Pressure Sustaining Valve -- Direct Acting Diaphragm Ductile Iron

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Pressure Sustaining Valve -- Direct Acting Diaphragm Ductile Iron — factory photo 1
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Pressure Control

Pressure Sustaining Valve -- Direct Acting Diaphragm Ductile Iron

Direct-acting diaphragm pressure sustaining valves that maintain a minimum upstream pressure by modulating flow to prevent pressure collapse in pump suction lines, tank inlet headers, and zone isolation points. A reinforced elastomer diaphragm senses upstream pressure and throttles the main valve plug to maintain the setpoint without electricity or compressed air. Ductile iron GGG50 body with SS316 trim for water, wastewater, and light chemical service.

Key Applications

Pump suction pressure sustainingTank minimum inlet pressureZone pressure boundary controlIrrigation header pressure maintenanceFire pump suction protection
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Technical Specifications

Product Type Pressure Sustaining Valve -- Direct Acting Diaphragm Ductile Iron
Category Pressure Control
Body Material Ductile Iron (SG Iron)
Size On enquiry
Pressure Rating On enquiry
End Connection On enquiry
Operation Manual; gear or actuator on enquiry
Standards Confirmed on quotation per applicable standard

Material of Construction

Body: Ductile Iron (SG Iron). Trim, seat and gasket materials are selected for the service conditions and confirmed on the quotation and datasheet.

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 Pump suction pressure sustaining, Tank minimum inlet pressure, Zone pressure boundary control, Irrigation header pressure maintenance, Fire pump suction protection and many other industrial applications.

Expert Support

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

Request a Quote

Your enquiry is pre-filled with this specification. Add contact details and quantity and our engineering team responds within one working day with price and delivery.

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We reply within one working day. Your details are used only to prepare this quotation.

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