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YQFX4-16Q Swirl Preventer

The YQFX4-16Q Swirl Preventer optimizes flow in chemical and water engineering, reducing fluid resistance and protecting equipment from eddy currents, suitable for DN15-DN600 pipes at max 16 bar and 0°C-80°C.

See more at Back Flow Preventer Catalog!

YQFX4-16Q Swirl Preventer

Product Standards
Connection flange pressure level PN10/PN16/PN25/150LB/10K/16K
Working   medium Direct drinking   water, drinking water, water, sewage, turbid, weak acid or weak alkaline   medium
Working   temperature 0-120℃
Material 304 stainless   steel, cast steel, cast iron, etc.
Flange   connection size according to standard GB 50974, also   meets EU standards
BS EN12845 standard design requirements
Usage   requirements according to standard GB/T1724.6,   also meets B.S.4504
Meet   the requirements GB/TT17219   hygiene requirements

 

performance   and parameters
Working pressure PN10/PN16/PN25/150LB/10K/16K
Nominal   diameter DN500-DN600,2''-24''
Working   temperature 0℃-80℃
Applicable   medium Normal   temperature water
Manufacturing   standard GB/JIS/ANSI/BSEN/ISO/DIN
Pressure   test GB/T 13927-2008

 

The dimensions of the swirl preventer comply with the EU   standard EN.12845, Article 9.35.
Nominal pipe diameter (DN) 65 80 100 150 200 250 300 350 400 450 500
Diameter   of swirl preventer top plate d 230 230 420 620 820 1020 1220 1220 1220 1350 1350
Installation   position of swirl preventer Hmin 365 365 460 560 660 760 860 860 860 925 925
Minimum   immersion depth A 100 100 100 100 100 100 100 100 100 100 100
Minimum   distance from suction pipe to pool bottom B 80 80 100 100 150 200 200 300 300 350 350
Minimum   allowable water level of water tank C 180 180 200 200 250 300 300 400 400 450 450

 

The flange connection dimensions comply with the GB/T17241.6   standard
Nominal   pipe diameter (DN) 65 80 100 150 200 250 300 350 400 450 500
Swirl preventer height G PN10 94 94 114 116 166 216 216 316 320 370 370
PN16 94 94 114 116 166 216 216 316 320 370 370
PN25 94 94 114 120 170 222 222 324 326 376 376
E PN10 185 200 220 285 340 395 445 505 565 615 670
PN16 185 200 220 285 340 405 460 520 580 640 715
PN25 185 200 235 300 360 425 485 555 620 670 730
F PN10 145 160 180 240 295 350 400 460 515 565 620
PN16 145 160 180 240 295 355 410 470 525 585 650
PN25 145 160 190 250 310 370 430 490 550 600 660
MThread size PN10 M16 M16 M16 M20 M20 M20 M20 M20 M24 M24 M24
PN16 M16 M16 M16 M20 M20 M20 M20 M20 M24 M24 M24
PN25 M16 M16 M20 M24 M24 M27 M27 M30 M33 M33 M33
Number of threaded holes n 4

PRODUCT DESCRIPTION

1.Swirl preventers are widely used in chemical, energy, water engineering and other fields, especially in fire water pools (boxes),
2.Can ensure that the effective volume is fully utilized and improve the effective utilization rate of fire water pools.
3.Reduce dead water areas and achieve land saving requirements.
4.During rescue, fire water can be used to the maximum extent.

FEATURES

1.Flow optimization: reduce fluid resistance and energy loss.
2.Protect equipment: prevent vibration, wear or measurement errors caused by eddy currents in pumps, flow meters, valves, etc.
3.Versatility: suitable for liquids (water, oil, etc.) and gases (air, steam, etc.).
4.Maintenance-free design: no moving parts, simple structure and long service life.
5.Modular installation: adapt to a variety of pipe sizes (DN15~DN600) and connection methods.

APPLICATION

1.Pump inlet pipeline: prevent pump cavitation and extend pump life.
2.Flow meter upstream: eliminate fluid disturbance and ensure measurement accuracy.
3.Tank outlet/inlet: avoid liquid surface vortex causing gas mixing or incomplete emptying.
4.Cooling/heating system: reduce pipeline vibration and noise.
5.Chemical and energy: maintain stable flow in volatile or high-viscosity medium pipelines.

WORKING PRESSURE

Maximum working pressure 16 bar (230psi).

STANDARD

Product testing is carried out in accordance with GB/T13927 Industrial valve pressure test.

TEMPERATURE RANGE

0 °C to 80°C.

COATING

Fusion Bonded Epoxy Coating.

YQFX4-16Q Swirl Preventer YQFX4-16Q Swirl Preventer

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