WCB CF8 CF8M Vacuum Negative Pressure Safety Valve - Carbon Steel & Stainless Steel, ≤200°C Operation
Price:
USD49.9/pc - USD4289.9
MOQ:
1set
Delivery Time:
14 days
Brand:
JGPV
Product Description
WCB CF8 CF8M Vacuum Negative Pressure Safety Valve
Carbon steel and stainless steel vacuum negative pressure safety valve designed for industrial pressure control applications. This automatic valve provides critical protection for equipment and personnel by maintaining safe pressure levels in various systems.
Product Overview
The vacuum negative pressure safety valve features normally closed opening and closing components that activate automatically when system pressure exceeds specified limits. Designed for boilers, pressure vessels, and pipelines, this valve discharges media outside the system to prevent pressure from exceeding safe operating parameters.
Technical Specifications
Operating temperature: ≤ 200°C
Suitable for negative pressure systems with automatic opening and closing functionality
Component Materials
| Component | HFA72W-P Material | HFA72W-R Material |
|---|---|---|
| Body | ZG1Cr18Ni9Ti | ZG1Cr18Ni12Mo2Ti |
| Nozzle | 1Cr18Ni9Ti | ZG1Cr18Ni12Mo2Ti |
| Adjusting Ring | 1Cr18Ni9Ti | 1Cr18Ni12Mo2Ti |
| Bonnet | ZG1Cr18Ni9Ti | 1Cr18Ni9Ti |
| Disc | 1Cr18Ni9Ti | 1Cr18Ni12Mo2Ti |
| Spring | 50CrVA | 50CrVA coated PTFE |
Key Features & Installation Guidelines
- Automatic operation when negative pressure exceeds allowable values
- Designed for gas-phase section installation in containers with gas-liquid two-phase materials
- Compatible with flammable liquid release systems when connected to appropriate safety containers
- Standard venting capability with proper clearance requirements (minimum 1 meter above operator level)
- Indoor installations require venting through roof with 2-meter minimum height
- Inlet partition valves must remain in normally open position with proper sealing
All safety valves undergo pressure testing before deployment to ensure operational reliability and compliance with safety standards.
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Company
Shanghai Jianggong Valve Manufacturing Co., Ltd.
Location
No. 5089, Nanzhu Road, Zhuqiao Town, Pudong New Area, 201324, P. R. China
Contact Person
David Chen