Key Specifications / Features
The China Lever Safety Valve is a spring-loaded, full lift valve designed to ensure safe pressure relief in high-pressure systems. Manufactured in accordance with API 526 standards, it features a carbon steel ASTM A216 WCB body, with sizes DN50DN80 (23 inches) and a PN64 pressure rating (Class 400 LB). The valve comes with groove flanged ends for easy installation and secure sealing.
- Model No.: KV-20250222-SV-01
- Hits: 35
- Categories: Safety Valve
- Tags: Lever Safety Valve, ASTM A216 WCB Safety Valve, API 526 Safety Valve
Detail Information
Product Name: Spring-loaded Full Lift Safety Valve with Lever
Design Standard: API 526
Body Material: ASTM A216 WCB
Size: DN50 x DN80, 2*3 Inch
Pressure: PN64, Class 400 LB
End Connection: Groove Flanged
The A48Y series spring full lift safety valves are designed for equipment and pipelines handling steam, air, and other media with working temperatures below 350°C. The A44Y type safety valves are specifically used for equipment and pipelines dealing with air and petroleum gas, with working temperatures below 300°C. These valves serve as essential extra pressure protection devices to ensure the safe operation of systems.
Technical Specification
» Product Model: A48Y
» Normal Size Range: 1/2-10 Inch (DN15-DN250)
» Normal Pressure Rating: Class 150-600 LB (PN16-PN100)
» Materials: Carbon Steel, Stainless Steel, Alloy Steel, Duplex, or Other Specials
» Design and Manufacture: GB/T 12243-1989, API RP 520, 521, API 526, API 527
» Face to Face (End to End): GB/T 14087, JB/T 6441, JB/T 2203, JB/T 9624, JB/T 53170
» Flanged Connection: ASME B16.5, DIN 2543 to 2545, EN 12627
» Test and Inspection: API 598, DIN 3230, MSS SP-117
» End Connections: RF Flanged, Groove Flange
» Working Medium: Steam, Air
Main Parts and Materials
No | Name of Parts | Carbon Steel | Stainless Steel | Stainless Steel |
1 | Body | A216 WCB | A351 CF8 | A351 CF8M |
2 | Nozzle | 2Cr13 | SS 304 | SS 316 |
3 | Adjusting Ring | 2Cr13 | SS 304 | SS 316 |
4 | Disc Holder | 2Cr13 | SS 304 | SS 316 |
5 | Disc | 2Cr13 | SS 304 | SS 316 |
6 | Guide Sleeve | 2Cr13 | SS 304 | SS 316 |
7 | Bonnet | ZG230-450 | SS 304 | SS 316 |
8 | Spring | 50CrVA | 50CrVA+Coated Teflon | |
9 | Stem | 2Cr13 | SS 304 | SS 316 |
10 | Lever | ZG230-450 | SS 304 | SS 316 |
11 | Adjusting bolt | 45 | 2Cr13 | 2Cr13 |
12 | Cap | ZG230-450 | SS 304 | SS 316 |
13 | Sealing surface | Overlay STL | Overlay STL | Overlay STL |
