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一、供應西門子球閥VAI61.50-40/VAI61.50-63兩通球閥用途：
適用于開路或閉路中的冷凍水、低溫熱水
二、供應西門子球閥VAI61.50-40/VAI61.50-63兩通球閥簡介
| 口徑 | DN15-DN50 |
| 承壓等級 | PN40 |
| 泄露量 | 0--0.01% of kvs value |
| 介質(zhì)溫度 | zui高120°C |
| 閥體 | 黃銅UNS C35330(DZR防脫鋅) |
| 球體 | 黃銅UNS C35330(DZR防脫鋅) ，鍍鉻 |
| 密封材料 | 三元乙丙橡膠 O形圈 |
三、供應西門子球閥VAI61.50-40/VAI61.50-63兩通球閥型號概覽：
|
| 執(zhí)行器 |
|
| |||||
| 定位信號 | 三位浮點AC24V | GLB131.9E | ||||||
| zui高介質(zhì)溫度 | DC0...10V | GLB161.9E | GMA131.9E | |||||
| 三位浮點AC230V | GLB331.9E | GMA161.9E | ||||||
| 120°C | 120°C |
| ||||||
| 全行程時間 | 150s | 90s | ||||||
| 斷電復位功能 | 無 | 有 | ||||||
| 斷電復位時間 | - | 15s | ||||||
| 線纜 | 0.9m | 0.9m | ||||||
| 直徑 | 流量 | 螺紋 | ||||||
| 型號 | [mm] | [m3/h] |
| △Pmax | △Ps | △Pmax | △Ps |
|
| 15 | 4 | Rp1/2 | [kPa] | [kPa] | [kPa] | [kPa] |
| |
| VAI61.15-4 | 15 | 6.3 | Rp1/2 | 350 | 1400 | 350 | 1400 |
|
| VAI61.15-6.3 | 15 | 10 | Rp1/2 | 350 | 1400 | 350 | 1400 |
|
| VAI61.15-10 | 20 | 6.3 | Rp3/4 | 350 | 1400 | 350 | 1400 |
|
| VAI61.20-6.3 | 20 | 10 | Rp3/4 | 350 | 1400 | 350 | 1400 |
|
| VAI61.20-10 | 25 | 10 | Rp 1 | 350 | 1400 | 350 | 1400 |
|
| VAI61.25-10 | 25 | 16 | Rp 1 | 350 | 1400 | 350 | 1400 |
|
| VAI61.25-16 | 32 | 16 | Rp11/4 | 350 | 1400 | 350 | 1400 |
|
| VAI61.32-16 | 32 | 25 | Rp11/4 | 350 | 1000 | 350 | 1000 |
|
| VAI61.32-25 | 40 | 25 | Rp11/2 | 240 | 1000 | 240 | 1000 |
|
| VAI61.40-25 | 40 | 32 | Rp11/2 | 240 | 800 | 240 | 800 |
|
| VAI61.40-40 | 50 | 40 | Rp 2 | 240 | 800 | 240 | 800 |
|
| VAI61.50-40 | 50 | 50 | Rp 2 | 240 | 600 | 240 | 600 |
|
| VAI61.50-63 |
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△Pmax閥門zui大允許壓差；△Ps閥門關(guān)閉壓差
