LFM500
LFM500
Features
- Lead Free* stainless steel body with stainless steel internal parts
- Meter detects ground leaks and unauthorized water usage
- Patented link check provides low pressure loss
- Extremely compact design is significantly lighter than traditional designs
Series LFM500, LFM500N, LFM500Z reduced pressure detector assembly backflow preventers are designed to prevent the reverse flow of fire protection system substances from being pumped or siphoned into the potable water supply. The LFM500 incorporates a meter to detect ground leaks and unauthorized illegal taps, greatly reducing annual water expenses. It consists of a compact, stainless steel body with stainless steel internal parts, two check valves, a pressure-differential relief valve, shutoff valves, torsion spring checks and relief valve, and bronze, nickel-plated test cocks. Series LFM500, LFM500N, LFM500Z features the certified lowest pressure loss, is 70% lighter than traditional designs and is ideal for health hazard cross-connections, such as on fire sprinkler systems. Check with local water authorities for installation requirements. Maximum working pressure is 175 psi (12.06 bar).
Approval/Certification Information
For product-specific approval information, please refer to the product’s specification sheet (see literature section above) or ask a Watts representative. Some certification agencies allow you to search by product name and brand.
Literature
Select a Model
Select options below to identify the UPC, Order Code, and Repair Kit for a specific LFM500
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| Model | Product Used On - Series or Model | Kit Contents |
|---|---|---|
|
ARK C/M 400/500RV
Relief Valve Rubber Parts Kit |
</br>C400, M400, C500, M500</br> |
RV Diaphragm, RV Piston, RV E-Clip, RV O-ring, Lube</br> |
|
ARK C/M 400/500VT
Total Relief Valve Kit |
</br>C400, C501</br> |
Complete RV with 36 IN Hose, RV O-ring, Lube</br> |
|
ARK M400/M500 CK1 6
First Check Kit |
</br>M400, M500, LFM500</br> |
First Check Assembly, Check O-ring, Lube</br> |
|
ARK M400/M500 CK2 6
Second Check Kit |
</br>M400, M500, LFM500</br> |
Second Check Assembly, Check O-ring, Lube</br> |
|
ARK M400/M500 RC4 6
Check Rubber Parts Kit |
</br>M400, M500, LFM500</br> |
Shutoff Disc, Check O-ring, E-Clip, Lube</br> |
|
ARK M400/M500 RT 6
Complete Rubber Parts Kit |
</br>M400, M500, LFM500</br> |
Shutoff Disc, Check O-ring, Sleeve O-ring, E-Clip, RV Diaphragm, RV Piston, RV E-Clip, RV O-ring, Lube</br> |
|
ARK M400/M500 CK1 8-10
First Check Kit |
</br>M400, M500, LFM500</br> |
First Check Assembly, Check O-ring, Lube</br> |
|
ARK M400/M500 CK2 8-10
Second Check Kit |
</br>M400, M500, LFM500</br> |
Second Check Assembly, Check O-ring, Lube</br> |
|
ARK M400/M500 RC4 8-10
Check Rubber Parts Kit |
</br>M400, M500, LFM500</br> |
Shutoff Disc, Check O-ring, E-Clip, Lube</br> |
|
ARK M400/M500 RT 8-10
Complete Rubber Parts Kit |
</br>M400, M500, LFM500</br> |
Shutoff Disc, Check O-ring, Sleeve O-ring, E-Clip, RV Diaphragm, RV Piston, RV E-Clip, RV O-ring, Lube</br> |
|
ARK M400/M500 CK1 2 1/2-3
First Check Kit |
</br>M400, M500, LFM500</br> |
First Check Assembly, Check O-ring, Lube</br> |
|
ARK M400/M500 CK1E 2 1/2-3
First Check Kit |
</br>M400, M500, LFM500</br> |
First Check Assembly, Check O-ring, Lube</br> |
|
ARK M400/M500 CK2 2 1/2-3
Second Check Kit |
</br>M400, M500, LFM500</br> |
Second Check Assembly, Check O-ring, Lube</br> |
|
ARK M400/M500 CK2E 2 1/2-3
Second Check Kit |
</br>M400, M500, LFM500</br> |
Second Check Assembly, Check O-ring, Lube</br> |
|
ARK M400/M500 RC4 2 1/2-3
Check Rubber Parts Kit |
</br>M400, M500, LFM500</br> |
Shutoff Disc, Check O-ring, E-Clip, Lube</br> |
|
ARK M400/M500 RC4E 2 1/2-3
Check Rubber Parts Kit |
</br>M400, M500, LFM500</br> |
Shutoff Disc, Check O-ring, E-Clip, Lube</br> |
|
ARK M400/M500 RT 2 1/2-3
Complete Rubber Parts Kit |
</br>M400, M500, LFM500</br> |
Shutoff Disc, Check O-ring, Sleeve O-ring, E-Clip, RV Diaphragm, RV Piston, RV E-Clip, RV O-ring, Lube</br> |
|
ARK M400/M500 RT-E 2 1/2-3
Complete Rubber Parts Kit |
</br>M400, M500, LFM500</br> |
Shutoff Disc, Check O-ring, Sleeve O-ring, E-Clip, RV Diaphragm, RV Piston, RV E-Clip, RV O-ring, Lube</br> |