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Pneumatic fixed ball valve

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Pneumatic fixed ball valve

Model: Q647F
Nominal diameter: DN50 ~ 500mm
Nominal: PN1.6 ~ 6.4MPa
Temperature: -28 ℃ ~ 300 ℃
Suitable medium: water, steam, oil, nitric acid, acetic
Operation: manual, pneumatic
Structure length by: GB1221-89
Flange size by: GB9113, JB79-59
Test by: JB / T9092-99

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產品詳細

Pneumatic fixed ball valve overview

Pneumatic fixed ball valves, pneumatic ball valves, ball valves are two-way valve, the flow of unlimited. The flange is connected with studs, the upper and lower stems are equipped with sliding bearings to reduce friction, the use of labor-saving, smooth. Under normal conditions: when the pressure is low, the valve seat seal relies on the spring pre-tightening force to make the valve seat close to the ball body to seal. When the pressure is high, a piston effect is formed on the valve seat. Under the action of the upstream medium pressure, To seal, fixed pneumatic valve, pneumatic valve, ball valve is widely used in process control system to achieve on or off.

Pneumatic fixed ball valve technical parameters

Valves	transfer method	Link form	structure type	Sealing surface	Nominal pressure (MPa)	Body material
Ball valve	6-pneumatic 6s-pneumatic band manual	4-flange	Fixed ball straight	F-Fluoroplastic H-alloy steel PPL	1.6 2.5 4.0 6.4	According to the table body material code
Nominal diameter DN (mm)		50-500
Material code		C		P		R
The main parts	Body	WCB		ZG1Cr18Ni9Ti		ZG1Cr18Ni12Mo2Ti
	Ball board	2Cr13		1Cr18Ni9Ti		1Cr18Ni12MoTi
	Valve stem	2Cr13		1Cr18Ni9Ti		1Cr18Ni12MoTi
	Sealing ring	Enhanced polytetrafluoroethylene alignment poly stupid
	filler	Polytetrafluoroethylene flexible graphite
Fitness with working conditions	Suitable media	Water, steam, oil		Nitric acids		Acetic acid
	proper temperature	-28 ° C to 300 ° C
Control type		Double-acting / single-acting
The role of type		Cut / adjust
input signal		Electrical signal: 0 ~ 10mA, -4 ~ 10mA gas signal 20 ~ 100kPa
Reply voltage		AC220V / DC24V
Working medium		Purification compressed gas
Actuator	model	GT series, HY series, AW series, ZSH series
	Air pressure	0.4 ~ 0.7MPa

Pneumatic fixed ball valve installation dimensions

Nominal diameter DN (mm)	Size (mm)															Actuator model
	1.6MPa					2.5MPa					4.0MPa
	L	D	D1	B	Z-φD	L	D	D1	B	Z-φD	L	D	D1	B	Z-φD
50	203	160	125	16	4-18	216	160	125	20	4-18	216	160	125	20	4-18	Optional GTD / GTE, AW / AWS, HY, ZSH series actuators (the above optional only for the specific election based on actual requirements)
65	222	180	146	18	4-18	241	180	145	22	8-18	241	180	145	22	8-18
80	241	195	160	20	8-18	283	195	160	22	8-18	283	195	160	22	8-18
100	305	215	180	20	8-18	305	230	190	24	8-23	305	230	190	24	8-23
125	356	245	210	22	8-18	381	270	220	28	8-25	381	270	220	28	8-25
150	394	280	240	24	8-23	403	300	250	30	8-25	403	300	250	30	8-25
200	457	335	295	26	12-23	502	360	310	34	12-25	502	375	320	38	12-30
250	533	405	355	30	12-25	586	425	370	36	12-30
300	610	460	410	30	12-25	648	485	430	40	16-30
350	686	520	470	34	16-25	762	550	490	44	16-34
400	762	580	525	36	16-30	838	610	550	48	16-34
450	864	640	585	40	20-30	914	660	600	50	20-34
500	914	705	650	44	20-34	991	730	660	52	20-41

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