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Flange Vertical Foot Valve

manufacturer: Shanghai Fengqi Industry Development Co., Ltd.
Eml: sales@fengqi.sh.cn

Tel: 86 (21) 3652 8716
Mob: (86) 138 1635 6498

product drawing

Flange vertical foot valve check valves
Flange vertical foot valve check valves

Usages

H42X-type foot valve is a kind of energy-saving valve, generally installed in the bottom end of the pump underwater suction pipes. It restricts the pump pipe water to back, plays only enter and no exit function. The bonnet has a number of water supplies and strengthen tendon, with a hard block feature, is mainly used in pumping pipes, with watercourses and supporting functions. The diameters are single disc, double disc, multi disc type, and have flange connection and thread connection.
The foot valve consists of seat, disc, bonnet, sleeve, and sealing ring and other components. To the details, please see the following picture. The water enter into body through bonnet, and the disc open the water under the flow pressure. After the stop indication, the outlet pipe pressure closes the disc quickly, the liquid will not back, plays a role of smoothing pumping and saving the water loss.

Performance and specification

nominal pressure:PN0.25MPa
nominal diameter:DN15~DN350
applicable medium: water, oil, and non-corrosive medium
implement standard:Q/12 NJ3583-2001
test standard:GB/T13927-1992

type nominal pressure test pressure working temperature ℃ applicable medium
intensity(water)MPa sealing (water)MPa
H42X-2.5 0.25 0.4 0.25 ≤50 water

Dimensions & constructral diagram

Flange vertical foot valve check valve constructral diagram
Flange vertical foot valve check valve constructral diagram

The materials of main parts

part name materials
body,bonnet,disc grey cast iron304 316 316L
sealing ring rubber
gasket asbestos plate
type Nominal diameter DN(mm) D0 D D1 D2 z-d Applicable medium Suitable temperature
H42 H45 H46 80 195 185 150 125 4-18 Water,oil,liquid,acid-base Cast iron ≤80 ℃ Stainless steel ≤175 ℃
100 215 205 170 145 4-18
150 280 260 225 200 8-18
200 370 315 280 255 8-18
250 390 370 335 310 12-18
300 497 435 395 362 12-23
350 580 485 445 412 12-23
400 620 535 495 462 16-23
450 705 590 550 518 16-23
500 715 640 600 568 16-23
600 890 755 705 670 20-25
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