
Product codes & specifications
| Product code | Spec | ||
|---|---|---|---|
| GEMÜ 643 | Actuator: Manual | Size: DN 15-40 | Body: 1.4435 | Pmax: 10 bar | Tmax: 100 °C |
Need a different model, or a part not listed here? Send us your parts list →
Industrial parts direct from Korea — Send your RFQ, get a quote within 1 business day
Automation & Electrical
Fluid Power & Motion
Tools & Measuring
Facility & Safety
Construction & Building
Can't find your part? Send the part number — we source directly from Korean makers and quote within 1 business day.
GEMÜ 643: manually operated tank valve for hygienic pharmaceutical, biotech and food processes. Available with manual actuation and nominal sizes DN 15-40.
| Type | GEMÜ 643 |
|---|---|
| Actuator | Manual |
| Connection | Clamp; Flange; Spigot; Threaded connection |
| Body material | 1.4435 (316L), forged material; 1.4435 (BN2), forged material |
| Nominal sizes | DN 15 (1/2"); DN 20 (3/4"); DN 25 (1"); DN 32 (1 1/4"); DN 40 (1 1/2") |
| Max. operating pressure | 10 bar |
| Max. media temperature | 100 °C |
| Min. media temperature | -10 °C |
| Sterilisation temperature | max. 150 °C |
| Product group | Sanitary diaphragm valves |
| Source | GEMÜ product overview: Sanitary diaphragm valves |
| GEMÜ 643 | Actuator: Manual | Size: DN 15-40 | Body: 1.4435 | Pmax: 10 bar | Tmax: 100 °C |
Need a different model, or a part not listed here? Send us your parts list →
GEMÜ 643
Send the GEMÜ part numbers and quantities through our RFQ form or to info@prosourcemro.com. We confirm price, availability and lead time within 1 business day — no account needed.

| Product code | Spec | ||
|---|---|---|---|
| GEMÜ 643 | Actuator: Manual | Size: DN 15-40 | Body: 1.4435 | Pmax: 10 bar | Tmax: 100 °C |
Need a different model, or a part not listed here? Send us your parts list →