DW181/B/G/K2 FLOW SWITCH by Krohne
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The Krohne DW181/B/G/K2 is a mechanical flow switch designed for liquid media, featuring a DN 40 nominal size and a G1-1/2" threaded connection. Built with a bronze body, a stainless steel baffle plate, a Makrolon housing, and a Klingerit gasket, this unit is engineered for standard screw connections up to a nominal pressure of 100 bar. It provides visual indication for switch point settings and operates with a vertical flow direction from bottom to top. Equipped with two reed switch contacts (14VA, 350 VDC, 0.4A AC max)—configured as Switch 1 NO with a black indicator and Switch 2 NO with a green indicator—it manages a measuring range of 800 to 6300 l/h using a drag disc flow coefficient (C/042). The DW181/B/G/K2 offers IP65 protection and arrives pre-set according to operational data at 20 °C.
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Frequently Asked Questions(FAQ):
Where can I buy DW181/B/G/K2 by Krohne in the USA?
You can purchase DW181/B/G/K2 by Krohne from PAOParts LLC. We serve customers across the USA, offering competitive prices and reliable service.
What is the price of the DW181/B/G/K2?
Price and availability are quoted per request. Send the part number and the quantity you need through our quote request form and you will receive a written offer by e-mail.
Who is the official distributor or seller of Krohne in the United States?
While we are not the official distributor or seller of Krohne in the United States, we source our products from reliable channels and offer you original Krohne equipment at competitive prices.
How can I access DW181/B/G/K2 catalogs, user manuals, technical documents, and PDFs?
Ask for them in your quote request. We attach the datasheet, catalogue page or manual we hold for DW181/B/G/K2 to our written reply.
Do you provide technical support for DW181/B/G/K2?
While we do not offer direct technical support, we can assist you in contacting the manufacturer to ensure you receive the support you need.
Characteristics
| Manufacturer | Krohne |
|---|---|
| Part number | DW181/B/G/K2 |
| Inner Code | 3817736 |
| Custom Code | 90261081 |
Technical specification
| Product type | DW181/B/G/K2 Flow Switch DN 40 |
|---|---|
| Nominal size | DN 40 |
| Approval | Without |
| Material | Bronze (baffle plate stainless steel) |
| Housing | Makrolon |
| Gasket | Klingerit |
| Connection | Threaded G1-1/2" |
| Screw connection | Standard PN <= 100 bar |
| Flow coefficient | C/042 (drag disc) |
| Display | Switch point setting display |
| Protection class | IP65 |
| Switch contact | Reed switch (14VA 350 350 VDC 0.4A ac max) |
| Number of contacts | 2 |
| Preset value | According to operating data |
| Switch 1 | NO (black indicator) |
| Switch 2 | N/O (green indicator) |
| Flow direction | Vertical from bottom to top |
| Medium | Liquid |
| Temperature | 20 °C |
| Measuring range | 800 ... 6300 l/h |