Marine Stop Check Valve with Flanged Connection for Marine Oil Pipe Systems
Our Marine Stop Check Valve with Flanged Connection, compliant with the GB/T5744-2008 standard, is specifically designed for robust performance in marine oil pipe systems. This valve is engineered to swiftly shut off the oil flow, ensuring efficient and reliable operation in demanding marine environments. It is available in both manual and pneumatic configurations, providing flexibility to meet various operational requirements.
Key Features:
- Design Standard: Adheres to GB/T5744-2008, ensuring high quality and reliability.
- Test Standard: Meets GB600 standards for rigorous testing and validation.
- Flange Sizes: Available in sizes as per GB2501 and GB569 standards, accommodating a wide range of pipe diameters.
- Multiple Configurations:
- Straight & Manual Type: AS (with GB569 flange), ASS (with GB2501 flange)
- Straight & Pneumatic Type: AQ (with GB569 flange), AQS (with GB2501 flange)
- Angle & Manual Type: BS (with GB569 flange), BSS (with GB2501 flange)
- Angle & Pneumatic Type: BQ (with GB569 flange), BQS (with GB2501 flange)
Technical Specifications:
- Nominal Pressure: 0.25 Mpa
- Nominal Diameter: 20-150 mm
- Applicable Medium: Fuel oil, lubrication oil, and other oils
Main Materials:
- Body: Cast Steel
- Bonnet: Cast Steel
- Disc: Carbon Steel
- Stem: Stainless Steel
- Piston: Brass
Detailed Size List (Flange as per GB569):
| DN (mm) | Structure Dimension | Thickness δ (mm) | Flange (D, D1, D2, b, d0) | Bolt (n, Th.) | Hand Wheel (Do, S) | Lift Range (m) | Cylinder Volume (cm³) | Weight (kg) |
|---|---|---|---|---|---|---|---|---|
| 20 | 150, 95, 240, 320, 143 | 44 | 95, 68, 48, 11, 13 | 4, M12 | 80, 8 | 7 | 27 | 5.8-7.1 |
| … | … | … | … | … | … | … | … | … |
| 150 | 480, 225, 430, 580, 155 | 75 | 240, 208, 190, 14, 15 | 12, M14 | 225, 19 | 10 | 58 | 47.8-40.0 |
Detailed Size List (Flange as per GB2501):
| DN (mm) | Structure Dimension | Thickness δ (mm) | Flange (D, D1, D2, b, d0) | Bolt (n, Th.) | Hand Wheel (Do, S) | Lift Range (m) | Cylinder Volume (cm³) | Weight (kg) |
|---|---|---|---|---|---|---|---|---|
| 20 | 150, 95, 240, 320, 143 | 44 | 90, 65, 50, 14, 11 | 4, M10 | 80, 8 | 7 | 27 | 6.8-8.0 |
| … | … | … | … | … | … | … | … | … |
| 150 | 480, 225, 430, 580, 155 | 75 | 265, 225, 202, 20, 18 | 8, M16 | 225, 19 | 10 | 58 | 59.8-52.0 |
FAQs:
Q1: What is the primary function of the Marine Stop Check Valve?
A1: The primary function of the Marine Stop Check Valve is to swiftly shut off the oil flow in marine oil pipe systems, ensuring efficient and reliable operation.
Q2: What are the available configurations for this valve?
A2: The valve is available in multiple configurations, including straight and angle types, with both manual and pneumatic operation options. Specific models include AS, ASS, AQ, AQS, BS, BSS, BQ, and BQS.
Q3: What standards does this valve comply with?
A3: The valve complies with the GB/T5744-2008 design standard and the GB600 test standard, ensuring high quality and reliability.
Q4: What materials are used in the construction of this valve?
A4: The main materials used in the construction of this valve include cast steel for the body and bonnet, carbon steel for the disc, stainless steel for the stem, and brass for the piston.
Q5: What is the nominal pressure and diameter range for this valve?
A5: The nominal pressure for this valve is 0.25 Mpa, and the nominal diameter range is 20-150 mm, making it suitable for various marine oil pipe system applications.
Q6: Can this valve be used with different types of oils?
A6: Yes, this valve is designed to be used with fuel oil, lubrication oil, and other types of oils, providing versatility in marine applications.
Q7: How do I choose the right flange size for my marine oil pipe system?
A7: The flange sizes are available as per GB2501 and GB569 standards. You should select the appropriate flange size based on the diameter of your marine oil pipe system to ensure a proper fit and optimal performance.
Attention please: The description was copied from different cooperating manufacturers. The description may be different with the goods, please check with us when order.
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