Thermoforming Modified Atmosphere (MAP) Packaging Machine Thermoforming Modified Atmosphere Packaging Machine, Packaging Machine Line in Rigid Film, Modified Atmosphere (MAP) Packaging Machine, Prepared Meals 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, Household Use
- **Size Range:** 2" - 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 reliable and efficient flow control in a wide range of industrial applications. It is available with either metal or rubber sealing options to suit different environments.
**Key Features:**
- Complies with API 594 standards
- Face-to-face dimension according to ANSI B 16.10
- Flange ends conforming to ANSI B 16.5 / ANSI B 16.47
- Final inspection tests meet API 598 requirements
**Materials Available:**
- WCB, CF8, CF3, GR4A, Hastelloy C, and more
**Corrosion Protection:**
- Epoxy coating on both internal and external surfaces
- Suitable for temperatures ranging from -196°C to 540°C depending on material
- Compatible with various media such as water, oil, gas, and corrosive substances (materials vary per application)
**Product Models:**
- H74H, H74W, H74X-10-40C/P/R

**Testing Equipment:**

**Workshop Overview:**

**Technical Details:**
| Structural Formation | 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 |
| Test & Inspection | JB/T 9092, API 598 |
**Note:** Custom sizes for flanged and butt-weld connections are available upon request.
**Major Components and Materials:**
| No. | Part Name | Material | ASTM Equivalent |
|-----|-----------|----------|-----------------|
| 1 | Body | WCB, CF8, CF8C, CF8M, CF3, CF3M | ASTM A216 WCB, ASTM A351-CF8, CF8M, CF8C, CF3, CF3M |
| 2 | Disc | WCB, CF8, CF8C, CF8M, CF3, CF3M | ASTM A216 WCB, ASTM A351-CF8, CF8M, CF8C, CF3, CF3M |
| 3 | Pivot | 1Cr13, 2Cr13, 1Cr18Ni9Ti, 0Cr18Ni12Mo2Ti | ASTM A182 Gr F6a, ASTM A182 F22, ASTM A182-F304, F316, F321, F304L, F316L |
| 4 | Spring | 4Cr13, 60Si2Mn, 1Cr18Ni9Ti, 0Cr18Ni12Mo2Ti | AISI 9260, AISI 6150, ASTM A182-F304, F316, F321, F304L, F316L |
This check valve is ideal for use in pipelines where unidirectional flow is required, offering durability, ease of installation, and long service life. Whether you're working in the chemical, oil, gas, or water treatment industry, this product is built to meet your needs.
July 31, 2025