- Sizes –3″, 4″, 6″, 8″, 10″, 12″, 14″, 16″
- Ductile iron body and cover
- Epoxy coated interior & exterior for corrosion resistance
- Certified to ANSI/NSF 61
- Stainless steel bolts
- Buna encapsulated steel flexible disc with nylon fabric reinforcement
- Vertical or horizontal (flow upwards) installation
- 250 psig (1725 kPa/17 barg) maximum working pressure, 500 psig (3450 kPa/35 barg) test pressure
- Optional EPDM disc