Thermoforming Packaging Machine Thermoforming Packaging Machine,Thermoforming Vacuum Packing Machine, Thermoforming Modified Atmosphere (MAP) Packaging Machine, Thermoforming Vacuum Skin (VSP) Packaging Machine ZHUCHENG YIKANG FOOD PACKING MACHINERY CO., LTD. , https://www.yikangmachinery.com
**Product Specifications**
- **Model No.:** H71
- **Flow Direction:** Unidirectional
- **Standard:** ANSI
- **Application:** Industrial, Water Treatment, and Household Use
- **Size Range:** 2" to 56"
- **Trademark:** Yuefeng
- **Packaging:** Wooden Box
- **Specification:** 100x100x100
- **Origin:** China
- **HS Code:** 8481804090
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**Product Description**
**Wafer Type Lift Disc Check Valve**
This wafer type lift disc check valve is designed for efficient flow control in various industrial applications. It features a compact design with a metal or rubber seal option, making it suitable for different environments.
**Key Features:**
- Complies with API 594 standards
- Face-to-face dimension according to ANSI B16.10
- Flange ends conform to ANSI B16.5/ANSI B16.47
- Final inspection tests meet API 598 requirements
**Materials:**
Available in a wide range of materials including WCB, CF8, CF3, GR4A, and Hastelloy C, allowing flexibility for different operating conditions and media types.
**Corrosion Protection:**
The valve is coated with epoxy on both the inside and outside surfaces, providing excellent resistance to corrosion. It can operate within a temperature range of -196°C to 540°C, depending on the material used.
**Applicable Media:**
Suitable for water, oil, gas, and other corrosive media, with material selection based on the specific application.
**Product Models:**
H74H, H74W, H74X – available in different pressure ratings (10-40C/P/R).
**Images:**
[Single-Disc Swing Wafer Check Valve (H74)](image link)
[Testing Equipment](image link)
[Workshop](image link)
**Technical Details:**
| **Parameter** | **Details** |
|--------------|-------------|
| **Structural Type** | Dual-disc swing type check valve |
| **Design Standard** | GB/T 12224, API 594 |
| **Face-to-Face** | GB/T 15188.2, ASME B16.0 |
| **Flanged Ends** | JB/T 79, GB/T 9113, HG20592, ASME B16.5 |
| **Test & Inspection** | JB/T 9092, API 598 |
**Material Options:**
| **Part** | **Material** | **ASTM Equivalent** |
|----------|---------------|---------------------|
| **Body** | WCB, CF8, CF8C, CF8M, CF3, CF3M | ASTM A216 WCB, ASTM A351-CF8, CF8M, CF8C, CF3, CF3M |
| **Disc** | WCB, CF8, CF8C, CF8M, CF3, CF3M | ASTM A216 WCB, ASTM A351-CF8, CF8M, CF8C, CF3, CF3M |
| **Pivot** | 1Cr13, 2Cr13, 1Cr18Ni9Ti, 0Cr18Ni12Mo2Ti | ASTM A182 Gr F6a, ASTM A182 F22, ASTM A182-F304/F316/F321/F304L/F316L |
| **Spring** | 4Cr13, 60Si2Mn, 1Cr18Ni9Ti, 0Cr18Ni12Mo2Ti | AISI 9260, AISI 6150, ASTM A182-F304/F316/F321/F304L/F316L |
**Note:** The size and connection type (flanged or butt-welded) can be customized according to customer requirements.
This check valve is ideal for use in pipelines where unidirectional flow is required, offering reliable performance and long service life. Whether for industrial, water treatment, or household applications, this product ensures high quality and durability.
July 31, 2025