• Pneumatic Butterfly Valve,MY SHOP,Pneumatic Butterfly Valve
  • Pneumatic Butterfly Valve,MY SHOP,Pneumatic Butterfly Valve

Pneumatic Butterfly Valve

Pneumatic butterfly valves are driven by air supply for rapid on-off and flow regulation, widely used in automatic pipelines of chemical, water treatment, power plant and HVAC industries. They feature fast response, large output torque and explosion-proof safety. Equipped with positioners, they realize precise flow control and fit all working conditions requiring remote automatic management.
  • Pneumatic Butterfly Valve,MY SHOP,Pneumatic Butterfly Valve
  • Pneumatic Butterfly Valve,MY SHOP,Pneumatic Butterfly Valve
  • Description

  • About DIEFEI

Product Features:

Wide selection of materials, applicable for various medium.

Small in size and light in weight, easy installation and maintenance.It can be mounted wherever needed.

Simple and compact construction,

Flow block is small.Excellent regulation performance.

Minimized operating torque, energy saving.

Product Details:

Size: DN25-DN1200

Material:

Body: Cast Iron/Ductile Iron/Cast Steel/Stainless Steel

Disc: DI+Ni/SS304/SS316/SS316L/Duplex stainless steel/AL-Bronze

Stem: SS416/SS304/SS431/17-4PH/Monel K500

Seat: EPDM/NBR/VITON/PTFE/Hypalon

Operation: Pneumatic 

Standard:

Design Standard: EN 593, MSS SP67, API 609, BS5155

Inspection & Test: API 598, ISO 5208, EN 12266

Flange Diling: ISO 7005,BS EN1092, JIS B2220, ASME Class 125/Class150,AS2129 Table D/E,GB/T 9113

Face to Face: API609, EN558-20 Series, ISO5752, DIN3202 K1"

Top Flange: ISO 5211 

Working Pressure: PN10,PN16,Class125,10K,16K

 

ABOUT US

Hebei Diefei Valve Co., Ltd., which was established in 1986,is a specialized factory gathering the medium and lower pressure valve developing, manufacturing and selling together. We established Crane Ningjin Valve Co., Ltd with Crane Valve USA in 1995.
Our main products are Butterfly valve, Check Valve, Gate Valve, Ball Valve, Valve Actuator and so on. These valves are available extensive to the pipelines of oil, metallurgy, chemical industry, medical, light textile, paper-making, water and electricity ,tap water company ,central air conditioning system etc.
We own perfect manufacturing process and testing  way of casting, matching and assembling. We are authorized the Quality Management system certificate of  ISO9001:2015, Environmental Management system certificate of ISO14001:2004,CE Certificate and the Approval of Manufacturer Certificate of DNV. Our company products are mainly sold to many large-scale agglomerations like CNPC, Sinoepc, CSPC, DAIKIN , Haier, Midea and etc. And exported to USA, Europe, Africa, Southeast Asia, Taiwan etc countries and area.
We are willing to serve our customers at home and abroad with our excellent products and services.


CERTIFICATE OF NSF61/372

 

PACKAING AND TRANSPORTATION

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Guided by our core principle of "Quality First, Customer Supreme," Diefei Valve remains committed to technological innovation and continuous product evolution. In line with global carbon neutrality and eco-friendly energy goals, we actively develop green, high-efficiency, and low-energy fluid control systems. We welcome global OEMs, distributors, and project contractors to partner with us for custom OEM/ODM engineering, competitive factory-direct pricing, and uncompromised quality assurance.
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