dual seal auto valve

Nominal diameter : DN200 ~ DN3000

Nominal pressure : PN2.5 ~ PN40

Suitable medium : water, sea water , sediment water, oil , etc.

Medium temperature : ≤425 ℃

Valve open time : 20 to 90 seconds ( adjustable)

Fast off time : 2.5 to 20 seconds (adjustable )

Slow closing time: 6 to 90 seconds ( adjustable)

Fast off angle : 70 ° ± 10 °

Slow off angle : 20 ° ± 10 °

Full state minimum flow resistance coefficient : 0.3

Optional media control system : 1 , pipeline medium 2 , water

Optional solenoid control voltage : AC220V, DC24V

Status signal: passive switch signal , 4 ~ 20mA analog signal

Double sealed automatic control valve combines electric valve, electric butterfly valve, and a check valve function, and through quick shut off gentle movements to eliminate water hammer hazards, protect the safety of the pump and pipe network system, widely used in electricity, metallurgy, construction, water supply and drainage pumping stations and other automated systems.

FEATURES

◆three eccentric structure

◆ inclined to 75 degrees

◆reducing the shut valve stroke

◆ shortening the distance ring slip

◆reducing the friction torque

◆ anti-sediment

◆ pressure automatic compensation effect

◆  simple operation and maintenance

The key parts are made of stainless steel, copper alloys and other high-quality materials.

It can also be installed valve position transmitter, sends 4 ~ 20mA analog valve position signal to a remote control room, remote monitoring.

Part C I P R
Body WCB,Q235,Q345 ZG1Cr5Mo,WC6,WC9 CF8(304) CF8M(316)
disc WCB,Q235,Q345 ZG1Cr5Mo,WC6,WC9 CF8(304) CF8M(316)
stem 20Cr13 25Cr2Mo1V 06Cr19Ni10 06Cr17Ni12Mo2
Suitable temperature -29~425 -29~550 -29~600

Note: Other materials are available upon request.