Powder silo butterfly valve is mainly used in powder industry, lithium battery industry, cement industry, etc. Wear-resistant, long life, reliable […]

Hydraulic butterfly valve for marine and shipyards The Hydraulic butterfly valve is the series of the valves used for the […]

Aluminum bronze high-performance butterfly valve, double eccentric structure, two-way sealing and zero leakage. The valve body is made of C95800 […]

  Remote-controlled pneumatic aluminum bronze butterfly valve for drilling platform Technical parameters of pneumatic aluminum bronze butterfly valve aluminum bronze […]

  Sanitary valves standard technical parameters Sanitary valves Valve body Nominal diameter: Φ20－Φ102 Body material: 304, 316, 316L Connection method: […]

Explosion-proof electric butterfly valve Valve body Nominal diameter: DN40-DN1000 Body material: WCB, ductile iron, 304, 316 Connection method: wafer type, […]

The operating torque of the triple eccentric butterfly valve is calculated based on normal temperature and cleaning medium. For high […]

Damper Butterfly Valve Damper butterfly valve is used in the dusty cold air or hot air gas pipeline of ventilation, […]

Pneumatic powder butterfly valve Product overview Pneumatic powder butterfly valve was for powder/ particle materials of industrial products, butterfly plate […]

plastic butterfly valve PVC plastic butterfly valve according to different medium has a variety of optional material, corrosion resistance is […]

Technical about the butterfly valves Butterfly valve actuation type: There are multiple ways to operate, or actuate, a butterfly valve […]

Double eccentric soft seated Flanged Butterfly Valve Technical details: 1. Pressure range：PN6…PN40 2. Nominal dimensions DN100…3000 3. Field of application: […]

high performance butterfly valves Shanghai Pov Valve Co., Ltd. is a professional manufacturer of soft seat, metal seat and fire-safe […]

PTFE lined butterfly valve 1. Product overview PTFE lined butterfly valve is the valves with the seat and the valve […]

Sanitary butterfly valve Product overview Sanitary butterfly valve through precise inspection process and strict quality management, valve inside and outside […]

Flanged Triple Offset Butterfly Valves General information: POV VALVES’s  Flanged triple offset butterfly valve provides zero leakage through no-rubbing 90-degree […]

LINED BUTTERFLY VALVES GENERAL INFORMATION Lined wafer butterfly valve is split body designed for a wide variety of liners such […]

Hand paump specifications for the hydraulic butterfly valves General Hydraulic manual pump is a device to start or stop hydraulic […]

Damper butterfly valves Damper butterfly valves are a important part of any air circulation system. Superior to simple fan control […]

HIGH PERFORMANCE BUTTERFLY VALVES Shanghai Pov Valve Co., Ltd. is a professional manufacturer of soft seat, metal seat and fire-safe […]

Manual of butterfly valves This operating manual is designed to help users to make the correct installation and maintenance of […]

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Manual mechanism for the pneumatic butterfly valves Overview The manual mechanism (gearbox) can be used in conjunction with the pneumatic […]

Inflatable butterfly valve Basic information: Body: ASTM A536 65-45-12, WCB, CF8M Disc: ASTM A536 65-45-12 Nylon coated, CF8, CF8M, 2507, […]

Introduction of seats for the butterfly valves Normally for the technology process of the valve seat for soft seated type […]

INSPECTION AND TEST PLAN FOR THE PNEUMATIC BUTTERFLY VALVES 1. Valves test: 1.1 Material test: 1) The material will be […]

The action of pneumatic actuator control valve is unstable: 1. Unstable air source pressure. 1) Compressor capacity is too small; […]

Pneumatic control valve does not operate: 1. No signal, no air source. 1) The air source is not open; 2) […]

Electric actuators are mainly use in power plants or nuclear power plants. Because a smooth, stable and slow process is […]

Pneumatic actuators are a kind of classification in actuators. From the perspective of technical performance, the advantages of pneumatic actuators […]

1. Fix the pneumatic actuator on the test table and connect the air source, control air source and displacement detection […]

Pneumatic actuators also known as pneumatic head pneumatic head, is driven by air pressure to open and close or adjust […]

The use of AT pneumatic actuators sometimes shows a slow reaction, which undoubtedly greatly affects the working efficiency of AT […]

Pneumatic actuators are driven by air pressure to open and close or adjust the valve actuators, commonly known as pneumatic […]

Valve positioner is the main accessory of pneumatic actuator control valve. It takes stem displacement signal as input feedback measurement […]

Actuators have pneumatic and electric two forms, usually we understand more about pneumatic actuators. But pneumatic actuators from the technical […]

Pneumatic valves in regulating valve are characteristic of the valve. Because of the pneumatic valve is connect to the pneumatic […]

The more and more widely used pneumatic valve is a good proof of this point, with the widespread use of […]

Pneumatic actuators as an important equipment, in many industries have a good use. It can use for all kinds of […]

As the speed of AT pneumatic actuators increases, the impact of actuators and valves in the off or open position […]

Advantages: 1. Pneumatic device is simple in structure, light in weight, simple in installation and maintenance. The medium is air, […]

1. Pressure loss. Because liquids are viscous and have friction when flowing in pipelines, they must lose some energy in […]

The hydraulic control slow closing ball valve features small flow resistance coefficient, high degree of automation, complete functions, stable and […]

1. Shell. The shell is made of hard aluminum alloy, anodized and polyester powder coated, with strong corrosion resistance, protection […]

(1) Generally, strength test is not require for valves, but strength test shall conduct for valve body and bonnet after […]

  1. Equipment environmental requirements. This PL series valve electric actuators can be used indoors or outdoors. This PL series […]

1. Manually turn the valve to check that there is no abnormal situation and make the valve in the full […]

Electric actuators are mainly used in the following three fields. 1. Power plant. Typical applications are: ① Application in thermal […]

1. Stroke of electric actuator. This parameter is also an important parameter. For the angle stroke electric actuator, the stroke […]

According to the movement mode of the controlled object, the electric actuator can divide into the following structural types: straight […]

Corrosion is one of the important elements that cause valve damage. Therefore, in valve protection, valve anti-corrosion is an important […]

Valve drive mode： According to the movement mode of the driving mechanism, the valve driving device is divided into two […]

For valves, not only installation and regular maintenance, but also operation. Generally, the opening and closing of the valve shall […]

During the use of the valve, attention should be paid to the maintenance. Good maintenance can ensure the reliable operation […]

Overload may occur if: 1. The power supply voltage is low, and the required torque is not obtain. So that […]

  In general, the correct choice of electric actuator is based on the following: 1. Operating torque. Operating torque is […]

At present, the international each country for the use of the valve standards are not the same. Because of the […]

  Electric butterfly valve definition: Electric butterfly valve is one of the most commonly used valves in industrial pipelines. Butterfly […]

  Flange retractable butterfly valve , not only for the valve disassembly and assembly to bring convenience. And can relieve […]

Ventilation butterfly valve is a kind of non closed butterfly valve. The ventilation butterfly valve is use in the dust […]

  PVC butterfly valve is plastic butterfly valve. Plastic butterfly valve has strong corrosion resistance, wide application range, wear resistance, […]

1. Before the installation of electric butterfly valve, confirm whether the product performance and medium flow direction arrow of the […]

Electric butterfly valve is the main control butterfly valve in the production process automation system. It is an important implementation […]

  1. ISO 9001 quality system certification. The role of the certification is to establish a quality assurance system from […]

  High performance butterfly valve is a kind of butterfly valve with Telfon lining in the inner cavity of the […]

1. API specifications. As is well known, API609 has become a de facto international specification for valves used in important […]

  In order to meet the requirements of various working conditions, butterfly valves have experienced the evolution from concentric to […]

DN In pipe diameter OD of seal surface PN16 flange OD PCD BOLTS&Length Thinkness 40 1.5 45 85 150 110 […]

The size diagram of pneumatic butterfly valves is as follows, for reference only: DN In Pipe diameter Outside diameter of […]

Installation requirements: 1. Confirm the flange welding is correct. Do not weld the flange after the butterfly valve is install […]

Installation precautions: 1, Before installation should keep dry, not stored in the open air. 2, Before the installation of butterfly […]

How to choose pneumatic actuators? Usually adopts the new series of AT pneumatic actuators that have double acting and single […]

Installation precautions as below: 1. Before installation, check that all parts of the pneumatic butterfly valve are free of missing […]

The working principle: Pneumatic butterfly valve is a kind of pneumatic valve which uses the circular butterfly plate rotating with […]

Key points of product selection. 1. The main control parameters of butterfly valve are specification and size. 2, Butterfly valve […]

Butterfly valve national standard refers to the standard approved and issued by the national standardization authority and unified nationwide. The […]

1. According to the driving mode: (1) Electric butterfly valve. (2) Pneumatic butterfly valve. (3) Hydraulic butterfly valve. (4) Manual […]

  1. Butterfly valve has the characteristics of simple structure, small volume, light weight, low material consumption, small installation size, […]

Wafer concentric butterfly valve features a cartridge type seat, streamlined disc and strong stem-to-disc connection for easy use in many […]

Design：JIS B2032、JIS B2064 Flange：JIS 5K/10K Face to face: JIS 10K butterfly valve jis 10k Flange SIZE A B C D […]

Butterfly valve jis standard 5k Design：JIS B2032、JIS B2064 Flange：JIS 5K Face to face: JIS 5K SIZE A B C D […]

The comparison for the LUG AND WAFER BUTTERFLY VALVES   Butterfly valves have been using widely on the industry areas […]

DIN flange and bolt DN In PN10 PN16 OD PCD Bolt and length thickness OD PCD Bolt and length thickness […]

The butterfly valve can be used as switch control and regulation control. Its flow characteristics are fast opening type, equal […]

Product Description Model NO.: POE Connection Form: wafer Seal Form: Force Sealed Work Pressure: Pressure (Pn<1.6mpa) Material of Seal Surface: […]

Material Temperature Use Description NBR -23℃ ~ 82℃ Shot time-23℃ ~120℃ Buna-NBR:(Nitrile Butadiene Rubber ) has good tensile strength and […]

Material Working condition Main medium Type Standard PN / MPa t / ℃ Grey iron HT200 ≤1.6 ≤200 Water, steam, oil […]

Butterfly valve disc material selection Caustic substance Material selection Ⅰ Ⅱ Low pressure steam WCB Stainless steel Petroleum Cast Iron […]

Butterfly valve weight The weight of the butterfly valve is related to the butterfly valve form and material. DN INCH […]

Application of butterfly valve according to medium, diameter, pressure, temperature, industry application Media classification: water, steam, oil, acids, alkalis, alcohols, […]

Design：GB/T12238-2008、AP I609、BS 5155 BS3952、JIS B2032、JIS B2064 Flange： EN 1092 PN 6/PN10/PN16 ASME Class 150 AS 4087 PN10/ PN16 JIS 5K/10K […]

Butterfly valve torque data The torque of the butterfly valve is related to: working pressure, working medium, lubrication Media:Oil lubricating […]

The butterfly valve can be driven by handles, turbines, sprocket wheels, electric and pneumatic, and the sprocket is suitable for […]