Your location:

/ Valve products / air valve / Waterproof Hammer Exhaust Valve Air Valve / FSP4X Combined High-Speed Inlet Air Valve
全国销售热线:0577-67378222

Product classification of Kaiweixi

KAI WEI XI CHAN PIN FEN LEI
  • FSP4X Combined High-Speed Inlet Air Valve

  • More Waterproof Hammer Exhaust Valve Air Valve>>

  • More air valve>>

  • More valve>>

Contact Us
  • Phone:+86(577)6730 7899
  • Mobile:+86 1815 7711 652
  • Fax:+86(577)6738 7099
  • Email:merry@kaiweixi.com
  • Address:No. 1, Linxia Road, Oubei Street, Yongjia County, Wenzhou City, Zhejiang Province,china
  • Website:https://www.kaiweixi.com
Other valve products you may need
  • MSP4X Multi-function Air Valve with Water Hammer Protection
  • MSP4X Air Valve for Closure-Induced Water Hammer Protection
  • P4X Combined Air Admission and Release Valve
  • 3-Stage Air Valve (with Cushioned Disc)
FSP4X Combined High-Speed Inlet Air Valve

FSP4X Combined High-Speed Inlet Air Valve

  • Model:FSP4X-10/FSP4X-16/FSP4X-25/FSP4X-10Q/FSP4X-16Q/FSP4X-25Q/FSP4X-10P/FSP4X-16P/FSP4X-25P
  • Specification:DN15-DN200
  • Temperature:≤80℃
  • Medium:Water, and media similar to water.
  • Pressure:PN1.0-PN2.5Mpa
  • Connection method: flange connection
  • Driving method: automatic (float lever drive)
  • Material:Cast iron, ductile iron, stainless steel
x

Add QR code to serve you!

x

Add QR code to serve you!

x

Add QR code to serve you!

x
FSP4X Combined High-Speed Inlet Air ValveOverview

Overview

The FSP4X Combined High-Speed Inlet Air Valve is a high-performance automatic valve that integrates high flow high-speed exhaust, micro continuous exhaust, and rapid suction pressure compensation. This valve is optimized for the air management needs of pipeline systems at different stages of water filling, operation, and emptying. Its core feature is extremely fast exhaust speed, which can effectively prevent air resistance, water hammer, and negative pressure hazards. It is particularly suitable for pipeline systems with high flow rates, high head, or frequent operations, ensuring safe and efficient system operation. Widely used in large-scale water supply networks, long-distance water transmission projects, power plant circulating water systems, HVAC systems, industrial process pipelines, and fire pump room water supply main pipes that require rapid removal of large amounts of air and high system protection requirements. Especially suitable for high-risk pipeline nodes with frequent system start stop and prone to water hammer or negative pressure, it is a key equipment to ensure the efficiency and safety of large-scale fluid transportation systems.

FSP4X Combined High-Speed Inlet Air Valve product diagram

FSP4X Combined High-Speed Inlet Air ValveCharacteristic

Features:

1. High speed and large flow exhaust

Adopting a super large main exhaust port and optimized flow channel design, it can discharge gas at a very high speed (significantly higher exhaust volume than ordinary models) when the pipeline is filled with water or the system gathers a large amount of air, greatly reducing the system's water filling or exhaust time.

2. Composite dual stage exhaust mechanism

Integrating the main exhaust port (for large amounts of air) and the micro exhaust port (for continuous discharge of dissolved gases) into one, achieving automatic gas management throughout the entire process from system start-up to stable operation, ensuring that there are no residual airbags in the pipeline.

3. Rapid inhalation to prevent negative pressure

When the system suddenly stops pumping or generates negative pressure during drainage, the main exhaust port of the valve can instantly open to quickly suck in sufficient air, effectively preventing the pipeline from being sucked in, the interface from loosening, or the pump body from being damaged.

4. Reinforced structure and wide temperature applicability

The valve body and key components (such as floating balls and levers) are usually made of stainless steel, and high-temperature resistant materials (such as EPDM) can be selected as sealing components. The structure is sturdy and suitable for clean water, high-temperature condensed water, and industrial media with weak corrosiveness.

5. Anti clogging and easy to maintain design

There is a simple filter or streamlined design inside the main exhaust port to reduce the risk of debris intrusion; The upper cover is designed to be detachable for easy internal inspection, cleaning, and replacement of seals, making maintenance convenient.

FSP4X Combined High-Speed Inlet Air Valvestructure principle

Structure diagram of FSP4X Combined High-Speed Inlet Air Valve

Component name and material

序号NO名称Name Material材质Valve body
1阀体Valve bodyHT200 /QT450
2阀盖Valve coverSUS 304
3浮球floating ballSUS 304
4杠杆架lever frame铸铜ZH59cast copper ZH59
5杆pole铸铜ZH59cast copper ZH59
6塞头pack丁jing橡胶NBRDing Jing rubber NBR


FSP4X Combined High-Speed Inlet Air Valvetechnology parameter

Performance Specification Sheet

1. Medium: Clear water

2. Temperature: Normal temperature

3. Valve body: ductile iron

4. Float and plug: stainless steel

5. Sealing material: Ding Jing rubber

6. Valve body test pressure: 1.5Mpa

7. Floating ball, sealing test pressure: 0.05-1.1Mpa, no water leakage

Hourly displacement gauge

规格DNSpecification DN5080100150200250300350400
立方米/小时Cubic meter per hour85-35222-90434-141376-3179135-8831212-8831305-12717415-17309542-22608


FSP4X Combined High-Speed Inlet Air Valvestandard size

Standard requirements for external dimensions

1. The structural length of the valve shall be in accordance with the standard GB13927

2. Connecting flanges according to the standard GB/T 17241.6

                                 

                                                                                                     

                                     

                                                                                                                                                                                                                                   

                                                                                                                                         

Outline drawing of FSP4X Combined High-Speed Inlet Air Valve

Outline dimension table

通径DD1D2ΦHZ-Φd
2511585681953204-14
501601251001953204-18
801951601352423754-18
1002151801552603958-18
1502802402103455008-23
2003352952654256008-23
25039035032050068012-23
30044040036860578012-23
35050046042565086016-23
40056551548574094016-25