Product

Control Lined Diaphragm Valve

Control lined diaphragm valves are suited for precise regulation of corrosive and sensitive fluids in automated systems.

Flow regulation Lined internals Automation ready

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Product Overview

Application and service highlights

Introduction

Control lined diaphragm valves are used where corrosive media must be handled with precise actuation while keeping the working mechanism separated from the process fluid. They are appropriate for controlled dosing, reactor feed and contamination-sensitive flow applications.

Key Features

Combines diaphragm isolation with automated valve operation.
Useful for controlled feed and chemical dosing systems.
Supports process cleanliness by separating media from operating parts.

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

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