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Q41F Soft Seal Ball Valve

Q41F Soft Seal Ball Valve

The Q41F soft sealed ball valve not only has a simple structure and good sealing performance, but also has a small volume, light weight, low material consumption, small installation size within a certain nominal diameter range. It also has a small driving torque, simple operation, and is easy to achieve fast opening and closing. It is one of the fastest developing valve varieties in the past decade. Soft sealed ball valves are evolved from plug valves, and their opening and closing parts act as a sphere, using the sphere to rotate 90 ° around the axis of the valve stem to achieve the purpose of opening and closing. Soft sealed ball valves are mainly used in pipelines to cut off, distribute, and change the direction of medium flow, in chemical products, pharmaceuticals, and food businesses; In the power management systems of hydropower, thermal power, and nuclear power; In the water supply, drainage, heating, and gas supply systems of cities and industrial enterprises; In the drainage and irrigation system of farmland; Widely applied in the financial management system, it is an important mechanical product closely related to business construction, national defense construction, and people's lives. Manual soft sealed ball valves are used in various pipeline systems to cut off or connect the medium flow, allowing the medium to be transported to designated points according to predetermined procedures.

  • Item NO.:

    XUVAL88-296
  • Lead Time:

    50 Days
  • Product Orgin:

    CHINA
  • Brand:

    XUVAL
  • Shipping Port:

    Shanghai
  • Payment:

    100%TT
  • MOQ:

    1
Products Details

Features of Soft Seal Ball Valve Products

(1) The fluid resistance is small, and its resistance coefficient is equal to that of a pipe segment of the same length.

(2) Simple structure, small size, and light weight.

(3) Tight and reliable, plastic is widely used as the sealing surface material for ball valves with good sealing performance, and it has also been widely used in vacuum systems.

(4) Convenient to operate, quick to open and close, with only a 90 ° rotation from full open to full close, facilitating remote control.

(5) Easy to maintain, the ball valve has a simple structure, and the sealing ring is generally movable, making disassembly and replacement more convenient.

(6) When fully open or fully closed, the sealing surfaces of the ball and valve seat are isolated from the medium, and when the medium passes through, it will not cause erosion of the valve sealing surface.

(7) Widely applicable, with diameters ranging from a few millimeters to several meters, and can be applied from high vacuum to high pressure. When the ball rotates 90 degrees, it should be spherical at both the inlet and outlet to cut off the flow.


Main component materials of soft sealed ball valves

No Part Name National standard material American standard material
1 Valve Body WCB A216-WCB
2 Sealing Ring PTFE PTFE
3 Sphere 1Cr18Ni9Ti SS304
4 Nut 35 A194-2H
5 Stud 35CrMoA A193-B7
6 Stone body WCB A216-WCB
7 Shim Flexible graphite+stainless steel B12.10-304/F.G
8 Filler PTFE PTFE
9 Packing gland WCB A216-WCB
0 Positioning piece 25 A105
11 RING 65Mn AISI 1066
12 Handle K33 A47-667 Gr.32510
13 Valve stem 1Cr33 A276-410
14 Screw 35 A193-B7
15 Thrust washer PTFE PTFE

Technical specifications for soft sealed ball valves

Design basis National standard series American Standard Series
Design standards GB/T12237 AP16D ANSI B16.34
Length of flange connection structure GB/T12221 AP16D ANSI B16.10
Structural length welding GB/T15188.1 AP16D ANSI B16.10
Connecting flange GB/T9113 ANSI B16.5B16.47
JB/T79
Hg20592
Butt welding end GB/T12224 ASNI B16.25
Testing and Inspection GB/T9092 AP16D AP1598

Performance specifications for soft sealed ball valves

Pressure rating Test pressure (MPa)
Nominal pressure (PN) Class Shell Test Sealing test
1 - 1.5 1.1
1.6 - 2.5 1.76
2.5 - 3.8 2.75
4 - 6 4.4
6.4 - 9.6 7.04
- 150 3 2.2
- 300 7.6 5.6
- 600 15 11
- 10K 2.4 1.5
- 20K 5.8 4


Main external dimensions of soft sealed ball valves

PN1.6MPa external dimensions

Nominal diameter DN 15 20 25 32 40 50 65 80 100 125 150 200
L 130 140 150 165 180 200 220 250 280 320 360 400
H 59 63 75 85 95 107 142 152 178 252 272 342
W 130 130 160 180 230 230 400 400 650 1050 1050 1410
Wt(Kg) 2.5 3 5 6 7 10 15 19 33 58 93 160
Flange connection size GB/T9113JB/T79HG/T20594

PN2.5MPa external dimensions

Nominal diameter DN 15 20 25 32 40 50 65 80 100 125 150 200
L 130 140 150 165 180 200 220 250 320 400 400 550
H 59 63 75 97 107 142 152 178 252 272 342 345
W 130 130 160 230 230 400 400 700 1100 1100 1500 1500
Wt(Kg) 2.5 3 5 6 7.5 10 15 20 33 60 93 175
Flange connection size GB/T9113JB/T79HG/T20594

PN4.0MPa external dimensions

Nominal diameter DN 15 20 25 32 40 50 65 80 100 125 150 200
L 130 140 150 180 200 220 250 280 320 400 400 400
H 59 63 75 85 95 107 142 152 178 252 272 342
W 130 130 160 230 230 400 400 700 1100 1100 1500 1500
Wt(Kg) 3 4 5 7 9 12 18 28 46 75 106 190
Flange connection size GB/T9113JB/T79HG/T20594

PN6.4MPa external dimensions

Nominal diameter DN 15 20 25 32 40 50 65 80 100 125 150 200
L 165 190 216 229 241 292 330 356 432 508 559 660
H 59 63 75 97 107 142 152 178 252 272 305 398
W 130 130 160 230 230 400 400 700 1100 1100 1500 1800
Wt(Kg) 6.5 7 8 12 14 18 28 40 65 98 140 250
Flange connection size GB/T9113JB/T79HG/T20594

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    If you are interested in our valves and want to know more details,please leave a message here,we will reply you as soon as we can.