AIKIO Through conduit Knife Gate Valve, Type B Datasheet AKO Armaturen & Separationstechnik GmbH Tel.: +49 6147 9159-0 65468 Trebur-Astheim E-Mail: [email protected]

Al Kl O Through conduit Knife Gate Valve, Type BDatasheet Technical changes kept in reserve The B model knife gate is a bi-directional wafer valve designed for media with high consistency. The double seat design assures a non-clogging shut o on either normal or reverse ow. The valve is used in a wide range of demanding applications in industries such as: ) Wastewater Treatment Plants ) Pulp & Paper ) Chemical plants DN 50 to DN 600 (larger diameters on request) Standard ange connection I DIN PN 10 and ANSI B16.5 (class 150) I Other ange connections are available on request such as: DIN PN 6,...

Al Kl O Through conduit Knife Gate Valve, Type BDatasheet Technical changes kept in reserve Design features I BODY: Wafer style cast two-part bolted body, internally machined, with reinforced ribs in larger diameters for extra body strength. Internal UHMW Polyethylene sliders for smoother gate travel (stainless steel version only). Full port design for greater flow capacity and minimal pressure drop. I SELFCLEANING GATE: Stainless steel gate as standard. One piece gate with o-port design. While closing, the gate moves a disc of material laterally which returns to the flow when opening. Gate is...

Through conduit Knife Gate Valve, Type B Technical changes kept in reserve Other options ❱ Bonnet (Fig.1): Assures tight sealing to atmosphere for using with hazardous gas or fluids. Reduces packing maintenance. ❱ Diamond port: Excellent flow regulation ❱ Flush ports: Allow for cleaning of solids trapped within the body cavities that can obstruct the flow or prevent the valve from closing. Purging can be made with air, steam, liquids, etc. depending on the process. ❱ Other materials of construction: Special alloys such as AISI 317, 254SMO, Hastelloys, Titanium, etc. ❱ Fabricated valves: AKO is...

Al Kl O Through conduit Knife Gate Valve, Type BDatasheet Technical changes kept in reserve Actuator types Manual ) Handwheel (rising & non-rising stem) ) Chainwheel I Lever ) Bevel Gear I Others (square nut...) Automatic ) Electric ) Double Acting Pneumatic ) Single Acting Pneumatic ) Hydraulic All actuators supplied by AKO are interchangeable. Fail safe systems Accessories Used on pneumatic actuated valves, I SINGLE ACTING / SPRING RETURN • Available from ND 50 to ND 200 • Options: I Fail open I Fail closed I SINGLE ACTING / VOLUME TANK • Available for all sizes (ND>200) • Options: I Pneumatic...

Al Kl O Through conduit Knife Gate Valve, Type BDatasheet Technical changes kept in reserve Temperature-chart Seat Packing Material Max T. (° C) Applications Metal/Metal >250 High temp. Low tightness. EPDM (4) 120 Acids and non mineral oils. Nitrile (7) 120 Resistance to petroleum products. Viton (5) 200 General chemical service. High temperature. Silicone (6) 250 Food service. / High temperature. PTFE (9) 250 Corrosion resistance. PTFE impregn. synth. fibre (F) 240 2 - 13 NOTE: all types include an elastomere O-ring (same material as seal), excluding GB, B and J. More details and other material...

Al Kl O Through conduit Knife Gate Valve, Type BDatasheet Technical changes kept in reserve Handwheel (rising stem) Standard handwheel actuator Consists on: ) Handwheel: Epoxy coated Cast Iron ) Stem ) Stem nut ) Stem protector Available from ND 50 to ND 600 Options (on request): I Locking Device ) Extensions AKO Armaturen & Separationstechnik GmbH Tel.: +49 6147 9159-0 65468 Trebur-Astheim E-Mail: [email protected]

Al Kl O Through conduit Knife Gate Valve, Type BDatasheet Technical changes kept in reserve Handwheel (non-rising stem) • Recommended for installation where space is limited • Consists on: ) Handwheel: Epoxy coated Cast Iron ) Stem ) Yoke bushing ) Stem nut xed to the gate • Available from ND 50 to ND 600 • Options (on request): ) Locking Device ) Extension ) Square Nut Drive AKO Armaturen & Separationstechnik GmbH Tel.: +49 6147 9159-0 65468 Trebur-Astheim E-Mail: [email protected]

Al Kl O Through conduit Knife Gate Valve, Type BDatasheet Technical changes kept in reserve Chainwheel • Recommended for elevated installations • Consists on: ) Chainwheel: Epoxy coated Cast Iron ) Stem ) Stem nut ) Stem protector • Available from ND 50 to ND 600 • Options (on request): ) Locking Device ) Extension ) Non-rising Stem AKO Armaturen & Separationstechnik GmbH Tel.: +49 6147 9159-0 65468 Trebur-Astheim E-Mail: [email protected]

Al Kl O Through conduit Knife Gate Valve, Type BDatasheet Technical changes kept in reserve • Recommended for valves larger than ND 350 and working pressures greater than 3.5 kg/cm2 • Consists on: ) Stem ) Yoke ) Bevel Gear Actuator with Handwheel (Standard Ratio 4:1) • Available from ND 200 to ND 600 • Options (on request): ) Locking Device ) Extension ) Chainwheel I Non-rising stem AKO Armaturen & Separationstechnik GmbH Tel.: +49 6147 9159-0 65468 Trebur-Astheim E-Mail: [email protected]

Al Kl O Through conduit Knife Gate Valve, Type B Datasheet Technical changes kept in reserve Pneumatic cylinder • The standard pneumatic actuator (double acting on-o cylinder) consists on: ) Aluminium jacket and covers ) Stainless Steel (AISI 304) piston rod ) Nitrile coated steel piston • Available in ND 50 to ND 600 • Supply Pressure:minimum 3.5 kg/cm2 - maximum 10 kg/cm2 • For valves installed in a horizontal position, we recommend U-type support plates and/or actuator support. • Options: ) Hard anodized jacket and covers ) Over / Undersized cylinder ) Stainless Steel jacket and covers ) Manual...

Al Kl O Through conduit Knife Gate Valve, Type B Datasheet Technical changes kept in reserve Electric Actuator Consists on: ) Electric motor ) Rising stem ) Motor support yoke (Acc. to ISO 5210/DIN 3338) The standard electric motor is equiped with: ) Manual emergency operation ) Limit switches (open/closed) I Torque switches Available from ND 50 to ND 600 Wide range of types and marks available to meet customer's needs. Option: I Non rising stem AKO Armaturen & Separationstechnik GmbH Tel.: +49 6147 9159-0 65468 Trebur-Astheim E-Mail: [email protected]