Pressure gauges
Pressure gauges display local system pressure through a selected sensing mechanism and dial.
Representative product photograph. The quoted item may differ in size, material, connection and appearance.
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Rotameters
Rotameters indicate flow using a float moving inside a tapered measuring tube.
Reference model / family: GF Type 335 — variable-area flowmeter
Common uses
Local flow indication in compatible liquid or gas services.
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Product information
Specifications & documents
GF Type 335 — variable-area flowmeter
- Nominal size range
- DN25–DN65 (d32–d75; 1–2½ in)
- Taper tube options
- Transparent PVC-U, PA or PSU
- Float
- PVDF
- Seal options
- EPDM or FKM
- Pressure class
- PN10; subject to the selected pressure-temperature curve
- Standard connections
- PVC-U solvent-cement sockets
- Scale range options
- 50–60,000 L/h across the family
- Standard scale
- Water flow in L/h plus percentage
- Installation
- Vertical; flow upwards
- Gas-service limit
- Maximum 0.5 bar
| Type 335 scale — L/h | DN | Overall L — mm |
|---|---|---|
| 50–500 | 25 | 385 |
| 150–1,500 | 32 | 393 |
| 300–3,000 | 40 | 403 |
| 1,000–10,000 | 50 | 417 |
| 3,000–30,000 | 65 | 429 |
Reference configuration only. Specifications apply to the named supplier series or model; the offered item and suitability are confirmed with the quotation. Scale ranges are separate meter selections, not one instrument range. Media containing solids are not recommended.
Technical references
- GF Type 335/350/123 technical datasheet ↗Product data sheet · Confirm document region for the quoted product · Current revision confirmed with quotation
Choose the right variant
Details to confirm
- Fluid and required flow range
- Operating pressure and temperature
- Mounting direction and connection size
Selection note
The scale is fluid- and condition-dependent; gas pressure, temperature and liquid density can affect readings.
These details describe the product family. The offered item’s dimensions, materials, operating limits and required approvals are confirmed before you order.
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