Primary Pressure Regulating Valves〈The high-pressure gas certifications〉
Pressure on the primary side is regulated by own strength. These are used as relief and control valves for returning fuel oil and lubricating oil of F.O., L.O., etc. at industrial plants and on ships.
| Setting pressure range | Nominal diameter | Model code |
|---|---|---|
| 0.2 to 1.6 MPa | 40A to 150A | S-K422[ ]-WP1M |
| 0.05 to 1.57 MPa | 20A to 150A | S-KPA-[ ]422 |
| 0.2 to 1.6 MPa | 15A to 50A | S-K411[ ]-S/BP1M |
| 0.2 to 1.0 MPa | 20A to 40A | S-K411D-BR1M-I |
| 0.2 to 1.0 MPa | 40A to 100A | S-K422[ ]-WV1M |
| 0.2 to 1.0 MPa | 15A to 50A | S-K411[ ]-S/BV1M |
| 0.05 to 1.0 MPa | 15A to 50A | S-K423C |
| 0.2 to 1.0 MPa | 15A to 50A | S-K411[ ]-S/BF1M |
| 0.02 to 0.15 MPa | 40A to 100A | S-K422[ ]-WD1M |
| 0.02 to 0.2 MPa | 15A to 100A | S-K411[ ]-S/BD1M |
※The minimum and maximum limits are indicated for the setting pressure range for each series.
Note that the pressure of single pressure valves is fixed.
The letter in [ ] in the model indicates the body material of the product. C:SCPH2 S:SCS13A B:CAC406､3 D:FCD400
Note that the pressure of single pressure valves is fixed.
The letter in [ ] in the model indicates the body material of the product. C:SCPH2 S:SCS13A B:CAC406､3 D:FCD400
S-K422[ ]-WP1M
（Production range）
| Nominal diameter | 40A to 150A |
|---|---|
| Setting pressure range | 0.2 to 1.6 MPa |
| Applicable fluid | Liquid |
| Max. service temp. | －20 to 100℃ |
| Body material | FCD,SC,SCS,CAC |
| Detection mechanism |
Piston |
S-KPA-[ ]422
（Production range）
| Nominal diameter | 20A to 150A |
|---|---|
| Setting pressure range | 0.05 to 1.57 MPa |
| Applicable fluid | Liquid |
| Max. service temp. | 5 to 150℃ |
| Body material | FC, SC, SCS |
| Detection mechanism |
Piston |
S-K411[ ]-S/BP1M
（Production range）
| Nominal diameter | 15A to 50A |
|---|---|
| Setting pressure range | 0.2 to 1.6 MPa |
| Applicable fluid | Liquid |
| Max. service temp. | －20 to 100℃ |
| Body material | FCD, SC, SCS, CAC |
| Detection mechanism |
Piston |
S-K411D-BR1M-I
（Production range）
| Nominal diameter | 20A to 40A |
|---|---|
| Setting pressure range | 0.2 to 1.0 MPa |
| Applicable fluid | Liquid |
| Max. service temp. | 0 to 100℃ |
| Body material | FCD |
| Detection mechanism |
Bellofram |
S-K422[ ]-WV1M
（Production range）
| Nominal diameter | 40A to 100A |
|---|---|
| Setting pressure range | 0.2 to 1.0 MPa |
| Applicable fluid | Steam,Liquid |
| Max. service temp. | MAX. 200℃ |
| Body material | FCD, SC, SCS, CAC |
| Detection mechanism |
Bellows |
S-K411[ ]-S/BV1M
（Production range）
| Nominal diameter | 15A to 50A |
|---|---|
| Setting pressure range | 0.2 to 1.0 MPa |
| Applicable fluid | Steam,Liquid |
| Max. service temp. | MAX. 200℃ |
| Body material | FCD, SC, SCS, CAC |
| Detection mechanism |
Bellows |
S-K423C
（Production range）
| Nominal diameter | 15A to 50A |
|---|---|
| Setting pressure range | 0.05 to 1.0 MPa |
| Applicable fluid | Liquid |
| Max. service temp. | 0 to 150℃ |
| Body material | SC |
| Detection mechanism |
Diaphragm |
S-K411[ ]-S/BF1M
（Production range）
| Nominal diameter | 15A to 50A |
|---|---|
| Setting pressure range | 0.2 to 1.0 MPa |
| Applicable fluid | Liquid,Gas |
| Max. service temp. | －20 to 100℃ |
| Body material | FCD, SC, SCS, CAC |
| Detection mechanism |
Diaphragm |
S-K422[ ]-WD1M
（Production range）
| Nominal diameter | 40A to 100A |
|---|---|
| Setting pressure range | 0.02 to 0.15 MPa |
| Applicable fluid | Liquid |
| Max. service temp. | －20 to 60℃ |
| Body material | FCD, SC, SCS, CAC |
| Detection mechanism |
Diaphragm |
S-K411[ ]-S/BD1M
（Production range）
| Nominal diameter | 15A to 100A |
|---|---|
| Setting pressure range | 0.02 to 0.2 MPa |
| Applicable fluid | Liquid,Gas |
| Max. service temp. | －20 to 75℃ |
| Body material | FCD, SC, SCS, CAC |
| Detection mechanism |
Diaphragm |