B62 Swing Check

The NSV B62 swing check valve provides reliable one-way flow protection for seawater, fresh water, steam, and general industrial services. The body is integrally cast to ASTM B62 tin bronze specification, offering good corrosion resistance, casting integrity, and sealing reliability. The rotating disc design ensures low opening resistance and prompt closure.

Key Features

Body material: ASTM B62 tin bronze casting

Size range: DN80 (3")

Pressure rating: ANSI Class 150

Operating temperature: -20°C to +260°C (depending on service; higher for steam)

Disc type: Rotating disc with full port flow and low pressure drop

Seat sealing: Bronze-to-bronze or optional hardfaced for long-term tightness

Bonnet: Bolted type for easy inspection and maintenance

Standards: Designed and tested per MSS SP-70, API 598, and ISO 5208

Typical applications:Marine piping systems, power plant auxiliary lines, seawater cooling, fire protection, steam return lines, and general industrial processes.

FAQ

1.Q: What’s the brand of your company can supply ?

A:NSV or OEM service.

2. Q: What’s the valves warranty?
A: Our valves warranty period should be 18 months from the date of shipment or 12 months after installation, whichever occurs first.
3. Q:How can I get your company catalog?

A: For your reference, basic catalogue is same as "Download>E-Catalog” of homepage. If you need printed material or request more specific data like PQ material, please contact sales team.

4. Q:Does your company have any agent/distributor with the exception of China?

A: At present,we have agent in Indonesia,Singapore,Canada,Mexico,Iraq,and welcome contact us if you would like to join us.