Harwil® type L-21N & L-21VCR industrial level switches are low cost, high performance switches made from highly durable plastics. They feature a variable liquid differential and a single point pump up/pump down level control. Interchangeable differential band modules, for all non L-21+ versions, allow for 5 minute on-site switching of differentials from 1″ to 2″ to 3″ to 5″ in any sequence to satisfy variable operational requirements as they occur.
[button href=”/wp-content/uploads/2016/10/harwil_l21n_l21vcr_switch.pdf” target=”_blank” icon=”no-icon” class=”btn-ghost”]Data Sheet[/button]
| Manufacturer | |
|---|---|
| Series | |
| Item Type | Industrial, OEM |
| Moving or Non-Moving Parts | Moving Parts |
| Technology | Float |
| Body Material | Plastic |
| Switch Point Amount | Multi Point |
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Built for durability, Gems® LS-7 Series switches utilize stainless steel, or zinc bodies. Ideal for any small tank or vessel destined for a rugged environment. All-stainless steel material of construction of Types 9 and 11 is generally recognized as safe with FDA for food contact regulations.
[button href=”/wp-content/uploads/2016/10/gems_ls7_switch.pdf” target=”_blank” icon=”no-icon” class=”btn-ghost”]Data Sheet[/button]
| Item Type | Moving or Non-Moving Parts | Technology | Body Material |
|---|---|---|---|
| OEM | Moving Parts | Float | Stainless Steel, Plastic, Other |
Kobold® type NKP is an economical level switch available in polypropylene or PVDF wetted materials allowing for wide compatibility with many aggressive liquids. It is distinguished by its repeatable response, compact size, and high capacity reed switch and is designed for installation into the side walls of tanks. The switch function may be changed from normally open to normally closed by rotating it 180°.
[button href=”/wp-content/uploads/2016/10/kobold_nkp_switch.pdf” target=”_blank” icon=”no-icon” class=”btn-ghost”]Data Sheet[/button]
| Item Type | Moving or Non-Moving Parts | Technology | Body Material |
|---|---|---|---|
| OEM | Moving Parts | Float | Plastic |
Gems® type ELS-1100HT high temperature switches are slightly larger than the ELS-1100 and made from high performance Isoplast® plastic. While maintaining broad chemical compatibility, these units also handle fluid temperatures to 212°F. They feature 3⁄8” NPT mountings and the shortest of any of our plastic electro-optic switch bodies. HTS versions are a mere ½” long.
[button href=”/wp-content/uploads/2016/10/gems_els1100ht_switch.pdf” target=”_blank” icon=”no-icon” class=”btn-ghost”]Data Sheet[/button]
| Item Type | Moving or Non-Moving Parts | Technology | Body Material |
|---|---|---|---|
| OEM | Non-Moving Parts | Electro-Optic | Plastic |
Gems® type ELS-1100TFE switches are the ultimate solution when high purity or resistance to chemical attack is vital. They feature a pure Teflon body and prism construction. The Hypalon® vapor barrier and Teflon coated lead wires give evidence to the care that’s been taken to make this the perfect liquid level sensor for pharmaceuticals, semiconductor manufacturing, food and beverage, chemical processing, or anywhere purity or chemical resistance is the major criteria.
[button href=”/wp-content/uploads/2016/10/gems_els1100tfe_els1100flg_switch.pdf” target=”_blank” icon=”no-icon” class=”btn-ghost”]Data Sheet[/button]
| Item Type | Moving or Non-Moving Parts | Technology | Body Material |
|---|---|---|---|
| OEM | Non-Moving Parts | Electro-Optic | Plastic |
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