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VQ641F Pneumatic V-type Ball Valve

Product overview

Model: VQ671F / VQ641F
Nominal diameter: Wafer DN25~500mm
Nominal: PN1.6 ~ 2.5MPa
Connection: Wafer / flange
Medium temperature: W1: -40 ~ 180 ℃ W2: -40 ~ 300 ℃ W3: -30 ~ 425 ℃ W4: -40 ~ 425 ℃
Body material: Carbon (C), stainless steel (P4, P6)
Design basis: GB standard
Besign criteria: GB / 12237
Ligation Blue size: GB / 9113, JB / T79
Test and test: JB / T9092

VQ641F Pneumatic V-type Ball Valve product details

VQ641F Pneumatic V-type Ball Valve features
1, compact structure, small size, can be installed vertically and so on.
2, with excellent regulation features: V-type ball valve has an approximate equal percentage of the inherent flow characteristics and up to 300: 1 adjustable 1, compact, small size, can be installed vertically and so on.
2, with excellent regulation features: V-type ball valve has an approximate equal percentage of the inherent flow characteristics and up to 300: 1 adjustable ratio. V-valves therefore provide precise control over a wide range of variations.
3, the maximum flow volume: Due to its streamlined shape and full right-angle rotary control, so that the maximum volume is particularly high, particularly large flow capacity, flow resistance is small, so you can use smaller and more economical and practical valve size.
4, V-type ball valve with double bearing structure, high mechanical stability, low starting torque to ensure that the valve has excellent sensitivity and sensing speed.
5, the most reliable (safety): the valve body as a whole, durable, the operation from the pipeline pressure, and to avoid valve leakage.
6, the superior sealing of the metal seat: V-type ball valve with movable metal seat, self-compensation function, and has superior sealing performance and long service life. In the flow direction, the amount of leakage ≤ 10-6 × rated flow coefficient.
7, super shear capacity: V-type ball valve with a metal seal structure, V-shaped ball valve seat and the metal valve seat during the rotation, V-notch and the valve seat to produce a strong shear force to cut off impurities such as fiber , And has a self-cleaning function to prevent the valve stuck phenomenon.

VQ641F Pneumatic V-type Ball Valve technical Parameters
Nominal diameter	Clamp DN25 ~ 250mm / flange DN25 ~ 500mm
Connection method	Clip / Flange
Cylinder configuration	AT series, GT series, AW series, import actuator series
Cylinder form	Double acting, single acting (spring return)
control method	Two off (switch), adjustable, three-stage (opening degree optional)
Nominal pressure	16,25bar (Please specify when ordering for higher pressure)
Air pressure	Double role: 4 ~ 8bar, single role: 5 ~ 8bar
Medium temperature	W1: -40 to 180 ° C W2: -40 to 300 ° C W3: -30 to 425 ° C W4: -40 to 425 ° C
Ambient temperature	Standard type: -20 ~ 80 ℃
Body material	Carbon steel (C), stainless steel (P4, P6)
Sealing material	Polytetrafluoroethylene (F), para-polyphenylene (PPL), metal hard seal (H), cemented carbide (Y)

Note: Other special sealing materials or special temperature can also be designed and manufactured according to customer requirements

VQ641F Pneumatic V-type Ball Valve main dimensions

PN (MPa)	DN (mm)	Size (mm)
		L	The folder connection	Flange connection						H
		L	D	D	D1	D2	D6	b	zd	H
1.6	25	102	64	115	85	5	-	14/16	4-14	233
	40	114	82	145/150	110	85/84	-	16/18	4-18	280
	50	124	100	160/165	125	100/99	-	16/20	4-18	362
	65	145	118	180/185	145	120/188	-	18/20	4-18	377
	80	165	130	195/200	160	135/132	-	20	8-18	410
	100	194	155	215/220	180	155/150	-	20/22	8-18	423
	125	210	185	245/250	210	185/184	-	22	8-18	436
	150	229	216	280/285	240	210/211	-	24	8-23 / 8-22	653
	200	243	264	335/340	295	265/266	-	26/24	12-23 / 12-22	703
	250	297	328	405	355	320/319	-	30/26	12-25 / 12-26	787
	300	338	373	460	410	375/370	-	30/28	12-25 / 12-26	827
2.5	25	102	64	115	85	65	-	16	4-14	233
	40	114	82	145/150	110	85/84	-	18	4-18	280
	50	124	100	160/165	125	100/99	-	20	4-18	362
	65	145	118	160/185	145	120/118	-	22	8-18	377
	80	165	130	195/200	160	135/132	-	22-24	8-18	410
	100	194	155	230/235	190	160/156	-	24	8-23 / 8-22	423
	125	210	185	270	220	188/184	-	28/26	8-25 / 8-26	436
	150	229	216	300	250	218/211	-	30/28	8-25 / 12-26	653
	200	243	264	360	310	278/274	-	34/30	12-25 / 12-26	703
	250	297	328	425	370	332/330	-	36/32	12-30	787
	300	338	373	485	430	390/389	-	40/34	16-30	827

Reminder:

All text, data and pictures in this article are for reference only.To see more details of the VQ641F Pneumatic V-type Ball Valve performance parameters, structural dimension parameters, pricing, etc., or to request high quality printing samples, please Contact us.

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