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Fakai Valve Factory Site: Yongxing Industrial Zone, Longwan District, Wenzhou City Tel: 0577-88767789
Fax: 0577-85983279
Mobile: 15958706338
Contact: Mr. Wang Email: 1552028357@qq.com
Website: http://klhqcm.com

H44H swing check flange check valve

H44H Swing Flange Check Valve Structure
H44H Swing Flange Check Valve Structure

Scope of application

H44H swing check flange check valve is strictly designed and manufactured in accordance with GB12236 standard. The pin and disc connection are built-in structure, excellent performance, more reliable sealing, widely used in nominal pressure PN1.6 ~ 16.0Mpa, working temperature -29 It is used to cut off or connect the medium to the pipelines under various working conditions such as petroleum, chemical industry and thermal power station at 550 ℃. Applicable media: water, oil, steam, acid media, etc. We can provide products with connection sizes of American, Japanese, German, and National Standards.

Manufacturing Standards

Design and manufacturing: GB12236
Structure length: GB12221
Pressure temperature class: GB9131 JB / T74 HG20604
Connection flange: JG / T74-79 GB9113 HG20593-20635
Test and inspection: GB13927 JB / T9092

Structural features

  1. The product is designed and manufactured according to GB12236 design standard, with reasonable structure, reliable seal and beautiful appearance.
  2. The sealing surfaces of the valve disc and the valve seat are made of stellite cobalt-based hard alloy, which is hard-wearing, high-temperature resistant, good abrasion resistance and long service life.
  3. Various piping flange standards and flange sealing surface types can be used to meet various engineering needs and user requirements.
  4. The valve body has a complete range of materials, and the packing and gaskets are reasonably selected according to the actual working conditions or user requirements, which can be applicable to various pressure, temperature and medium working conditions.
  5. The disc rotates around the pin outside the valve seat, reducing violent shocks when closing.
  6. The connection between the pin and the valve disc adopts a built-in pin structure, which reduces the external leakage point and is more reliable in use.

Application specifications

Design and Manufacturing GB / T12235
Connection size Structure length GB / T12221
Flange size JB / T79
Inspection and test JB / T9092
material Carbon steel GB / T12229
stainless steel GB / T12230
alloy steel Q / ZB66
Sign GB / T12220
Supply JB / T7928

Part material

Valve body cap Disc Valve seat Applicable medium proper temperature
(≤ ℃)
WCB WCB + D507Mo WCB + D577 Water, oil, steam 425
ZG1Cr18Ni9Ti 0Cr18Ni9 +
Stellite12
0Cr18Ni9 +
Stellite6
Acid 200
ZG1Cr18Ni2Mo2Ti CF8M + Stellite12 ZG1Cr18Ni2Mo2Ti Phosphoric acid, acetic acid, mixed acid 200
ZG00Cr17Ni14Mo2 CF3M + Stellite12 CF3M + Stellite6 Urea, methylammonium solution, phosphoric acid 200
ZG1Cr5Mo ZG1Cr5Mo +
Stellite12
ZG1Cr5Mo +
Stellite6
Water, oil, steam 550

H44H-16C, H44W-16C / P / R / I Dimensions

Nominal diameter DN L D D1 D2 b Z-Φd H WT (Kg)
H44H-16C H44W-16C H44W-16P H44W-16R H44W-16I
50 230 160 125 100 16 4-Φ18 135 twenty one
65 290 180 145 120 18 4-Φ18 142 28
80 310 195 160 135 20 8-Φ18 165 38
100 350 215 180 155 20 8-Φ18 180 58
125 400 245 210 185 twenty two 8-Φ18 210 92
150 480 280 240 210 twenty four 8-Φ23 233 130
200 500 335 295 265 26 12-Φ23 304 210
250 550 405 355 320 30 12-Φ25 348 294
300 650 460 410 375 30 12-Φ25 390 367
350 750 520 470 435 34 16-Φ25 430 410
400 850 580 525 485 36 16-Φ30 468 461
450 950 640 585 545 40 20-Φ30 523 570
500 1025 705 650 608 44 20-Φ34 525 850

H44H-25, H44W-25 / P / R / I

Nominal diameter DN L D D1 D2 b Z-Φd H WT (Kg)
H44H-25 H44W-25 H44W-25P H44W-25R H44W-25I
50 230 160 125 100 20 4-Φ18 160 twenty two
65 290 180 145 120 twenty two 8-Φ18 175 29
80 310 195 160 135 twenty two 8-Φ18 185 38
100 350 230 190 160 twenty four 8-Φ23 220 61
125 400 270 220 188 28 8-Φ25 248 96
150 480 300 250 218 30 8-Φ25 276 132
200 550 360 310 278 34 12-Φ25 350 213
250 650 425 370 332 36 12-Φ30 410 297
300 750 485 430 390 40 16-Φ30 430 372
350 850 550 490 448 44 16-Φ34 518 415
400 950 610 550 505 48 16-Φ34 560 480
450 1025 660 600 555 50 20-Φ34 582 610
500 1150 730 660 610 52 20-Φ41 618 920

H44H-40, H44W-40 / P / R / I Dimensions

Nominal diameter DN L D D1 D2 D6 b f f2 Z-Φd H WT (Kg)
H44H-40 H44W-40 H44W-40P H44W-40R H44W-40I uneven flange
50 230 160 125 100 88 20 3 4 4-Φ18 169 twenty two
65 290 180 145 120 110 twenty two 3 4 8-Φ18 173 20
80 310 195 160 135 121 twenty two 3 4 8-Φ18 185 38
100 350 230 190 160 150 twenty four 3 4.5 8-Φ23 220 61
125 400 270 220 188 176 28 3 4.5 8-Φ25 248 96
150 480 300 250 218 204 30 3 4.5 8-Φ25 270 132
200 550 375 320 282 260 38 3 4.5 12-Φ30 342 213
250 650 445 385 345 313 42 3 4.5 12-Φ34 401 297
300 750 510 450 408 364 46 4 4.5 16-Φ34 423 372
350 850 570 510 465 422 52 4 5 16-Φ34 455 415
400 950 655 585 535 474 58 4 5 16-Φ41 510 480

H44H-64, H44W-64 / P / R / I Dimensions

Nominal diameter DN L D D1 D2 D6 b f f2 Z-Φd H WT (Kg)
H44H-64 H44W-64 H44W-64P H44W-64R H44W-64I Concave and convex flange
50 300 175 135 105 88 26 3 4 4-Φ23 177 27
65 340 200 160 130 110 28 3 4 8-Φ23 197 37
80 380 210 170 140 121 30 3 4 8-Φ23 212 57
100 430 250 200 168 150 32 3 4.5 8-Φ25 248 89
125 500 295 240 202 176 36 3 4.5 8-Φ30 296 135
150 550 340 280 240 204 38 3 4.5 8-Φ34 330 184
200 650 405 345 300 260 44 3 4.5 12-Φ34 385 266
250 775 470 400 352 313 48 3 4.5 12-Φ41 445 396
300 900 530 460 412 364 54 4 4.5 16-Φ41 474 643
350 1025 595 525 475 422 60 4 5 16-Φ41 514 815
400 1150 670 585 525 474 66 4 5 16-Φ48 616 1234

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