Product Description:

Design and manufacture: GB12237
Face to face dimension: GB12221
Connection dimension of flange: JB78

Purpose:

It'sspecial for controlling the strong corrosive media. Its body inner surface is lined with different fluorine plastics which Can be selected to suit with different working temperatures and fluid pipelines. It features a high strength and aprominernt performance of corrosion resistance.

Suitabletemperature:

≤ 100º C≤ 120º C≤ 150º C(According to the lining material)

Pressure rating: PN (MPa)
0.6 1.0

Tests:

Lining layer: Electrospark detecting
Test to GB/-r13927
Nominal pressure: PN(MPa)
Body: PN * 1.5
Seal: PN * 1.1
Low pressure sealing: 0.4~0.7MPa

Matedals:

Body: Cast iron, carbon steel

Body: End Cast iron, carbon steel

Lining: FEP

Sealing: PTFE

Ball: Carbon steel core fully covered with fluodne plastic

Filling: PTFE

Hand lever: Carbon steel