水用兩通閥/三通閥，法蘭連接，PN16，行程20mm/40mm
- 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
公稱直徑mm
Kvs流量系數[m3/h]
△Pmax
△Ps
VVF40.15-1.9VVF40.15-2.5VVF40.15-3VVF40.15-4
15
1.92.534
300
1600
VVF40.25-5VVF40.25-6.3VVF40.25-7.5VVF40.25-10
25
56.37.510
1550
VVF40.40-12VVF40.40-16VVF40.40-19VVF40.40-25
45
12161925
525
775
VVF40.50-31VVF40.50-40
50
3140
325
475
1300
VVF40.65-49VVF40.65-63
65
4963
175
275
750
VVF40.80-78VVF40.80-100
80
78100
100
500
VVF40.100-124VVF40.100-160
124160
200
VVF40.125-200VVF40.125-250
125
200250
150
VVF40.150-300VVF40.150-315
300315
△Pmax閥門zui大允許壓差；△Ps閥門關閉壓差
