Model CBVF is a combination butterfly valve and flanged style venturi. The carbon steel venturi connects to standard ANSI Class 150 pound flanges, and is combined with a lug type butterfly valve for throttling. The cast iron butterfly valve has a combination infinite/10 position memory stop plate, a one piece disc/shaft, a triple shaft bearing, an aluminum-bronze disc for sizes 2-1/2" - 8", a nickel plated disc for the 10" and 12" sizes, and an EPDM standard liner. It also comes with two pressure/temperature ports.
Unit of Measure

Specifications

Size

N/A 4 in

Lower Flow Range

N/A 130 gpm

Upper Flow Range

N/A 720 gpm

Flow Factor

N/A 1029

Weight

N/A 56 lb

Specification No.

N/A MBV-SPEC-MV10-005

Dimension A

N/A 12.5 in

Dimension B

N/A 14.5 in

Dimension C

N/A 9.0 in

Dimension H1

N/A 10.5 in

Dimension H2

N/A 9.0 in

Dimension P

N/A 6.0 in

Material Specifications

Venturi

N/A Steel Casting, Carbon ASTM A216 Grade WCB

Flange

N/A Forged Carbon Steel ASTM A105

Butterfly Valve

N/A Nodular Cast Iron ASTM A536 60-4-18

Seat Material

N/A EPDM Rubber

Disc (2-1/2"-8")

N/A Aluminum-Bronze Sand Casting, ASTM B148 C95800

Disc (10" & 12")

N/A Nickel Plated Aluminum-Bronze Sand, Casting ASTM B148 C95800

Shaft

N/A Stainless Steel AISI 410

O-Rings

N/A EPDM Rubber

Bearing

N/A Copper ASTM B45

Bearing Bush

N/A PTFE

Hand Lever

N/A Nodular Cast Iron ASTM A536 60-4-18

Note

N/A Denotes a gear operated valve.
All dimensions and materials are subject to minor variations.