仪表针形截止阀性能规范Specifications
| 仪表针形截止阀公称压力PN Nominal pressure | 2.5 | 4.0 | 6.4 | 16 | 25 | 32 | MPa |
| 壳体试验压力Shell test pressure | 3.75 | 6.0 | 9.6 | 24 | 37.5 | 48 | |
| 高压密封试验压力High pressure seat test | 2.75 | 4.4 | 7.04 | 17.6 | 27.5 | 35.2 | |
| 低压气密封试验压力Low pressure seat test | 0.5～0.7 | ||||||
| 适用介质Applicable medium | C,I水、油品、蒸汽Water,oil,steam | P硝酸类Nitric acid | R醋酸类Acetic acid | ||||
| 适用温度Applicable temperature | C P,R I ≤450℃ ≤560℃ ≤540℃ | ||||||
| PN | PN2.5(25) | PN4.0(40) | PN6.4(64) | PN16(160) | PN25(250) | PN32(320) |
| 型号 Type | J23W-25 J23H-25 J23W-25I J23H-25I J23W-25P J23W-25R | J23W-40 J23H-40 J23W-40P J23W-40R | J23W-64 J23H-64 J23W-64P J23W-64R | J23W-60Ⅲ J23H-160 J23W-160P J23W-160R | J23W-250 J23H-250 J23W-250I J23H-250I J23W-250P J23W-250R | J23W-320 J23H-320I J230W-320P J23W-230R |
| ND | d | H | H1 | L | D0 |
| 6 | 12 | 112 | 122 | 62 | 65 |
| 10 | 14 | 124 | 134 | 76 | 65 |
| 15 | 22 | 145 | 160 | 90 | 100 |
| 20 | 28 | 160 | 160 | 100 | 100 |
| 25 | 34 | 185 | 210 | 105 | 100 |
主要外形尺寸和连接尺寸Main external and connecting dimensions
| 型号Type | DN | G(in) | L | b | H1 | H2 | D0 |
J13H-25 J13H-40 J13W-25P J13W-40P
| 15 | 1/2 | 90 | 18 | 190 | 201 | 65 |
| 20 | 3/4 | 110 | 22 | 214 | 227 | 65 | |
| 25 | 1 | 130 | 26 | 235 | 250 | 80 | |
| 32 | 5/4 | 160 | 27 | 267 | 283 | 100 | |
| 40 | 3/2 | 190 | 30 | 305 | 327 | 120 | |
| 50 | 2 | 220 | 35 | 328 | 353 | 140 | |
J13H-40 J13H-40 J13W-25P J13W-40P | 15 | 1/2 | 90 | 18 | 190 | 201 | 65 |
| 20 | 3/4 | 110 | 22 | 214 | 227 | 65 | |
| 25 | 1 | 130 | 26 | 235 | 250 | 80 | |
| 32 | 5/4 | 160 | 27 | 267 | 283 | 100 | |
| 40 | 3/2 | 190 | 30 | 305 | 327 | 120 | |
| 50 | 2 | 220 | 35 | 328 | 353 | 140 |
| 型号Type | DN | D | D1 | L | L1 | H | H1 | D0 |
J24H-25 J24N-40 J24H-150 J24W-25P J24W-160P | 6 | 9 | 14 | 71 | 20 | 152 | 158 | 65 |
| 10 | 12 | 18 | 71 | 22 | 172 | 180 | 80 | |
| 15 | 16 | 22 | 93 | 26 | 285 | 292 | 120 | |
| 20 | 22 | 28 | 107 | 31 | 335 | 345 | 140 | |
| 25 | 27 | 34 | 118 | 32 | 355 | 368 | 140 |
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