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Fully welded turbine ball valve Q361HF-16/25C CF8 ball reduced diameter forged ball valve bipolar turbine anti-corrosion paint

Fully welded ball valve, the valve is composed of three independent forged parts that are welded together to form a single unit, ensuring that the ball valve is connected to the valve body without leakage under allowable working conditions. The product is mainly used in natural gas, petroleum, water and other media, suitable for pipeline use in residential heating, urban gas, petrochemicals, steel, shipbuilding, metallurgy, power stations, pressure regulating stations and other industries.

Product drawings

Connection size

DN	PN	L	D	G1	G2	H	h	t	s
50	16/40	300	39.5	88.9	60.3	135	50	2.9	140
65	16/25	300	50	108	76.1	150	53	2.9	160
80	16/25	300	65	127	88.9	176	65	3.2	160
100	16/25	325	81.5	159	114.3	210	75	3.6	200
125	16/25	325	102	193.7	139.7	235	77	4	230
150	16/25	350	125	219.1	168.3	410	290	4.5	230
200	16/25	400	152	275	219.1	485	375	4.5	280
250	16/25	560	203	357	273	525	400	5	300
300	16/25	635	254	427	325	605	470	5.6	350

Worm gear torque

Nominal Diameter	DN50	DN65	DN80	DN100	DN125	DN150	DN200	DN250	DN300
torque/.MI	50	70	90	110	140	160	200	260	310

design basis

1. The design of the valve shall comply with Q/320506 FDV01-20132: GB/T 12224-2005 "General Requirements for Steel Valves"

2. GB/T 12220-1989 "General Valve Marking"

3. GB/T 12223-2005 "Connection of Partial Rotary Valve Drive Devices"

4. JB/T 12006-2014 "Welded Ball Valves for Steel Pipes"

5. GB/T 37827-2019 "Welded Ball Valves for Urban Heating"

Product Parts List

No.	name	Materials	No.	name	Materials
1	IGBT	20#	11	branch pipe	20#
2	take over	20#	12	Valve stem O-ring	Fluoroplastic rubber FKM
3	ball	304	13	grommet	PTFE+C
4	valve seat	PTFE+C	14	Packing gland	20#
5	Valve seat O-ring	Fluoroplastic rubber FKM	15	External retaining ring	65Mn
6	SUPPORT RING	60Si2Mn	16	driving device	QT450
7	disc spring	60Si2Mn	17	flat key	45steel
8	Stem	1Cr13	18	Stud	8.8
9	thrust pad	PTFE+C	19	Nut	8
10	bearing	mild steel+PTFE	20	bearing	mild steel+PTFE