Model: VT1MH (Manual), AT1* (Automatic)
Featuring a near-linear flow characteristic and using highly reliable next-generation rubber, this valve delivers outstanding leak prevention. Its original design ensures high sealing performance even at low torque, and the bayonet structure makes diaphragm replacement easy, with a floor stand included as standard.


| Size Range | 15mm - 50mm (1/2 inch - 2 inch) |
| Body Material | U-PVC, C-PVC, PP, PVDF |
| Seal/Diaphragm Material | EPDM, PTFE |
| O-Ring Material | EPDM, FKM |
| Connection (Socket) | JIS, DIN, ANSI, BS |
| Connection (Threaded) | Rc, Rp, NPT |
| Max Working Pressure | 1.0 MPa {10.2 kgf/cm²} (room temperature) |
| Operating Temperature Range (U-PVC) | 0℃ ~ 50℃ |
| Operating Temperature Range (C-PVC) | 0℃ ~ 90℃ |
| Operating Temperature Range (PP) | -20℃ ~ 80℃ |
| Operating Temperature Range (PVDF) | -20℃ ~ 100℃ |
| Compatible Actuator (Pneumatic) | TYPE AN |
| Compatible Actuator (Electric) | TYPE H, TYPE M |
| Model Code (Manual) | V (manual) - T1 (true union) - MH (round handle) - [Body Material] - [Seal Material] - [Connection] - [Standard] - [Size] |
| Model Code (Automatic) | A (automatic) - T1 (true union) - [Actuator Type] - [Operation/Power] - [Body Material] - [Seal Material] - [Connection] - [Standard] - [Size] |
| Dimensions (Manual, JIS / DIN, mm) | See catalog image below |
| Dimensions (Manual, ANSI, inch) | See catalog image below |