Electric-Drived Stainless Steel Gate Valve for Hydropower Station

Model NO.: FYV Material: Stainless Steel Pressure: Ordinary Temperature Seal Surface: Wedge Gate Valve Usage: Safety Application: Industrial Usage Class: 150~1500 Ends Con,: RF,Rtj,Sw,Bw Specification: CE, SGS HS Code: 8481804090 Type: Straight-through Connection Form: Flange Actuator: Electric Thread Position of Valve Rod: Inside Gate Valve Standard: ANSI Size: 50-1600mm O-Ring Sealing: PTFE,NBR,Rptfe Trademark: FYV Origin: Wenzhou, Zhejiang Hydropower Electric Gate Valve 50 – 1600 mm for the Hydropower Project

Specifications:
Gate valves is one of the most common open or close the valve, the use of the gate is up and down to work full open and full close to block fluid in the pipeline.
The gate is usually wedge shaped. When the valve is wide open, the gate is fully drawn up into the valve, leaving an opening for flow through the valve the same size as the pipe in which the valve is installed. Therefore, there is little pressure drop or flow restriction through the valve.

Structure Description:

1. Two side of valve ends are flange bolts connection structure.
2. Sealing surface of seat bead welding with the iron and chromate nickel stainless steel, have a good performance on wear resistance and scratch resistance.
3. There is nitriding process on Stem surface to resistance corrosion, has good corrosion resistance and scratches resistance.
4. The valve open or close operation are controlled by the electric device which installed on the head of valve. Electric device equipped with electric motor, reduction gearbox, torque control device, travel control device, the site operation device, and hand-electric switching mechanism.
The valve working are control by the travel control device. When the travel control device is failure in the case, torque limit device can stop the motor, protects the valve. The valve operation by electric device, the adjustable wedge double disc, grip ring and other parts, drive the stem up and down in the valve body.
5. Electric devices can local operate, and also can remote control in the central room.

Motor-Driving/Manual control Gate Valve
Nominal Diameter: 50 – 1600 mm
Nominal Pressure: 0.25 – 6.4 Mpa

ITEM	PART NAME	MATERIAL
1	Body	ASTM A216 GR.WCB
2	Seat Ring	ASTM A105 + Stellite Faced
3	Disc	ASTM A216 GR.WCB+13Cr Faced
4	Stem	ASTM A182 GR.F6
5	Gasket	Soft Iron + Graphite
6	Bonnet	ASTM A216 GR.WCB
7	Bonnet Bolt Nuts	ASTM A194 GR.2H
8	Bonnet Bolts	ASTM A193 GR.B7
9	Backseat Bushing	ASTM A276 Type 410
10	Stem Packing	Braided Graphite & Die Formed Graphite Ring
11	Eye Bolt Pins	Die formed Graphite Ring Carbon Steel
12	Gland Eye Bolts	ASTM A307 GR.B
13	Gland	ASTM A276 Type 410
14	Gland Flange	ASTM A216 GR.WCB
15	Eye Bolt Nuts	ASTM A194 GR.2H
16	Grease Nipple	Carbon Steel
17	Stem Nut	ASTM A439 GR.D-2
18	Retaining Nut	Carbon Steel
19	Hand wheel	Ductile Iron
20	Hand wheel Nut	Carbon Steel
21	Screw	Carbon Steel
22	Yoke	ASTM A216 GR.WCB
23	Yoke Pan Bolt Nuts	ASTM A194 GR.2H
24	Yoke Pan Bolts	ASTM A193 GR.B7
25	Bearing	Steel

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Product Categories : Electric Station Valve