Brochure

32
The Safety+PLUS excess flow valve helps protect against gas fires and explosions due to line ruptures or disconnects at the appliance. In the
event of either, Safety+PLUS immediately restricts gas flow to a non-hazardous level (bypass) to avert the potential for a dangerous release
of gas into the home.
Gas flow is controlled only at the appliance where the problem occurred; the rest of the home’s system continues to function. Only once
the gas line is properly repaired, the valve’s bypass flow automatically pressurizes the gas line to reset the valve and restore gas flow to the
appliance.
• Automatic Valve Activation
• Automatic Reset
• Easy to Install
• 100% Performance Tested
Appliance Excess Flow Valves
®
3/8" OD Flare (Series 1540)
Low Demand Installations
1/2" OD Flare (Series 1540)
Low to Moderate Demand
Installations
1/2" OD Flare (Series 1550)
Moderate to Large Demand
Installations
5/8" OD Flare (15/16-16 Thread)
[Series 1550]
Moderate to Large Demand Installations
5/8" OD Flare (15/16-16
Thread) [Series 1560]
Large Demand Installations
Part No. Minimum Flow Capacity
(Appliance Btu Rating
should be GREATER than)
Maximum Flow Capacity
(Appliance Btu Rating
should be LESS than)
Closing Flow Rate
EU2-6-8 --------- 48,000 95,000
EU2-6-12 --------- 48,000 95,000
EU4-6-8 --------- 48,000 95,000
EU2-8L --------- 60,500 95,000
EU2-8-12L --------- 60,500 95,000
EU4-8L --------- 60,500 95,000
EU4-8-12L --------- 60,500 95,000
EU1-8-12 60,501 102,000 135,000*
EU2-8 60,501 102,000 135,000*
EU2-8-12 60,501 102,000 135,000*
MEU1-10-12L 60,501 102,000 135,000*
MEU2-10-12L 60,501 102,000 135,000*
MEU5-10L 60,501 102,000 135,000*
MEU1-10-12 75,000 135,000 195,000
MEU2-10-8 75,000 135,000 195,000
MEU2-10-12 75,000 135,000 195,000
MEU5-10 75,000 135,000 195,000
NOTE: All Safety+PLUS valves require a minimum inlet pressure of 4" W.C. and are rated at a maximum inlet pressure of 1/2" psig. All Safety+PLUS valves have a maximum 5 SCFH bypass ow rate.
Flow rates given are for 0.6 specic gravity natural gas with an average heating value of 1,000 Btu per cubic foot; therefore, 1 kBth/h is equal to 1 SCFH (standard cubic foot per hour).
*When the excess ow valve is installed in the vertical downward position (ow arrows pointing toward the oor), the closing ow rate is 110,000 Btu/h.
FLOW CAPACITY (Btu/h) – Sizing the Excess Flow Valve
EXCESS FLOW VALVES
EXCESS FLOW VALVES