Shanghai Jianggong Valve Manufacturing Co., Ltd.
                                                                                                           
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34 Years
Since 1992
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Carbon Steel Spring Load Open Type Full Bore Safety Valve DN15-DN500 1.0-32.0 MPa Pressure Relief

Price Negotiable
Price: USD49.9/pc - USD4289.9
MOQ: 1set
Delivery Time: 14 days
Brand: JGPV
Product Description
Carbon Steel Spring Load Open Type Full Bore Pressure Relief Safety Valve
Product Overview

This safety valve serves as a critical pressure reduction device designed to protect systems from overpressure conditions. It opens rapidly at predetermined pressure levels, gradually releasing excess pressure to prevent equipment damage, fire hazards, or explosions. The valve operates mechanically using system media, ensuring functionality during power outages when electronic safety devices may fail.

Technical Specifications
Parameter Specification
Nominal Diameter (DN) DN15-DN500
Nominal Pressure (PN) 1.0-32.0 MPa
Strength Test Pressure 1.5 × Nominal Pressure (Water)
Set Pressure Test 0.9 × Nominal Pressure (Air)
Working Temperature ≤300℃
Connection Method Flange Connection
Material Composition
Component Materials
Body WCB, CF8, CF8M, CF3, CF3M
Bonnet WCB, CF8, CF8M, CF3, CF3M
Disc WCB, CF8, CF8M, CF3, CF3M
Spring 50CrVA
Stem WCB, CF8, CF8M, CF3, CF3M
Key Features & Benefits
  • Multiple valve types available: Spring-loaded, pilot-operated, deadweight, and balanced types for thermal, steam, and pressure adjustment applications
  • Equipment protection: Prevents costly damage by automatically relieving excess pressure and vacuum conditions
  • Personnel safety: Protects workers from explosions and hazardous material releases due to overpressure
  • Operational efficiency: Reduces unplanned downtime and equipment failure rates
  • Wide application range: Suitable for chemical, oil & gas, petrochemical, air conditioning, energy, aircraft hydraulic, and irrigation systems
Compatible Media

Water, air, petroleum gas, and weak corrosive media

Get in Touch

Have questions about our products or want to discuss a custom order? Our team is ready to help you.

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

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