Industry

Refineries

A refinery runs hot, continuously and close to its limits. From crude and vacuum columns to hydrotreaters and heater isolation, our pressure-seal gate and globe valves, trunnion ball valves and non-slam check valves are specified where leakage, coking and pump-trip reversal cannot be tolerated.

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In service

Refineries

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

Duty Register

Where it breaks, and how we hold the line

4challenges4answers

01 / 04

Duty condition

Sustained high-temperature hydrocarbon service

Valvax response

Pressure-seal gate and globe valves in WC6 / WC9 chrome-moly bodies

02 / 04

Duty condition

H₂S and sour, corrosive streams

Valvax response

NACE MR0175 material options with hard-faced trims

03 / 04

Duty condition

Coking and erosive, particle-laden fluids

Valvax response

Full-bore trunnion ball valves that pass and clear coke and scale

04 / 04

Duty condition

Positive shutoff on emergency isolation

Valvax response

Metal-seated and fire-safe trunnion ball valves for emergency shutoff

Typical applications

Crude & vacuum distillation units

Hydrotreater and reformer circuits

Sour-water and hot-oil lines

Heater and column isolation

Specified For This Duty

Recommended valves for refineries

Pressure Seal Gate Valve – Class 900 / 1500 / 2500

ASME B16.34 pressure-seal bonnet gate valve for extreme-pressure service. The pressure-seal bonnet design ensures tighter sealing as line pressure increases, ideal for high-pressure steam and process gas.

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Pressure Seal Globe Valve – Class 900 / 1500 / 2500

ASME B16.34 pressure-seal globe valve for extreme service. Butt-weld ends with Grafoil gasket and self-sealing bonnet ensure performance at the highest operating pressures.

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Trunnion Mounted Ball Valve – Class 900 / 1500 / 2500

Heavy-duty trunnion ball valve for extreme pressure service in Class 900, 1500, and 2500. Features full-bore design and Inconel X-750 seat springs for high-temperature capability.

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Axial Flow Non-Slam Check Valve

API 6D axial-flow non-slam check valve with soft seat and metal-to-metal seating options. Spring-loaded diffuser disc closes before flow reversal, eliminating water hammer completely.

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Forged Globe Valve – Class 800 / 1500 / 2500

API 602 / ISO 15761 forged steel globe valve for precision throttling and isolation in small-bore, high-pressure service. Bolted and welded bonnet variants with NPT/socket weld/BW ends.

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