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Flanged Butterfly Valve – Overview The flanged butterfly valve is a quarter-turn valve designed for reliable flow regulation and shut-off in pipelines carrying water, air, gas, oil, and other media. Its disc rotates on a central axis, providing quick operation and minimal pressure drop. With a flanged connection on both ends, it offers secure installation and easy maintenance for a wide range of industrial applications. Key Design Features Flanged End Connection Conforms to ASME, DIN, EN, or JIS flange standards for secure, leak-proof pipeline integration. Quarter-Turn Operation 0° to 90° disc rotation allows for fast opening and closing with precise throttling control. Disc & Seat Design Streamlined disc minimizes flow resistance. Resilient or metal seat options to suit various temperature and pressure conditions. Actuation Options Manual (lever or gear-operated) Pneumatic, electric, or hydraulic actuators for automated control systems. Mat ...
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Soft Backing Wafer Butterfly Valve – Overview The soft backing wafer butterfly valve is a compact, lightweight flow control device designed for reliable sealing and quick operation. Featuring a wafer-style body that fits between flanges and a resilient soft seat, it ensures zero-leakage performance for water, air, and compatible industrial media. Its economical design and minimal face-to-face dimensions make it a preferred choice for space-limited installations. Key Design Features Wafer Body Design Fits between standard flanges (ASME, DIN, EN, JIS) and is secured with through-bolts for easy installation. Soft Backing Seat Resilient liner (EPDM, NBR, PTFE, etc.) provides tight shut-off and corrosion resistance, covering both the sealing surface and body bore. Quarter-Turn Operation 0°–90° disc rotation for quick opening, closing, and throttling control. Disc Options Streamlined stainless steel, ductile iron, or coated alloy discs for optimized flow with low pressure loss. Actuation Manual lever or worm gear Pneumatic, electric ...
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Hard Backing LT-Type Lug Butterfly Valve – Overview The hard backing LT-type lug butterfly valve is a heavy-duty quarter-turn valve designed for reliable shut-off and flow regulation in industrial pipelines. Featuring a lug-style body with threaded inserts and a hard seat lining, it offers enhanced mechanical strength, easy pipeline isolation, and superior wear resistance—ideal for high-cycle and abrasive service conditions. Key Design Features Lug-Type Body (LT Design) Equipped with threaded lugs for secure bolt-up between flanges, allowing end-of-line service without downstream piping removal. Hard Backing Seat Metal or hard polymer-backed seat (such as stainless steel, bronze, or reinforced PTFE) provides durability against abrasive or high-temperature media. Robust Disc Options High-strength stainless steel, ductile iron, or coated alloy discs ensure long service life with minimal torque loss. Quarter-Turn Operation Simple 0°–90° rotation for quick opening, closing, and throttling applications. Actuation Flexibility Manual gear operator ...
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