ZGVZHONGGONG VALVE GROUP
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Valve type 03 / 7

Gate valve manufacturer

ZGV is an industrial valve manufacturer for B2B project enquiries. Gate valve selection: compare bolted-bonnet and pressure-seal designs, forged-steel connections, bellows sealing and knife-gate catalogue entries.

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Gate Valves

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Selection guide

Gate valve manufacturer

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

ZGV is an industrial valve manufacturer for B2B project enquiries. Gate valve selection: compare bolted-bonnet and pressure-seal designs, forged-steel connections, bellows sealing and knife-gate catalogue entries.

Selection and installation

Start with the gate and stem arrangement, then compare the stated pressure designation and end connection. The catalogue distinguishes flexible-wedge, parallel-slide, knife-gate, pressure-seal and bellows-sealed entries. Use the individual drawing for face-to-face dimensions and actuator clearance. A Class or PN designation is not a complete pressure-temperature rating; confirm materials, operating duty and inspection requirements for the selected reference.

Compare catalogue entries

ProductSelection check
Bolted-bonnet OS&Y flexible-wedge gate valve Class 150 ↗2524Compare the gate construction, stem arrangement, end connection and the catalogue designation. Send the operating conditions and required materials before confirming a gate-valve configuration.
Pressure seal gate valve Class 900/1500/2500 ↗2528Use the separate Class 900, 1500 and 2500 dimension tables. A pressure-seal cover is a construction detail, not a complete pressure-temperature or service approval.
Forged-steel flanged gate valve · Class 150/300/600 ↗2529Compare the gate construction, stem arrangement, end connection and the catalogue designation. Send the operating conditions and required materials before confirming a gate-valve configuration.
Forged steel threaded or welded gate valve Class 800 ↗2530Specify threaded or welded ends and check the matching Class 800 connection dimensions. Confirm thread form or weld preparation in the enquiry.
Bellows-sealed gate valve Class 800 ↗2533Compare the gate construction, stem arrangement, end connection and the catalogue designation. Send the operating conditions and required materials before confirming a gate-valve configuration.
Knife gate valve Class 150 ↗2539Compare the gate construction, stem arrangement, end connection and the catalogue designation. Send the operating conditions and required materials before confirming a gate-valve configuration.

Questions before requesting a quote

Which construction should I compare?

Start with the gate and stem arrangement, then compare the stated pressure designation and end connection. The catalogue distinguishes flexible-wedge, parallel-slide, knife-gate, pressure-seal and bellows-sealed entries. Use the individual drawing for face-to-face dimensions and actuator clearance. A Class or PN designation is not a complete pressure-temperature rating; confirm materials, operating duty and inspection requirements for the selected reference.

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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