Model NO.
Low pressure spring loaded safety relief valve
Pressure Standard
150lb ~ 300lb (Pn16 ~ Pn20)
| Ref.No |
Part Name |
Sign of Materials |
| C | cs | C6 | C9 | CM | cc | CB | L |
| 1 | Body | WCB | WCB | WC6 | WC9 | WCB | WCB | WCB | LCB |
| 2 | Nozzle | 304 | 316 | 316 | 316 | Monel | H. C | H. B | 304 |
| 3 | Nozzle Ring | CF8M | CF8M | CF8M | CF8M | CF8M | CF8M | CF8M | CF8M |
| 5 | Disc | 304 | 316 | 316 | 316 | Monel | H. C | H. B | 304 |
| 9 | Spring | Alloy St. | Alloy St. | Alloy St. | Alloy St. | St. St. | St. St. | St. St. | Alloy St. |
| 11 | Bonnet | WCB | WCB | WCB | WCB | WCB | WCB | WCB | WCB |
| Code | 1 | 2 | 3 | 4 | 5 | 6 | 7 |
| Class (Lb/MPa) | 150/2.0 | 300/5.0 (Low) | 300/5.0 | 600/11 | 900/16 | 1500/26 | 2500/42 |
We provide safe and reliable API, JIS, DIN Standard ball valves, gate valves, globe valves, check valves, and fitting flanges for pipeline fluids. All products meet high industrial standards including API6D, CE, and ISO certification.
Materials available include WCB, CF8, CF8M, CF3, CF3M, Duplex, Brass, and Cast Iron.
Pressure ranges from 150LB to 2,500LB (PN16 - PN160, 10K, 20K).
Available in Calibers from 1/2″ to 40" with connection methods including RF, RTJ, FF, and BW.
Frequently Asked Questions
What is the operating temperature range for this safety relief valve?
The valve is designed to operate in extreme conditions, with a temperature range from -196℃ to 300℃.
What connection standards are supported?
We support multiple standards including API, JIS, and DIN. Connection types include Flange (RF, RTJ, FF) and BW.
Can the pressure be adjusted on the spring-loaded valve?
Yes, the pressure on our spring-loaded safety relief valves is fully adjustable to meet specific pipeline requirements.
What materials are available for the valve body and nozzle?
Main materials include Cast Iron, WCB, CF8, CF8M, CF3, CF3M, and specialized alloys like Monel or Alloy Steel for springs.
What certifications do your valves hold?
Our products are manufactured according to high-quality standards and hold API6D, CE, and ISO certificates.
What is the production capacity for these valves?
Our facilities have a production capacity of approximately 270,000 valves per year, ensuring steady supply for large-scale projects.
Maria Valve
