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Georg Fischer / GF Signet
Georg Fischer DIASTAR Ten 5-Series Diaphragm Valve
Quote on request
No online payment · add lines to RFQ BOM
DIASTAR Ten: DN15–50; PN10; FC/FO/DA; PVC–PVDF/PEEK. RFQ size.
Download datasheet PDF
RFQ cart holds BOM lines only. Submit for engineering quote.
Key parameters
Pressure Rating
DIASTAR Ten PN10 (single-sided); TenPlus PN10 both sides
Size Range
2-way d16–d63 / DN10–DN50 / ⅜–2 in; 3-way up to DN100 on Ten/TenPlus
Control Functions
Fail-safe close (FC), fail-safe open (FO), double-acting (DA)
Valve Body Materials
PVC-U, PVC-C, ABS, PP-H, PP-N, PVDF, PVDF-HP, PEEK (by variant)
Diaphragm Materials
NBR, EPDM, PTFE, FKM
Gasket Materials
EPDM, FKM, PTFE
Fits automated chemical and ultrapure shutoff where you need a Georg Fischer 5-Series DIASTAR Ten—pneumatic full-plastic diaphragm valve DN15–DN50 (½–2 in), PN10 class, with FC/FO/DA functions and bodies in PVC-U, PVC-C, ABS, PP, PVDF or PEEK.
Key advantages
- Sizes — DN15–DN50 (½–2 in)
- Pressure — PN10 class
- Functions — FC / FO / DA
- Materials — PVC-U, PVC-C, ABS, PP, PVDF, PEEK
- Diaphragms — EPDM / FKM / NBR / PTFE class
Typical applications
- Chemical dosing shutoff.
- Water treatment control.
- Microelectronics chemical lines.
Selection guide
- FC vs FO vs DA
- Body / diaphragm material
- End connection
Common mistakes
- Wrong control air pressure.
- Ignoring both-sides PN derate.
- Metal fasteners where all-plastic needed.
When to RFQ / what to tell us
- Size, material, function, ends.
- Quantity, ship-to.
Request a Quote · Get selection help
Specs
| Spec | Value |
|---|---|
| SKU | 41440 |
| Brand | Georg Fischer |
| Model | DIASTAR Ten 5-Series |
| Product type | Diaphragm Valve |
| Type | Pneumatic full-plastic diaphragm valve (DIASTAR Ten) |
| Sizes | DN15–DN50 (½–2 in) class |
| Pressure | PN10 class (DN50 often 6 bar both-sides PTFE class) |
| Functions | FC / FO / DA |
| Materials | PVC-U, PVC-C, ABS, PP, PVDF, PEEK; diaphragms EPDM/FKM/NBR/PTFE |
Documents
FAQ
Q: Pressure? A: PN10 class (check DN50 PTFE both-sides notes).
Q: Functions? A: Fail-close, fail-open, or double-acting.
Q: What should I send for a quote? A: Size/material/function, quantity, ship-to.
Links
| Parameter | Value |
|---|---|
| Pressure Rating | DIASTAR Ten PN10 (single-sided); TenPlus PN10 both sides |
| Size Range | 2-way d16–d63 / DN10–DN50 / ⅜–2 in; 3-way up to DN100 on Ten/TenPlus |
| Control Functions | Fail-safe close (FC), fail-safe open (FO), double-acting (DA) |
| Valve Body Materials | PVC-U, PVC-C, ABS, PP-H, PP-N, PVDF, PVDF-HP, PEEK (by variant) |
| Diaphragm Materials | NBR, EPDM, PTFE, FKM |
| Gasket Materials | EPDM, FKM, PTFE |
| Housing Nut | PPGF 30 (standard); PPSGF40 black for water PN16 applications |
| Operating Temperature | PVC-U 0–60 °C; PVC-C 0–80 °C; ABS −30–60 °C; PP 0–80 °C; PVDF/PEEK −20–140 °C (per pressure-temperature diagram) |
| Actuation | Pneumatic; 90° rotatable air connection |
| Standards | EN ISO 16138; tested to ISO 9393-2, EN 12266-1 leakage rate A |
| Media | Liquids and gases compatible with selected body/diaphragm materials (ChemRes PLUS) |
| Design | Full plastic, no metal screws; dead-space-free / drainable 5-Series bodies; linear Kv characteristics |