Product

Controlled Lined Butterfly Valve

Controlled lined butterfly valves offer modulating service with a compact lined design and automation-ready operation.

Flow regulation Lined internals Automation ready

Product Overview

Application and service highlights

Introduction

Controlled lined butterfly valves are selected for automated flow control in larger corrosive lines where compact body size and actuator integration are important. They are commonly used on utility headers, tank farms and transfer systems requiring remote operation.

Key Features

  • Provides automated control in medium and large diameter lines.
  • Compact valve profile helps reduce installation space requirements.
  • Suitable for remote modulation or on-off duty in chemical service.

Specifications

Material, dimensions and testing standards

Material

  • Body: Industrial-grade body construction with PTFE lined wetted path.
  • Actuation: Suitable for manual, pneumatic or electric operation.
  • Sealing: Soft seats and diaphragms selected for aggressive media handling.

Dimensions

  • Designed for control duty across standard process line sizes.
  • Face-to-face dimensions aligned with common valve standards.
  • Actuator mounting arrangement supports plant automation packages.

Testing

  • Bench tested for travel and shut-off performance.
  • Seat and shell pressure tests completed prior to release.
  • Lined surfaces checked for integrity and finish.

Technical Drawing

Cross-sectional reference

Controlled Lined Butterfly Valve technical drawing
Representative technical drawing. Detailed dimensions as per dimensional table.

Dimensional Specifications

Dimensional table

Size Diameter (D) Raised Face (R/F) P.C.D (K) Flange Thick. (T) No. of Holes (N) Hole Dia (B) Lining Thickness (±0.5mm) Length ± 5mm (Max L)
NB Inch
25 1" 33.7 50 79 15 4 15 3 600
40 1.5" 48.3 65 95 17 4 18 3 600
50 2" 60.3 80 127 19 4 19 3 500
80 3" 88.9 100 152 22 4 22 3 400
100 4" 114.3 125 178 24 8 22 3 300