Size Range : 2″ to 24″ Flanged
- The working pressure should be greater than 0.3 kgf/cm and gate fully open with
- 1.5 kgf/cm2, please check the pressure before installation.
- Please remove impurities or metal dusts inside the pipe throughly. If possible, please add filter to prevent pipe blocking.
- Vertical and horizontal installation is acceptable. Avoid upside-down installation under insufficient flow.
- Please uses high pressure float ball switch.
| No. | Description | Material | Qty. |
| 1 | Body | WCB / C.I. / D.I. / CF8 / CF8M | 01 |
| 2 | Cover | Stainless Steel 304 / 316 | 01 |
| 3 | Plug | Stainless Steel 304 / 316 | 01 |
| 4 | Piston | Stainless Steel 304 / 316 | 01 |
| 5 | Piston Guide | Stainless Steel 304 / 316 | 01 |
| 6 | Spring For Piston | S. S. 304 | 01 |
| 7 | Piston Cover Lock Bolt | S. S. | 01 |
| 8 | V – Seal For Piston | NBR / Viton / EPDM | 01 |
| 9 | Piston Seat Ring | NBR / Viton / EPDM | 01 |
| 10 | Flat Ring | NBR / Viton / EPDM | 01 |
| 11 | O – Ring For Piston Guide | NBR / Viton / EPDM | 01 |
| 12 | O – Ring For Piston Lock Bolt | NBR / Viton / EPDM | 01 |
| 13 | Float Valve | STD. | 01 |
| Dimensions : (All Dimensions are in mm) | |||||||
| Valve Model | Valve Size | Port | A | L | CV | Weight (Approx.) | |
| MM | Inch | ||||||
| DFF – 50 | 50 | 2″ | 60 | 162.5 | 190 | 75 | 9.880 |
| DFF – 65 | 65 | 2.1/2″ | 69 | 172.5 | 210 | 105 | 12.660 |
| DFF – 80 | 80 | 3″ | 84 | 187.5 | 225 | 140 | 18.280 |
| DFF – 100 | 100 | 4″ | 110 | 200 | 250 | 260 | 24.040 |
| DFF – 125 | 125 | 5″ | 134.5 | 218.5 | 280 | 390 | 50.260 |
| DFF – 150 | 150 | 6″ | 158.5 | 241.5 | 309.5 | 550 | 50.260 |
| DFF – 200 | 200 | 8″ | 208.5 | 279.5 | 419 | 1000 | 93.000 |
| DFF – 250 | 250 | 10″ | 257 | 312.5 | 473 | 1699 | 125.020 |
| DFF – 300 | 300 | 12″ | 302 | 346.5 | 532 | 2200 | 197.540 |
| DFF – 350 | 350 | 14″ | 324 | 390 | 598.4 | 3000 | 265.600 |
| DFF – 400 | 400 | 16″ | 345 | 390 | 634 | 4000 | 279.300 |
| DFF – 450 | 450 | 18″ | 472 | 473 | 766 | 5300 | 458.000 |
| DFF – 500 | 500 | 20″ | 472 | 473 | 772.7 | 6100 | 492.150 |
| DFF – 600 | 600 | 24″ | 589 | 565 | 900 | 9200 | —- |
