Description
ADCA PRV25 Pressure Regulator
The ADCA PRV25 pressure regulator is an extremely efficient and reliable tool, ideal for applications involving steam, compressed air, water, and other compatible gases and liquids. Designed to reduce steam pressure at points of use, the PRV25 is perfect for laundries, dyeing facilities, food industries, and sterilizers.
Usage Features:
- Suitable for saturated steam, compressed air, water, and other liquids and gases compatible with its construction.
- Ensures stable and precise pressure regulation, enhancing the efficiency and safety of your processes.
Available Variants:
- PRV25/2S and PRV25/2SG – Made of steel.
- PRW25/2S – Steel (with soft sealing).
- PRV25i and PRV25iG – Made of stainless steel.
Dimensions:
- 1/2”
- 3/4”
- 1”
and
- DN15
- DN20
- DN25
| LIMITING CONDITIONS | |||
| Valve model | PRV25/2S PRV25i | PRV25/2SG PRV25iG | PRW25/2S PRW25i |
| Body design conditions | PN 25 | PN 25 | PN 25 |
| Maximum upstream pressure | 17 bar | 17 bar | 14 bar |
| Maximum downstream pressure | 8,6 bar | 8,6 bar | 8,6 bar |
| Minimum downstream pressure | 0,14 bar | 0,14 bar | 0,35 bar |
| Maximum design temperature | 210 ºC | 200 ºC | 80 ºC |
| Maximum recommended reducing ratio | 10:1 | 10:1 | 10:1 |
| Maximum dome loading pressure | 8,6 bar | 8,6 bar | 8,6 bar |
| FLOW RATE COEFFICIENTS (m³/h) | |||
| SIZE | 1/2″ – DN 15 | 3/4″ – DN 20 | 1″ – DN 25 |
| Kvs | 1,7 | 2,6 | 3,1 |
Dimensions:
| DIMENSIONS (mm) | ||||||||||||||||
| THREADED | PN 25 | CLASS 150 | CLASS 300 | |||||||||||||
| SIZE | A | B | C | C1 | C2 | C3 | d1 * | d2 ** | F | WGT.
(kg) |
D | WGT.
(kg) |
D | WGT.
(kg) |
D | WGT.
(kg) |
| 1/2″ – DN 15 | 96 | 68,5 | 141 | 242 | 237 | 243 | 1/4″ | 1/4″ | 74 | 3 | 150 | 4,4 | 150 | 4 | 150 | 4,4 |
| 3/4″ – DN 20 | 96 | 68,5 | 141 | 242 | 237 | 243 | 1/4″ | 1/4″ | 74 | 3 | 150 | 5 | 150 | 4,4 | 150 | 5,3 |
| 1″ – DN 25 | 96 | 68,5 | 141 | 242 | 237 | 243 | 1/4″ | 1/4″ | 74 | 2,9 | 160 | 5,5 | 160 | 5,1 | 160 | 5,9 |
| MATERIALS | ||
| POS. Nº | DESIGNATION | MATERIAL |
|
1 |
Body (PRV25/2S and PRW25/2S) | A216 WCB / 1.0619 |
| Body (PRV25i and PRW25i) | A351 CF8M / 1.4408 | |
|
2 |
Cover (PRV25/2S and PRW25/2S) | A216 WCB / 1.0619 |
| Cover (PRV25i and PRW25i) | A351 CF8M / 1.4408 | |
| 3 | * Seat | AISI 316 / 1.4401 |
| 4 | * Gasket | Copper |
| 5 | * Valve plug | Hardened stainless steel |
| 5A | * Valve head | Graphite filled PTFE |
| 5B | * Valve head | NBR |
| 5C | * O-ring | NBR |
| 6 | * Valve spring | AISI 302 / 1.4300 |
| 7 | * Strainer screen | AISI 304 / 1.4301 |
| 8 | Pushrod | AISI 316 / 1.4401 |
| 9 | Bottom cover | A351 CF8M / 1.4408 |
| 10 | * Gasket | Stainless steel / Graphite |
| Bolts (PRV25/2S and PRW25/2S) | Steel 8.8 | |
| 11 | Bolts (PRV25i and PRW25i) | Stainless steel A2-70 |
| 12 | * Guide bush | AISI 316 / 1.4401 |
| 13 | * Plain bearing | Bronze filled PTFE |
| 14 | * Bellows | AISI 316 Ti / 1.4571 |
| 15 | * Bellows gasket | Stainless steel / Graphite |
| 16 | * Adjustment spring | Steel |
| 17 | Top spring plate | Brass |
| 18 | Adjustment screw | AISI 304 / 1.4301 |
| 19 | Spring | AISI 302 / 1.4300 |
| 20 | Adjustment knob | Nylon |
| 20A | Adjustment stem | AISI 304 / 1.4301 |
| 20B | Washer | Stainless steel |
| 20C | Nut | Stainless steel A2-70 |
| 21 | Spring identification plate | Plastic; Aluminium |
| 22 | Retaining washer | AISI 302 / 1.4300 |
| 23 | Bearing | Steel |
| 24 | Pin | AISI 304 / 1.4301 |
| 25 | Cover nut | AISI 303 / 1.4305 |
| 25A | * Gasket | PTFE |
| 25B | * O-ring | EPDM |
| 26 | Retaining ring | Stainless steel A2-70 |
| 30 | Adjustment screw | Stainless steel A2-70 |
| 31 | Nut | Stainless steel A2-70 |
| 32 | Top cap | AISI 303 / 1.4305 |
| * Available spare parts. | ||
