Flow Direction: Unidirectional
Standard: ANSI
Application: Industrial, Water Treatment, and Household Use
Valve Type: Check Valve
Size: 2" to 40"
Trademark: YI CHEN
Transport Packaging: Plywood Case
Specifications: CE, API, ISO
Origin: China
HS Code: 8481804090
**YI CHEN API 6D Forged Steel Swing Check Valve**
1. **Material Options for Forged Steel Check Valves:**
- ASTM A216 WCB
- A351 CF8, CF8M, CF3, CF3M, CF3MN, CN7M
- A890 4A
- A352 LCB, LCC
- SUS 904L
- Titanium
- Hastelloy Alloys
2. **Pressure Ratings and Sizes:**
- 150# – 1/2" to 36"
- 300# – 1/2" to 20"
- 600# – 1/2" to 18"
- 900#, 1500#, 2500# – 1/2" to 16"
- 3000#, 4500# – 1/2" to 2"
3. **Design Standards:**
- API 594 / ISO 14313 / BS 1868 / ASME B16.34
- Face to Face / End to End – ASME B16.10 / ISO 5752 / BS 2080 / DIN 3202 / EN 558
- Flanged Ends – ASME B16.5 / ASME B16.47 / API 605 / BS 3293
- Butt-Weld Ends – ASME B16.25
- Testing – API 598
4. **Applications:**
- Chemical, Petrochemical, Oil & Gas, Power Plants, and General Industrial Use
5. **Key Features:**
- Bolted Bonnet Design
- Swing Type with Anti-Rotation Disc
- Replaceable Seat Rings
- Non-Penetrating Disc Shaft
- Suitable for Horizontal or Vertical Installation
6. **Temperature Range:**
- -45°C to +650°C or higher
7. **Certifications:**
- API 6D, API 6FA, CE, ISO 9001
8. **Main Material Selection Table:**
Parts | Material |
Body & Bonnet | WCB, WC6, LCB, LCC, CF8, CF8M, Ti, 904L, Hastelloy C |
Disc | WCB, WC6, LCB, LCC, CF8, CF8M, Ti, 904L, Hastelloy C |
Hinge | WCB, WC6, LCB, LCC, CF8, CF8M, Ti, 904L, Hastelloy C |
Seat | A105, F304, F316, PTFE, RTPFE, VITON, NYLON, NBR |
Dsa Flange,Dsa Flange For Wellhead,Dsa Adapter Flange,Dsa Wellhead
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