for liquid and gas tubing. Widely used where high flow capacity, high reliability, wide pressure range and high accuracy are required.
Thread connection
Flange connection
High temperature model
Electric control
Electrical proportional valve
Air operated control
Pilot control
➣ 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: -40℃ to ＋100℃(above 100℃ can be custom) |
| 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: NBR, VITON, PTFE, PEEK |
| Spring: 304 |
| Plug Stem: 304, 316L |
| O-ring: NBR, EPDM, Viton, PTFE, RPTFE |
| Models | Size | Ports thread / flange | Cv value |
| Threaded back pressure valve RBT Flanged back pressure valve RBF | 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 guide ORDERING INFORMATION | |||||||
| Series | Material | Thread ports | Inlet pressure | Control pressure | Pressure Gauges | ||
| RBT thread back pressure valve HTRBTHigh Temperature Back Pressure Valves ARBT air operated back pressure valve XRBT pilot back pressure valve LRBT liquid back pressure valve ERBT motorised back pressure valve EARBT proportional 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) | ||
| Ordering guide ORDERING INFORMATION | |||||||
| Series | Material | Size | Inlet pressure | Control pressure | Pressure Gauges | ||
| RBF thread back pressure valve HTRBF high temperature back pressure valve ARBF air operated back pressure valve XRBF pilot back pressure valve LRBF liquid back pressure valve ERBF motorised back pressure valve EARBF proportional 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) | ||
