Fushiman Co.
Fushiman PFD42-10K/16K Back Pressure Regulating Valves

Manufacturer: Fushiman Co.,LTD.
Model: PFD42-10K/16K
RFD42-10K Type Primary Pressure Regulating Valve
RFD42-16K Type Primary Pressure Regulating Valve
| Model | Nominal Diameter | Primary Pressure Setting Range | Maximum Operating Temperature | Body Material | Connection |
|---|---|---|---|---|---|
| RFD42-10K/16K | 40~150 | 0.1~1.6MPa | 90℃ | FC, FCD | Flange |
(Foundation) Japan Fire Equipment Safety Center Registered Certified Product
- Certification Number VA-036 (JIS10K Product)
- Certification Number VA-037-1 (JIS16K Product)
Applicable Scope and Functions
- Maintains the internal pipe pressure on the discharge side of the pressure-supply water equipment within a specified range.
- Applicable for indoor fire hydrant equipment, sprinkler systems, water mist fire suppression systems, outdoor fire hydrant equipment, interconnected water supply systems, and foam fire suppression systems.
Specifications
| Nominal Diameter | 40 | 50 | 65 | 80 | 100 | 125 | 150 |
|---|---|---|---|---|---|---|---|
| Maximum Primary Side Operating Pressure | 1.0MPa / 1.6MPa (1) | ||||||
| Set Pressure Adjustment Range | 0~0.65, 0.6~1.0MPa / 0.6~1.6MPa (1) | ||||||
| Pressure Difference Between Primary and Secondary Side | 0.04 ~ 1.0MPa / 0.04 ~ 1.6MPa | ||||||
| Operating Temperature | MAX. 90℃ | ||||||
| Rated Cv Value | 22.5 | 40 | 63 | 90 | 160 | 250 | 360 |
| Maximum Flow Rate (ℓ/min) | 533 | 800 | 1300 | 2000 | 3000 | 5000 | 7700 |
| Offset | If the set pressure is 0.8MPa or higher: within 10% of the set pressure If the set pressure is below 0.8MPa: within 0.08MPa | ||||||
| Minimum Differential Pressure | 0.04MPa | ||||||
| Minimum Adjustable Flow Rate | 5~152 ℓ/min | ||||||
| Shutoff Pressure Drop | If the set pressure is 0.8MPa or higher: within 10% of the set pressure If the set pressure is below 0.8MPa: within 0.08MPa | ||||||
| Primary Pressure Adjustment Mechanism (Valve Type) | Pilot-operated | ||||||
| Main Components Material (Main Valve Body) | FCD450 | FC200 | |||||
| Installation Conditions | Install upright in horizontal piping or horizontally in vertical piping | ||||||
Note (1): Please specify the primary side pressure and the set pressure.
Dimensions and Weight
(mm, kg)
| Nominal Diameter | 40 | 50 | 65 | 80 | 100 | 125 | 150 | |
|---|---|---|---|---|---|---|---|---|
| Valve Body: Cast Iron JIS10K | L | 220 | 260 | 290 | 330 | 390 | 470 | 530 |
| H1 | 75 | 90 | 97 | 110 | 125 | 155 | 175 | |
| H2 | 260 | 280 | 300 | 300 | 320 | 320 | 345 | |
| A | 110 | 120 | 135 | 145 | 180 | 200 | 220 | |
| E | 125 | 113 | 105 | 125 | 147 | 177 | 207 | |
| Weight (kg) | 16 | 20 | 32 | 39 | 62 | 94 | 138 | |
| Valve Body: Cast Iron JIS16K | L | 220 | 260 | 290 | 334 | 394 | 474 | 534 |












