產(chǎn)品分類
VALUE
產(chǎn)品展示
PRODUCTS
螺紋連接安全閥A21Y/H/F/W
要性能規(guī)范:Main technical data | ||||
型號 Type | A21F-18 | A21H-16、25、40、64 | A21W-16P、25P、40P、64P | |
密封試驗壓力 MPa sealing test pressure |
Ps<0.3時,Ps-0.03 Ps≥0.3時 90%整定壓力 setting pressure | |||
排放壓力 MPa built-up pressure |
≤1.1 x 整定壓力 setting pressure | |||
回座壓力 MPa re-seating pressure |
≥85% 整定壓力 setting pressure | |||
開啟高度 mm Value Lift |
≥1/20 喉徑 Throat diameter | |||
適用介質(zhì) Suitable medium |
空氣、非腐蝕性的氣體 air,non-corrosiveness gas |
弱腐蝕性氣體 Feebly-corrosive gas |
強(qiáng)腐蝕性氣體 corrosive gas |
|
適用溫度 ℃ Suitable temperatur8 |
-40~50 | ≤200℃ | ≤150℃ | |
排量系數(shù) coefficient of dischange |
0.2 |
主要外形尺寸及連接尺寸 Main size of Appearance | ||||||||
公稱壓力 MPa Norminal pressure |
公稱通徑 Inside Norminal Diameter |
d0 | d | D0 | L | L1 | H | 出口螺紋 Discharge thread |
1.6~4.0 | 15 | 12 | 15 | 20 | 35 | 60 | 64 | G1/2 |
20 | 16 | 20 | 25 | 40 | 68 | 68 | G3/4 | |
25 | 20 | 25 | 31 | 50 | 78 | 103 | G1 | |
6.4 | 10 | 16 | 25 | 50 | 80 | 105 |