Product Description:

Design and manufacture: GB12239
Face to face dimension: GB12221, JB1688
Connection dimension of flange: GB4216, JB78

Purpose:

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

Pressure rating: PN (MPa)
0.6 1.0 1.6

Tests:

Lining layer: Electrespark detecting
Test to GB/T13927
Nominal pressure: PN(MPa)
Body: PN * 1.5
Seal: PN * l. 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: Spheroidal graphite cast iron

Piston: Carbon steel

Stem: Carbon steel
Handwheel Cast iron