KOBOLD KSM All‑Plastic Variable Area Flow Meter With Reed Contact Option
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Product Description
The KOBOLD KSM plastic flowmeter is based on the float principle, with the float moving freely and without friction within the measuring tube. Starting from a nominal diameter of DN 65, the device is equipped with a guide rod to stabilize the float. The indication point is located at the float’s maximum diameter.
Standard flow meters come equipped with a water scale (+20 °C), a percentage scale, O-rings, two setpoint indicators, and a mounting rail for accessories. The measuring tube is available in polysulfone (KSM-2...) for mildly corrosive media, or in Trogamide (model KSM-1...) for general water or air applications.
| Item | Parameter |
|---|---|
| Country of Origin | Germany |
| Housing Material | KSM‑1…: Trogamide‑T;KSM‑2…: Polysulfone |
| Float Material | PVDF |
| Guide Rod | PVDF; Stainless‑steel for the largest three sizes |
| Seals | EPDM (KSM‑1… / KSM‑2…) |
| Max Medium Temperature | KSM‑1…: 0‑60 °C;KSM‑2…: 0‑100 °C;Max 85 °C with contact fitted |
| Max Pressure | KSM‑x0xx, KSM‑x1xx:16 bar;KSM‑x201, KSM‑x301, KSM‑x601: PN10 |
| Accuracy | ±4% of full scale |
| Repeatability | ≤1% |
| Reed Contact Option | Bistable reed contact, normally‑open, closes with flow increase |
| Max Ambient Temperature | 0‑55 °C |
| Max Electrical Rating | 230 VAC,10 W /12 VA,0.5 A |
| Hysteresis | Approx. 3‑12 mm float travel |
| Protection Class | IP65 (Retrofit for contact requires float replacement with magnet‑integrated float) |
These materials offer resistance to impact, bending, and compressive stress. Optional threaded fittings can be installed on the integral extruded male threads at both ends. The float contains a built-in magnet that works in conjunction with bistable reed contacts.
Performance Features
Rugged, durable, and corrosion-resistant
Compatible with dedicated dials
Equipped with limit switch rails (can also be retrofitted later by simply replacing the float)
Nominal size, measurement range, and measuring tube material are marked on the measuring tube.
Product Applications
Cooling circuits
Water treatment
Plant engineering
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