Product Description:

Design and manufacture: GB12236
Face to face dimension: GB12221
Connection dimension of flange: GB4216

Purpose:

It's special for controlling the strong corrosive media. Its body inner surface is lined with different fluorine plastics. It features a high strength and aprominemt performance of corrosion resistance. It can be selected to suit with different working temperatures and fluid pipelines and be suitable for the one way open and close to prevent the reflunce of the medium in the pipelines or facilities.

Suitable temperature:
¡Ü85º C¡Ü100º C¡Ü120º C¡Ü150º C (According to the lining material)

Pressure rating: PN (MPa)
0.6 1.0 1.6

Tests:
Lining layer: Electrospark detecting
Test to GB/1-13927
Nominal pressure: PN(MPa)
Body: PN X 1.5
Seal: PN X 1.1

Materials:

Upper body: Cast iron, spheroidal graphite cast iron, carbon steel

Lower body: Cast iron, spheroidal graphite cast iron, carbon steel

Lining: Fluorine plastic

Disc: Carbon steel fully covered with fluodne plastic