domain of usage:

Connecting and disconnecting and adjusting water flow in network and distribution lines.

Connecting and disconnecting and regulating the flow of water vapor in thermal industries and facilities.

Mechanism and mode of operation: manual with flake

Variety of models:

1- Straight type model

2- 90 degree Angle Type model

Application temperature range: up to 70 degrees Celsius for water, up to 180 degrees Celsius for steam

Production range:

Angled model) DN32…DN400, PN10…PN40

smooth model) DN50….DN800, PN10….PN40

Reference standards in design and construction:

Valve: DIN3356

Dimensions and drilling of flanges according to standards: DIN-EN 1092/1-2, DIN 2501, ISO 7005/1-2

Hydrostatic tests (sealing, pressure resistance and functional): ISO 5208

Face to face size of two valve flanges according to standards: for smooth model: DIN-EN 558-1 Series 1, DIN 3202-1 Series F1

For 90 degree angle model: DIN-EN 558-1 Series 8, DIN 3202-1 Series F32

Type of cast iron: gray cast iron: DIN-EN 1561 GJL 250 DIN1691 GG-25
Ductile iron: DIN-EN 1563 GJS400-15 DIN 1693 GGG-40

Inner and outer coating: epoxy electrostatic powder paint/epoxy liquid paint.

Important note:

For installation and commissioning, please pay attention to the instructions for the valve (plate) of Navid Kariz Dostan company.

Mechanism and mode of operation: The design of the valves of Navid Kariz Dostan company is such that it manually adjusts and controls the flow rate and flow rate of the fluid in the pipelines by means of the axis and the valve, and in the fully closed state, as An isolation valve works