產(chǎn)品分類
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產(chǎn)品展示
PRODUCTS
外螺紋連接安全閥A28H
| 主要性能規(guī)范：Main technical data | ||||||||
| 型號(hào) type |
整定壓力范圍 MPa Range of Adjusted pressure |
密封試驗(yàn)壓力 MPa sealing test pressure |
排放壓力 |
回座壓力 MPa re-seating pressure |
開啟高度 mm Value Lift |
適用介質(zhì) Suitable medium |
適用溫度 ℃ Suitable temperature |
排量系數(shù) coefficient of dischange |
| A28H-10 | Ps0.1～1.0 | Ps<0.3時(shí)，Ps-0.03 Ps≥0.3時(shí) 90%整定壓力 setting pressure | ≤1.03 x 整定壓力 setting pressure |
≥90% 整定壓力 setting pressure |
≥1/4 喉徑 Throat diameter |
蒸汽 steam |
≤200 | 0.7 |
| A28H-16Q | Ps0.1～1.6 | |||||||
| A28H-16C | ||||||||
| 主要零件材料 Material of main parts | |||||||
| 型號(hào) type |
零件名稱 The name of part | ||||||
| 閥體、閥蓋 body、Bonnet |
閥座、閥瓣 Sealing seat Disc |
彈簧座、閥桿 Spring seat,Stem |
彈簧 Spring |
調(diào)節(jié)螺母 Adjust Num |
閥帽 Cap |
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| A28H-10 | HT200 | 2Cr13 | 2Cr13 | 50CrVa | 碳鋼 Carbon steel |
HT200 | |
| A28H-16Q | QT450-10 | ||||||
| A28H-16C | WCB | ||||||
| 主要外形尺寸及連接尺寸 Main size of Appearance | |||||||
| 公稱通徑 DN/mm Inside Nominal Diameter |
進(jìn)口螺紋 Inlet thread RC/in |
出口螺紋 Discharge thread G/in |
d0 | L | L1 | H | G |
| 15 | Rc1/2 | G3/4 | 10 | 35 | 50 | 140 | 30 |
| 20 | Rc3/4 | G1 | 15 | 40 | 55 | 150 | 34 |
| 25 | Rc1 | G11/4 | 20 | 45 | 65 | 170 | 40 |
| 32 | Rc11/4 | G11/2 | 25 | 55 | 85 | 260 | 48 |
| 40 | Rc11/2 | G2 | 32 | 60 | 90 | 280 | 56 |
| 50 | Rc2 | G21/2 | 40 | 75 | 105 | 320 | 66 |
| 80 | Rc3 | G4 | 65 | 110 | 135 | 420 | 100 |