Pneumatic Concentric Butterfly Valve

NSV Pneumatic Concentric Butterfly Valve

The NSV pneumatic concentric butterfly valve features a concentric disc design with pneumatic actuation for automatic ON/OFF control. It offers wafer, lug, or flanged end connections and ensuring bi-directional zero leakage with an elastomeric soft seat.

Key Features

Body material: Ductile iron, cast steel, or stainless steel (optional)

Nominal size: DN5–DN1500 (2"–60")

Pressure rating: ANSI Class 125 / 150 or PN10 / PN16

Operating temperature: -29°C to +150°C (depending on seal material)

Valve type: Concentric design with wafer, lug, or flanged end connection

Sealing: EPDM, NBR, or VITON elastomeric seat, bi-directional zero leakage

Actuation: Pneumatic actuator for ON/OFF control

Signal option: Optional open/close position feedback (limit switches)

Standards: API 609, ASME B16.34, EN 593, ISO 5208

Typical Applications

HVAC systems, municipal water supply and drainage, wastewater treatment plants, food processing lines, pharmaceutical equipment, light industrial automation.

FAQ

1. 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.

2. 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.

3.Q: Do u provide sample,is it free or extra ?

A: Yes, we could offer the sample, due to its value,we can supply free sample that small value and you afford the freight,but also welcome visit our factory to inspect quality.

4.Q:How can I visit your company?

A: We always welcome you to factory. However, your visit intention shall be pure. You can visit factory conveniently by noticing your visit to the department in charge depending on your visit purpose in advance. For the way to factory, please refer to map“About Us” of homepage.