A31 Wafer Wear Resistant Butterfly Valves

Product Details
Customization: Available
Media: Oil
Material: Carbon Steel
Diamond Member Since 2019

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Year of Establishment
2018-11-19
Number of Employees
9
  • A31 Wafer Wear Resistant Butterfly Valves
  • A31 Wafer Wear Resistant Butterfly Valves
  • A31 Wafer Wear Resistant Butterfly Valves
  • A31 Wafer Wear Resistant Butterfly Valves
  • A31 Wafer Wear Resistant Butterfly Valves
  • A31 Wafer Wear Resistant Butterfly Valves
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Basic Info.

Model NO.
A31
Connection Form
Wafer
Driving Mode
Depend on Products
Nominal Pressure
Depend on Products
Channel
Depend on Products
Structure
Depend on Products
Type
Depend on Products
Function
Blow-Down Valve, Relief Valve, Atmospheric Valve
Temperature
-40--+260
Standard
En1092 Pn10/16, ASME B16.5 Class150
Application
Industrial Usage
Body
ASTM A536 65-45-12, CF8, CF8m, Nylon
Disc
ASTM A536 65-45-12 Nickle Plated, CF8, CF8m, 250
Seat
EPDM, NBR, FPM, HNBR
Stem
Ss420, Ss431
Nominal Diameter
DN50-DN2000
Operating Pressure
16bar for DN50-DN300, 10bar for DN350- DN2000
Tightness Check
ISO 5208 Category 3, API 598 Table 5
Operation
Hand Lever, Gear Box, Pneumatic Actuator, Electri
Transport Package
Wooden Box
Specification
Depend on products
Trademark
Zegota
Origin
China
Production Capacity
10000 PCS/Month

Product Description

                A31 Wafer Wear Resistant Butterfly Valves 

A31 Wafer Wear Resistant Butterfly ValvesA31 Wafer Wear Resistant Butterfly ValvesA31 Wafer Wear Resistant Butterfly ValvesA31 Wafer Wear Resistant Butterfly Valves
The A31 Wafer Wear Resistant Butterfly Valves is a high-performance, compact industrial fluid control solution engineered for demanding industrial applications. Featuring a precision-engineered concentric design where the valve stem aligns perfectly with the disc centerline, this valve ensures smooth operation and reliable sealing in low-to-medium pressure systems. Constructed with robust materials such as ductile iron, stainless steel, or specialty alloys, and paired with corrosion-resistant EPDM, NBR, or high-temperature seals, it operates effectively across a temperature range of -20°C to 200°C, handling diverse media including water, steam, oils, and mild acidic/alkaline fluids.

Its space-saving wafer-style flange design simplifies installation and reduces pipeline complexity, making it ideal for space-constrained environments like municipal water supply, HVAC systems, food processing, and chemical plants. The lightweight structure, combined with low-torque operation, supports manual worm gear, pneumatic, or electric actuators for rapid response and precise flow control. Certified to ISO 5211 drive interfaces and API 609 fire-safe standards, the valve offers bidirectional sealing, a lifespan exceeding 100,000 cycles, and easy maintenance through replaceable seat seals-significantly reducing lifecycle costs. Typical applications include pump station shutoff, heat exchanger isolation, and industrial circulation control, positioning it as an optimal choice for efficiency-driven operations and cost-effective infrastructure.

 
 
 
 
 
 

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