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Function and classification of check valve （1）
Check valve definition Check valve refers to the valve that automatically opens and closes the valve disc depending on the flow of the medium itself to prevent the backflow of the medium, also known as check valve, one-way valve, reverse flow valve, and back pressure valve. Check valve action...Read more -
Classification characteristics of hydraulic control valves
Hydraulic control valve is a water pressure controlled valve, which consists of a main valve and its attached conduit, pilot valve, needle valve, ball valve and pressure gauge. According to different purposes, functions and places of use, it can be developed into remote control float valve, pres...Read more -
Butterfly Valve ，check valves and gate valves ready for shipment
2*40GP Butterfly valve, check valves and gate valves are ready for shipment to Europe ! Our advantages : 1. With Directive 97/23/EC 2. WRAS Certified for drinking water(UK and Commonwealth countries) 3. ACS Certified for drinking water(France) 4. More than 15 years of OEM services for este...Read more -
DIN Y Strainer Shipment
DIN Y Strainer Body in GGG40 Strainer 304 Mesh 0.8mm With drain plug Bolt in A2 and Drain plug BSP screwed Painting Epoxy T°C using up to 120°C Seal Graphoil Flange NP 16 The production of DIN Y Strainer is finished today , Waiting for s...Read more -
Shipment of Double Eccentric Butterfly Valve to Europe
12 pallets of double economic butterfly valve ready for shipment to Europe ! Nortech is one of the leading industrial valve manufacturers in China with quality certification ISO9001. Major products: Butterfly Valve, Ball Valve,Gate Valve, Check Valve, Globe Vavlve,Y-Strainers, ...Read more -
Y-stainer introduction and testing principles
Introduction to Y-Stainer Y-stainer is an indispensable filter device for conveying media in piping systems. Y-stainer is usually installed on the inlet end of a pressure relief valve, pressure relief valve, constant water level valve or other equipment to remove impurities in the medium to prot...Read more -
Three-piece ball valve product difference
Three-piece ball valve product difference One – piece, two – piece, three – piece ball valve fundamental difference in the valve body structure. One-piece ball valve is reduced diameter, by a plug head will be fixed sphere, flow is relatively small; Two-piece ball valve is full...Read more -
What is knife gate valve?
[Knife gate valve] NORTECH brand. Flange knife gate valve, wafer knife gate valve, sewage knife gate valve, pneumatic knife gate valve standard, structure drawing, specifications and models, dimensions, working principle and product manual. To provide customers with high quality, high performanc...Read more -
The main function of check valve
–, wafer check valve use: Check valve installed in the pipeline system, the main role is to prevent media flow back, check valve is a kind of media pressure open and closed automatically. Wafer check valve is suitable for nominal pressure PN1.0MPa~42.0MPa, Class150~ 25000; Nominal diamet...Read more -
How check valves work ？
Check valve is to rely on the flow of the medium itself and automatically open and close the valve disc, used to prevent the media flow back valve, also known as check valve, one-way valve, reverse flow valve and back pressure valve. Check valve is a kind of automatic valve, the main function is ...Read more -
Check valve usage
A, swing check valve: swing check valve disc is a disc, revolving around the shaft of the valve seat channel for rotary movement, because the valve channel into streamline, flow resistance ratio Drop check valve small, suitable for low flow velocity and flow not often change of large diameter ...Read more -
Stainless steel globe valve from NORTECH Valve
Stainless steel globe valve is a kind of globe valve, the valve body material requirements are relatively high 301.304.316 and other materials are widely used in chemical industry, shipping, medicine, food machinery and other industries. Stainless steel stop valve is divided into manual stainle...Read more
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