The D15S and D15P pressure reducing valves from Honeywell are robust and proven solutions for pressure control in drinking water, industrial and building services applications. Both types operate diaphragm-controlled and spring-loaded according to the force-balance principle and have inlet pressure compensation so that fluctuations in the inlet pressure do not affect the outlet pressure.
D15S: With patented cartridge insert for easy maintenance and high corrosion resistance.
D15P: Classic pressure reducing valve with non-rising stem and position indicator.
| Feature | D15S | D15P |
| Nominal size | DN 50 – DN 200 | DN 50 – DN 200 |
| Nominal pressure | PN 16 | PN 16 |
| Control medium | Drinking water | Water, oil-free compressed air, nitrogen |
| Temperature range | up to 65 °C | up to 70 °C |
| Max. inlet pressure | 16 bar | 16 bar |
| Back pressure | DN 50-100: 1.5-7.5 bar DN 150-200: 1.5-8 bar | DN 50-150: 1.5-8 bar DN 200: 1.5-6 bar |
| Materials | Body: Ductile cast iron, PA-coated Cartridge: Stainless steel | Body: Cast iron, powder-coated Plug: Brass/steel |
D15S: Drinking water; D15P: Water, oil-free compressed air, nitrogen.
D15S: 65 °C; D15P: 70 °C.
D15S: DVGW, WRAS, KIWA, SVGW; D15P: DIN/DVGW tested.
Yes, e.g. adapter flanges, backflow preventers, strainers.
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