Size

1 in.

1-1/4 in.

1-1/2 in.

2 in.

Connection

Thread / Thread

Groove / Groove

Thread / Groove

PRV

175

200

225

300

None

Orifice Size

3/8" (K2.8)

7/16" (K4.2)

1/2" (K5.6)

17/32" (K8.0)

5/8" (K11.2)

3/4" (K14.0)

None