產(chǎn)品分類
VALUE
產(chǎn)品展示
PRODUCTS
|
GA42H-25、40 GA42H-64、100 |
單杠桿式安全閥 |
PN16~100 |
GA42H單杠桿型安全閥型適用于溫度≤450℃的電站鍋爐和壓力空器上防止壓力超過允許最高值介質(zhì)可為蒸汽、空氣.
| 主要性能規(guī)范：Main technical data | |||||||
| 型號(hào) type | 公稱壓力 PN/MPa Nominal Pressure | 工作壓力范圍 /MPa | 整定壓力 /MPa setting pressure | 工作溫度 /℃ Working tempreature | 回座壓差 Re-seating pressure | 適用介質(zhì) suitable medium | 額定排量系數(shù) Derated coefficient of discharge |
| GA42H-25 | 2.5 | 0.78～1.57 | 1.04倍工作壓力 1.04 times of working pressures | ≤450 | 4%～10% 整定壓力 setting pressure | 蒸汽 steam | 0.24 |
| GA42H-40 | 4.0 | 1.57～2.45 | ≤450 | ||||
| GA42H-64 | 6.4 | 2.45～4.22 | ≤450 | ||||
| 主要零部件材料：Main parts material | ||||||
| 零件名稱 The name of parts | 閥體 body |
閥座、閥瓣 Seat Disc |
閥桿 Stem | 襯套 Bushing | 杠桿 Lever |
重錘 Steelyard weight |
| 材料 Material |
碳素鑄鋼 stainless steel |
不銹鋼 stainless steel |
不銹鋼 stainless steel |
不銹鋼 stainless steel |
碳素鋼 Carbon steel |
灰鑄鐵 cast steel |
| 主要尺寸及重量：Main size and weight | ||||||||
| 型號(hào) Type:GA42H-25 | ||||||||
| 公稱通徑 DN/mm |
尺寸 /mm size | |||||||
| H | L | D | D1 | D2 | b | Z-φd | 出口法蘭 Discharge flange |
|
| 50 | 344 | 715 | 160 | 125 | 100 | 24 | 4-φ18 | PN16 DN150 |
| 80 | 344 | 715 | 195 | 160 | 135 | 24 | 4-φ18 | PN16 DN150 |
| 型號(hào) Type:GA42H-40 | |||||||||
| 公稱通徑 DN/mm |
尺寸 /mm size | ||||||||
| H | L | D | D1 | D2 | D6 | b | Z-φd | 出口法蘭 Discharge flange |
|
| 40 | 333 | 650 | 145 | 110 | 76 | 66 | 18 | 4-φ18 | PN16 DN100 |
| 50 | 350 | 705 | 165 | 125 | 100 | 88 | 20 | 4-φ18 | PN16 DN150 |
| 型號(hào) Type:GA42H-64 | |||||||||
| 公稱通徑 DN/mm |
尺寸 /mm | ||||||||
| H | L | D | D1 | D2 | D6 | b | Z-φd | 出口法蘭 Discharge flange |
|
| 80 | 480 | 875 | 210 | 170 | 140 | 121 | 30 | 8-φ23 | PN16 DN150 |
| 型號(hào) Type:GA42H-100 | |||||||||
| 公稱通徑 DN/mm |
尺寸 /mm size | ||||||||
| H | L | D | D1 | D2 | D6 | b | Z-φd | 出口法蘭 Discharge flange |
|
| 25 | 208 | 582 | 135 | 100 | 78 | 58 | 24 | 4-φ18 | PN16 DN80 |
| 50 | 420 | 875 | 195 | 145 | 112 | 88 | 28 | 4-φ23 | PN16 DN100 |