These are typically factory ordered with a pre-set pressure setting (*suffix of 'xxx' to specify rating between 5-25psi). Common pressure settings are 15 or 18psi. We offer either a standard flow (A2180 Series) or a high volume (A2182 Series). The A2182 Series has a EPDM rubber coated poppet, which reduces the ability of product sticking to the poppet.