Steam Equipment

Fixed Nozzle Desuperheater Control Valve CF8 (SS304) 400 mm steam line

Fixed Nozzle Desuperheater Control Valve for superheated steam temperature reduction by controlled water injection. ASTM A351 Gr. CF8 body sized for 400 mm steam line. Fixed nozzle spray design for near-constant load applications. Maximum turndown 3:1. Maintains final temperature within 50 °C of saturation. Used when spray water to steam line pressure difference is high. Steam side mounting flange typically 80 NB; water side flange 25 or 40 NB. Spray nozzle SS316 with optional Stellite.

Key Applications

Power Plant DesuperheatingProcess Steam ConditioningPRDS Station DesuperheaterTurbine Bypass Conditioning
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Technical Specifications

Valve Type Fixed Nozzle Desuperheater Control Valve
Steam Line Size 400 mm steam line
Body Material ASTM A351 Gr. CF8
Nozzle Material SS 316 (Stellite optional)
Steam Line Size Range 25 mm to 400 mm NB
Water Connection 25 mm or 40 mm NB flange
Steam Mounting Flange 80 NB typical
Pressure Rating Class 150 to Class 2500
Turndown 3:1
Temperature Control Within 50 °C of saturation
Manufacturer Supreme Valves India

Material of Construction (MOC)

Component / Part Available Materials
Body / Flanges ASTM A351 Gr. CF8
Spray Nozzle SS 316; Stellite overlay optional
Internal Trim SS 304 / SS 316
Gasket Aramid fibre, non-asbestos

Purchase Options

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Features & Benefits

Fixed Nozzle Desuperheater Control Valve

Fixed nozzle spray design for near-constant load applications. Maximum turndown 3:1. Maintains final temperature within ...

Atomized Water Injection

Fine mist evaporation for rapid heat transfer and stable outlet temperature.

CF8 (SS304) Body

ASTM A351 Gr. CF8

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  • Valve type: Fixed Nozzle Desuperheater Control Valve
  • Size: 25 mm to 400 mm NB
  • Material: ASTM A351 Gr. CF8
  • Pressure class: Class 150 to Class 2500

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