VALSTEAM ADCA — PORTUGAL
Valsteam ADCA Pressure Reducing Valves
Robust direct-acting and pilot-operated PRVs for industrial steam, compressed air, and water systems. IBR-approved variants available for Indian boiler installations.
VALSTEAM ADCA — DIRECT ACTING
PR Series — Direct-Acting Pressure Reducing Valves
The PR series offers reliable self-contained pressure reduction for steam mains, process plants, and utility headers. Spring-and-diaphragm design allows easy field adjustment.
PR10 Direct-Acting PRV

VALSTEAM ADCA
PR10 Direct-Acting PRV
Size: DN 15–50 (½"–2") | Inlet Pressure: up to 16 bar g | Outlet Range: 0.5–10 bar g | Temp: up to 185°C (saturated steam) | Body: Carbon Steel / Cast Iron | Connection: Screwed BSP/NPT | Media: Steam, air, water | IBR Approved | Compact design for tight spaces
PR15 Direct-Acting Balanced PRV

VALSTEAM ADCA
PR15 Direct-Acting Balanced PRV
Size: DN 15–100 (½"–4") | Inlet Pressure: up to 16 bar g | Outlet Range: 0.3–12 bar g | Temp: up to 200°C | Body: Carbon Steel | Connection: Screwed or flanged | Feature: Balanced seat reduces inlet pressure effect on setpoint | Higher Cv than PR10
PR20 Direct-Acting PRV (High Capacity)

VALSTEAM ADCA
PR20 Direct-Acting PRV (High Capacity)
Size: DN 25–100 | Inlet Pressure: up to 16 bar g | Outlet Range: 0.5–13 bar g | Body: Ductile Iron / Carbon Steel | Connection: Flanged RF | Feature: Large diaphragm area for stable control under fluctuating loads | Applications: Large steam distribution headers
VALSTEAM ADCA — PILOT OPERATED
PR Series — Pilot-Operated PRVs
For applications where high flow capacity and close pressure regulation are both required. The pilot valve senses downstream pressure and drives the main valve for accurate, load-independent control.
PR25 Pilot-Operated PRV

VALSTEAM ADCA
PR25 Pilot-Operated PRV
Size: DN 25–150 (1"–6") | Inlet Pressure: up to 16 bar g | Outlet Range: 0.2–12 bar g | Temp: up to 200°C | Body: Carbon Steel | Connection: Flanged EN 1092 | Accuracy: ±0.2 bar | High Cv for large steam users | Pilot valve field-adjustable | IBR Approved
PR30 Pilot-Operated PRV (High Pressure)

VALSTEAM ADCA
PR30 Pilot-Operated PRV (High Pressure)
Size: DN 25–200 | Inlet Pressure: up to 25 bar g | Outlet Range: 1–16 bar g | Temp: up to 220°C | Body: Carbon Steel | Connection: Flanged ASME B16.5 / EN 1092 | Feature: Suitable for high-pressure steam mains; stainless internals; external pilot sensing line
Request Valsteam ADCA PRV Pricing
PureSys India is an authorized Valsteam ADCA distributor. Contact us for technical datasheets, IBR certification, and competitive pricing across India.