Center line wafer butterfly valve rubber valve seat

Product name: Center line wafer butterfly valve rubber valve seat

Model No.: D371X-16Q

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Brief introduction of 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 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 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）		Mediums	Working temperature
		Strength(water)	Seal(water)
D371X-10Q	1.0	1.5	1.1	Water, oils	≤80℃
D371X-16Q	1.6	2.4	1.8

Material for parts

Parts name	Material
Valve body	Ductile iron/cast iron
Valve disc	Ductile iron/Stainless steel /aluminum bronze
Valve stem	Carbon steel /stainless steel

Outline dimensions and connect dimensions:  

Model No.	DN（mm）	Dimension（mm）
		L	Ø		（H）
D371X-16Q		1.0/1.6MPa	1.0MPa	1.6MPa	1.0/1.6MPa
	50	43	125	125	170
	65	46	145	145	178
	80	46	160	160	202
	100	52	180	180	222
	125	56	215	215	233
	150	56	245	245	257
	200	60	295	295	295
	250	68	350	355	340
	300	78	400	410	380
	350	78	460	470	420
	400	102	515	525	522
	450	114	565	585	536
	500	127	650	650	604
	600	154	725	770	695
	700	165	840	840	811
	800	190	950	950	893
	900	203	1050	1050	903
	1000	216	1160	1170	983