Pressure Reducing Valve -- Direct Acting Diaphragm Ductile Iron

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Pressure Control

Pressure Reducing Valve -- Direct Acting Diaphragm Ductile Iron

Direct-acting diaphragm pressure reducing valves that maintain a constant downstream pressure regardless of upstream pressure fluctuations or flow demand changes. A reinforced elastomer diaphragm senses downstream pressure and modulates the main valve plug to hold the setpoint. Self-acting design requires no electricity, compressed air, or external control. Ductile iron GGG50 body with SS316 trim for water distribution, building services, irrigation, and industrial feedwater systems.

Key Applications

Building inlet pressure regulationWater distribution zone reductionIrrigation system pressure controlIndustrial feedwater pressure balancingFire hydrant pressure limiting
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Technical Specifications

Product Type Pressure Reducing Valve -- Direct Acting Diaphragm Ductile Iron
Category Pressure Control
Size Range 1/2" to 48" (DN15 to DN1200)
Pressure Class 150# to 2500# (PN10 to PN420)
End Connections Flanged, Threaded, Socket Weld, Butt Weld
Operation Manual, Gear Operated, Electric Actuated, Pneumatic Actuated
Standards ASME B16.34, API 600, API 602, BS 1873, DIN 3352

Material Options

Carbon Steel

ASTM A216 WCB, A105, A350 LF2

Stainless Steel

SS304, SS316, SS316L, SS321, SS347

Alloy Steel

ASTM A217 WC6, WC9, C5, C12

Duplex Steel

F51, F53, F55, Super Duplex

Exotic Alloys

Monel, Hastelloy, Inconel, Titanium

Bronze & Brass

Gunmetal, Aluminum Bronze, Naval Brass

Purchase Options

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Features & Benefits

High Performance

Designed for reliable operation under demanding conditions with minimal maintenance requirements.

Quality Assurance

Complete material traceability, mill test certificates, and compliance with international standards.

Wide Application Range

Suitable for Building inlet pressure regulation, Water distribution zone reduction, Irrigation system pressure control, Industrial feedwater pressure balancing, Fire hydrant pressure limiting and many other industrial applications.

Expert Support

Technical assistance for valve selection, sizing, and application engineering from our experienced team.

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