Product Specifications

Screwed Manual Diaphragm Valve Unlined

Valve Type DIAPHRAGM VALVE

Operation Manual

Body DI/CI

Lining Unlined

Shape SCREWED TYPE

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Product Overview

Screwed Manual Diaphragm Valves offer exceptional durability, reliability and control. The clean design completely isolates line media from the mechanical components of the valve.

The Features & Benefits of diaphragm valve design：
Bubble-tight shutoff (Class VI)
Cavity free design
Easy/low maintenance
In-line serviceable (top entry)
No stem seal leakage
Standard Position indicator

Technical Parameters

Applications: Water and waste water,Organic sludge, Effluent treatment, Lime solutions, Gases (e.g. compressed air) Lubricating oil

ST Type Nominal Size: DN25/40/50

WT Type Nominal Size: DN15-DN80

Face to Face: Manufacturer’s Standard

Flange Drilling: ANSI B2.1 NPT, AS1722.1 Part1 BSPP

Pressure: Up to 16 Bar (Elastomer Diaphragm); Up to 10 Bar (PTFE Diaphragm) Max pressure varies across size range

Testing Standards： EN12266-1 2002(BS6755 Part 1)

Why Choose Our Valves?

ISO Certified Process
Mechanical Lining Technology
35-45 Day Delivery Cycle

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For custom sizing and material options