CZ100 Check Valve

NSV CZ100 Check Valve

This Swing Type check valve features a cast body made from CZ100 that delivers exceptional resistance to sulfuric acid, hydrochloric acid, chlorides, and seawater—making it ideal for highly corrosive services.

The valve operates automatically based on flow direction, ensuring smooth, low-vibration performance with minimal maintenance. Flanged end connections support large-bore industrial installations.

Key Features

Body material: CZ100 

Full-bore flow path, minimal pressure drop

Flanged end connections (RF/FF)

Size range: 2" to 40" (DN50-DN1000)

Pressure rating: 150 lb-2500 lb

Operating temperature: -20°C to 180°C

Suitable for strong acids, alkalis, seawater, and high-chloride media

Performance Advantages

CZ100 offers outstanding pitting and crevice corrosion resistance (PREN > 40), surpassing standard stainless steels; full-bore design reduces flow restriction and resists clogging; compact construction saves space; automatic operation requires no external power and provides quiet, responsive shut-off.

Typical Applications

Large-scale chemical plants, flue gas desulfurization (FGD), seawater intake/outfall systems, refineries, LNG terminals, and offshore platforms handling highly corrosive or abrasive fluids.

Quality Assurance

Hydrostatically tested per API 598 / ISO 5208. Supplied with EN 10204 3.1 Material Test Certificate (MTC 3.1) and EN 10204 2.1 Certificate of Conformity (COC 2.1). Cast body complies with ASTM A351/A351M CN3MN.

FAQ

1. 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.
2. Q:How can I get a quote?

A: If you request quote by preparing the product spec you want to request specifically through “Contact us or Feedback” of homepage, we will send reply to you ASAP. If the contents of homepage are not available, you can inquire to us via phone(86-577-67378616) or fax(86-577-67372367).

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.