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<title><![CDATA[EC21 Product Catalogs - back pressure valve]]></title>
<link><![CDATA[https://www.ec21.com/ec-market/back-pressure-valve--2053/1/back pressure valve.html]]></link><item>
<title><![CDATA[HIFLUX - High Pressure Needle Valve]]></title><link><![CDATA[https://hiflux.en.ec21.com/HIFLUX-High-Pressure--6018313_6018498.html]]></link><description><![CDATA[[HIFLUX] High Pressure Needle Valve
Needle valve is a hand-operated valve to control the flux of oil or gas according to the degree by which the stem is blocking the passage of oil or gas, or it can ]]></description><pubDate><![CDATA[20250121]]></pubDate></item>
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<title><![CDATA[Stainless Steel/Carbon Steel/Ductile Iron Manual Flange Y-Strainer Valve]]></title><link><![CDATA[https://guochengwang.en.ec21.com/Stainless-Steel-Carbon-Steel-Ductile--11981189_11981744.html]]></link><description><![CDATA[valve industry can go back more than twenty years, and we bring years of expertise and knowledge in this field.Product Strength: We specialize in designing and manufacturing a wide range of high-qual]]></description><pubDate><![CDATA[20240807]]></pubDate></item>
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<title><![CDATA[ASTM A182 F304 Swing Check Valve]]></title><link><![CDATA[https://jscvalves123.en.ec21.com/ASTM-A182-F304-Swing-Check--11881854_11977811.html]]></link><description><![CDATA[valve disc. It serves the purpose of preventing the reverse flow of the medium and is commonly referred to as a check valve, one-way valve, reverse flow valve, or back pressure valve. Additionally, t]]></description><pubDate><![CDATA[20240731]]></pubDate></item>
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<title><![CDATA[Swing Check Valve]]></title><link><![CDATA[https://hkpumpvalve.en.ec21.com/Swing-Check-Valve--11975480_11975490.html]]></link><description><![CDATA[valve , the check valve only allows the medium to flow in one direction and prevents the fluid from flowing back. Usually this valve works automatically. Under the pressure of flowing in one directio]]></description><pubDate><![CDATA[20240726]]></pubDate></item>
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<title><![CDATA[Industrial Check Valves Supplier]]></title><link><![CDATA[https://cnbstv.en.ec21.com/Industrial-Check-Valves-Supplier--11958900_11958903.html]]></link><description><![CDATA[valves are used to ensure that gases and liquids flow in only one direction. They essentially prevent the process flow from flowing back, thus forcing the valve to close. Correct flow pressure forces]]></description><pubDate><![CDATA[20240628]]></pubDate></item>
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<title><![CDATA[Multifunctional Hydraulic Control Valve]]></title><link><![CDATA[https://fluidtechpipe.en.ec21.com/Multifunctional-Hydraulic-Control-Valve--11917154_11917457.html]]></link><description><![CDATA[Multifunctional hydraulic control valve
Features:
Size: 2&quot;-24”(DN50-DN600)
Material: Ductile iron ASTM A536, 65-45-12
Dimension: ASME B16.42
Connection：ASME B16.1 CLASS 125/250
Pressure Rating: 3]]></description><pubDate><![CDATA[20240328]]></pubDate></item>
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<title><![CDATA[Forged Steel Ball Valve  API Forged Steel Trunnion Type Ball Valve]]></title><link><![CDATA[https://yuanda698.en.ec21.com/Forged-Steel-Ball-Valve--8883742_9471341.html]]></link><description><![CDATA[Back seal test
Air seal test
Medium(MPa)
water(MPa)
Air (MPa)
Pressure
(class)
150
3.1
2.2
2.2
0.5~0.7
300
7.8
5.6
5.6
600
15.3
11.2
11.2
900
23.1
16.8
16.8
1500
38.4
28.1
28.1
China top valves suppl]]></description><pubDate><![CDATA[20240315]]></pubDate></item>
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<title><![CDATA[IRV10-26 Pilot-Operated Spool Relief Valve]]></title><link><![CDATA[https://valzoom.en.ec21.com/IRV10-26-Pilot-Operated-Spool--11836037_11908379.html]]></link><description><![CDATA[IRV10-26 pilot operated unloading valve
The IRV10-26 Relief Valve Pilot-Operated Spool is a high-performance valve designed to protect hydraulic systems from excessive pressure. It features a pilot-o]]></description><pubDate><![CDATA[20240304]]></pubDate></item>
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<title><![CDATA[Ball Valve Flange Type]]></title><link><![CDATA[https://haiyingvalve.en.ec21.com/Ball-Valve-Flange-Type--11725077_11821757.html]]></link><description><![CDATA[the fluid pressure decreases, the ball slides back into its position on the inside disc. But This Ball valves 
are only used in liquid systems and can be produced in GG25, GG40 at HY Valves scope.
]]></description><pubDate><![CDATA[20230719]]></pubDate></item>
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<title><![CDATA[380bar 420L/Min Hydraulic Sectional Directional Control Valve]]></title><link><![CDATA[https://archerho.en.ec21.com/380bar-420L-Min-Hydraulic-Sectional--11623431_11656516.html]]></link><description><![CDATA[valve block: 19.5
Front and back cover: 3.7
Double pumps confluence valve block: 20
Port
P
SAE 1 1/4 in 6000PSI
T, K
SAE 1 1/4 in 3000PSI
A, B
SAE 1 in 6000PSI
a,b,LS,MP,MLS
G1/4
Connection port size]]></description><pubDate><![CDATA[20221014]]></pubDate></item>
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<title><![CDATA[Stainless Steel/PVDF/PVC  Safety Valve]]></title><link><![CDATA[https://topkun.en.ec21.com/Stainless-Steel-PVDF-PVC--11394988_11394991.html]]></link><description><![CDATA[Safety valve (also known as relief valve) is opened and closed automatically according to the working pressure of the pressure system. Safety valve is generally installed on the equipment of closed s]]></description><pubDate><![CDATA[20230505]]></pubDate></item>
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<title><![CDATA[Valve]]></title><link><![CDATA[https://banseok.en.ec21.com/Valve--3635293_3636023.html]]></link><description><![CDATA[Features
This Spool Valve remves the remaining pressure after dispensing and prevents gathering of liquids
Specification
Spool-Back
Materials of liquid Applying Part
SUS 304
Valume
0.8&amp;#8467;/min
In ]]></description><pubDate><![CDATA[20090629]]></pubDate></item>
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<title><![CDATA[D342X Double Eccentric Butterfly Valve]]></title><link><![CDATA[https://disaivalve.en.ec21.com/D342X-Double-Eccentric-Butterfly-Valve--11865326_11865328.html]]></link><description><![CDATA[backed seats. Double offset butterfly valves are suitable for a wide range of applications, including high pressure and high temperature environments.
have three eccentricities and are designed for d]]></description><pubDate><![CDATA[20231111]]></pubDate></item>
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<title><![CDATA[Bronze Backflow Preventer]]></title><link><![CDATA[https://carbovalve.en.ec21.com/Bronze-Backflow-Preventer--11603083_11603095.html]]></link><description><![CDATA[Backflow Preventer Device
The two-stage independent check valve has small flow resistance and rapid opening and closing, which can effectively prevent the sudden increase of back pressure from damagi]]></description><pubDate><![CDATA[20220715]]></pubDate></item>
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<title><![CDATA[Electric Ventilation Butterfly Valve]]></title><link><![CDATA[https://szbanyan.en.ec21.com/Electric-Ventilation-Butterfly-Valve--10654351_10654391.html]]></link><description><![CDATA[valve is controlled accurately via switch signal from industrial automation control system, which regulates and controls the different technic parameters of the flow, temperature and pressure.
★Lin]]></description><pubDate><![CDATA[20180129]]></pubDate></item>
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<title><![CDATA[Flame Arrester,Check Valve,Ball Valve,Stop Valve,Control Valve,Needle Valve,Globe Valve]]></title><link><![CDATA[https://zycryogenic.en.ec21.com/Flame-Arrester-Check-Valve-Ball--11817026_11817562.html]]></link><description><![CDATA[Name: Flame Arrester/ Fire Arrester/Back-fire Relief Valve
Nominal Diameter:25-200mm
Nominal Pressure: 4.0Mpa
Applicable Medium: Methane
Applicable Temperature: -196~+60℃
End Connection: Flange
Val]]></description><pubDate><![CDATA[20230710]]></pubDate></item>
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<title><![CDATA[Check Valves]]></title><link><![CDATA[https://sxsld.en.ec21.com/Check-Valves--10635864_10636763.html]]></link><description><![CDATA[DUAL PLATE WAFER CHECK VALVE
It is used for preventing the back-going of medium in pipelines and equipments, and the pressure of medium will bring the result of opening and closing automatically.When]]></description><pubDate><![CDATA[20200508]]></pubDate></item>
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<title><![CDATA[Dual Expanding Plug Valve]]></title><link><![CDATA[https://carbonltd.en.ec21.com/Dual-Expanding-Plug-Valve--5401829_11539503.html]]></link><description><![CDATA[valve hole form a seal.
Valve open:
When the valve is opened, first rotate the handwheel to lift the cock and pull the sealing slide back from the sealing surfaces on both sides of the valve body. Wh]]></description><pubDate><![CDATA[20220516]]></pubDate></item>
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<title><![CDATA[Carbon Stainless Steel Gate Valve Pressure Seal]]></title><link><![CDATA[https://yuanfeng711.en.ec21.com/Carbon-Stainless-Steel-Gate-Valve--6028787_6028824.html]]></link><description><![CDATA[GATE VALVE PRODUCT&amp;rsquo;S SIZE:
DESIGN DESCRIPTION:
* BOLTED BONNET
* OUTSIDE SCREW AND YOKE FLEXIBLE WEDGE,
* FULLY GUIDER;
* PRESSURE SEAL
* INTEGRAL SEATS;
* HANDWHEEL OPERATOR;
* AVAILABLE WITH ]]></description><pubDate><![CDATA[20180211]]></pubDate></item>
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<title><![CDATA[Hass Intellifaucet K750]]></title><link><![CDATA[https://coastbuyer.en.ec21.com/Hass-Intellifaucet-K750--11836022_11836187.html]]></link><description><![CDATA[valves 60 times every second to achieve a level of temperature control not previously possible. Water temperature remains constant even during pressure and temperature fluctuations in the hot and col]]></description><pubDate><![CDATA[20230821]]></pubDate></item>
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<title><![CDATA[Pneumatic Regulating Ball Valve]]></title><link><![CDATA[https://sudhanafluid89.en.ec21.com/Pneumatic-Regulating-Ball-Valve--11846191_11846216.html]]></link><description><![CDATA[valve valve. To achieve the proportional adjustment of pipeline medium pressure, flow rate, liquid door and other parameters, among them, the pneumatic/type adjustment glass closure has knotted and r]]></description><pubDate><![CDATA[20230920]]></pubDate></item>
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<title><![CDATA[Main Control Valve]]></title><link><![CDATA[https://sinjin.en.ec21.com/Main-Control-Valve--7292273_7292500.html]]></link><description><![CDATA[Pressure(Max)
250 bar
Relief Valve Setting Pressure
Main
210 bar
Auxiliary
165 bar
Back Pressure
Peak
15 bar
Max
10 bar
Fluid
Mineral Oil ISO VG 46
Fluid Temperature
-30&amp;deg;C ~-100&amp;deg;C
Dimensional]]></description><pubDate><![CDATA[20170517]]></pubDate></item>
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<title><![CDATA[API/ANSI Gate Valve]]></title><link><![CDATA[https://boluo0513.en.ec21.com/API-ANSI-Gate-Valve--9512207_9541691.html]]></link><description><![CDATA[back seat can be very reliable .However, as per the requirement of API600, it is not advisable to add or change packing by the mean of back seating when the valve is pressure containing. 
Seat 
For c]]></description><pubDate><![CDATA[20160709]]></pubDate></item>
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<title><![CDATA[Stainless Steel Ball Valve]]></title><link><![CDATA[https://fivestar12323.en.ec21.com/Stainless-Steel-Ball-Valve--11595536_11768670.html]]></link><description><![CDATA[Pressure
Test Item
Shell Test
Seal Test
Back Seal Test
Air Seal Test
Medium
Water
Air
Unit
MPa
MPa
MPa
MPa
Nominal PressurePN(MPa)
1.6
2.4
1.8
1.8
0.5〜0.7 
2.5
3.8
2.8
2.8
4.0
6.0
4.4
4.4
6.4
9.6
7]]></description><pubDate><![CDATA[20230413]]></pubDate></item>
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<title><![CDATA[Closed Spring Loaded Full Bore Type Safety Valve]]></title><link><![CDATA[https://mstnland123456.en.ec21.com/Closed-Spring-Loaded-Full-Bore--11482651_11482660.html]]></link><description><![CDATA[MstnLand is an international supplier and service provider of industrial valves and solutions. We integrate R&amp;D, manufacture, resource integration and trade service into one, provide valve selection ]]></description><pubDate><![CDATA[20211126]]></pubDate></item>
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<title><![CDATA[Knife Gate Valve]]></title><link><![CDATA[https://utmostvalve.en.ec21.com/Knife-Gate-Valve--11563892_11662128.html]]></link><description><![CDATA[valve makes the gate move correctly. Extrusion blocks ensure effective sealing of the gate.
The gate valve knife plate has 5 supporting points. When the valve is closed and under back pressure, the v]]></description><pubDate><![CDATA[20221024]]></pubDate></item>
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<title><![CDATA[Brass Check Valve]]></title><link><![CDATA[https://jtcopper01.en.ec21.com/Brass-Check-Valve--11617552_11617576.html]]></link><description><![CDATA[Check valve refers to a valve whose opening and closing parts are circular valve discs and act by their own weight and medium pressure to block the backflow of medium. It is an automatic valve, also ]]></description><pubDate><![CDATA[20220808]]></pubDate></item>

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