329 | In-line spring check valve | DN20 / 3/4" | PN63 | Female thread | Acid-resistant stainless steel
Lead time if the product is out of stock (business days):
20
Description
Two-piece stainless steel disc check valve with spring, suitable for all positions. Applications include chemical and pharmaceutical industries, petrochemical, hydraulic systems, compressed air and water. Body and disc in acid-resistant stainless steel, PTFE gaskets filled with 15% glass fiber. ATEX compliant (Zones 1&21 and 2&22).
Technical Data
Connection: Female thread ISO 228-1
Temperature range: –20 °C … +200 °C
Nominal pressure: 63 bar
Steam: max 14 bar
Type: Spring-loaded disc, short pattern
Installation: All positions (respect flow direction arrow)
Two-piece stainless steel disc check valve with spring, suitable for all positions. Applications include chemical and pharmaceutical industries, petrochemical, hydraulic systems, compressed air and water. Body and disc in acid-resistant stainless steel, PTFE gaskets filled with 15% glass fiber. ATEX compliant (Zones 1&21 and 2&22).
Technical Data
Connection: Female thread ISO 228-1
Temperature range: –20 °C … +200 °C
Nominal pressure: 63 bar
Steam: max 14 bar
Type: Spring-loaded disc, short pattern
Installation: All positions (respect flow direction arrow)
| Series | 329 |
|---|---|
| Product type | In-line spring check valve |
| Nominal size (DN) | 20 |
| Connection size | 3/4" |
| Pressure class | PN63 |
| Pipe connection | Female thread |
| Thread standard | ISO 228-1 G |
| Material (body) | Acid-resistant stainless steel |
| Material (body, std) | CF8M |
| Trim material | AISI316 |
| Sealing material | RPTFE |
| Max. ambient temperature (°C) | 200 |
| Min. ambient temperature (°C) | -20 |
| Brand | Sferaco |
| Flow-through factor (Kv, m3/h) | 5.1 |
