Sensitive Back Pressure Valve, Stainless Steel Back Pressure Valve, High-Sensitivity Back Pressure Valve
Sensitive back pressure valve, stainless steel diaphragm pressure transmission, accurate pressure control, for adjusting upstream pressure. Suitable for gases, standard gases, corrosive gases, and liquids, as well as applications requiring sensitive pressure control. Can be mounted on a panel.
Manual Adjustment
High Temperature Regulation
Air-controlled adjustment
Electrically adjustable
Pilot Adjustment
Gas chamber regulation
Electrical Proportional Valve





Design FeaturesDesign features
● Mother and diaphragm are in hard and soft sealing forms
● Available for panel-mounted installation
● Female Thread: 1/4"-1" NPT (F)
Application RangeScope of application
● Laboratory
Gas Analysis Test
Fluid Control
Petroleum Chemical Industry
● Test Equipment
Characteristics ParametersCharacteristic parameters
| * High Pressure Control Range: 400 Psig |
| Design Test Pressure: 150% of rated pressure |
| Leakage Rate: No gas leakage |
| Applicable Temperature: -40℃ to +100℃ (Inquire with technical support for above +100℃) |
| CV Values: 0.08, 0.12, 0.2, 0.6, 1.2, 2 |
Product MaterialProduct material
| Body: 316L, 304, C276, TA2, PVDF, PTFE, Stainless Steel Lined with Fluorine |
| Film Sheets: 316L, C276, PTFE, NBR, VITON, EPDM, PEEK |
| O-rings: NBR, VITON, EPDM, PTFE |
| Valve Seat: PTFE, PCTFE, PEEK, Vespel, 316L |
| Spring: 316L |
| Valve Stem: 316L |
Flow curve graphFlow curve
Mold Hole Position DrawingMatrix bitmap
| Ordering Guidelines | |||||||
| Series Model | Materiale Materno | Maternal hole position | Input Pressure | Pressure Gauge | Inlet type | Venting method | Options |
| TY73 Sensitive Back Pressure Valve HTTY73 High Temperature Back Pressure Valve ATY73 Gas-Controlled Back Pressure Valve XTY73 Pilot Back Pressure Valve LTY73 Liquid Back Pressure Valve GTY73 High-Purity Back Pressure Valve ETY73 Electric Back Pressure Valve EATY73 Electrical Proportional Back Pressure Valve | L | A | D | G | O2 | O2 | P |
| L:316L S:304 C:C276 T:TA2 P:PVDF F:PTFE CF: Fluorine-lined | A B | D:0-400psig G:0-250psig H:0-150psig K:0-50psig | G: Pressure Gauge (Mpa) Pressure Gauge Included (psig/bar) W: Pressure gauge not required | 00:1/4NPT(F) 02:3/8NPT(F) 04:1/2NPT(F) 06:3/4NPT(F) 08:1"NPT(F) Other types of connectors are available for selection. | 00:1/4NPT(F) 02:3/8NPT(F) 04:1/2NPT(F) 06:3/4NPT(F) 08:1"NPT(F) Other types of connectors are available for selection. | Panel mounting | |
Sensitive Back Pressure Valve, Stainless Steel Back Pressure Valve, High-Sensitivity Back Pressure Valve


