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YDF-A Dome Valve

Product overview

Product model: YDF-A
Nominal diameter: DN80-DN400mm
Working pressure: ≤ 0.5Mpa
Operating temperature: ≤150℃
Air source pressure: 0.4~ 0.6Mpa
Air consumption: 1~3 L/ time
Cylinder output torque: 75~650N.m/5bar
Working medium: powder granular material

YDF-A Dome Valve product details

YDF-A Dome Valve product description

YDF-a dome valve is professionally developed by our company according to the actual powder transmission conditions of thermal power and water glass manufacturing systems at home and abroad. The product has novel structure, excellent and stable performance, good sealing performance, automatic air pressure compensation, protective valve seat design, erosion resistance, zero friction during opening and closing rotation and long service life. The product has strong centralized automatic control ability, can be jointly controlled with computer, adapt to the automation requirements of modern pipeline, and is widely used in powder transmission control of thermal power, cement manufacturing, glass manufacturing and thermal power systems for opening and closing.
Ydf-a dome valve is widely used in thermal power plant, pneumatic ash removal, power plant dust removal, feeding and discharging system. It has the advantages of simple structure, less wear and small torque.

YDF-A Dome Valve structural features
1, the valve adopts inflatable ring, valve opening and closing, no contact between the spool and the seal.
2, when the valve is switched over, the ring inflated to achieve elastic deformation of the seal.

3, the valve is in place switch, and the switch signal can be sent to the PLC for remote control.

4, the valve cylinder drive, easy and quick switching.

5, the structure is simple, directly driven by the cylinder valve to open and close the valve state, easy maintenance.

YDF-A Dome Valve technical Parameters

project	unit	YDF200	YDF250
DN	mm	200	250
System pressure	MPa	0.35
(Working point) Supply pressure:
The lowest pressure	MPa	0.5
The highest pressure	MPa	0.8
Pressure switch high pressure	MPa	0.5
Cylinder model		DA-160
System operating voltage	V	220VAC / 24VDC
Ambient temperature	℃	-20 ~ 55
Rated working temperature	℃	150
Import and Export Flange with Reducing Adapter (Mounting) Dimensions:
DN	mm	200	250
Outer diameter	mm	340	395
Coupling screw hole center diameter r	mm	295	350
Number of bolts and specifications (nd × L): import		8-M20 × 60	12-M20 × 65
Number of bolts and specifications (nd × L): exit		8-M20 × 85	12-M20 × 85
Import and export between the flange surface distance (H)	mm	488	528
Import and export flange without reduction of the flange (installation) Size:
Import flange: (with 4.9.14.9.4.1)
Export flange:
DN	mm	300	350
Outer diameter	mm	445	505
Coupling screw hole center diameter	mm	400	460
Number of bolts and specifications (nd × L)		12-M20 × 85	16-M20 × 85
Import and export between the flange surface distance (H)	mm	305	325
Overall dimensions (L × W × H)	mm	900 × 470 × 305	947 × 540 × 325
Weight (without the extension diameter take over)	kg	168	231

YDF-A Dome Valve main connection size

Serial number	Code		name			Quantity		Serial number	Code			name		Quantity
1	Y-100		Body assembly			1		4	Y-400			Actuator		1
2	Y-202		Reducing the takeover			1		5	Y-501			trachea		1
3	Y-300		control box			1		6	AC2000			filter		1
model		D	D1	d1	D2		d2			B	H	H1	a	b
YDF200		470	340	295	445		400			900	305	488	8	12
YDF250		540	395	350	505		460			946	325	528	12	16

Reminder:

All text, data and pictures in this article are for reference only.To see more details of the YDF-A Dome Valve performance parameters, structural dimension parameters, pricing, etc., or to request high quality printing samples, please Contact us.

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