The VX2 for air is available with resin and aluminum body. Resin body is offered with one touch fitting to reduce installation time. Three body sizes are available, with port size ranges from 1/8 to 1/2 inch (6 to 12mm with resin body). NBR seal is used as standard and FKM or EPDM is optional. Flow rate ranges from Cv of 0.23 to 2.21.