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Silence
Check Valves (LIFC6005)
¡ö Product introduction
Silence check valves consists of valves body, seat, diversion
shuttle, disc, bearing and spring etc. The bore is flow-line designed so
pressure loss is very little. The disc's stroke is very short and when stop the
pump the valves can close quickly and prevent the great noise from
water-hammering so the valves can close quietly without any noise. It is widely
used in feeding/draining system, fire protection and heat supplying system, and
it is installed at the outlet of the pump to prevent backward fluid's and
water-hammering's damage to the pump.
¡ö Material for main parts
|
NO. |
Name of Parts |
material |
|
1 |
Body and diversion shuttle |
ductile cast iron seat,
bearing |
|
2 |
Disc and shaft |
Al-bronze or Cr-stainless
steel |
|
3 |
Spring |
stainless steel |
¡ö Main technical parameters
Nominal pressure: 1.0-1.6Mpa
Service: water and weak corrosive fluid
Working temperature: 0-80¡æ
Flanged end: GB/T17241.6¡¢GB9113
Inspection and test:: GB/T 13927¡¢API
598
¡ö Typical installation diagram
¡ö Main Size
|
DN |
40 |
50 |
65 |
80 |
100 |
125 |
150 |
200 |
250 |
300 |
350 |
|
L |
110 |
120 |
150 |
180 |
229 |
254 |
267 |
292 |
330 |
356 |
381 |
¡¡ |
