Product Details

The best quality and faith bring us the good market, such as USA, CANADA, BRAZIL, AUSTRALIA, UK, GERMANY, ITALY, SPAIN, TURKEY, ALGERIA, DUBAI, RUSSIA, UKRAINE, SINGAPORE, MALAYSIA etc. “Made in DUNHUI” in many Countries.

“DUNHUI” is your correct choice. Welcome to visit

1. Q41F floating ball valve

2. Main performance indicators

NO	Part name	Carbon stell series	Stainless stell series	Low temperature steel series	Resistance to sulfur series
1	valve body	A216,WCB	A315-CF8,CF8M,CF3,CF3M	A352LCB,LCC	Carbon stell series	Stainless stell series
2	Seat	PTFE ,RPTFE,sintering,carbon fiber,metal and rubber components
3	Ball	A105 and HCr or ENP	A315-CF8,CF8M,CF3,CF3M	A352LCB,LCC and ENP	A105 and HCr or ENP	A351,CF8M and ENP
4	Spring	INeON,L750
5	Stud	A193B7	A193B8,B8M	A320,L7	A193,B7M	A193,B8M
6	Gasket	Graphite and Stainless stell
7	Nut	A1194,2H	A194,8M	A194	A194,2HM	A194,8M

3. Product drawings

4. The main connection size

Type	DN(mm)	Dimensions(mm)
Type	DN(mm)	L	D	D1	D2	H	W
Q41F/Y-16 Q341F/Y-16	25	150	115	85	65	85	150
	50	200	160	125	100	115	240
	80	250	195	160	135	160	310
	100	280	215	180	155	185	330
	150	360	280	240	210	245	800
Q41F/Y-25 Q41F/Y-25	25	150	115	85	65	85	150
	50	200	160	125	100	115	240
	80	250	195	160	135	160	310
	100	280	230	190	160	185	330
	150	360	300	250	218	245	800

5. Inspection Process

6. Valve total picture

7. Technical Standard:

Design: EN593
Face to face: EN558-1

Flange drilling: EN1092
Upper flange connection: ISO 5211

8. Personnel station:

Have professional salesmen, and 6 Engineers, More than 30 inspectors

9. Quality and Safety:

We have a very strict and complete quality control system, which promises that goods we produced are always of the best quality, the enough inspectors to ensure that each product can meet the quality requirements of customers. We do the final inspection in own factory with ISO 9001:2008.

10.Location:

DUNHUI has a convenient location at the city’s exporting business zone, Dongli District. We are only 19 km to Tianjin International Airport, and very close to major highways,and TIANJIN port. We look forward to work with your business!