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

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

Manual soft-seal flange butterfly valve D41X-10/16Q DN40/50/80 dual eccentric

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

Manual air dampers, flue duct adjustment ventilation butterfly valves, rectangular adjustable louver valves can be customized as needed

Cylinder Ventilation Butterfly Valve DN400 Flue Air Duct Flap Valve Soft-Sealing Air Valve Manufacturer

Automat AT pneumatic stainless steel and carbon steel butterfly valves, resistant to high temperature and high pressure, all-metal hard-sealed clamp valves

Electric damper DN1000 switch-type adjustable flap valve flue ventilation butterfly valve manufacturer

Intelligent adjustable electric ventilation butterfly valve, dual-purpose flashlight damper, corrosive air valve for flue ducts

Pneumatic three-way distributor valve manufacturer: Powder flap-type stainless steel directional valve

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

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

Shandong Yaokai Air Conditioning Equipment Co., Ltd.

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

Cangzhou Changtong Environmental Protection Equipment Co., Ltd.

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

Cater (Hangzhou) Valve Manufacturing Co., Ltd.

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

Cangzhou Changtong Environmental Protection Equipment Co., Ltd.

Tuojing 70-degree fire exhaust and fire damper for shopping malls, basements, garages, and factory buildings, resistant to high temperature and corrosion

Dezhou Tuojing Air Conditioning Equipment Co., Ltd.

Tuojing 70-degree fire smoke and fire damper for shopping mall underground garages and office buildings, moisture-proof and corrosion-proof

Dezhou Tuojing Air Conditioning Equipment Co., Ltd.

Explosion-proof valve, high-temperature and corrosion-resistant, explosion-proof valve for chemical plants, custom-made by the manufacturer

Dezhou Tuojing Air Conditioning Equipment Co., Ltd.

Shuocheng Ventilation 70°/280° Fire Dampers and Smoke Exhaust Valves are suitable for commercial and industrial office buildings

Shandong Shuocheng Ventilation Equipment 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

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

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