123 Series Excess Flow Check Valves

126 Series Back Pressure Check Valves

 

 

Maximum Working Pressure at 100° Fahrenheit for Standard Manufacture Materials

 

 

HMI Designation

And

NPT Rated Size

(ID Thread)

 Carbon Steel

A108

Maximum

Working Pressure

 Stainless Steel

A479 Type 304

Maximum

Working Pressure

 Hydrostatic Test

Pressure

Equals

2 x Working Pressure
       
123/126-101055 - 1/2" 3881 4852  
123/126-121255 - 1/2" 5634 7053  
123/126-121277 - 3/4" 3109 3886  
123/126-151577 - 3/4" 4500 5625  
123/126-15151010 - 1" 2889 3611  
123/126-202077 - 3/4" 7037 8796  
123/126-202010 - 1" 5579 6973  
123/126-202012 - 1-1/4" 3025 3782  
123/126-25251010 - 1" 6979 8724  
123/126-25251212 - 1-1/4" 4567 5708  
123/126-25251515 - 1-1/2" 2682 3353  
123/126-30301010 - 1" 8745 10931  
123/126-30301212 - 1-1/4" 6540 8175  
123/126-30301515 - 1-1/2" 4791 5989  
123/126-30302020 - 2" 2253 2817  
123/126-40403030 - 3" 2250 2800