Bestyear Marine Cast Steel Valves

Model NO.: Marine
Flow Direction: Bidirectional
Standard: JIS
Application: Industrial Water Usage
Model: JIS F7311
Nominal Diameter: ≤300mm
Fluid Condition: Oil and Pulsating Water
Pressure Rating (MPa): 1.05
Body Material: Carbon Steel
Brand: Bestyear, QBV
Packaging: Plywood Box
Standards: JIS, CE, BS, DIN, API, MSS, AWWA
Origin: China
HS Code: 84818040

We offer a wide range of marine cast steel valves suitable for various industrial applications. Our products are designed to meet the highest quality and performance standards, ensuring reliable operation in demanding environments.

**Product Details:**
1) JIS F7311, JIS F7319 - Cast Steel Globe Valves
2) JIS F7312, JIS F7320 - Cast Steel Angle Valves
3) JIS F7366 - Cargo Rising Stem Gate Valves
4) JIS F3060, JIS S3060 - Marine Screw-Down Angle Storm Valves

**JIS F7311 – Product Overview**

This valve is fully manufactured according to the JIS F7311 standard. The flanges are designed to meet the 5K nominal pressure requirements of JIS B2210. All inspection and testing procedures are conducted in strict compliance with JIS F7400 standards.

**Technical Specifications**

**Test Pressure (MPa)**
Nominal Diameter ≤300
Seal Pressure 0.77
Intensity Pressure 1.05

**Maximum Working Pressure (MPa)**
Nominal Diameter ≤300
Fluid Condition Oil and Pulsating Water 0.5
Non-shock Water (120°C or below) 0.7

**Main Components Materials**
Body Carbon Steel
Cover Carbon Steel
Disc Cast Steel
Seat Ring Cast Steel
Yoke Bushing Cast Bronze
Stem Stainless Steel

**JIS F7312 – Product Overview**

The JIS F7312 valve is also produced in accordance with the JIS F7312 standard, with flanges conforming to the 5K nominal pressure of JIS B2210. All testing and inspection follow the JIS F7400 standard to ensure product reliability and safety.

**Technical Data**
Test Pressure (MPa)
Nominal Diameter ≤300
Seal Pressure 0.77
Intensity Pressure 1.05
Maximum Working Pressure (MPa)
Nominal Diameter ≤300
Fluid Condition Oil and Pulsating Water 0.5
Non-shock Water (120°C or below) 0.7

**Main Parts Material Specification**
Parts Material
Name Grade Standard No.
Body Carbon Steel WCB GB12229
Cover
Disc Cast Steel ZG2Cr13 GB12230
Seat Ring
Yoke Bushing Cast Bronze ZCuSn5 Pb5 Zn5 GB12225
Stem Stainless Steel OCr12 GB1220


For more detailed information or specific inquiries, feel free to contact us. We are here to assist you with all your valve needs. Bestyear Marine Cast Steel Valves

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