Water supply law performance standard certification registered product
(Public corporation) Japan Water Works Association Quality Certification Center
We have a list of certified and registered products that meet the standards of the Waterworks Law. For products other than those in the table below, please contact us if you have any requests for products that comply with the Waterworks Law standards.
| Product name | Authentication registration number | Performance items | Model |
|---|---|---|---|
| Pressure control valve (Pressure reducing valve) (Relief valve) | E-157 |
| RD-43N type series RD-44N type series RJ-44N type series RF-44N type series RFJ-44N type series RD-46N type series SL-35N, 35HN type (relief valve) RD-45SN type series RD-45SN type series RD-45 SUN type series RF-45SUN type series RJ-45 SUN type series RFJ-45SUN type series RD-44SN type series |
| Pressure control valve (pressure reducing valve) | E-477 |
| RD-47N type |
| Pressure control valve (pressure reducing valve) | E-551 |
| RC-47N type |
| Pressure control valve (pressure reducing valve) | E-654 |
| RD-31N, 31NW type series RD-32N, 32NW type series |
| Pressure control valve (pressure reducing valve) | E-576 |
| RD-31FN, 31FNW type series RD-32FN, 32FNW type series RD-33FN, 33FNW type series RD-34FN, 34FNW type series RDB-33FN, 33FNW type series |
| Meter unit | M-256 |
| BMU-3 type series BMU-5 type series |
| Meter unit (With pressure reducing valve) | M-262 |
| RMU-3 type series RMU-5 type series |
| Pressure control valve (Pressure reducing valve) | E-240 |
| RD-25SN type RC-44N type series RCJ-44N type series RFC-44N type series RC-45 SUN type series RCJ-45SUN type series RFC-45 SUN type series |
| Pressure control valve (Pressure reducing valve) (Primary pressure control valve) | E-241 |
| WVM-02N type WVMR-02N type WVR-02N type |
| Pressure control valve (Pressure reducing valve) (Primary pressure control valve) | E-242 |
| MD-14CN type RD-14CN type RD-54CN type WVM-02CN type WVR-02CN type WVR-02CN type (FCD) WVR-02CN type (FCD) WVMR-02CN type |
| Pressure control valve (Pressure reducing valve) | E-360 |
| RD-25SRN type |
| Pressure control valve (Pressure reducing valve) (Relief valve) (Primary pressure control valve) | E-442 |
| MD-35FN type RD-20N type series RD-20FN type series RD-35N, 35NW type series RD-36N, 36NW type series RD-35FN, 35FNW type series RD-36FN, 36FNW type series RD-17N type (nominal diameter 100) SL-40EN type SL-37VN type SL-38VN type SL-38EN type |
| Pressure control valve (Pressure reducing valve) (Primary pressure control valve) | E-444 |
| RD-14PN type WVM-02PN type WVR-02PN type WVR-02PN type (FCD) |
| Flow control valve (Constant flow valve) | E-243 |
| FD-6N type |
| Flow control valve (Constant flow valve) | E-447 |
| WVF-02PN type |
| Flow control valve (Constant flow valve) | E-448 |
| WVF-02CN type |
| Flow control valve (Constant flow valve) | E-451 |
| WVF-02N type |
| Flow control valve (Constant flow valve) | E-585 |
| FD-9N type FD-10N type FD-11N type FD-13N type |
| Flow control valve (Constant flow valve) | E-684 |
| FD-12 type FD-14 type |
| Water level control valve (Constant water level valve) | E-158 |
| LP-8N type (nominal diameter 25-50) LP-8AN type (nominal diameter 25-50) LP-8HN type (nominal diameter 20-50) LP-8AHN type (nominal diameter 20-50) LP-9N type LP-9HN type |
| Water level control valve (Constant water level valve) | E-159 |
| LP-8RN type (nominal diameter 20-50) LP-8ARN type (nominal diameter 20-50) LP-9RN type |
| Water level control valve (Constant water level valve) | E-160 |
| LP-8N type (nominal diameter 65-100) LP-8HN type (nominal diameter 65-100) WVL-02N type |
| Water level control valve (Constant water level valve) | E-161 |
| LP-8RN type (nominal diameter 65-100) |
| Water level control valve (Constant water level valve) | E-678 |
| LP-10 type LP-10H type |
| Water level control valve (Constant water level valve) | E-441 |
| WVL-02CN type |
| Water level control valve (Constant water level valve) | E-445 |
| WVL-02PN type |
| Ball tap for water tank | D-68 |
| LB-2N type |
| Ball tap for water tank | D-90 |
| LB-3 type |
| Temperature control valve (Mixing valve) | E-604 |
| JRG3400N type |
| Temperature control valve (Mixing valve) | E-633 |
| TR-4N type |
| Temperature control valve (temperature on-off valve) | E-659 |
| JRG6320 N type series |
| Pipeline protection valve (Air vent valve) (Intake / exhaust valve) (Vacuum breaker) | E-244 |
| AF-17N type series AF-5N type AFV-1N type AFV-4N type VD-2N type |
| Pipeline protection valve (Air vent valve) | E-245 |
| AF-6N type |
| Pipeline protection valve (Air vent valve) (Intake / exhaust valve) | E-246 |
| AF-9 type series AF-10 type series AFV-5 type |
| Pipeline protection valve (Air vent valve) | E-435 |
| AF-4CN type |
| Pipeline protection valve (Air vent valve) | E-458 |
| AF-4SN type |
| Pipeline protection valve (vacuum breaker) (Air vent valve) | E-573 |
| VD-5HN type AF-22N type VD-7N type |
| Electromagnetic control valve (solenoid valve) | E-247 |
| DS-11LN type WS-12N type (nominal diameter 65) WS-12CN type (nominal diameter 65) WF-12N type (nominal diameter 65) WF-12CN type (nominal diameter 65) WS-18N type WS-18AN type WS-22N type WS-22CN type WF-22N type WF-22CN type WS-23N type WS-23CN type WS-38N, 38AN type WS-39N, 39AN type WS-40N type |
| Electromagnetic control valve (solenoid valve) | E-679 |
| DS-16 type WS-25N type WS-25CN type WF-25N type WF-25CN type |
| Electromagnetic control valve (solenoid valve) | E-248 |
| WVE-02N type |
| Electromagnetic control valve (solenoid valve) | E-431 |
| EIT-2DN type EIT-2AN type |
| Electromagnetic control valve (solenoid valve) | E-438 |
| EIT-3DN type EIT-3AN type |
| Electromagnetic control valve (solenoid valve) | E-446 |
| WVE-02PN type |
| Electromagnetic control valve (solenoid valve) | E-449 |
| WVE-02CN type |
| Electromagnetic control valve (solenoid valve) | E-465 |
| EIT-4DN, 4AN type |
| Open / close control valve (Electric valve) | E-219 |
| BM-7SN type (nominal diameter 15 to 50) |
Open / close control valve (mechanical emergency shutoff valve) (Ball type electric valve) (spring return ball type electric valve) (capacitor return ball type electric valve) (Ball type stop cock) | E-487 |
| BM-12SN type (nominal diameter 15 to 25) BM-13SN type BM-13SHN type BM-12SRN, 12SRCN type (nominal diameter 15-25) BM-13SRN, 13SRCN type BM-12CRN, 12CRCN type (nominal diameter 15 to 25) BM-13CRN, 13CRCN type BM-16SN type BM-16SHN type EIM-3N type MT-33DN type BN-30N type |
| Open/close control valve (emergency shutoff valve) | E-459 |
| MR-5N type MRS-4N type |
| Open/close control valve (emergency shutoff valve) | E-460 |
| MR-5CN type MRS-4CN type |
| Open/close control valve (emergency shutoff valve) | E-696 |
| EIM-7N type |
| Open/close control valve (emergency shutoff valve) | E-697 |
| EIM-7CN type |
Open / close control valve (mechanical emergency shutoff valve) (Ball type electric valve) (spring return ball type electric valve) (capacitor return ball type electric valve) | E-452 |
| EIM-2N type MT-32DN type BM-14SN type (nominal diameter 15 to 50) BM-14SRN, 14SRCN type BM-14CRN, 14CRCN type |
| Check valve (Spring type) | F-62 |
| CS-1USN type CS-2USN type CS-3SSN type CS-4N type |
| Check valve | F-113 |
| CS-7N type CS-2SSN type |
| Check valve (double check valve) | F-113 |
| No.007N type |
| Decompression type check valve (decompression type check valve) | F-115 |
| No.009 N type |
| Water hammer preventer | I-8 |
| WHA-1N type |
| Water hammer preventer | I-38 |
| WHA-6 type WHA-6F type |
| Other (strainer) | Z-54 |
| KY-4N type |
| Other (strainer) | Z-56 |
| KT-1CN type (main body FC) KT-1CN type (main body made by FCD) KY-6CN type KU-1CN type KT-8CN type |
| Other (strainer) | Z-223 |
| KU-2N type KY-7N type KT-5W type KT-5FW type |
| Other (strainer) | Z-231 |
| KT-1PN type KT-1PN type (main body made of FCD) KU-1PN type (main body FC) KT-8PN type |
| Screw-in joint type joint | G-609 |
| BN-10 type BN-11 type BN-12 type |
