FREE VALVE Stainless steel Pneumatic Flange PTFE/PFA/FEP Fluorine Lined Control Globe Valve relies on the flow of the medium itself automatically opens and closes the valve disc,which is an automatic valve used to prevent the reverse flow of the medium. The disc and the special stem are designed as a whole, the stem ring is embedded in the groove formed between the valve body and the valve cover, and the circular disc rotates around the special stem, the disc opens and closes flexibly and the seal is reliable.
- The disc is designed as a whole with special stem.
- Easy to install,the valve can be used for horizontal and vertical installation.
- The channel is in a flow line shape in the valve, and the flow resistance is smaller than that of the lift check valve.
- The lining material is optional, which can be applied to a variety of media ,the valve has good corrosion resistance.
- The valves have three structural forms : Direct flow, oblique type, and angle type, among which direct flow type is the most commonly used. Angle type can be installed at the corners of pipeline systems,this structure saves 90° bends and is easy to operate, and oblique type resistance is the smallest among globe valves,the stem of this type of valve is at an Angle to the channel.
- Pneumatic and electric actuator can be configured according to user needs to meet the needs of remote control and program control.
- Size Range: DN32~DN500
- Applicable Temperature:-20~120ºC
- Connection Type: Flange
- Lined material:NBR,EPDM,F46,PFA
- Test standard:GB/T13927,API598
- Flange To Flange:ANSI B16.10,GB/T12221
- Model:FRH44J,FRH44F46
Service Temperature and suitable media of body lining material
| Lining material |
Service temperature,°C |
Application medium |
| NR |
-10°C~+85°C |
exclusive of strong oxidants:fluorosilicic acid, phenolic acid, 30 percent sulfuric acid, 80 percent phosphoric acid, alkali, salt, gold plating solution, sodium hydroxide, potassium hydroxide, neutral salt aqueous solution, 10 percent sodium hypochlorite, ammonia, most alcohols, organic acids and aldehydes,ect |
| EPDM |
≤120°C |
It has the similar acid and alkaline properties of natural glue, and it is very good for low pressure steam, hot water and cold water. |
| PTFE(F4) |
≤180°C |
Strong acid, strong base, strong oxidant, organic solvent, etc |
| FEP(F46) |
≤120°C |
Any organic solvents or reagents, xi or concentrated inorganic acids, bases, ketones, aromatics, chlorinated hydrocarbons, etc |
| PFA |
≤180°C |
Strong acid,strong alkali,Strong oxidant, organic solvent, etc |
| DN |
DN |
PN |
L |
D |
D1 |
n-∅d |
| FRJ41F46/J41F4 |
DN15 |
PN10
|
130 |
95 |
65 |
4-∅14 |
| DN20 |
150 |
105 |
75 |
4-∅14 |
| DN25 |
160 |
115 |
85 |
4-∅14 |
| DN32 |
180 |
140 |
100 |
4-∅18 |
| DN40 |
200 |
150 |
110 |
4-∅18 |
| DN50 |
230 |
165 |
125 |
4-∅18 |
| DN65 |
290 |
185 |
145 |
4-∅18 |
| DN80 |
310 |
200 |
160 |
8-∅18 |
| DN100 |
320 |
220 |
180 |
8-∅18 |
| DN125 |
400 |
250 |
210 |
8-∅18 |
| DN150 |
480 |
285 |
240 |
8-∅22 |
| DN200 |
600 |
340 |
295 |
8-∅22 |
| DN250 |
622 |
395 |
350 |
12-∅22 |
| DN300 |
698 |
445 |
400 |
12-∅22 |
| DN350 |
787 |
505 |
460 |
16-∅22 |
| DN400 |
914 |
565 |
515 |
16-∅26 |
Note:in the suitable media column, "W" means the body without lined,"J" means the body lined hard rubber,"F46" means the body lined fluorine plastic
FREE-VALVE Stainless steel Pneumatic Flange PTFE/PFA/FEP Fluorine Lined Control Globe Valve adopts integral rubber encapsulation technology, which has excellent anti-corrosive performance and is suitable for a variety of strong corrosion conditions, and is widely used in petroleum, chemical, dyeing, pesticide, acid and alkali making industries, etc. It is mainly used to connect or cut off the medium in the pipeline system.
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