8200 Series Available Orifice Sizes

API ORIFICE SIZE ORIFICE DIAMETER (in) ORIFICE AREA (sq in) Kd (gas) Kd (liquid) SLOPE FLOW FACTOR MINIMUM SET PRESSURE (psig) MAXIMUM SET PRESSURE (psig)
D 0.404 0.128 0.838 0.62 1.97 3.02 15 5500
E 0.52 0.212 0.832 0.656 3.24 5.29 15 2500
F 0.674 0.357 0.836 0.62 5.465 8.41 15 1500
G 0.775 0.472 0.786 0.588 6.8 10.54 15 2000
H 1.078 0.913 0.837 0.62 14 21.5 15 1500

Elastomer Materials

Material Durometer Temperature Set Pressure
Min Max Min Max
Viton 90 -15 400 50 3000
Viton 50 -15 400 15 150
HNBR 80 -25 325 15 2500
EPDM 80 -70 250 15 2500
TEFLON - -420 450 250 5500