Normally Open Pneumatic Operated Fluorine Plastic Lined Diaphragm Valve

Design and manufacture: BS5156
Face to face dimension: BS5156
Flange connection: BS4504 DIN2532 JIS B2212 ANSI b16.1
ISO2004

Purpose:

It' s special for controlling the noncorrosive or the strong corrosive media. Its body inner surface is unlined or lined with different fluorine plastics which can be selected to suit with different working temperatures and fluid pipelines.
Suitable temperature: ≤ 85º C≤ 100º C≤ 120º C ≤ 150 º C(According to the materials of lining and diaphragm)

Pressure rating: PN (MPa)
0.6 1.0 1.6

Tests:

Lining layer: Electrospark detecting
Test to BS6755
Nominal pressure: PN(MPa)
Body: PN * 1.5
Seal: PN * 1.1

Materials:

Body : Cast iron, spheroidal graphite cast iron,
carbon steel, stainless steel

Bonnet: Cast iron, spheroidal graphite cast iron,
carbon steel, stainless steel

Lining : Unlined, fluorine plastic

Diaphragm: Fluorine plastic

Disc : Cast iron, carbon steel

Cylinder : Aluminum alloy, carbon steel

Pneumatic: Rubber
diaphragm

Stem : Carbon steel, stainless steel

Handwheel : Cast iron

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