High Quality Backflow Prevention Device

• Temperature: Ordinary Temperature
• Certification: GS, RoHS, CE, ISO9001
• Media: Water
• Standard: Standard
• Connection Mode: Flange
• Power: Manual
• Model NO.: HS41X-16
• Service: OEM/ODM
• Shelf Life: 18 Months
• Transport Package: Poly Bag, Inner Box, Outer Carton /and Pallet
• Specification: DN50-500
• Trademark: DAISEN
• Origin: China
• HS Code: 8481804090
• Production Capacity: 80000t/Year

Product Description

Independently developed by the factory production of backflow prevention device with a filter pipeline quality, reasonable price,perfect after service. Backflow prevention device with a filter pipeline for a variety of light and heavy industrial and building pipelines.Backflow prevention device with filter pipes are widely used: chemical, petrochemical, oil, paper, mining, electricity, gas, food,pharmaceutical, water supply and drainage, municipal, mechanical equipment, facilities, electronics industry, urban constructionand other fields.
HS41X-16-A-type filter pipe with backflow prevention device is used to prevent pollution of drinking water return piping of safetydevices, is the introduction of foreign advanced technology factory developed, safe and reliable drinking water to prevent contaminationof the novel backflow valve, one to ensure the health and safety of drinking water.
HS41X-A anti-fouling off valve (with filter pipe backflow prevention device) Product structure: HS41X- A type-safe filter pipewith backflow prevention device is added between the two check valve composed of a drainage device. Drainage chamber on thefirst level with high- pressure hose and check valve inlet connection. First, the two main valve body, valve cover, valve, gaskets,springs and other components. Drainage is mainly by the valve body, valve cover, diaphragm, valve, seal plate, valve, valve seats,springs and other components.

 

Model	DN	16-AL	16-L	D	φ	n-d	H2
HS41X-16A HS41X-16	50	455	410	165	125	4-18	190
	65	480	430	185	145	4-18	200
	80	570	500	200	160	8-18	225
	100	710	640	220	180	8-18	248
	125	800	730	250	210	8-18	276
	150	910	830	285	240	8-23	308
	200	1090	1000	340	295	12-23	356
	250	1315	1200	405	355	12-25	410
	300	1475	1360	460	410	12-25	485
	350	1690	1560	520	470	16-25	528
	400	1860	1720	580	525	16-30	595
	500	2120	1960	715	650	20-34	665

  

Material of main parts
 

Diaphragm type

	Part	Materials
1	Bonnet	Casting pig,Ductalloy,carbon steel,SS
2	Spring	Spring steel,SS
3	Pressboard of diaphragm	Ductalloy
4	Diaphragm	NBR,ternary ethlenepropylene rubber
5	Stem	2Cr13,2Cr13,SS
6	Seat	Ductalloy
7	Sealing pad	NBR rubber
8	Pressboard sealing pad	Ductalloy,SS
9	Seat ring	SS
10	Body	Casting pig,Ductalloy,carbon steel,SS

 

Piston type

	Part	Materials
1	Bonnet	Casting pig,Ductalloy,carbon steel,SS
2	Cylinde sleeve	SS
3	Piston	ductalloy
4	Seal ring	NBR rubber
5	Stem	2Cr13,2Cr13,SS
6	Spring	Spring steel,SS
7	Disc	Ductalloy
8	Sealing pad	NBR rubber
9	Seat ring	SS,SS
10	Sealing pressboard	Ductalloy,SS
11	Body	Ductalloy carbon steel