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Worm Gear Water Butterfly Valve

Material of Construction (Standard for HVAC water system)

⋅ Valve body: Ductile Iron. Epoxy powder coated.

⋅ Seal: EPDM.

⋅ Disc: (1) ductile iron nickle plated. (2) ductile iron nylon coated. (3) Stainless steel CF8.

⋅ Worm gear: Ductile Iron. Epoxy powder coated.

⋅ Worm gear casing: cast aluminum, Epoxy powder coated.

Recommended for sizes above DN150.

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Description

For application in HVAC systems, butterfly valves are recommended as shut off valve in closed water circulating piping system,  e.g chillers, pumps, AHUs, cooling towers, etc. Worm gear type is recommended for above DN150 (6″).  

 

Features

♦ Easy installation and operation

♦ High strength, low pressure drop  

♦ Tight shut-off design

♦ Excellent corrosion resistance

♦ Wafer connection for wide adaptability with various flange standards

 

Specification

♦ Structure: 

 

♦ Pressure rating: 10, 16, 25 bar

♦ Testing pressure: 130% of pressure rating 

♦ Working temperature: -20℃ to 110℃

♦ Suitable fluid: water, oil and gas

 

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