| NO | Name of parts | Gray cast iron (Z) | Cast steel (C) | Stainless acid resistant cast steel (P) | Stainless acid resistant cast steel (R) | Ultra-low carbon stainless acid resistant cast steel (PL) | Ultra-low carbon stainless acid resistant cast steel (RL) |
|---|---|---|---|---|---|---|---|
| 1 | Body/bonnet | HT250 | WCB | CF8 | CF8M | CF3 | CF3M |
| 2 | Disc/Stem | HT250 | 1Cr13 | 1Cr18Ni9Ti | 1Cr18Ni12Mo2Ti | 00Cr18Ni10 | 00Cr17Ni14Mo2 |
| 3 | Lining/Seat | Natural rubber / Isobutylene–isoprene rubber | Natural rubber / Isobutylene–isoprene rubber | Natural rubber / Isobutylene–isoprene rubber | Natural rubber / Isobutylene–isoprene rubber | Natural rubber / Isobutylene–isoprene rubber | Natural rubber / Isobutylene–isoprene rubber |
| 4 | Diaphragm | Rubber / Fluoroplastic | Rubber / Fluoroplastic | Rubber / Fluoroplastic | Rubber / Fluoroplastic | Rubber / Fluoroplastic | Rubber / Fluoroplastic |
| 5 | Handwheel | HT250 | HT250 | HT250 | HT250 | HT250 | HT250 |
| Nominal pressure | Working pressure | Diameter (mm) | Diameter (inch) | L | D | D1 | N-φd | H1 | H2 | D0 | Weight (kg) |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1.0 | 1.0 | 25 | 1 | 160 | 96 | 115 | 4-14 | 108 | 120 | 66 | 5.5 |
| 1.0 | 1.0 | 32 | 1 1/4 | 180 | 118 | 135 | 4-18 | 138 | 157 | 96 | 8.5 |
| 1.0 | 1.0 | 40 | 1 1/2 | 200 | 135 | 145 | 4-18 | 147 | 167 | 96 | 12.5 |
| 1.0 | 1.0 | 50 | 2 | 230 | 150 | 160 | 4-18 | 167 | 192 | 96 | 17 |
| 1.0 | 1.0 | 65 | 2 1/2 | 290 | 182 | 180 | 4-18 | 194 | 229 | 165 | 24.5 |
| 1.0 | 1.0 | 80 | 3 | 310 | 210 | 195 | 4-18 | 212 | 252 | 230 | 33.5 |
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