Deskripsi
Diaphragm Valve
Model : G41J-6Z, DN80
Brand : Shanghai Valve Factory
Product Overview:
The G41J-6Z is a manually operated, rubber-lined weir-type diaphragm valve designed for corrosive, abrasive, or slurry media. Its design isolates the working fluid from the operating mechanism, making it ideal for hygienic and aggressive environments.
- Type: Weir-type diaphragm valve
- Operation: Manual handwheel
- Design Standard: BS 5156 / API 6D
- Connection: Flanged ends (PN6)
- Lining: Vulcanized rubber (EPDM, Neoprene, etc.)
Specifications (DN80):
| Parameter | Value |
|---|---|
| Nominal Diameter (DN) | 80 mm |
| Pressure Rating | PN6 |
| Face-to-Face Length | ~300 mm |
| Flange Dimensions | EN 1092-1 PN6 / DIN 2501 |
| Flow Characteristic | Linear |
| Temperature Range | -10°C to +120°C (rubber-lined) |
| Leakage Class | Class VI (bubble-tight shut-off) |
Material List:
| Component | Material Options |
|---|---|
| Body | Cast Iron / Ductile Iron / WCB |
| Bonnet | Cast Iron / WCB |
| Diaphragm | EPDM / Neoprene / Butyl Rubber |
| Stem | Stainless Steel (SS304/SS316) |
| Compressor | Cast Iron / Stainless Steel |
| Fasteners | Carbon Steel / Stainless Steel |
| Handwheel | Cast Iron |
| Lining | Rubber (vulcanized, bonded to body) |
Drawing Dimensions (DN80, PN6):
| Dimension | Value (mm) |
|---|---|
| L (Length) | 300 |
| D (Flange OD) | 185 |
| D1 (Bolt Circle) | 150 |
| D2 (Bore) | 125 |
| f (Raised Face) | 3 |
| b (Flange Thickness) | 18 |
| Bolt Holes | 4 × φ18 |
These dimensions follow EN 1092-1 PN6 standards.
Application Areas:
This valve is suitable for:
- Chemical and petrochemical processing
- Water treatment and desalination
- Pulp and paper industry
- Food and beverage (non-toxic lining)
- Pharmaceutical and biotech systems
- Mining slurry and abrasive fluid control
Its rubber lining and diaphragm isolation make it ideal for corrosive or particulate-laden fluids.
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