Trekre Valve Blog

The principle of pneumatic ball valve？The working principle of the pneumatic ball valve is to make the valve flow or block by rotating the valve core. The pneumatic ball valve is easy to switch and small in size. The ball...

Trekre-high-performance-butterfly-valve-1download Frequently Asked Questions Where can I get the high-performance butterfly valve catalog? Use the download link on this page to open the catalog file. When making an inquiry, identify the catalog item you are considering so the applicable product...

Types of ball valves？A ball valve is a type of isolation valve and is the most commonly used valve in industry due to its excellent operating characteristics. Ball valves can be welded, threaded, and flanged, and are available in a...

Selecting a corrosion-resistant valve requires more than choosing a stainless-steel grade or a fluoropolymer lining. The chemical composition of the process fluid, its concentration, operating temperature, pressure, flow conditions and the materials exposed to the medium all influence valve reliability....

Wafer and flanged check valves are often compared by installation length, weight and purchase cost. However, the connection style alone does not determine which check valve is better. Internal construction, cracking pressure, pressure loss, reverse-flow response and pipeline transients are...

What is a metal hard seal butterfly valve,Metal hard seal butterfly valve is mainly composed of valve body, butterfly plate, valve shaft, valve body sealing ring, butterfly plate sealing ring, shaft sleeve, self-lubricating bearing and driving device. The high performance...

Wafer Butterfly Valve Reference Catalog (2018)Download Reference Catalog Frequently Asked Questions How do I download the butterfly valve catalog shown on this page? Open the linked PDF or use the download button associated with the embedded file. The catalog can...

A pneumatic valve actuator converts compressed-air energy into mechanical motion to operate a valve. Rotary actuators operate quarter-turn valves such as ball and butterfly valves, while linear actuators operate valves that require straight-line stem travel. The correct actuator depends on...

Technical requirements for pipeline valves Historical standards notice: This article discusses GB/T 19672-2005, ISO 14313:1999 and API 6D:2002. It is a historical overview, not a current purchasing specification. Have the responsible project engineer confirm the applicable standard, edition and selected...

Chinese valve brand news Important News ·Aitam two valves were identified as the first (set) products in Shandong Province ·Anhui Tunxi valve butterfly valve products passed high temperature low leakage test ·Sinopec signed cooperation agreements on hydrogen energy industry chain...

01 Emerson Fintoil, together with Neste engineering solutions, chose Emerson’s automation software and technology to maximize the operational performance of its biorefinery in the port of hamina Kotka, Finland. The plant will become the world’s third largest crude tall oil...

Choosing and Using a Fluoropolymer-Lined Butterfly Valve A lined butterfly valve uses a rotating disc and a polymer-lined wetted arrangement. The metal shell and the lining have different roles: the shell provides the structural body, while the selected lining separates...

ball valve characteristic Knowledge of ball valves 1; wear-resisting; Since the valve core of the hard sealed ball valve is alloy steel spray welding and the sealing ring is alloy steel surfacing, the hard sealed ball valve will not cause...

How the breathing valve works-Atmospheric and low pressure storage tanks are common equipment in process industry. During the use of atmospheric and low-pressure storage tanks, the expansion or contraction of the gas in the storage tank is often caused by...