Durable Rubber Flap Check Valve for Efficient Flow Control

Product Details
Customization: Available
Media: Water
Driving Mode: Manual
Gold Member Since 2025

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  • Durable Rubber Flap Check Valve for Efficient Flow Control
  • Durable Rubber Flap Check Valve for Efficient Flow Control
  • Durable Rubber Flap Check Valve for Efficient Flow Control
  • Durable Rubber Flap Check Valve for Efficient Flow Control
  • Durable Rubber Flap Check Valve for Efficient Flow Control
  • Durable Rubber Flap Check Valve for Efficient Flow Control
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  • Overview
  • Product Description
  • Detailed Photos
  • Product Parameters
  • Certifications
  • Company Profile
  • Our Advantages
  • After Sales Service
Overview

Basic Info.

Model NO.
H44X-16Q
Connection Form
Flange Connection
Structure
EPDM
Seal Form
Metal Hard Seal
Valve Stem
Nothing
Work Pressure
1.6 MPa
Working Temperature
Normal Temperature (-40°C<T<120°C)
Material of Seal Surface
Rubber
Valve Body
Found
Standard
GB/T13927-2022
Application
Industrial Usage, Water Industrial Usage, Household Usage
Model No.
Cbf02-TF01
Body Material
Cast Lron/Ductile Lron/Wcb/CF8m/CF8/Al-Bronze
Seat Material
NBR/EPDM/PTFE/FKM/Silicone etc
End Standard
Pn6/10/16/25/21/150lb/JIS5K/10 K/As2129 Table D/E/
Power
Di/Nylon/1.4469/1.4529/Saf2205/ 2507/CF8/CF8m etc
Coating
Fbe Epoxy Coated
Face to Face
En558:API609:DIN3202:Is05752:BS 5155:Awwa
Transport Package
Wooden Box, Wooden Pallet
Specification
DN50-DN3000
Trademark
JINTONG
Origin
Tianjin
HS Code
1207960
Production Capacity
10000000pieces/Year

Product Description

Product Description

The company's production of A-type, LT-type butterfly valve is the introduction of advanced technology in the United States, the first domestic production has thirty years of production history of the product. He has won several national high-quality awards. The transmission mode is: hand-handled snail rod transmission, pneumatic, electric, and so on. The size range is DN25 to DNI200.
The company's butterfly valves can be used on the pipeways of petroleum, chemical, food, pharmaceutical, paper, hydropower, marine, drainage, metallurgy, energy and other systems, and are suitable for a variety of corrosive gases, liquids, semi-liquids and solid powder media.

Detailed Photos

 

 
Durable Rubber Flap Check Valve for Efficient Flow Control Durable Rubber Flap Check Valve for Efficient Flow Control
Product Parameters
 

I. Model Analysis

Code Part Meaning Specific Description
H Valve Type Check Valve (prevents medium backflow)
4 Connection Type Flange Connection (GB/T 9113 standard)
4 Structure Type Swing Type (disc rotates around a shaft)
X Sealing Surface Material Rubber Plate (NBR/EPDM)
16 Nominal Pressure PN1.6 MPa (16 kgf/cm²)
Q Body Material Ductile Iron (QT450-10)

II. Core Technical Parameters

1. Dimensions & Pressure
  • Nominal Diameter (DN): DN50-DN300 (common sizes: DN50, DN80, DN100, DN150, DN200, etc.)
  • Nominal Pressure (PN): 1.6 MPa (shell test pressure: 2.4 MPa; sealing test pressure: 1.76 MPa)
  • Flange Standard: GB/T 9113 (RF face), customizable for other standards
2. Material Composition
Component Material Performance Characteristics
Valve Body Ductile Iron (QT450-10) Tensile strength ≥450MPa, high impact resistance; suitable for non-corrosive media like water, steam, and oil.
Sealing Face NBR/EPDM Rubber NBR: Oil-resistant (suitable for hydraulic oil); EPDM: Water/steam-resistant (suitable for water supply/drainage and HVAC systems).
Disc Ductile Iron/Carbon Steel Surface anti-corrosion treatment to enhance wear resistance.
Valve Shaft Carbon Steel (Q235B) Heat-treated for strengthened anti-deformation during opening/closing.
3. Working Parameters
  • Applicable Media:
    • Water (cold/hot/circulating), saturated steam (≤1.6 MPa), lubricating oil, diesel, and other non-strongly corrosive liquids.
    • Not suitable for strong acids, alkalis, or organic solvents (e.g., sulfuric acid, hydrochloric acid).
  • Working Temperature:
    • NBR seal: -20°C-120°C; EPDM seal: -50°C-150°C (rubber aging occurs beyond temperature range).
  • Flow Direction: Unidirectional. The valve body is marked with a flow arrow, which must align with the pipeline flow direction.
4. Performance Indicators
  • Leakage: Complies with GB/T 13927 Class VI (bubble-tight); rubber sealing surface achieves zero leakage.
  • Pressure Loss: Swing structure offers low resistance. For DN100, pressure loss is approximately 0.02-0.05 MPa.
  • Opening/Closing Response: Opens at forward flow velocity ≥0.5 m/s, closes at reverse flow velocity ≤0.1 m/s, with response time ≤0.5 s.

III. Installation & Standards

  • Installation Method:
    • Horizontal installation: Keep the valve shaft horizontal;
    • Vertical installation: Medium must flow from bottom to top (avoids disc malfunction due to gravity).
  • Execution Standards:
    • Manufacturing: GB/T 12227 (ductile iron valves), GB/T 12236 (swing check valves);
    • Testing: Shell pressure 2.4 MPa (hold for 15 min), sealing pressure 1.76 MPa (hold for 10 min).
  • Application Scenarios:
    • Water supply/drainage systems (prevent backflow at pump outlets), HVAC circulating water, steam heating, and industrial oil pipelines.
 
Certifications

 

Durable Rubber Flap Check Valve for Efficient Flow Control
Company Profile

Jintong continuously strengthens core technologies and innovation, continuously pursues excellence and excellence, and ensures the excellent performance of each product with advanced production equipment, strict quality management, and precision production and testing processes.
Serve sincerely, win trust, be based on the market and serve the market. The mature process, rigorous style and perfect quality system comprehensively guarantee the efficient and standardized operation of all aspects, from raw material procurement, product manufacturing to sales and shipping, and the quality compared with similar products at home and abroad can meet the needs of different customers. Excellent product quality, warm and attentive service, and a fast delivery period have made Zinco very well received by many users.
 

Durable Rubber Flap Check Valve for Efficient Flow Control
Durable Rubber Flap Check Valve for Efficient Flow Control
Durable Rubber Flap Check Valve for Efficient Flow Control

 

Our Advantages

Product quality: Selecting high-quality materials, strictly controlling the production process, the valve is resistant to corrosion and wear, ensuring stable operation under various complex conditions, and the service life far exceeds that of peer products.
 
Technical innovation: We have a professional research and development team, constantly invest in R & D and introduce advanced technologies.
 
Custom service: Fully understand the customer's needs, provide personalized valve solutions, communicate closely from product design to production manufacturing, and ensure that the valve is perfectly adapted to the customer application scenario.
 
Value-for-money advantage: Optimize production processes, reduce costs, guarantee high product quality while providing a highly competitive price, creating higher value for customers.
 
After-sales service: Establish a comprehensive after-sales service system, provide 24-hour technical support, quickly respond to customer after-sales problems, and solve faults in a timely manner, so that customers have no worries.

After Sales Service

After the customer feedback on the problem, the technicians within 24 hours carry out fault diagnosis and repair technology to ensure the quality of maintenance and ensure the normal operation of the customer's equipment.



 

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