Project Description

Fully welded floating ball valve, Reduced welded type

Structural characteristics：

  • Fully welded structure, no potential bonnet connection leakage hazard
  • Valve stem blow-out proof structure
  • The use of raw materials that meet national standards can ensure the nominal pressure of the design
  • The valve seat sealing structure adopts a combination of spring load and enhanced PTFE to ensure tight sealing and long service life
  • The stem is sealed with double O-rings, which can be replaced online
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Product Description

Standard specification：

Design standard：GB/T 37827 GB/T 12224

Standard pressure：PN25

Face to face distance：GB/T 37827

Inspect and test：GB/T13927、ISO5208、API598

PN25
Nominal menstruation Appearance size
DN NPS L L1 L2 L3 D1 D2
EN GB
15 1/2″ 210 135 95 22 21.3 21.7 42.7
20 3/4″ 230 135 95 22 26.9 27.2 42.7
25 1″ 260 160 115 25 33.7 34 48
32 11/4″ 260 160 120 30 42.4 42.7 60.5
40 11/2″ 300 230 125 40 48.3 48.6 76
50 2″ 300 230 140 45 60.3 57 89
65 21/2″ 300 300 170 58 76.1 76.3 114
80 3″ 300 300 180 70 88.9 89 140
100 4″ 325 400 215 85 114.3 108 169
125 5″ 350 400 220 90 139.7 133 180
150 6″ 390 400 245 110 168.3 159 222