A51H安全閥,A51H安全閥技術文章,A51H安全閥好用么--產品概述
供應GA41H、A51H-25安全閥除杠桿（材料為碳鋼），重錘（材料為鑄鐵），其余材料均和A41H-16C型彈簧式安全閥相同。
A51H安全閥,A51H安全閥技術文章,A51H安全閥好用么--主要參數
產品名稱：供應A51H-25安全閥
產品型號：A51H-25
公稱通徑：DN10～DN600、1/2″～25″
公稱壓力：PN1.0～32MPa 美標：150Lb～2500Lb
適用溫度：≤-196℃～580℃
設計制造：GB/T12243、APl 520
法蘭連接：JB/T79
,A51H安全閥好用么--整定壓力
| 公稱壓力 | A51H-16/25/40/64/100整定壓力(MPa) | |||||||
| 1.6 | >0.1-0.16 | >0.16-0.25 | >0.25-0.4 | >0.4-0.6 | >0.6-0.8 | >0.8-1.0 | >1.0-1.3 | >1.3-1.6 |
| 2.5 | >1.3-1.6 | >1.6-2.0 | >2.0-2.5 | " | " | " | " | " |
| 4.0 | >1.3-1.6 | >1.6--2.0 | >2.0-2.5 | >2.5-3.2 | >3.2-4.0 | " | " | " |
| 6.4 | >2.5-3.2 | >3.2-4.0 | >4.0-5.0 | >5.0-6.4 | " | " | " | " |
| 10.0 | >3.2-4.0 | >4.0-5.0 | >5.0-6.4 | >6.4-8.0 | >8.0-10.0 | " | " | " |
| 16.0 | >8.0-10.0 | >10-13 | >13-16 | " | " | " | " | " |
| 32.0 | >13-16 | >16-19 | >19-22 | >22-25 | >25-29 | >29-32 | " | " |
零件材料
| NO | 零件名 | A51H-16/25/40/64/100 C 材料 | A51H-16/25/40/64/100 P 材料 | A51H-16/25/40/64/100 R材料 |
| 1 | 閥體 | WCB | ZG1Cr18Ni9Ti | CF8M |
| 2 | 閥座 | 2Cr13 | 1Cr18Ni9Ti | 316 |
| 3 | 調節圈 | ZG2Cr13 | ZG1Cr18Ni9Ti | 0Cr18Ni12Mo2Ti |
| 4 | 反沖盤 | ZG2Cr13 | ZG1Cr18Ni9Ti | 316 |
| 5 | 閥瓣 | 2Cr13 | 1Cr18Ni9Ti | 316 |
| 6 | 導向套 | 2Cr13 | 1Cr18Ni9Ti | 0Cr18Ni12Mo2Ti |
| 7 | 閥蓋 | ZG230-450 | ZG230-450 | ZG230-450 |
| 8 | 彈簧 | 50CrVA | 50CrVA包覆氟塑料 | 50CrVA包覆氟塑料 |
| 9 | 閥桿 | 2Cr13 | 1Cr18Ni9Ti | 1Cr18Ni12Mo2Ti |
| 10 | 扳手 | ZG200-400 | ZG200-400 | ZG200-400 |
| 11 | 調整螺桿 | 45 | 2Cr13 | 2Cr13 |
| 12 | 保護 | ZG200-400 | ZG200-400 | 316 |
| 密封面材料 | 堆焊Co基硬質合金 | |||
連接尺寸
| 公稱通徑 | 尺寸 | |||||||||||||||
| do | L | L1 | D | K | g1 | f | b | z-Φd | DN’ | D1 | K1 | g2 | b1 | f’ | z-Φd1 | |
| 25 | 20 | 100 | 85 | 115 | 85 | 65 | 2 | 16 | 4-14 | 25 | 115 | 85 | 65 | 16 | 2 | 4-14 |
| 32 | 25 | 115 | 100 | 140 | 100 | 78 | 2 | 18 | 4-18 | 32 | 140 | 100 | 78 | 18 | 2 | 4-18 |
| 40 | 32 | 120 | 110 | 150 | 110 | 85 | 3 | 18 | 4-18 | 40 | 150 | 110 | 85 | 18 | 3 | 4-18 |
| 50 | 40 | 135 | 120 | 165 | 125 | 100 | 3 | 20 | 4-18 | 50 | 165 | 125 | 100 | 20 | 3 | 4-18 |
| 80 | 65 | 160 | 135 | 200 | 160 | 135 | 3 | 20 | 8-18 | 80 | 200 | 160 | 135 | 20 | 3 | 8-18 |
| 100 | 80 | 170 | 160 | 220 | 180 | 155 | 3 | 22 | 8-18 | 100 | 220 | 180 | 155 | 22 | 3 | 8-18 |
| 150 | 125 | 205 | 195 | 285 | 240 | 210 | 3 | 24 | 8-23 | 150 | 285 | 240 | 210 | 24 | 3 | 8-23 |
| 200 | 150 | 240 | 230 | 340 | 295 | 265 | 3 | 26 | 12-23 | 200 | 340 | 295 | 265 | 26 | 3 | 12-23 |
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