✅ Maintenance-free design with soft sealing (up to 120°C)
✅ Optimized Zeta-values for efficient flow performance
✅ Standard position indicator for easy monitoring
✅ Throttle plug function for precise flow control
✅ Non-rising handwheel for compact installation
✅ Double-sealing mechanism for enhanced safety
✅ Optional travel limiter and locking device (DN200)
✅ Complete insulation possible according to Energy Saving Order (EnEV)
Technical Specifications
Valve Types & Configurations
- Straight-through stop valve with flanges (Fig. 070/071)
- Hood valve stop valve with flanges (Fig. 072/073)
- Straight-through stop valve with screwed socket connection (Fig. 076)
- Hood valve stop valve with screwed socket connection (Fig. 078)
Material Options
| Component | Material |
|---|---|
| Body | Grey Cast Iron (EN-JL1040, EN-GJL-250) |
| Bonnet | Grey Cast Iron (EN-JL1040, EN-GJL-250) |
| Plug | Grey Cast Iron (EN-JL1040, EN-GJL-250) / EPDM |
| Sealing Ring | EPDM 70 |
| Stem | Stainless Steel X20Cr13+QT (1.4021+QT) |
| Handwheel | PA 6 (DN15-100), Epoxy-Coated Steel (DN125-150), Ductile Iron (DN200) |
| O-Ring | EPDM 70 |
Nominal Pressure & Temperature Ratings
- Nominal Pressure Ratings: PN6 – PN16
- Operating Temperature: -10°C to +120°C (Short-term up to 130°C)
- Flange Connections: DIN EN 1092-1 / 2
- Screwed Socket Connections: DIN ISO 228-1
Dimensions & Installation Details
- Face-to-Face Lengths:
- FTF-14 (Standard)
- FTF-1 (Optional for some models)
- Handwheel Diameter:
- Reduced for DN125 and above
- Insulating Cap:
- Integrated dew point barrier
- Additional DN200 Features:
- Self-aligning stem bearing
- EDD-special stem seal