Lug type center line wafer butterfly valve

Product name: Lug center line wafer butterfly valve

Model No.: D671X-16Q

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Brief introduction of lug center line wafer butterfly valve:

The center line wafer butterfly valve is mainly composed of valve body, valve stem,valve disc, valve seat, shaft sleeve and driving device(handle, worm gear driving device). the valve stem and disc are driven by the driving device to realize opening and closing and flow control.

Characteristics of lug center line wafer butterfly valve:

1. small in size and light in weight, easy to disassemble and maintain, can be installed in any position.
2. Its structure is simple and compact, it can be opened and closed quickly at 90 degrees.
3. Zero leakage.
4. With different parts materials, it can be applicable for various mediums.
5. The flow direction tend to be straight, and the adjustment performance is great.
6. The tested opening and closing number is more than 10,000, and the service life is long.

Applications of lug center line wafer butterfly valve:

This center line wafer butterfly valve can be widely used in petroleum, chemical, food, pharmacy, hydro power, ships, water supply an drainage, smelting and other pipeline systems. It can be used for mediums like various corrosive and non-corrosive gas, liquid, semi-fluid and solid power to open and close the pipeline system.

Standard:

Design and manufacturing	Face to face	Flange connect	Test and inspection
ISO10631	ISO5752	EN1092	ISO5208

Technical specifications

Model No.	PN(MPa)	Test pressure（MPa）		Medium	Working temperature
		Strength(water)	Seal(water)
D671X-10Q	1.0	1.5	1.1	Water, oils	≤80℃
D671X-16Q	1.6	2.4	1.8

Material for main parts

Parts name	Material
Valve body	Ductile iron/cast iron
Disc	Dustile iron/stainless steel /aluminum bronze
Stem	Carbon steel /stainless steel