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KNIFE GATE VALVES -- MODEL A

DOC. A.12/07

PRODUCT DESCRIPTION

Wafer style, uni-directional knife gate valve. One piece integral cast body with guides to support the gate and seating wedges. High flow rates with low pressure drops. Several seat and packing materials available. Face to face dimension according CMO standard. Arrow in the body pointing the flow direction.

GENERAL APPLICATIONS

This knife gate valve is appropriate for liquids with a solids concentration of maximum 5%. If it is used for dry solids in gravity feed applications it is recommended to be installed with the arrow in the opposite direction to the flow direction. Designed for a wide range of applications such us: - Pulp and Paper. - Mining. - Effluent handling plants. - Chemical plants. - Food and beverage. - Bulk conveying. - Sewage applications. - Chemical plants.

TECHNICAL DATA

Standard manufacturing sizes: From DN50 up to DN1200 (bigger sizes under request) Working pressures: From DN 50 to DN 125: 10 (kg/cm2) DN 150: 8 (kg/cm2) DN 200: 7 (kg/cm2) From DN 250 to DN 300: 5 (kg/cm2) From DN 350 to DN 400: 4 (kg/cm2) From DN 450 to DN 600: 3 (kg/cm2) From DN 700 to DN 1200: 2 (kg/cm2) Note : These pressures are to be applied on the valve following the direction of the arrow stamped on the body side. Due to the valve design with supporting guides it is allowed 30% of these pressures in the opposite direction of the arrow. Flange connection drillings: The standard flange connection is according to DIN PN10. Other flange connections such as, ANSI 150, DIN PN6 – PN16 – PN25, British Standard, Australian Standard, JIS Standard, are available under request. Applied Directives: Directive 98/37/CE (machinery), Directive 97/23/CE (PED: Group 2), Directive 94/9/CE (ATEX: Group II, Cat. 3 / Zones 2 and 22) Quality Dossier: All valves are hydrostatically tested at CMO with water and CMO material and test certificates can be provided. Body test pressure = Maximum rated pressure x 1,5 Seat test pressure = Maximum rated pressure x 1,1 C.M.O. Amategui Aldea 142, 20400 Txarama-Tolosa (SPAIN) Phone: 943-67.33.99 / Fax:943.67.24.40 / cmo@cmo.es http://www.cmo.es -1-