Manufacturer: Sanko Air Plant Ltd.
Model: GRW/GRP/GR
Features
- Replacement type for conventional type (GR).
- Applicable at low differential pressure (≤ 0.1 MPa).
- Upper and lower flanges: circular, per piping standards.
- Flange options to JIS 10K, JIS 5K, JPI, and ASME; standard design includes flange thickness; versions excluding standard flange thickness available on request.
- Rotary valve (GRP) with rectangular flange available on request.
Specifications

| Model No. | Bore B (inch) | Face-to-Face H (mm) | L (mm) |
|---|
| GRW(GRP)30 | 5 | 300 | 533 |
| GRW(GRP)50 | 6 | 330 | 560 |
| GRW(GRP)70 | 8 | 350 | 670 |
| GRW(GRP)120 | 10 | 420 | 720 |
| GRW(GRP)220 | 12 | 490 | 792 |
| GRW(GRP)400 | 14 | 585 | 986 |
| GRW(GRP)600 | 16 | 645 | 1036 |
| GRW(GRP)800 | 18 | 700 | 1166 |