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 RD-44SN type RF-44N type series RFJ-44N type series RJ-44N type series RD-45SN type series RD-45 SUN type series RF-45SUN type series RFJ-45SUN type series RJ-45 SUN type series RD-46N type series RD-57N SL-35N, 35HN type (relief valve) |
| 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) | E-360 |
| RD-25SRN type |
| 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-576 |
| RD-31FN Series RD-32FN Series RD-33FN Series RD-34FN Series RDB-33FN Series RD-56N Series |
| Pressure control valve (Pressure reducing valve) | E-654 |
| RD-31N Series RD-32N Series |
| Pressure control valve (Pressure reducing valve) | E-664 |
| RD-52 type |
| 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) (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 |
| Pressure control valve (Pressure reducing valve) (Primary pressure control valve) | E-444 |
| RD-14PN type WVM-02PN type WVR-02PN type |
| Pressure control valve (Pressure reducing valve) (Relief valve) (Primary pressure control valve) | E-442 |
| RD-17N type (nominal diameter 100) RD-20N type series RD-20FN type series RD-35N Series RD-35FN Series RD-36N Series RD-36FN Series SL-37VN type SL-38EN type SL-38VN type SL-40EN type MD-35FN type |
| 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-441 |
| WVL-02CN type |
| Water level control valve (Constant water level valve) | E-445 |
| WVL-02PN type |
| Water level control valve (Constant water level valve) | E-678 |
| LP-10 type LP-10H 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-5N type AF-17N type series 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-11N type 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-22N type WS-22CN type WF-22N type WF-22CN type WS-43N type (nominal diameter 15-25) WS-43CN type (nominal diameter 15-25) WS-18N type WS-38N type WS-39N 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-431 |
| EIT-2AN type EIT-2DN type |
| Electromagnetic control valve (solenoid valve) | E-438 |
| EIT-3AN type EIT-3DN type |
| Electromagnetic control valve (solenoid valve) | E-248 |
| WVE-02N type |
| Electromagnetic control valve (solenoid valve) | E-446 |
| WVE-02PN type |
| Electromagnetic control valve (solenoid valve) | E-449 |
| WVE-02CN 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 (nominal diameter 25) |
| valve for opening and closing control | E-706 |
| BN-30N type (nominal diameter 20) |
| 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 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 UC-1DN type UC-1PN type UC-1BN 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 |
| KU-1CN type KY-6CN type KT-1CN type (main body FC) KT-1CN type (main body made by FCD) KT-8CN type |
| Other (strainer) | Z-223 |
| KY-7N type KU-2N type KT-3N type KT-5W type KT-5FW type |
| Other (strainer) | Z-231 |
| KT-1PN type KT-1PN type (Main body made by FC) KT-1PN type (main body made of FCD) KT-8PN type |
| Screw-in joint type joint | G-609 |
| BN-10 type BN-11 type BN-12 type |
| Screw-in joint type joint | G-841 |
| UD-1DN type UD-1PN type UD-1BN type |
