Product Overview
Forged steel check valve is suitable for small diameter pipeline with working temperature of – 29 ~
425 °C (carbon steel) or – 29 ~ 500 °C (stainless steel). It is used to cut off or connect the medium in
the pipeline. It can be applied to water, steam, oil, nitric acid, acetic acid, oxidizing medium, urea and other media.
Structural Characteristics
- Full diameter or reduced diameter;
- Lifting check valve;
- Ball type check valve;
- Swing check valve;
- Built-in spring as required;
- Bolted and wound gasket sealed bonnet, threaded joint, all-welded sealed bonnet and threaded joint;
- Connect the internal pressure self-tightening valve cover;
- Integral upper seal seat;
- Socket end conforms to ASME B16.11;
- Threaded end (NPT) shall conform to ANSI/ASME B1.20.1;11, the disc can be changed to throttling, needle, ball
Execution Standard
Design specification :JB/T7746
Structure length :GB/T 12221
Connection flange :GB/T 9113, JB/T79HG/T20592
Test and inspection :JB/T9092GB/T 13927
Pressure-temperature :GB/T 12224
Performance Parameter
Main material: forged steel
Nominal diameter: DN15~50mm
Nominal pressure: PN16~25MPa
Applicable temperature: -29 ~ 425℃
Suitable medium: water, steam, oil, nitric acid, acetic acid, oxidizing medium, urea, etc
Product Dimensions
