Flange Vertical Foot Valve
manufacturer: Shanghai MeiYan Yi Pump & Valve Co., Ltd.
E-mail: sales@1bengfa.com
Tel: +86 (21) 5640 2009
Mob: +86 138 1691 3072（WeChat Same Account）
product drawing
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
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 |
