ZGVZHONGGONG VALVE GROUP
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Valve type 02 / 7

Butterfly valve manufacturer

ZGV is an industrial valve manufacturer for B2B project enquiries. Compare concentric rubber seated, double eccentric PTFE seated and triple eccentric metal seated butterfly valves. A rotating disc controls the passage; choose the disc and seat construction together with the wafer or flanged connection.

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Butterfly Valves

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Selection guide

Butterfly valve manufacturer

Prepared by Zhejiang Zhonggong Valve Group Co., Ltd. · Updated

ZGV is an industrial valve manufacturer for B2B project enquiries. Compare concentric rubber seated, double eccentric PTFE seated and triple eccentric metal seated butterfly valves. A rotating disc controls the passage; choose the disc and seat construction together with the wafer or flanged connection.

Selection and installation

2564 is a Class 150 wafer entry; 2565 uses flanged ends. 2566 is double eccentric with a PTFE seat. 2567 and 2568 are triple eccentric metal seated entries for Class 150 and 300 respectively. Check flow direction, flange clearance, seat compatibility and torque; metal seating alone does not prove fire certification or zero leakage.

Compare catalogue entries

ProductSelection check
Concentric rubber seated wafer butterfly valve Class 150 ↗2564This concentric wafer butterfly valve uses a WCB body and NBR seat in the catalogue example. Compare it with the flanged, PTFE-seated and metal-seated models before specifying the connection and seal. Include NPS, medium, operating conditions and actuation requirements; actuator sizing needs confirmation.
Concentric rubber seated flanged butterfly valve Class 150 ↗2565This Class 150 concentric model uses flanged ends, with a WCB body and NBR seat in the catalogue example. Match the flanged face-to-face length and the required size before comparing installation dimensions. Provide the medium, operating conditions, actuation requirements and quantity for confirmation.
Double eccentric PTFE seated butterfly valve Class 150 ↗2566This Class 150 double-eccentric design has a PTFE seat and a WCB body in the catalogue example. The dimension table distinguishes wafer and flanged connection references and the separate weight columns. Specify the connection, NPS, actuation, operating conditions and quantity; confirm the selected configuration before ordering.
Triple eccentric metal seated butterfly valve Class 150 ↗2567Use the Class 150 triple-eccentric tables for this metal-seated model. The catalogue example combines a WCB body, 304 stainless-steel sealing surface and 304 stainless-steel/graphite seal ring. Select the wafer or flanged connection reference and provide NPS, actuation, operating conditions and quantity.
Triple eccentric metal seated butterfly valve Class 300 ↗2568Use this model’s Class 300 dimensions rather than the Class 150 companion table. The catalogue example uses a WCB body, 304 stainless-steel sealing surface and 304 stainless-steel/graphite seal ring. State the wafer or flanged connection, NPS, actuation, operating conditions and quantity for confirmation.
desulfurization dedicated clamp type rubber lined butterfly valve · for desulfurization · PN 10 ↗2472Identify the disc offset, seat material and wafer, lug or flanged connection required for your project. Include the flange standard, installation space and actuation requirements in the enquiry.

Questions before requesting a quote

Which construction should I compare?

2564 is a Class 150 wafer entry; 2565 uses flanged ends. 2566 is double eccentric with a PTFE seat. 2567 and 2568 are triple eccentric metal seated entries for Class 150 and 300 respectively. Check flow direction, flange clearance, seat compatibility and torque; metal seating alone does not prove fire certification or zero leakage.

What information is needed for a quotation?

ZGV is an industrial valve manufacturer for B2B project enquiries. Send the product ID, quantity, fluid, size, operating and design pressure and temperature, body and seat materials, connection and actuation. Include project standards and inspection documents for confirmation.

Request the relevant drawing and configuration for the selected model. Catalogue references do not establish current certification or suitability for every application.

Project enquiries

Product confirmation
and quotation.

Send the medium, temperature, pressure, nominal size, materials, connection, actuation, required standards and quantity. Our sales team will respond with product confirmation and quotation support.

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