225.673.9990
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LDV


The Aegis® weir style diaphragm (LDV) valves feature the most advanced technology available for controlling and isolating extremely corrosive and toxic process fluids and gases. All valves are manufactured utilizing modern computer-aided production methods and molding technology, guaranteeing control of the manufacturing process and reduction of rework thus assuring defect free products that are delivered on time. Each valve is tested and certified per the API 598 specifications and the DIN 3230 part 3, leakage rate 1 specifications for absolute bubble tight shutoff and zero stem leakage.

Specifications

LDV Valve Standard Features
Application Isolaton and Control of Corrosive and Highly-Toxic Process Liquids and Gas
Standards API 598
Size 1"-8"
Body Material ASTM A395 DI
Trim PFA Diaphragm
Temperature Rating -4°F to 302°F
Pressure Rating 235 PSIG
Process Sealing Bubble Tight Shutoff and Zero Stem Leakage
Stem Sealing Diaphragm
Connection Type ASME 150# 
Control Chracteristics Linear
Flow Direction Bi-Directional

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Design Benefits

Maintenance-Free Design,
Self Draining Dead-Space Free Valve Body,
Packless Design,
Mechanical Force Limiting Device to yield long cycle life,
3mm Minimum PFA Liner thickness,
An Intrinsically Safe, External Visual Positioner Indicator,
Ideally Suited for Vacuum and Gas Handling Application

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Applicable Standards

ASME B16.5 - Standard Flange Dimensions
ASME B16.10 - Face-to-Face and End-to-End Dimensions of Valves
ASME B16.34 - Valve Body Minimum Wall Thickness
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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