280-degree 70-degree fire dampers, fire smoke exhaust ventilation system, automatic smoke exhaust, Tuojing

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

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

GEROYAL Jingyou American-style lug electric butterfly valve, American standard valve, supports customization, comes with complete specifications

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

Manual air damper DN219 rectangular circular flue stainless steel carbon steel damper valve manufacturer

Customizable soft-seal ventilation butterfly valves for flue ducts and low-leakage stainless steel dampers manufacturer

Electric dust and gas butterfly valve, stainless steel and carbon steel material, ventilated manual turbine box air vent, one-year warranty

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

Flue baffle doors, pneumatic actuator adjustable dampers, rectangular circular ventilation butterfly valves

Electric manual 1600*800 multi-shaft turbine box drive square air damper, rectangular adjustable louver valve, carbon steel material

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.

GGG40 Double-Clip Tab Butterfly Valve, Bathroom Check Valve, DN350 Ball Iron Double Eccentric Soft Seal

Chengxin Valve Co., Ltd.

D71F-10Q Handle Counter-Clamp Butterfly Valve Complete Specifications, Years of Experience, Customizable

Tianjin Liangfa Technology Co., Ltd.

D341X-10/16Q Soft-seal worm gear flange butterfly valve manufacturer made of ductile iron material, ethylene-propylene diene diem rubber

Tianjin Liangfa Technology Co., Ltd.

D371X-10/16Q Soft-seal worm gear clam-on butterfly valve manufacturer, made of ductile iron material

Tianjin Liangfa Technology Co., Ltd.

D371X-16C cast steel spherical ink plate clamp butterfly valve, stainless steel anti-corrosion worm gear soft-seal valve manufacturer

Tianjin Liangfa Technology Co., Ltd.

D41X-16Q handle flange butterfly valve ductile cast iron manufacturer soft-sealing material valve seat centerline valve can be customized

Tianjin Liangfa Technology Co., Ltd.

D71JP-10/16Q ductile iron handle clamp butterfly valve EPDM sealed 304/316L valve plate

Tianjin Liangfa Technology 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

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

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

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