Pneumatic three-piece flange ball valve

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Pneumatic three-piece flange ball valve

Product model: Q641F
Nominal pressure: PN1.6~6.4MPa
Applicable medium: water, oil, gas and some corrosive liquids
Applicable temperature: -20~232℃~350℃
Operating temperature: normal temperature
Connection type: flange
Main material: stainless steel, carbon steel

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Nominal pressure: 1.6-6.4mpa applicable temperature :-20~232℃~350℃ applicable medium: water, oil, gas and some corrosive liquids

Q641F pneumatic three-piece flange ball valve main parts materials

No	Part name	Material
No	Part name	Stainless steel	Carbon steel
1	Bolt	Stainless steel SS304	Carbon steel
2	Spring washer	Stainless steel SS304	Stainless steelSS304
3	Nut	Stainless steel SS304	Carbon steel
4	Cover	Stainless steel CF8/CF8M	Carbon steel WCB
5	Body	Stainless steel CF8/CF8M	Carbon steel WCB
6	Ball	Stainless steel CF8	Stainless steel CF8
7	Sealing ring	Teflon ethylene PTFE	Teflon ethylene PTFE
8	Valve stem	Stainless steel SS316	Stainless steel SS304
9	Packing	Teflon ethylene PTFE	Teflon ethylene PTFE
10	Gland nut	Stainless steel SS304	Stainless steel SS304
11	Spring washer	Stainless steel SS304	Stainless steel SS304
12	Nut	Stainless steel SS304	Stainless steel SS304
13	Handle	Stainless steel SS304	Stainless steel SS304

Q641F pneumatic three - piece flange ball valve main dimensions

SIZE	1/2″	3/4″	1″	1 1/4″	1 1/2″	2″	2 1/2″	3″	4″
d	15	20	25	32	38	50	65	76	100
L	130	150	160	180	200	230	290	310	350
D	95	105	115	135	145	160	180	195	230
D1	65	75	85	100	110	125	145	160	190
D2	45	55	65	78	85	100	120	135	160
b	14	16	16	18	18	20	22	24	24
f	2	2	2	3	3	3	3	3	3
H	75	95	90	110	130	140	140	180	250
W	130	140	140	170	200	220	220	350	550
n-do	4-14	4-14	4-14	4-18	4-18	8-18	8-18	8-18	8-22

Q641F type pneumatic three-piece flange ball valve is with a circular channel of the ball as the opening and closing parts, the ball with the stem rotation to achieve the opening and closing action of the valve, the opening and closing parts is a hole of the ball, perpendicular to the axis of the channel rotation, so as to achieve the purpose of the opening and closing channels.