Externally controlled globe-type control valve for the regulation of pressure and flow rate in drinking water pipelines and service areas. DN 50–200, PN 10/16/25. The control characteristic is adapted to operating conditions by means of a finely slotted stainless steel cylinder serving as control insert — cavitation-free regulation. Pressure-balanced compensation cylinder ensures low actuating torques. Available with handwheel, electric actuator, or float actuating system for tank level control.
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▸ Key Features
- Globe valve design with rising stem and position indicator
- Finely slotted stainless steel cylinder as standard control insert — cavitation-free regulation
- Control characteristic adaptable to specific operating conditions
- Low actuating torque due to pressure-balanced compensation cylinder
- Compensation cylinder sealed with Quad Ring
- Chambered and pull-out proof profiled sealing ring
- Welded valve seat — enhanced resistance to wear
- Float actuating system variant for direct tank level control without external power
▸ Technical Specifications
| Parameter | Value |
|---|---|
| Valve type | Globe-type control valve, externally controlled |
| Nominal diameters | DN 50 – 200 |
| Nominal pressure | PN 10 / 16 / 25 |
| Face-to-face length | EN 558, series 1 |
| Flanges | EN 1092-2, both sides |
| Medium | Water |
▸ Materials
| Component | Material |
|---|---|
| Body | Ductile iron EN-GJS-400-15 (GGG-40) |
| Bonnet | Ductile iron EN-GJS-400-15 (GGG-40) |
| Stem | Stainless steel 1.4057 |
| Compensation cylinder | Stainless steel 1.4301 |
| Slotted cylinder (control insert) | Stainless steel 1.4301 |
| Valve sealing | EPDM (profiled sealing ring) |
| Compensation cylinder seal | Quad Ring |
| Coating | Internally and externally epoxy coated acc. to GSK guidelines |
▸ Available Variants
▸ Applications
- Water treatment — pressure and flow regulation
- Water distribution — pressure management in service areas
- Power plants
- Industry — process water control
- Pressure management — pressure reducing stations
- Tank level control (float variant)