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Worm Gear Ball Valve

Design and manufacturing:GB/T12234
The structural length:GB/T12221
Connection forms:HG/T20592-20605 GB/T9112-9124
Inspection and test:GB/T13927
Caliber: 2″ ~ 60″
Pressure temporature levol: GB/T12224
Drive mode: Worm gear
Pressure: PN16-PN64 Class150-Class2500

Product Overview

Operating Mechanism (Drive Mode)

Worm Gear: Enhanced manual operation for larger valves

Materials

• Body Material Options:
o Carbon Steel, Stainless Steel (304, 316), Forged Steel
• Seat Materials:
o Soft Seals: PTFE, RPTFE, PEEK (for low and medium temperature applications)
o Metal-to-Metal Seals: Inconel, Stainless Steel (for high-temperature and abrasive environments)

Certifications

• Compliance: API, ISO 9001, CE, PED certifications for pressure-containing equipment.
• Optional Explosion-Proof Certification: Available for electric and pneumatic actuators used in hazardous environments.

Product Features

• Trunnion Mounted Design:

Ensures stable operation under high pressure, minimizing torque and enhancing sealing performance.

• Forged Construction:

Offers higher strength and durability for critical applications

• Multi-Way Configurations:

Available in three-way and four-way configurations for complex flow paths, ideal for process industries.

• High-Temperature and High-Pressure Capabilities:

Specifically designed for severe conditions, available in high-temperature and high-pressure models

• Compact and Sanitary Designs:

Available for cleanroom, pharmaceutical, and food industry applications

Trunnion Ball Valve Worm GearDiagram

Specification Parameters

Design and Manufacturing Standards

• Design and Manufacturing: GB/T 12237, API 6D, ASME B16.34 (Covers the design and safety of ball valves)
• Valve Type: Ball Valves (Including trunnion-mounted, floating, high-pressure, and multi-way configurations)

Structural Length
• Standard: GB/T 12221, ASME B16.10 (Defines face-to-face and end-to-end dimensions for various ball valve types)

Connection Forms

Flanged Connections: HG/T 20592-20605, GB/T 9112-9124, ASME B16.5

Inspection and Test Standards
• Standard: API 598, GB/T 13927 (Covers pressure testing, sealing, and functional performance of ball valves)

Available Sizes (Caliber)

• Range: 2″ ~ 60″ (DN50 ~ DN1500)

Pressure-Temperature Rating

• Standard: GB/T 12224, ASME B16.34
• Pressure Range:
o PN16~ PN64
o Class 150 ~ Class 2500
• Temperature Range:
o -40°C to +450°C (-40°F to +842°F), depending on body and seat

Specification Applications

Industries

o Oil & Gas
o Petrochemical Processing
o Power Generation (Steam, Thermal, Nuclear)
o Water Treatment and Distribution
o Food and Beverage (Sanitary applications)
o Pharmaceutical Manufacturing
o HVAC Systems
o Chemical Processing
o Industrial Manufacturing
• Specific Applications:
o High-pressure pipelines
o Sanitary applications requiring easy cleaning and maintenance
o Multi-flow control for mixing or diverting flows

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