A48Y
Gas
API 6D
CCC, ISO
Ordinary Temperature
Open
Spring
Stainless Steel
Safety Valve
API 520, ISO 4126
ASME B16.34
API 526, En558 or DIN 3202
NPT, RF, Rtj
API 527, DIN 3230 or ISO 5208
Dnv CE 0575
ISO 9001: 2008
VATAC or OEM
Sea Worthy
API, ISO, BS, JIS, DIN, EN
China
84818010
Product Description

Full or Low Lift Spring Loaded Safety Relief Valve with Open or Close Bonnet Conform to API 520, ISO 4126
They are tested according to API 527, and marked as per MSS SP-25
1. Construction is as follows
- Full Lift or Low Lift | ||
- For Steam | ||
- Adjusting Set Pressure | ||
- Closed Bonnet or Open Bonnet | ||
- With or Without Lever | ||
- Screwed Ends to ASME B1.20.1 | ||
- Flanged Ends to ASME B16.5 |
2. Main Part & Materials
Part Names | Part Materials | ||||||
Body | WCB | LCB | WC6 | CF8 | CF8M | CF3 | CF3M |
Bonnet | WCB | LCB | WC6 | CF8 | CF8M | CF3 | CF3M |
Trim | 13%Cr/SS304 | SS304 | SS316 | SS304L | SS316L | ||
Bolts/Nuts | B7/2H | L7/4 | B16/4 | B8/8 | B8M/8M | B8/8 | B8M/8M |
Suitable Medium | Steam | ||||||
Suitable Temperature | -29~425 °C | -46~340 °C | -46~340 °C | -196~427 °C | -196~427 °C | -196~427 °C | -196~427 °C |
3. Normal Pressure Rating
PN10~PN420, CLASS150~2500
4. Normal Size Range
DN15~DN600, 1/2"~24"
5. Pictures
Final Inspection

Shipment
