Lined Diaphragm Valve
STANDARD SPECIFICATIONS
| Design Standard | BS EN 13397 (formerly known as BS 5156) / ASME B 16.34 |
| Testing Standard | API 598 / BS EN 12266-1 |
| End Connection | Flanged End |
| Face to Face | BS EN 558 – 1, Series 7 |
| Flange Drilling | ASME B 16.5 150# / JIS / DIN 2501/2632/2633 / BS 4504 / Others on order |
| Pressure Rating | 150# / PN10 / PN16 |
| Leakage Class | Class VI (Zero Leakage) as per API 598 |
| Size Range | From DN25 (1”) TO DN 150 (6”) Size |
| Body Type | “A” Weir Type |
| Operation | Manual Hand Wheel Operated |
| Pneumatic Single Acting (Spring Return) Diaphragm Actuator | |
| Operated | Pneumatic Double Acting Cylinder Actuator Operated |
| Electrical Actuator Operated (Motorized Operated) | |
| Flow Direction | Bi-Directional |
MATERIAL OF CONSTRUCTION
| Body & Bonnet | ASTM A 216 GR. WCB (Cast Carbon Steel) |
| ASTM A 395 (Ductile Iron) | |
| ASTM A 351 GR. CF8 (SS 304) | |
| ASTM A 351 GR. CF3 (SS 304L) | |
| ASTM A 351 GR. CF8M (SS 316) | |
| ASTM A 351 GR. CF3M (SS 316L) | |
| Lining | FEP (ASTM D 2116) - Fluorinated Ethylene Propylene |
| PFA (ASTM D 3307) – Perfluoroalkoxy | |
| ETFE (ASTM D 3159) - Ethylene Tetrafluoroethylene | |
| PTFE (ASTM D 4895 - Polytetrafluoroethylene | |
| PVDF (ASTM D 3322) - Polyvinyldiene Fluoride | |
| PP (ASTM D 4101) - Polypropylene | |
| HDPE - High Density Poly Ethylene | |
| Lining Thickness | 3 To 5mm |
JUST GIVE US YOUR PROCESS DATA AND BE FREE
WE WILL SUGGEST TYPES OF BFLON PTFE LINED VALVES
- Name of Flow Media (Passing Through Line)
- Working Pressure
- Working Tempertaure (CORRECT SPELLING HERE AS Temperature)
- Valve Size or Line Size
- Required Quantity
- Type of Valve
PRESSURE TESTING
| Body (Hydrostatic) | 15.0 Kg./Cm2 |
| Seat (Hydrostatic) | 11.0 Kg./Cm2 |
| Testing Media | Water at Room Temperature |
| Seat (Air/Pneumatic) | 6.0 Kg./Cm2 |
| Lining Test/Spark Test | 15 KV DC |
LET'S GIVE YOUR PLANT "MAINTENANCE FREE" LOOK
Bflon PTFE Lined Valves - "WHERE SOLUTION FLOW"
Dimensions [150 Class]
| Size(mm) | 15 | 20 | 25 | 40 | 50 | 65 | 80 | 100 | 150 |
| Size(inch) | ½" | ¾ " | 1" | 1½" | 2" | 2½" | 3" | 4" | 6" |
| L | 108 | 118 | 127 | 165 | 178 | 192 | 203 | 229 | 406 |
| Ød | 12 | 19 | 25 | 38 | 50 | 65 | 75 | 100 | 150 |
| O.D. ØD | 90 | 100 | 110 | 125 | 150 | 180 | 190 | 230 | 280 |
| P.C.D. ØK | 60.5 | 70.0 | 79.2 | 98.5 | 120.6 | 139.7 | 152.4 | 190.5 | 241.3 |
| R.F.DIA. ØRF | 35.0 | 43.0 | 50.8 | 73.0 | 92.1 | 104.7 | 127.0 | 157.2 | 215.9 |
| No. OF HOLE N | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 8 | 8 |
| HOLE DIA. ØH | 15.8 | 15.8 | 15.8 | 15.8 | 19 | 19 | 19 | 19 | 22 |
Nomenclature
| SR. NO. | DESCRIPTION | MOC |
|---|---|---|
| 1 | BODY | WCB/SGI/CF8/CF8M/CF3/CF3M |
| 2 | BONNET | WCB/SGI/CF8/CF8M/CF3/CF3M |
| 3 | COMPRESSOR | WCB/SGI/CF8/CF8M/CF3/CF3M |
| 4 | LINING | FEP / PFA |
| 5 | DIAPHARGM | PTFE BACKED NEOPRENE RUBBER |
| 6 | SPINDLE | S.S. 304/316 |
| 7 | HAND WHEEL | DUCTILE IRON |
| 8 | FASTENERS | S.S. |
Application of PTFE / FEP / PFA / Fluoropolymer / Plastic Lined Valves, Lined Pipe Fittings, Lined Y Strainer, Lined Basket Filters, Lined Sight Glass & Sight Flow Indicators.
- Pulp & Paper Mill
- Chemical & Agro-Chemical Plant
- Alkali's & Chlorine Plant
- Sugar Mill
- Pharmaceuticals Industries
- Metal and Mining Industries
- Bromine Plant
- Water Treatment Plant
- Organic Chemical Plant
- Hydrocarbon Plant
- Detergent & Soap Industries
- Power Generation Plant
- Fertilizer Industries
- Oil & Gas Plant
- Sulfur Recovery Plant
- Aggressive Vapors
- Phosphorus & Acid Services
- Corrosive Application