Posted by Vaughn [172.68.132.76] on Saturday, December 11, 2021 at 12:28:01 :
In Reply to: Re: Pump posted by Kaegi [162.158.106.167] on Saturday, December 11, 2021 at 01:36:41 :
Diaphragm size could be deceptive if the length of travel of the diaphragm is shorter on the M37 pump based on the arm and links. At any rate it produces 4 to 5-1/4 pounds of pressure, similar to a civilian pump.