DN500 ventilation butterfly valve for flue ducts uses stainless steel electrically adjustable air dampers

Yaokai supplies electric air volume control valves, galvanized air valves, remotely controlled normally open, normally closed, stainless steel 3C fire dampers

Rubber-lined butterfly valve 304 stainless steel National standard Manual clamp bidirectional soft seal Fully rubber-lined centerline type

Automat Electric Soft-seal Clamp Butterfly Valve D971X-16Q/C/P Resistant to High Temperature and High Pressure for Precise Control

FRP air valve, electric multi-leaf ventilation butterfly valve, check valve, acid and alkali resistant, high temperature resistant - Zhuangxin Environmental Protection

Manual air valve, dust removal duct air control door, carbon steel material, ventilation butterfly valve, adjustable baffle door

Pneumatic ventilation butterfly valve manufacturer, flue gas pipeline flange air valve can be customized

Louver butterfly valve, flue duct multi-axis DN800 electric damper, material customizable

70-degree and 280-degree fire dampers, smoke exhaust valves for underground mall garages and office buildings, high temperature and corrosion resistant, Tuojing

Ventilation Device: Stainless steel butterfly valve regulates the flow of pressure, liquid, and gas

D673W-16P National Standard Imported High-Temperature Steam 304 Stainless Steel Material, Clamp-Type Hard-Sealing Pneumatic Butterfly Valve

Ventilation Device: Stainless steel butterfly valve regulates the flow of pressure, liquid, and gas

Shanghai Hugong Valve Factory (Group) Co., Ltd.

D673W-16P National Standard Imported High-Temperature Steam 304 Stainless Steel Material, Clamp-Type Hard-Sealing Pneumatic Butterfly Valve

Shanghai Hugong Valve Factory (Group) Co., Ltd.

High-temperature flange butterfly valve WCB carbon steel stainless steel national standard flange connection triple eccentric hard seal structure

Cater (Hangzhou) Valve Manufacturing Co., Ltd.

Manual electric pneumatic air control butterfly valve, carbon steel stainless steel air volume control valve, complete specifications, customizable as needed

Hebei Tianzhou Environmental Protection Machinery Co., Ltd.

D371X-16P Turbine Couple Clamp Butterfly Valve Stainless Steel DN100 Clamp-Type Soft-Sealing Handle Butterfly Valve

Wenzhou Guoying Valve Co., Ltd.

Carbon steel butterfly valve D343H-16C DN125 WCB material, metal hard seal, flange connection, customizable

Wenzhou Guoying Valve Co., Ltd.

Youcheng produces and sells electric ventilation butterfly valves, DN round-mouth duct ventilation valves, compact structure, strong merchants can customize them

Botou Youcheng Mining Machinery Co., Ltd.

Ventilation valves, variable air volume butterfly valves, clamp connection pneumatic valve welding, customizable

Shanghai Hugong Valve Factory (Group) Co., Ltd.

Butt clamp liners for fluorine disc valves, acid-resistant and corrosion-resistant manual worm gear liners, PTFE butterfly valves D371F46-16C DN300 DN250

High-level valves, fluorine-lined butterfly valves, D341F46-16C steel-lined PTFE butterfly valves, corrosion-resistant flange soft seals

Carbon steel butterfly valve D343H-16C DN125 WCB material, metal hard seal, flange connection, customizable

Manufacturer wholesale sanitary grade food-grade manual stainless steel quick-install butterfly valve, 304/316 valves, customizable

Aluminum alloy pinless worm gear clamp butterfly valve D371X valve Hande Precision Valve integrated valve seat

D373H/W Flange Couple-Clamp Metal Hard-Sealing Butterfly Valve Three-Eccentric Turbine Steam Stainless Steel DN50

Fluorine-lined butterfly valve D371F46-16C cast steel PTFE-lined corrosion-resistant, acid and alkali resistant, source factory DN40-1000

Chemical valve D341F46-16C resistant to strong acids, strong alkalis, high temperatures, PTFE flange lined with fluorobutterfly valve DN900