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Special valve series for gas pipeline network
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Gas reserve supporting valve

Worm gear forged steel ball valve Q347F-16/25/40/63

Features

1. Fixed ball structure, driven by worm gear.
2. The ball is supported at both ends, fixed in position, small torque, flexible opening and closing, and light.
3. The valve seat has an automatic compensation function to maintain the long-term sealing per

Technical Parameters


Technical Parameters


Nominal pressure Mpa 1.6 2.5 4.0 6.3
Shell test pressure Mpa 2.4 3.75 6.0 9.45
Sealing test pressure Mpa 1.76 2.75 4.4 6.93
Low pressure sealing pressure Mpa 0.6
Applicable temperature -29℃-+80℃
Applicable media Liquefied petroleum gas, natural gas, artificial gas, oil products, etc.
Flange Standard GB/T9113-2000
Inspection Standards JB/T9092-1999

Main parts materials:   

Valve body Upper valve stem Lower valve stem Sphere Combined packing Gasket Connecting plate
Forged Steel 20Cr13 20Cr13 1CrlBNi9 PTFE PTFE 20#

Ball valve 0347F nominal pressure PNl.6MPa dimensions and connection dimensions

DN L D Dl D2 D3 Convex D4 concave b f Z-φd
125 380 250 210 184 175 176 22 4.5 8-φ18
150 402 285 240 211 203 204 24 4.5 8-φ22
200 502 340 295 266 259 260 24 4.5 12-φ22
250 568 405 355 319 312 313 26 4.5 12-φ26
300 648 460 410 370 363 364 28 4.5 12-φ26
350 762 520 470 429 421 422 30 5 16-φ26
400 838 580 525 480 473 474 32 5 16-φ30

Ball valve Q347F nominal pressure PN2.5MPa dimensions and connection dimensions

DN L D Dl D2 D3 Convex D4 concave b f Z-φd
125 380 270 220 184 175 176 26 4.5 8-φ26
150 402 300 250 211 203 204 28 4.5 8-φ26
200 502 360 310 274 259 260 30 4.5 12-φ30
250 568 425 370 330 312 313 32 4.5 12-φ30
300 648 485 430 389 363 364 34 4.5 16-φ30
350 762 555 490 448 421 422 38 5 16-φ33
400 838 620 550 503 473 474 40 5 16-φ36

Ball valve 0347F nominal pressure PN4.0MPa dimensions and connection dimensions

DN L D Dl D2 D3 Convex D4 concave b f Z-φd
125 380 270 220 184 175 176 26 4.5 8-φ26
150 402 300 250 211 203 204 28 4.5 8-φ26
200 502 375 320 284 259 260 34 4.5 12-φ30
250 568 450 385 345 312 313 38 4.5 12-φ33
300 648 515 450 409 363 364 42 4.5 16-φ33
350 762 580 510 465 421 422 46 5 16-φ36
400 838 660 585 535 473 474 50 5 16-φ39

Ball valve 0347F nominal pressure PN63MPa dimensions and connection dimensions

DN L D Dl D2 D3 Convex D4 concave b f Z-φd
125 380 295 240 184 175 176 34 4.5 8-φ30
150 402 345 280 211 203 204 36 4.5 8-φ33
200 502 415 345 284 259 260 42 4.5 12-φ36
250 568 470 400 345 312 313 46 4.5 12-φ36
300 648 530 460 409 363 364 52 4.5 16-φ36
350 762 600 525 465 421 422 56 5 16-φ39
400 838 670 585 535 473 474 60 5 16-φ42