Transcription of KNIFE GATE VALVE OPTIONS AND ACCESSORIES
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KNIFE GATE VALVE OPTIONS AND ACCESSORIES
KGV_Acc 7/5/05 2:22 PM Page 1. KNIFE gate VALVE OPTIONS AND ACCESSORIES . BACK SEAT STOPS RATCHETS. Primarily for unidirectional KNIFE Where KNIFE gate valves are gate valves , back seat stops can closely mounted to tanks and be added in applications where other structures, large hand- there is low pressure differential wheels may not be appropriate. (less than 35 PSI) across the VALVE Ratchets can be adapted to KNIFE or where reverse pressure could gate valves to allow operation at unseat the VALVE . Back seat stops the unobstructed side. Use of ratchets are limited by VALVE help maintain shut off by holding size and torque requirements. Contact FNW regarding the blade close to the seat and prevent blade deflection in specific applications. The figure 2000 BTIV (tank isolation severe reverse flow.)
KNIFE GATE VALVE OPTIONS AND ACCESSORIES 4120 N.E. Columbia Blvd. • Portland Oregon USA 97211 Phone: 503-287-8383 • Fax: 503-281-9677 • www.fnwvalve.com DEFLECTION CONES In abrasive services, deflection cones can be mounted between the upstream valve flange and the adjoining piping. Though reducing the port area slightly,
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