
Product codes & specifications
| Product code | Spec | ||
|---|---|---|---|
| GEMÜ 656 | Actuator: Pneumatic | Size: DN 25-250 | Body: EN-GJL-250/EN-GJS-400-18-LT | Pmax: 7 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 656: pneumatically operated full bore diaphragm valve for industrial and abrasive or corrosive media. Available with pneumatic actuation and nominal sizes DN 25-250.
| Type | GEMÜ 656 |
|---|---|
| Actuator | Pneumatic |
| Connection | Flange |
| Body material | EN-GJL-250, cast iron material; EN-GJS-400-18-LT, SG iron material; EN-GJS-500-7, ductile iron material |
| Nominal sizes | DN 25 (1"); DN 40 (1 1/2"); DN 50 (2"); DN 65 (2 1/2"); DN 80 (3"); DN 100 (4"); DN 125 (5"); DN 150 (6"); DN 200; DN 250 |
| Max. operating pressure | 7 bar |
| Max. media temperature | 100 °C |
| Product group | Industrial diaphragm valves |
| Source | GEMÜ product overview: Industrial diaphragm valves |
| GEMÜ 656 | Actuator: Pneumatic | Size: DN 25-250 | Body: EN-GJL-250/EN-GJS-400-18-LT | Pmax: 7 bar | Tmax: 100 °C |
Need a different model, or a part not listed here? Send us your parts list →
GEMÜ 656
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 656 | Actuator: Pneumatic | Size: DN 25-250 | Body: EN-GJL-250/EN-GJS-400-18-LT | Pmax: 7 bar | Tmax: 100 °C |
Need a different model, or a part not listed here? Send us your parts list →