規格
| Nominal valve connection size | DN50 to DN300 |
|---|---|
| Pressure Rating | PN10, PN16, Class 125 |
| Design standards | EN 593, DIN 2501 PN6/10/16, DIN 3202 |
| Valve body material | Ductile Iron |
| Ball material | Stainless Steel 304 |
| medium | Water, Oil, Gas |
| Service temperature range | -20 to 180 C |
| performance features | High sealing performance, Light torque, Small flow resistance, Reduced water hammer generation, Simple and convenient installation with interchangeable parts, 100% inspection before delivery |
應用與選型指引
Choose the single-orifice execution where the line needs air release under pressure or vacuum protection at a single duty point; where bulk fill and drain air handling also matters, a compound (double-function) execution covers both stages in one body. Set the rating (PN10, PN16 or Class 125) and the flange standard to match the pipe class, and check the -20 to 180 C window against the medium.
常見問題
When is a single orifice air valve the right choice?
When the duty is releasing small air pockets that collect under pressure, or protecting against vacuum during drain-down, rather than bulk air exchange during fill. The benchmark page declares a DN50 to DN300 flanged body with a stainless 304 float for exactly this single-stage duty on water, oil and gas lines.
How does this differ from the screwed single-orifice execution?
Connection and rating span: this execution is flanged (EN 593, DIN 2501 PN6/10/16, DIN 3202) from DN50 to DN300 at PN10 to Class 125, whereas the screwed execution serves smaller screwed-end lines. The float material - stainless steel 304 - is the same on both.
What information is needed to quote one?
Nominal size within DN50 to DN300, line pressure class, medium and working temperature against the -20 to 180 C range. The flange standard then follows from the mating pipe class.
訂購與文件
文件
請在詢問時一併說明您需要的文件組合——此結構的常見項目（材質證明、按所列檢驗標準的測試報告、尺寸圖）將於報價時確認並隨附供應。
報價
可直接報價的詢問應說明：公稱口徑與壓力額定、閥體與閥座材質偏好、端部連接、操作方式，以及含溫度的使用介質。本頁的典型值為基準參考範圍；具有約束力的數值於報價時確認。
樣品與供應
供應條件、訂購數量與交期按訂單議定——請在詢問時說明目的地國家與所需時程。
儲存與運輸
閥門儲存時應保護閥座與密封件免受紫外線、臭氧與變形影響，安裝前保留端面保護蓋；彈性體或 PTFE 閥座結構應避免長期戶外存放——閥座材料在陽光直射與冰凍條件下老化最快。