Handle Soldering Ptfe Lined Solenoid Ball Valve
This series of products are reliable sealing performance, maintenance-free for 20 years, loading and unloading can be achieved at any time, reliable sealing performance, with path has a large flow characteristics, and can be installed in heat transfer machine room, heat the main line, branch piping, heat exchangers and other equipment supporting or device is connected, use for cut off, the main use of urban heat, city gas, city water supply and drainage lines.
| unit: millimetre(mm) | ||||||||
| Size | NPS | A | b | L | D | D1 | D2 | |
| CN | EU | |||||||
| DN15 | 3/8 | 129 | 90 | 210 | 15 | 18 | 21.3 | 42.7 |
| DN20 | 3/4 | 159 | 103 | 230 | 20 | 25 | 26.7 | 48 |
| DN25 | 1 | 159 | 107 | 260 | 25 | 32 | 33.4 | 60 |
| DN32 | 1-1/4 | 230 | 120 | 260 | 32 | 42 | 42.2 | 76 |
| DN40 | 1-1/2 | 230 | 126 | 300 | 40 | 48 | 48.3 | 89 |
| DN50 | 2 | 300 | 177 | 300 | 50 | 57 | 60.3 | 114 |
| DN65 | 2-1/2 | 300 | 186 | 300 | 65 | 76 | 76.1 | 140 |
| DN80 | 3 | 400 | 210 | 300 | 80 | 89 | 88.9 | 165 |
| DN100 | 4 | 400 | 214 | 325 | 100 | 108 | 114.3 | 216 |
| DN125 | 5 | 450 | 220 | 350 | 125 | 133 | 141.3 | 219 |
| DN150 | 6 | 450 | 280 | 490 | 150 | 159 | 168.3 | 355 |
(1)shell Hydrostatic Test
ANSI B 16.34 Section 7.1 | ||
Valve Size NPS |
Test Pressure |
Test Time.Sce |
DN50 below |
1:5 times zhe100° F |
15 seconds |
DN65~DN200 |
Rating of ANSI Class |
60 seconds |
DN250 above |
Max.Operating Pressure |
180 seconds |
|
Check the pressure to more than 1.5 times higher than the maximum pressure valve |
|
(2)Seal Hydrostatic Test
The pressure should be more 1.1times than working pressure by seal hydrastatic test
ANSI B 16.34 Section 7.2 | ||
Valve Size NPS |
Test Pressure |
Test Time.Sce |
DN50 below |
1:5 times zhe100° F |
15 seconds |
DN65~DN200 |
Rating of ANSI Class |
30 seconds |
DN250 above |
Max.Operating Pressure |
60 seconds |
|
Check the pressure to more than 1.5 times higher than the maximum pressure valve (100 f) |
120 seconds |
(3)Seal Air Test
Seal air leakage test is based on 80PSIG(6kgf/cm2)nin-actiue gas of full lilled with air, after clase zhe valve.then check it is leakage or not by one side of zhe valve
NO |
Part name |
Material |
1 |
Body |
Carbon steel St37.8 |
2 |
neck |
PTFE+SPCB |
3 |
Ball |
304 Stainless steel |
4 |
Stem |
2Cr13 |
5 |
Seat |
25%C+PTFE |
6 |
Metal washer |
60Si2MN |
7 |
Spring |
60Si2MN |
8 |
“O”Ring |
FPM |
9 |
End piece |
Carbon steel St.37.8 |
10 |
Handle |
Carbon steel+HCr |
11 |
“O”Ring |
FPM |
12 |
Gland |
304 |
Size:full port&standard diameter DN20-150(3/4"-6")
Pressure:below 2.5Mpa
Temperature:-40℃~+200℃
Medium:water,gas,oil,solid particle,mixed medium etc.(Non-corrosive)
Operation:manual/with gear/electrical/worm gear/pneumatic/hydraulic
Advantage:
International certificate and standard
Design for water,oil and gas pipe line use
As long life as pipeline system
Maintenance free, low cost
Two-way valve
main characteristics:
One-piece welded body & End piece connection pipe (Connection dimension to ASTM / EN / KS / JIS / GOST
Standard .etc will be available.
Bubble tight excellent sealing with PTFE+C seats.
Pre-loaded seat springs ensure leak-tight at low pressure and reduce valve operational torque.
Anti blow-out stem.
Double O-rings ensure the stem sealing and are replaceable.
Stem dry bearing, metal with PTFE coating having self-lubricating capabilities
float solenoid at controls valve
handle underground fully welded ball valves with long stem
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