Lined Diaphragm Valves


Fully Lined Structural Composite High Performance Diaphragm Valves.

The Aegis® LDV/SC series are fully lined composite body diaphragm valves. The LDV/SC valve offers an ideal solution to process condition where internal and external corrosion issues exist, as well as application where electrolytic corrosion and weight are concerns.
LDV/SC Valve Standard Features
Application Internal and Externally Corrosive and Ultra-Pure Processes
Standards 16.5, API 598
Size 1/2"-4"
Body Material  40% GF PPS
Trim PFA
Temperature Rating -4°F to 284°F
Pressure Rating 145psi. 
Process Sealing Gas Tested, Bubble Tight per API 598
Stem Sealing Paraflon Diaphragm with Gas Barrier
Connection Type ASME 150#
Control Characteristics Linear
Flow Direction  Bi-Directional
Design Benefits
Maintenance-Free Design,
Strong, Lightweight Body Material Ideal for Fiberglass Piping Systems,
Molded Closed Diaphragm,
Self-Draining Dead-Space Free Valve Body,
Packless Design, Zero Stem Leakage,
3mm Minimum, Securely Anchored PFA Liner,
Ideally used for Control and Isolation Valves,
Laminated Paraflon Diaphragm with Gas Barrier,
Atmospheric Bonnet Seal,
Structural Composite Body/Bonnet,
Visual Position Indicator on Hand wheel
Applicable Standards
ASME B16.5 - Standard Flange Dimensions
ASME B16.10 - Face-to-Face and End-to-End Dimensions of Valves
API 598 - Details for the Testing and Inspection Requirements for Diaphragm Valves
MSS SP-25 - Standard Marking System for Valves
Chlorine Institute Pamphlet #6 - Piping Systems for Dry Chlorine

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