Wedge Gate Valves

Hanno Valve Wedge Gate Valves are engineered for optimal performance in demanding industrial environments. Their compact and robust structure ensures minimal flow resistance while maintaining high valve rigidity. The durable sealing surfaces, made from stainless steel and hard alloy, combined with flexible graphite packing, guarantee long service life and reliable sealing. Multiple drive methods—manual, electric, pneumatic, and gear-operated—allow flexible installation according to operational requirements. Available in elastic wedge single, rigid wedge single, and double gate types, these valves efficiently manage opening and closing of media, making them ideal for pipelines in oil, chemical, and thermal power plants. 

Hanno Valve ‌Wedge Gate Valves Usage and Characteristics

1. Compact structure, reasonable design, good valve rigidity, smooth channel, and low flow resistance coefficient.

2.   The sealing surface is made of stainless steel and hard alloy, with a long service life.

3. Flexible graphite packing is used for reliable sealing and easy and flexible operation.

4. The driving mode includes manual, electric, pneumatic, gear transmission, and structural types; Elastic wedge type single valve, rigid wedge type single gate, and double gate type 5 are widely used as opening and closing devices for connecting or cutting off media in oil, water, and steam pipelines in petroleum, chemical, and thermal power plants.‌‌‌‌‌

Materials

In-House Foundry & Quality Control

Why Choose Our Wedge Gate Valves? Total Control from Melt to Delivery.

Unlike ordinary assembly-only valve suppliers, Zhejiang Hengnuo Valve has its own foundry utilizing advanced pre-coated sand technology.

Source Guarantee: Self-casting ensures defect-free bodies (ASTM A351-CF8, etc.) with high density and no porosity.

Precision Control: Pre-coated sand technology delivers higher dimensional accuracy, ensuring perfect disc-to-seat mating.

Fast Response: No waiting for external castings. Lead times for standard materials can be reduced by 20%.

Certifications & Compliance

Globally Recognized Quality

Our wedge gate valves are widely used in oil, chemical, and thermal power plants under demanding conditions.

Material Traceability: EN 10204 3.1 material certificates available.

Design Standards: Compliant with API 600 & BS 1414.

100% Hydrostatic Tested: Every valve is factory-tested to guarantee zero leakage.

Shipping & After-Sales Service

Hassle-Free Delivery, Worldwide

Professional Export Packaging: Plywood crates / fumigated pallets with anti-rust film inside, suitable for long ocean freight.

Complete Documentation: Each valve comes with bilingual (English/Chinese) inspection reports and O&M manuals.

After-Sales Commitment: Warranty coverage includes remote video support for sealing or operation issues. Spare repair kits (packing, gaskets) can be identified and shipped within 48 hours.

Exhibitions & Global Presence

Meet Us Face to Face

Hanno Valve at NEFTEGAZ 2025

Event: 24th International Exhibition for Equipment and Technologies for Oil and Gas Industries

Date: April 14–17, 2025

Venue: Expocentre Fairgrounds, Moscow, Russia

Booth No.: 25A20, Hall 2.5

Welcome to visit our booth to discuss your valve requirements in person.