Fully welded full bore flange ball valve Q347HF-16/25C CF8 fixed ball 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	G3	G4	t	N-ΦD	h	T-e	ISO5211	备注
150	25	400	150	273	310	360	8	12-Φ30	107	34-2.5	F14
200	25	530	200	375	370	425	8	12-Φ33	117	38-2.5	F14
250	25	630	250	462	485	430	10	12-Φ33	129	42-2.5	F16	Double stage worm gear
300	25	686	300	480	520	470	12	16-Φ39	129	50-4	F16	Double stage worm gear
350	25	760	350	508	460	530	16.2	16-Φ39	135	50-4	F16	Double stage worm gear
400	25	900	400	670	485	525	18	16-Φ30	135	32-3	F30	Double stage worm gear
500	25	1050	500	813	615	660	23	20-Φ36	135	52-3	F30	Double stage worm gear
600	25	1328	590	960	720	770	25	20-Φ36	135	52-3	F30	Double stage worm gear

Worm torque

Nominal size	DN150	DN200	DN250	DN300	DN350	DN400	DN500	DN600
torque/.MI	200	260	310	300	360	400	480	720

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"

6. Flange surface standard: GB/T 9113

7. Flange end standard: GB/T 12221-2005

Product Parts List

No.	name	Materials	No.	name	Materials
1	IGBT	20#	15	lower bearing	Q235+PTFE
2			16	Stem	2Cr13
3	ball	SS304	17	grommet	PTFE+C
4	sealing ring	PTFE+C	18	branch pipe	20#
5	valve seat圈	20#	19	Upper bearing	Q235+PTFE
6	o-ring	氟塑橡胶（FKM）	20	grommet	PTFE+C
7	disc spring	50crv4	21	o-ring	FKM
8	Rear valve seat	20#	22	Stud	8.8
9	take over	20#	23	Nut	8
10	bottom cover	20#	24	spring washer	45#
11	Hexagon socket head cap screw	45#	25	Flange connection	20
12	排污赛	45#	26	Axle clamp spring	45#
13	o-ring	FKM	27	flat key	45#
14	底座	20#	28	driving device	QT450

Prev：Full welded reduced diameter flange ball valve Q41HF-16/25C CF8 ball fixing handle anti-corrosion paint

Next：Fully welded full bore ball valve Q367HF-16/25C CF8 fixed ball bipolar turbine anti-corrosion paint

Related Information