Whatsapp Facebook X-twitter Youtube

Five-Offset Zero-Friction C-Type Ball Valve | High-Performance Wear-Resistant Valve

Five-Offset Zero-Friction C-Type Ball Valve | High-Performance Wear-Resistant Valve
  • Nominal Diameter: DN40‑DN1200 (1.5″‑48″)
  • Nominal Pressure: PN6‑PN16 (Class 150)
  • Operation Mode: Handwheel, Gear‑operated
  • Body Material: WCB, WC6, WC9, 304, 316L, Hastelloy C, Alloy 20, 2205, 2507, 904L, 310S, TA2, etc.
  • Seat Material: Metal‑to‑Metal
  • Manufacturing Standards: ANSI B16.34, GB/T 12237, DIN 3357, API 608, etc.
  • Flange Standards: ASME B16.5, JIS B2220, EN1092‑1, HG/T 20592, etc.
  • Operating Temperature: -29°C‑ 425°C
  • Applicable Media: Ore slurry, coal slurry, ash slurry, slag slurry, fly ash, lime slurry, gypsum slurry, sand‑laden media, mine tailings, blast‑furnace gas
For technical drawings and 3-D models, click on a part number.

Product details

The Five‑Eccentric Zero‑Friction Wear‑Resistant C‑Segment Ball Valve is a high‑performance special‑purpose ball valve engineered for high‑temperature, high‑pressure, highly abrasive and severe industrial service conditions. It features a unique five‑eccentric structure, zero‑friction opening‑closing design and wear‑resistant C‑segment ball.

During opening and closing cycles, the ball follows a special eccentric motion path to separate from, rotate past and finally engage the seat. No continuous friction occurs between the ball and seat throughout the rotating movement, which greatly reduces wear on sealing surfaces and cuts down operating torque.

The C‑segment ball adopts a specially‑designed flow passage. Hard‑facing treatment with hard‑alloy or wear‑resistant alloy materials can be applied according to working conditions, delivering outstanding performance in wear resistance, erosion resistance and high‑temperature endurance.

Working Principle of Five‑Offset Zero‑Friction Wear‑Resistant C‑Type Ball Valve
Opening Process: The actuator drives the valve stem and the ball to rotate. Thanks to the five‑offset geometric structure, the ball separates from the valve seat immediately at the initial stage of rotation, with no contact friction between the sealing surfaces. The C‑type cut‑out of the ball gradually exposes the flow passage, and the flow‑through area changes continuously with the rotation angle to realize flow regulation. When rotated by 90°, the valve reaches the fully‑open position and the medium flows through smoothly.

Closing Process: The ball is driven to rotate in the reverse direction, and the C‑type flow passage is gradually throttled down until the medium passage is cut off. After the ball rotates into place, the five‑offset structure generates wedging force to axially press the ball tightly against the sealing surface of the seat, creating a reliable high‑compression seal to block medium flow. Throughout the whole opening‑closing cycle, contact between sealing surfaces only occurs momentarily during final compression and pre‑opening separation. Zero friction is maintained during the entire rotation stroke.

Product Specifications

Manual ball valves are widely used on piping systems for fast opening and closing, to cut off or connect fluid media stably. Accurate parameter confirmation including working temperature, medium, pressure and caliber is required before ordering for correct valve selection. Customized solutions on valve size, pressure rating, connection standard and body material are available to meet diverse non-standard working conditions.（Unit: mm）

Five-Offset Zero-Friction C-Type Ball Valve – PN6-PN16

DNNPSType/ClassPart NoLDD1D2Z-d0fbH
40 1.5CQ40-PN6CQ40H06XLX15165 130 100 78 4-142 16 210
50 2CQ40-PN6CQ40H06XLX2178 140 110 88 4-142 16 230
65 2.5CQ40-PN6CQ40H06XLX25190 160 130 108 4-142 16 245
80 3CQ40-PN6CQ40H06XLX3203 190 150 124 4-142 18 265
100 4CQ40-PN6CQ40H06XLX4229 210 170 144 4-142 18 310
125 5CQ40-PN6CQ40H06XLX5254 240 200 174 8-182 18 350
150 6CQ40-PN6CQ40H06XLX6267 265 225 199 8-182 20 395
200 8CQ40-PN6CQ40H06XLX8292 320 2B0254 8-182 22 435
250 10CQ40-PN6CQ40H06XLX10330 375 335 309 12-182 24 480
300 12CQ40-PN6CQ40H06XLX12356 440 395 363 12-222 24 550
350 14CQ40-PN6CQ40H06XLX14381 490 445 413 12-222 24 620
400 16CQ40-PN6CQ40H06XLX16430 540 495 463 16-222 24 670
450 18CQ40-PN6CQ40H06XLX18502 595 550 518 16-222 24 700
500 20CQ40-PN6CQ40H06XLX20550 645 600 568 20-222 26 760
600 24CQ40-PN6CQ40H06XLX24660 755 705 667 20-262 30 850
700 28CQ40-PN6CQ40H06XLX28770 860 810 772 24-265 26 920
800 32CQ40-PN6CQ40H06XLX328B0975 920 878 24-305 26 1100
900 36CQ40-PN6CQ40H06XLX361000 1075 1020 978 24-305 26 1300
1000 40CQ40-PN6CQ40H06XLX401100 1175 1120 1078 28-305 26 1600
1200 48CQ40-PN6CQ40H06XLX481200 1405 1340 1295 32-335 28 1950
40 1.5CQ40-PN10CQ40H10XLX15165 150 110 84 4-182 18 210
50 2CQ40-PN10CQ40H10XLX2178 165 125 99 4-182 20 230
65 2.5CQ40-PN10CQ40H10XLX25190 185 145 118 4-182 20 245
80 3CQ40-PN10CQ40H10XLX3203 200 160 132 8-182 20 265
100 4CQ40-PN10CQ40H10XLX4229 220 180 156 8-182 22 310
125 5CQ40-PN10CQ40H10XLX5254 250 210 184 8-182 22 350
150 6CQ40-PN10CQ40H10XLX6267 285 240 211 8-222 24 395
200 8CQ40-PN10CQ40H10XLX8292 340 295 266 8-222 24 435
250 10CQ40-PN10CQ40H10XLX10330 395 350 319 12-222 26 480
300 12CQ40-PN10CQ40H10XLX12356 445 400 370 12-222 26 550
350 14CQ40-PN10CQ40H10XLX14381 505 480 429 16-222 26 620
400 16CQ40-PN10CQ40H10XLX16430 565 515 4B016-262 26 670
450 18CQ40-PN10CQ40H10XLX18502 615 565 530 20-262 28 700
500 20CQ40-PN10CQ40H10XLX20550 670 620 582 20-262 28 760
600 24CQ40-PN10CQ40H10XLX24660 780 725 6B220-302 34 850
700 28CQ40-PN10CQ40H10XLX28770 895 840 794 24-305 34 920
800 32CQ40-PN10CQ40H10XLX32880 1015 950 901 24-335 36 1100
900 36CQ40-PN10CQ40H10XLX361000 1115 1050 1001 28-335 38 1300
1000 40CQ40-PN10CQ40H10XLX401100 1230 1160 1112 28-365 38 1600
1200 48CQ40-PN10CQ40H10XLX481200 1455 1380 1328 32-395 44 1950
40 1.5CQ40-PN16CQ40H16XLX15165 150 110 84 4-182 18 210
50 2CQ40-PN16CQ40H16XLX2178 165 125 99 4-182 20 230
65 2.5CQ40-PN16CQ40H16XLX25190 185 145 118 4-182 20 245
80 3CQ40-PN16CQ40H16XLX3203 200 160 132 8-182 20 265
100 4CQ40-PN16CQ40H16XLX4229 220 180 156 8-182 22 310
125 5CQ40-PN16CQ40H16XLX5254 250 210 184 8-182 22 350
150 6CQ40-PN16CQ40H16XLX6267 285 240 211 8-182 24 395
200 8CQ40-PN16CQ40H16XLX8292 340 295 266 12-222 24 435
250 10CQ40-PN16CQ40H16XLX10330 405 355 319 12-262 26 4B0
300 12CQ40-PN16CQ40H16XLX12356 460 410 370 12-262 28 550
350 14CQ40-PN16CQ40H16XLX14381 520 470 429 16-262 30 620
400 16CQ40-PN16CQ40H16XLX16430 580 525 480 16-302 32 670
450 18CQ40-PN16CQ40H16XLX18502 640 585 548 20-302 40 700
500 20CQ40-PN16CQ40H16XLX20550 715 650 609 20-332 44 760
600 24CQ40-PN16CQ40H16XLX24660 840 770 720 20-362 54 850
700 28CQ40-PN16CQ40H16XLX28770 910 840 794 24-365 40 920
800 32CQ40-PN16CQ40H16XLX32880 1025 950 901 24-395 42 1100
900 36CQ40-PN16CQ40H16XLX361000 1125 1050 1001 28-395 44 1300
1000 40CQ40-PN16CQ40H16XLX401100 1255 1170 1112 28-425 46 1600
1200 48CQ40-PN16CQ40H16XLX481200 1485 1390 1328 32-485 52 1950

Designed with five‑offset zero‑friction sealing, the ball and seat remain out of contact during rotation for opening and closing, completely eliminating scuffing of sealing surfaces and greatly extending the service life of the seat. The C‑type cut‑out on the ball enables continuous flow regulation and integrates shut‑off and control functions into one unit. Hard‑facing alloy overlay is available on sealing surfaces to provide excellent wear‑resistance and erosion‑resistance, making the valve suitable for highly abrasive slurry media containing solid particles.

The eccentric wedging‑tight seal delivers reliable bidirectional sealing performance. It features stable operating torque and low risk of jamming. The straight‑through flow passage creates minimal flow resistance and reduces material buildup and clogging. Multiple actuation options are available including handwheel, worm‑gear, electric and pneumatic operators. This valve is well‑suited for severe abrasive‑service applications such as power‑plant ash‑removal, ore slurry and slag slurry.