82 & 83 Series Double Eccentric High Performance Butterfly Valve

• Series 82: Wafer style; Series 83: Lug style
• TAA compliant
• API 622
• Fire tested to API 607, 7th Edition
• NSF/ANSI 61 – portable water
• ISO 15848-1 API 641 fugitive emission

Features & Benefits

• Wafer and lug
• ASME Class 150, 300, 600
• Tight shut-off design
• One-piece body materials are either Cast Steel or Stainless Steel for excellent corrosion resistance.
• High strength one-piece in A564 Gr.630 materials
• ISO 5211 mounting pad with square shaft permits direct mount actuation for both manual (lever & gear), pneumatic and electric actuators.
• Double off-set configuration with conical angled disc design. Maximize flow and minimize resistance providing high Cv.
• Seat available in either soft (PTFE/RTFE) NBR, EPDM, Viton or Metal (A240 Tp 316/304). Both soft and metal seats are interchangeable.
• Gland flange preventing uneven load distribution against packing.
• Internal travel stop design to prevent over-travel of the disc, minimizing possible seat damage.
• Retainer ring surface finish is 125 to 200 AARH and is compatible with both standard gasket and spiral wound gasket designs. Outside diameter is recessed within a gasket sealing surface to prevent external leakage.
• Heavy duty handle and 10 position notch plates allow for positioning the valve disc to precise angle stops