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What is the Difference Between Ball Valve and Butterfly Valve in Structure and Performance?

1. Ball valve and butterfly valveBall valve and butterfly valve are two kinds of valves which are most widely used in today's valves. They are easy to operate and play a role of cut-off and cu...

Sealing Principle of Double Offset Butterfly Valve

Double offset butterfly valve sealing structure, which generally can use PTFE, synthetic rubber to form a composite seat. Its characteristic is that the elasticity of the valve seat is still provid...

Sealing Principle of Double Offset Butterfly Valve

Double offset butterfly valve sealing structure, which generally can use PTFE, synthetic rubber to form a composite seat. Its characteristic is that the elasticity of the valve seat is still provid...

Manufacture of AWWA c504 butterfly valve

At present, there are many manufacturers of AWWA c504 butterfly valves domestically and abroad. ZECO Valve Company plays an important role in the development, production and manufacture of such val...

still life*

来月半ばに行われる娘の絵画テスト。(for GATE program)通常なら先生の直接指導のもと指定の場所へ行き実技テストを行うところ今年はCovidの影響でZoomでのオンラインテストという事です。予めすでに描かれた6～8枚の作品の写真を撮りメールにて送信するものに加え前述の実技テスト。このテストでは”Still life”を先生指導のもと3時間かけて描いてもらいますとの連絡を受け…えっ...

Veda Krishnamurthy is gone and India lose half the side

It was a below-par performance from the six-time champions India, who had earlier finished their innings at 112-9. Skipper Harmanpreet Kaur play the magical innings yet again.M.INDW 74-7 after 15 ...

行き先の決まらないハイキング

一昨日の朝１０時出発でロードバイクに乗るつもりでいました。所が１０時近くになり夫が具合が悪いと言う。程々に、ぼちぼち、明日があるさと言う言葉の持ち合わせのない我が夫、引っ越しに関連してこの家を借家にするべく準備をしていて働きすぎたようです。今大切な時に病気になっては困るので一先ずおやすみ頂いて、無理をしない私は運動不足なので散歩にでも出かけましょう。さてどこへ行きましょう？すでに陽は高く、い...

This investigate report offers an extensive evaluation

A research report over the Embedded Field-programmable Gate Array (FpGA) Market place provides a in-depth analysis of market place share, dimension, developments and advancement prospective custome...

The device attributes exceptional symmetric floating gate driver architecture

Analog Units LTC7060 50 % Bridge Driver drives N-channel MOSFETs within a half-bridge configuration with offer voltages up to 100V. It functions source impartial three-state pWM enter logic. The ex...

Structure Principle and Application of Bottom Valve

Bottom valve is a kind of energy-saving valve, which is usually installed at the bottom of the underwater suction pipe of the pump. It limits the return of liquid in the pump pipe to the source of ...