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VQ347Y Worm Gear Flanged V-Type Ball Valve

VQ347Y Worm Gear Flanged V-Type Ball Valve

Product Category:BALL VALVE
Product Name:VQ347Y Worm Gear Flanged V-Type Ball Valve
Product Tag:Worm Gear Flanged V-Type Ball Valve
Update Date:2021/8/30 22:42:07
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Note: Our Products Can Be Customized According To Customers' Needs. In Addition To National Standards,We Can Design And Manufacture According To American Standards, Japanese Standards, German Standards, Russian Standards, British Standards And So On.

product description

VQ347Y Worm Gear Flanged V-Type Ball Valve is a rotary ball valve with a metal core seat or a metal-to-PTFE seal. It combines the control characteristics of the ball valve and the butterfly valve into one, and can be used as a control valve. It can also be used as a shut-off valve. The main features of manual V-shaped ball valve are:

(1) Integral valve body without any pipe joints, so it is not affected by the stress of pipes or bolts, and because the valve body has no pipe joints, the pressure-resistant shell will not be affected by pressure "sudden changes";

(1) With a V-shaped valve body, even in the case of small flow or high viscosity medium, it can also ensure the accuracy of control in the entire range;

(3) The leak-proof and durable valve seat is lined with a stainless steel inner core PTFE cup-shaped or O-shaped sealing ring at its outer diameter. The valve seat is made of tungsten-cobalt cemented carbide with a larger cross-section. The spring further enhances the structure of the valve seat;

(4) When the flange V-shaped ball valve is closed, a wedge-shaped shearing effect is generated between the V-shaped gap and the valve seat, and it not only has the function of self-cleaning but also prevents the ball core from jamming. The manual V-shaped ball valve is especially suitable for pipeline fouling. Freeze or contain fiber and particulate solids.

Main performance specifications

Main performance specifications of VQ347Y worm gear flanged V-type ball valve
Nominal pressure PN (MPa) test pressure Applicable medium proper temperature
Shell test Sealing test
1.6 2.4 1.76 Water, oil, gas, high viscosity, fiber, solid particles and other media -28℃~550℃
2.4 3.75 2.75
4.0 6.0 4.4
Application Specification Connecting flange JB79-59 GB20592-97 AMSI B16.5
Inspection and testing JB/T 9092-99, API 598

Material of main parts

Material of main parts of VQ347Y worm gear flange type V ball valve
Part Name Valve material
Valve body, bonnet WCB CF8
Sealing ring 2Cr13+nitriding 304+nitriding
Sphere 2Cr13+hard format 304+hard format
Valve seat, valve stem 2Cr13 304
Gasket Flexible graphite + stainless steel Flexible graphite + stainless steel
Stud bolt 35CrMoA 1Cr18Ni9Ti

Main external connection size

VQ347Y Worm Gear Flanged V-Type Ball Valve Main Outline Connection Dimensions (mm)
Nominal pressure

Or pressure level

Nominal diameter Size(mm)
(mm) (in) L L1 d d1 H1 H
PN1.6MPa 25 - - - 64 38 57 200
40 - - - 82 49 63 205
50 - 124 62 100 60 92 225
65 - 145 72.5 120 75 100 235
80 - 165 82.5 131 89 108 260
100 - 194 97 158 113 117 270
125 - 210 105 180 140 140 320
150 - 229 114.5 216 164 177 340
200 - 243 121.5 268 205 200 390
250 - 297 148.5 326 259 252 420
300 - 338 169 - 300 270 510
PN2.5MPa 25 - - - 64 38 57 200
40 - - - 82 49 63 205
50 - 124 62 100 60 92 225
65 - 145 72.5 120 75 100 235
80 - 165 82.5 131 89 108 260
100 - 194 97 158 113 117 270
125 - 210 105 180 140 140 320
150 - 229 114.5 216 164 177 340
200 - 243 121.5 268 205 200 390
250 - 297 148.5 326 259 252 420
300 - 338 169 - 300 270 510
CLASS150 25 - - - 64 38 57 200
40 11/2 - - 82 49 63 205
50 2 124 62 100 60 92 225
65 21/2 145 72.5 120 75 100 235
80 3 165 82.5 131 89 108 260
100 4 194 97 158 113 117 270
125 5 210 105 180 140 140 320
150 6 229 114.5 216 164 177 340
200 8 243 121.5 268 205 200 390
250 10 297 148.5 326 259 252 420
300 12 338 169 - 300 270 510

Product Keyword Tags>>

Ball valve,Ball valves,ball valve manufacturer in China, Ball Valve supplier in China,

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