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| Dimensions For Fig. S2 | |||
| Valve Size | B (Min) | C.SQ. (Min) | Suitable For Main Size |
| 25 | 202 | 164 | Up to 100 |
| 40 | 237 | 180 | Up to 100 |
| 50 | 287 | 180 | 125 to 200 |
| Dimensions For Fig. DSI | ||||
| Valve Size | A (Min) | B (Min) | C (Min) | Suitable For Main Size |
| 40 | 442 | 210 | 371 | Up to 100 |
| 50 | 442 | 210 | 407 | 125 to 200 |
| 80 | 504 | 236 | 431 | 225 to 350 |
| 100 | 634 | 280 | 501 | 400 to 500 |
| 150 | 862 | 430 | 620 | 600 to 900 |
| 200 | 988 | 506 | 735 | 1000 to 1200 |
| Legends | |||||
| 1 | Body | 9 | Gland | 17 | Valve Cover |
| 2 | Low Pressure Cover | 10 | Cap | 18 | Valve Disc |
| 3 | Cowl | 11 | Seat Ring | 19 | High Pressure Cover |
| 4 | Joint Support Ring | 12 | Nut For Spindle | 20 | Packings |
| 5 | L.P. Seat Ring | 13 | Spindle | 21 | Gasket |
| 6 | Ferrule | 14 | H.P. Orifice Cover | 22 | Valve |
| 7 | Ball for L.P. Chamber (Float) | 15 | H.P. orifice Plug | 23 | Valve Holder |
| 8 | Bolts & Buts | 16 | Ball For H.P. Chamber (Float) | 24 | Guide Bush |
| Bill of Materials | |||||||
| Sl No. | Component/Body | Basic | Alternative | ||||
| Material | Ref to IS No. | Grade or Designation | Material | Ref to IS No. | Grade of Designation | ||
| i ) | Body, Cover, Valve Disk, Stuffing Box, Valve Guide, Cowl, Gland, Cap, Joint Support Ring | Grey Cast Iron | 210 | FG 200 | - | - | |
| ii ) | Stem | High Tenslate Brass | 320 | HTB 1 or HTB 2 | Stainless Steel | 6603 | O4 Cr 17 Ni 12 Mo 2 O4 Cr 18 Ni 10 12Cr 13 |
| iii ) | Low Pressure Seat Ring and Face Ring | Natural Rubber | 11855 | - | EPDM Nitrile Rubber | - | |
| iv ) | High Pressure Orifice | Leaded Tin Bronze | 318 | LTB - 2 | High Tensile Brass Stainless Steel | 320 6603 |
HTB2 O4 Cr 18 Ni 10 |
| v ) | Stem Nut | Leaded Tin Bronze | 318 | LTB - 2 | High Tensile Brass | 320 | HTB 2 |
| vi ) | Body Seat Ring | Leaded Tin Bronze | 318 | LTB - 2 | Stainless Steel | 3444 | Grade 1 |
| vii ) | Bolts | Carbon Steel | 1363 | Class 4.6 | Stainless Steel | 6603 | - |
| viii ) | Nuts | Carbon Steel | 1363 | Class 4 | Stainless Steel | 6603 | - |
| ix ) | Gasket | Rubber | 638 | Type B | - | - | - |
| x ) | Gland Packing | Juit / Hemp | 5414 | Type III | - | - | - |
| xi ) | Float (Low Pressure Orifice) | Timber Core With Vulcanite Coating | - | - | - | - | - |
| xii ) | Float (High Pressure Orifice) | Timber Core With Rubber Coating | - | - | Stainless Steel | 3444 | - |
| xiii ) | Float Guide | Leaded Tin Bronze | 318 | LTB - 2 | High Tensile Brass | 320 | HTB 1 |
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