

| P. NO. | NAME OF PART | MATERIAL | SPECIFICATION |
|---|---|---|---|
| 1 | BODY | CAST IRON | IS 210 Gr. FG260 |
| 2 | H.P COVER | CAST IRON | IS 210 Gr. FG260 |
| 3 | LOW PR. COVER | CAST IRON | IS 210 Gr. FG260 |
| 4 | COWL | CARBON STEEL | IS 2062 |
| 5 | JOINT SUPPORTING RING | CARBON STEEL | IS 2062 |
| 6 | L.P. SEAT RING | NATURAL RUBBER SHORE HARDNESS 70 ±5° | |
| 7 | H.P. ORIFICE | STAINLESS STEEL | ASTM A182 Gr. F6a |
| 8 | H.P. ORIFICE PLUG | STAINLESS STEEL | ASTM A182 Gr. F6a |
| 9 | BALL FOR H.P. CHAMBER | EONETE COATED WOODEN BALL SHORE HARDNESS 80 ±5° | |
| 10 | BALL FOR L.P. CHAMBER | EONETE COATED WOODEN BALL SHORE HARDNESS 100 ±5° | |
| 11 | GASKET | E.P.D.M. | |
| 12 | GASKET | E.P.D.M. | |
| 13 | STUDS & NUTS FOR H.P. COVER | H.T. STEEL & ALLOW STEEL | ASTM A 193 Gr. B7 & ASTM A194 Gr.2H |
| 14 | STUDS & NUTS FOR L.P. COVER | H.T. STEEL & ALLOW STEEL | ASTM A 193 Gr. B7 & ASTM A194 Gr.2H |
| 15 | STUDS & NUTS FOR COWL | H.T. STEEL & ALLOW STEEL | ASTM A 193 Gr. B7 & ASTM A194 Gr.2H |
| 13 | NAME PLATE | STAINLESS STEEL | TYPE 316 |


| SIZE (mm) | 50 | 80 | 100 | 150 | 200 |
|---|---|---|---|---|---|
| ~A | 280 | 305 | 360 | 487 | 700 |
| ~C | 211 | 236 | 280 | 450 | 506 |
| ~B | 352 | 373 | 424 | 674 | 739 |
| ∅E | 50 | 80 | 100 | 150 | 200 |
| ∅D | 165 | 200 | 220 | 285 | 340 |
| T | 16 | 21 | 22 | 23 | 24.5 |
| K | 125 | 160 | 180 | 240 | 295 |
| n | 4 | 4 | 8 | 8 | 8 |
| ∅d | 19 | 19 | 19 | 23 | 23 |
INTRODUCTION
The inclusion of air in water can have a very considerable negative effect on the functioning of a pipeline system, such as
| Rating | PN-1.6 |
|---|---|
| Body (Hyd.) | 24 Bar |
| Seat (Hyd.) | 17.6 Bar |