適用于閉式循環系統中，冷凍水和低溫熱水的的控制
材質：鑄鐵
閥芯：≤DN40鉻鎳鋼/黃銅
≥DN50鉻鎳鋼/青銅
承壓：PN16
低溫：-10°C
高溫：150°C
閥桿行程：≤DN80：20mm
≥DN100：40mm
| 型號概覽：（VVF40...） |
| 
| 公稱直徑
mm | Kvs
流量系數
[m3/h] | 
SQX | 
SKD | 
SKB |
SKC | | 型 號[兩通閥] | △Pmax | △Ps | △Pmax | △Ps | △Pmax | △Ps | △Pmax | △Ps | | VVF40.15-1.9
VVF40.15-2.5
VVF40.15-3
VVF40.15-4 | 15 | 1.9
2.5
3
4 | 300 | 1600 | 300 | 1600 | 300 | 1600 | | | | VVF40.25-5
VVF40.25-6.3
VVF40.25-7.5
VVF40.25-10 | 25 | 5
6.3
7.5
10 | 300 | 1550 | 300 | 1600 | 300 | 1600 | | | | VVF40.40-12
VVF40.40-16
VVF40.40-19
VVF40.40-25 | 45 | 12
16
19
25 | 300 | 525 | 300 | 775 | 300 | 1600 | | | | VVF40.50-31
VVF40.50-40 | 50 | 31
40 | 300 | 325 | 300 | 475 | 300 | 1300 | | | | VVF40.65-49
VVF40.65-63 | 65 | 49
63 | 175 | 275 | 275 | 275 | 300 | 750 | | | | VVF40.80-78
VVF40.80-100 | 80 | 78
100 | 100 | 175 | 175 | 175 | 300 | 500 | | | | VVF40.100-124
VVF40.100-160 | 100 | 124
160 | | | | | | | 200 | 300 | | VVF40.125-200
VVF40.125-250 | 125 | 200
250 | | | | | | | 150 | 200 | | VVF40.150-300
VVF40.150-315 | 150 | 300
315 | | | | | | | 100 | 125 | △Pmax閥門zui大允許壓差；△Ps閥門關閉壓差 |
| 型號概覽：（VXF40...） |
| 
| 公稱直徑
mm | Kvs
流量系數
[m3/h] |
SQX |
SKD |
SKB |
SKC | | 型 號[三通閥] | △Pmax | △Pmax | △Pmax | △Pmax | | VXF40.15-1.9
VXF40.15-2.5
VXF40.15-3
VXF40.15-4 | 15 | 1.9
2.5
3
4 | 300 | 300 | 300 | | | VXF40.25-5
VXF40.25-6.3
VXF40.25-7.5
VXF40.25-10 | 25 | 5
6.3
7.5
10 | 300 | 300 | 300 | | | VXF40.40-12
VXF40.40-16
VXF40.40-19
VXF40.40-25 | 45 | 12
16
19
25 | 300 | 300 | 300 | | | VXF40.50-31
VXF40.50-40 | 50 | 31
40 | 300 | 300 | 300 | | | VXF40.65-49
VXF40.65-63 | 65 | 49
63 | 175 | 275 | 300 | | | VXF40.80-78
VXF40.80-100 | 80 | 78
100 | 100 | 175 | 300 | | | VXF40.100-124
VXF40.100-160 | 100 | 124
160 | | | | 200 | | VXF40.125-200
VXF40.125-250 | 125 | 200
250 | | | | 150 | | VXF40.150-300
VXF40.150-315 | 150 | 300
315 | | | | 100 | △Pmax閥門zui大允許壓差；△Ps閥門關閉壓 |
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