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Cast Steel Check Valves Cast Iron Check Valves Stainless Steel Check Valves Brass Check Valves Lift Check Valves Swing Check Valves Forged Steel Check Valves

Ball Valves

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Cast Iron Ball Valves Cast Steel Ball Valves Stainless Steel Ball Valves Brass Ball Valves Fully Welded Ball Valves Electric Ball Valves Ceramic Core Ball Valves Multiport Ball Valves Rotary Valves Top Entry Ball Valves Floating Ball Valves High Pressure Ball Valves High Temperature Ball Valves V-port Ball Valves

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Globe Control Valves

Plug Valves

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Cast Iron Plug Valves

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Cast Iron Regulating Valves

Balance Valves

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Cast Iron Butterfly Balance Valve Cast Iron Internal Thread Globe Balance Valve Brass Balance Valve Number-lock Balance Valve

Safety Valves

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Closed Spring Loaded Full Bore Type Safety Valve Closed Spring Loaded Low Lift Type Safety Valve High Temperature And High Pressure Safety Valve Pilot Operated Safety Valve Spring Full Bore Type Safety Valve With Radiator Spring Full Bore Type With Lever Safety Valve Spring Loaded Low Lift External Thread Type Safety Valve Spring Loaded Low Lift Type Safety Valve Spring Loaded Low Lift Type With Lever Safety Valve Stainless Steel Spring Loaded Full Bore Type Safety Valve With Handle Twin Spring Type Safety Valve

Instrument Valves

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Needle Valves Other Valves

LNG Cryogenic Valves & Accessories

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LNG Filling Nozzle Cryogenic Gas Return Nozzle Cryogenic Gas Refueling Receptacle Cryogenic Gas Relief Valve Cryogenic Gas Shut-off Valve Cryogenic Gas Breakaway Coupling Cryogenic Gas Pressure Regulator Cryogenic Gas Check Valve

Pipeline Filters

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Cast Iron Filter Cast Steel Filter Stainless Steel Filter Brass Filter

Pipeline & Fittings

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Fittings

Flanges

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Customization

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Two Way Distributing Valve Rotary Discharge Valve

Types of dissolved air flotation

The dissolved air flotation types can be divided into 4 kinds: full flow pressurized, reflux type, partial raw water type and pressurized air type. Below will introduce such 4 kinds in brief:

1. The full-flow pressurized dissolved air flotation method has a large dissolved air volume and requires a small flotation tank volume, which is widely used in oilfield wastewater treatment.

2.Return flow type dissolved air flotation method is part of the purified water back to the dissolved gas tank pressure dissolved gas, and then with the incoming liquid into the flotation cell, so it can be used in the case of raw water need to pre-coagulation and raw water oil content is relatively high.

3.The partial raw water type dissolved air flotation method is similar to the full flow pressurized dissolved air flotation method and is more suitable for treating oilfield wastewater with low oil content.

4.The pressurized dissolved air flotation method is used to press the gas into the liquid through a porous disc, porous plate or a special nozzle, which has a shorter residence time than several other dissolved air flotation processes.

Dissolved Air Flotation (DAF) is a proven and effective water treatment process to clean wastewater, pls choose your needed DAF system according to you actual application field.

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