Q641The pneumatic ball valve is suitable for industrial pipeline. As the opening and closing device, the pneumatic ball valve is composed of QZ pneumatic actuator and q641 flange through ball valve. The ball valve is composed of valve body, hollow ball, valve seat, valve stem, bearing, etc. Pneumatic actuator is the driving device of ball valve, which is composed of box, cylinder, piston, piston rod, rocker (or rack), output shaft, etc. Q641 pneumatic ball valve is controlled by solenoid valve to realize the two position action of valve, so as to achieve the function of pipeline flow switch. This product is widely used in petroleum, chemical, food, medicine, textile, paper, water and electricity, ship, metallurgy, gas, water supply and drainage systems. It can be used as switch and cut-off device on all pipelines and containers of gas, liquid, slurry and solid powder with different corrosive and non corrosive pressures. It can realize on-site and remote operation, and also can realize individual or centralized control. The product is advanced in design, novel in structure, complete in function, safe and reliable, and convenient in maintenance. It is an ideal pipeline switch control device

Q641Performance parameters of full bore pneumatic ball valve with flange

model	PN	working pressure /MPa	Applicable temperature /℃	Applicable media
Q641F-16C	16	1.6	≤180	Water, gas and oil
Q641F-25	25	2.5
Q641F-40	40	4
Q641Y-16C	16	1.6	≤425	Water, gas and oil
Q641Y-25	25	2.5
Q641Y-40	40	4
Q641F-16P	16	1.6	≤180	Granular media in water, gas and oil
Q641F-25P	25	2.5
Q641F-40P	40	4
Q641Y-16P	16	1.6	≤450	Granular media in water, gas and oil
Q641Y-25P	25	2.5
Q641Y-40P	40	4
Q641F-16R	16	1.6	≤180	Nitric acid
	25	2.5
Q641F-40R	40	4
Q641Y-16R	16	1.6	≤450	Granular media in water, gas and oil
	25	2.5
Q641Y-40R	40	4
Q641F-16I	16	1.6	-29～150	Water, steam, oil, etc
Q641F-25I	25	2.5
Q641F-40I	40	4
Q641F-63I	63	6.3

Q641Parts and components materials of full bore pneumatic ball valve with flange

model	Material Science
	valve body	Stem	Sealing surface	filler
Q641F-16C	WCB	2Cr13	PTFE、enhance PTFE	PTFE
Q641F-25		304
Q641F-40		316
Q641Y-16C		1Cr18Ni9Ti	enhance	Flexible graphite
Q641Y-25		1Cr18Ni12Mo2Ti
Q641Y-40
Q641F-16P	CF8	304	PTFE、enhance PTFE	PTFE
Q641F-25P
Q641F-40P
Q641Y-16P			Cobalt base metal surfacing	Flexible graphite
Q641Y-25P
Q641Y-40P
Q641F-16R	CF8M	316	PTFE、enhance PTFE	PTFE
Q641F-25R
Q641F-40R
Q641Y-16R			Cobalt base metal surfacing
Q641Y-25R
Q641Y-40R
Q641F-16I	Alloy steel	stainless steel	—	—
Q641F-25I
Q641F-40I
Q641F-63I

 

Q641Main shape and structure dimension of PN16 full bore pneumatic ball valve with flange（mm）

DN	L	D	H	H1	L0	weight/kg
15	130	95	185	39	140	6
20	130	105	189	43	140	7
25	140	115	210	48	158	8
32	165	135	265	58	211	12
40	165	145	260	62.5	211	14
50	200	160	295	76	211	18
65	220	180	340	86	268	26
80	250	195	355	100	268	34
100	280	215	430	131	408	61
125	320	245	465	148	408	104
150	360	280	580	173	543	158
200	457	335	710	219	684	276
250	533	405	790	260	684	425
300	610	460	870	305	684	580

 

Q641Main shape and structural dimensions of PN25 type full bore flange pneumatic ball valve（mm）

DN	L	D	H	H1	L0	weight/kg
15	140	95	185	39	140	6
20	152	105	189	43	140	7
25	165	115	210	48	158	10
32	178	135	265	58	211	14
40	190	145	283	62.5	211	16
50	216	160	295	76	247	22
65	241	180	340	86	268	34
80	283	195	355	100	268	40
100	305	230	455	134	408	78
125	381	270	515	148	437	130
150	403	300	600	173	543	195
200	419	360	740	223	684	297
250	568	425	920	283	684	460
300	648	485	955	321	684	700

 

Q641Main shape and structural dimensions of PN40 full bore flange pneumatic ball valve（mm）

DN	L	D	H	H1	L0	weight/kg
15	140	95	185	39	140	7
20	152	105	189	43	140	8
25	165	115	210	48	158	11
32	178	135	265	58	211	15
40	190	145	283	62.5	247	19
50	216	160	295	76	247	22
65	241	180	340	86	268	33
80	283	195	380	100	315	44
100	305	230	455	134	408	84
125	381	270	515	148	543	162
150	403	300	600	173	543	197
200	419	375	740	223	684	342
250	568	445	920	283	684	500
300	648	510	955	321	684	705

 

Q641Main shape and structure dimension of pn63 full bore pneumatic ball valve with flange（mm）

DN	L	D	H	H1	weight/kg
15	140	105	70	210	—
20	152	130	75	250	7.2
25	165	140	85	261	9
32	178	155	100	262	13
40	190	170	115	294	15
50	216	180	130	352	19
65	241	205	155	398	42
80	283	215	180	461	50
100	305	250	210	488	68
125	381	—	—	—	108
150	403	—	—	—	140