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KNIFE GATE VALVE WB14

KNIFE GATE VALVE WB14
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Data is only for informational purpose. All specifications are subject to change without notice. First in knife gate solutions 2020-10-15 issue 11

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Knife gate valve WB14 Stafsjö's WB14 knife gate valve offers superior flow characteristics and bi-directional zero leakage shut-off. It is suitable for fluids such as water, sludge, bio mass and light slurry. Integrated flange gaskets simplify installation works and the fully lugged body makes it also suitable for dead-end services. The WB14 valve is modular designed and it can easily be customized in materials, with actuators and related automation accessories to different process conditions. It is supplied with a robust one piece and fully lugged valve body in nodular iron up to DN 300...

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The WB14 sealing system up to 260 °C. The gland (2) and gland bolts ensure even distribution of the gland force as the nuts are tightened. The valves' integrated flange (3) gaskets simplify the installation works and preserve a tight flange sealing. The perimeter resilient seat guarantee a tight sealing independent of pressure direction and the steel reinforcement (4) makes it steady and enhance durability. The linear locks (5) on the gland up to DN 300 securely hold the steel reinforced seat in position as the gate strokes. From DN 350 the seat is locked between the valve body halves. The...

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Pressure class Max working pressure at 20 °C High pressure 10 bar version Sizes: DN 50 - DN 600 Valve body: Nodular iron EN 5.3105, EN-JS1050, GGG50 Gate: Stainless steel EN 1.4301, AISI 304 Box packing: TwinPack Top works: Stainless steel tie rods encapsulated in aluminium beams including stainless steel gate guards on automated valves Options and others from below. Sizes: DN 350 - DN 600 Valve body: Nodular iron EN 5.3105 Gate: Duplex stainless steel EN 1.4462, S32205 Box packing: TwinPack Top works: Stainless steel tie rods encapsulated in aluminium beams including stainless steel gate...

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One piece valve body: DN 50 - DN 300 Two piece valve body: DN 350 - DN 600 Hand wheel Coated cast iron Anodized aluminium Coated carbon steel ASTM A216 WCB, coated nodular iron EN-JS1050, GGG50 Slide washer Valve body Flange sealing Valve body boltings Zinc plated steel Gate guards Pneumatic cylinder See separate data sheet 1) Recommended spare parts

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One piece valve body: DN 50 - DN 300 M S Two piece valve body: DN 350 - DN 600 I 1) Face-to-face dimension according to EN558-1 series 20/ISO 5752 series 20 for valves DN 50 - DN 350 with flange drilling according to EN 1092 PN 10, EN 1092 PN 16, AS 2129 Table D and E. 2) Face-to-face dimension according to MSS-SP81 for valves DN 50 - DN 600 valves with flange drilling according to ASME/ANSI B 16.5 Class 150 and for valves DN 350 - DN 600 with flange drilling according to EN 1092 PN 10, EN 1092 PN 16, AS 2129 Table D and E. 3) Dimensions for standard pressure rated valve. 4) Recommended...

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Flange drilling according to EN 1092 PN10 DN Bolt circle diameter (mm) Number of throughgoing bolts Number of tapped holes/side Boltsize Bolt lengths (mm) 1) Flange drilling according to EN 1092 PN16 DN Bolt circle diameter (mm) Number of throughgoing bolts Number of tapped holes/side Boltsize Bolt lengths (mm) 1) Flange drilling according to ASME/ANSI B 16.5 Class 150 DN Bolt circle diameter (mm) Number of throughgoing bolts Number of tapped holes/side Boltsize Bolt lengths (mm) 1) Flange drilling according to AS 2129 Table D DN Bolt circle diameter (mm) Number of throughgoing bolts Number...

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