Industry

Water Treatment

Water infrastructure is built once and expected to run for generations. Our gate, butterfly and check valves for water duty prioritise long service life, low headloss and easy maintenance across treatment plants, pump stations and distribution networks.

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In service

Water Treatment

Applications: 5
Duty challenges: 4
Valvax answers: 4
Recommended: 5

Duty Register

Where it breaks, and how we hold the line

4challenges4answers

01 / 04

Duty condition

Long-term corrosion resistance

Valvax response

Stainless trim options for seawater and brine

02 / 04

Duty condition

Low headloss requirements at large diameters

Valvax response

Double-offset butterfly valves for low-loss isolation

03 / 04

Duty condition

Slam and surge on pump stop

Valvax response

Dual-plate and swing check valves against reverse flow

04 / 04

Duty condition

Minimal-maintenance expectations

Valvax response

Cast gate valves to API 600 for trunk mains

Typical applications

Treatment plant process lines

Pump station isolation

Distribution networks

Desalination circuits

District cooling & HVAC

Specified For This Duty

Recommended valves for water treatment

Double Offset Lug Butterfly Valve – Class 150 / 300 / 600 (8" and above)

API 609 double-offset (double-eccentric) butterfly valve in wafer, lug, and flanged-end configurations. Stellite 6 body seat and EPDM/PTFE disc seat for bubble-tight shutoff in industrial service.

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Concentric Design Butterfly Valve – Class 150 (6" and below)

API 609 concentric (centric-disc) lug-type butterfly valve for small-bore lines, with a worm-gear operator. Stellite 6 body seat and EPDM/PTFE disc seat for bubble-tight shutoff.

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Cast Gate Valve – Class 150 / 300 (API 600)

API 600 bolted-bonnet cast gate valve with rising stem and outside screw & yoke. Integral seat ring and stellited wedge for zero-leak isolation in oil, gas, and steam service.

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Cast Swing Check Valve – Class 150 / 300 / 600 / 900

BS 1868 full-bore swing check valve with hinged disc and integral seat ring. Seal welded seat with Stellite 6 disc overlay for long-term bubble-tight closure.

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Dual Plate Check Valve – Wafer Type

Retainer-less, metal-seated dual plate check valve per API 594 in a compact wafer body clamped between two line flanges. INCONEL X-750 spring gives fast, non-slam closure for high-velocity service.

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Next Step

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Our water treatment specialists respond to enquiries with a compliant selection and firm pricing, typically within one working day.

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