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<title><![CDATA[EC21 Product Catalogs - internal open close valve]]></title>
<link><![CDATA[https://www.ec21.com/ec-market/internal open close valve.html]]></link><item>
<title><![CDATA[1.6985 (28CrMoNiV4-9) Turbine Rotor Forging Material  SEW 555 Cr-Mo-Ni-V Monobloc Rotor &amp; Generator]]></title><link><![CDATA[https://jiangsuliangyi.en.ec21.com/1.6985_28CrMoNiV4_9_Turbine_Rotor--12074962_12075293.html]]></link><description><![CDATA[valve seats, valve stems and valve parts; seamless rolled rings; bars; sleeves, housings; drawing-based open-die forgings.
Chemistry (typical, wt%)
C 0.24–0.30 · Si ≤0.30 · Mn 0.40–0.90 · Cr]]></description><pubDate><![CDATA[20260624]]></pubDate></item>
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<title><![CDATA[Alkali Vapor Cell with Dual Gas Ports for Dynamic Flow Experiments]]></title><link><![CDATA[https://meticulab.en.ec21.com/Alkali_Vapor_Cell_with_Dual--12069884_12071133.html]]></link><description><![CDATA[valves closed)
&lt;1×10⁻⁹ atm·cc/s (helium leak tested)
Operating Temperature
-20 °C to +200 °C (compatible with alkali vapors)
Customization
Shape, optical length, alkali/buffer gas, coating, p]]></description><pubDate><![CDATA[20260502]]></pubDate></item>
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<title><![CDATA[Volvo Penta D3 150 Inboard Diesel Engine]]></title><link><![CDATA[https://jayamarine.en.ec21.com/Volvo_Penta_D3_150_Inboard--11919868_12052042.html]]></link><description><![CDATA[open system that is easily integrated into the ship’s control system.Freshwater coolingThe engine is fitted with freshwater cooling as standard. This reduces internal corrosion and enables the engi]]></description><pubDate><![CDATA[20250328]]></pubDate></item>
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<title><![CDATA[Camshaft Repair Kit]]></title><link><![CDATA[https://leoyao.en.ec21.com/Camshaft_Repair_Kit--96470_12050254.html]]></link><description><![CDATA[kits are used in automobiles, motorcycles, trucks, and
heavy machinery with internal combustion engines. They help restore proper
valve timing, improve fuel efficiency, and extend engine life.]]></description><pubDate><![CDATA[20250318]]></pubDate></item>
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<title><![CDATA[Rising Stem Hard Seal Groove Gate Valve]]></title><link><![CDATA[https://wendy0987.en.ec21.com/Rising_Stem_Hard_Seal_Groove--12049941_12048238.html]]></link><description><![CDATA[closed, and cannot
be adjusted or throttled. The protective gate valve is a reference to some
foreign products by our company, with innovation in design and
improvement in process; the internal quali]]></description><pubDate><![CDATA[20250311]]></pubDate></item>
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<title><![CDATA[7.5 Ton  Crawler Excavator]]></title><link><![CDATA[https://lelexiaobao.en.ec21.com/7.5_Ton_Crawler_Excavator--10979811_10992593.html]]></link><description><![CDATA[Product Introduction
The 7.5 ton Hydraulic mini crawler excavator fitted famous brand main pump and valves, fitted international brand driving motor and slewing motor, hydraulic pilot servo operation]]></description><pubDate><![CDATA[20250224]]></pubDate></item>
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<title><![CDATA[TYENT Hybrid Alkaline Water Ionizer with Hydrogen Water Generator]]></title><link><![CDATA[https://tyent.en.ec21.com/TYENT_Hybrid_Alkaline_Water_Ionizer--1351093_12036407.html]]></link><description><![CDATA[valve.
JOG DIAL for Hydrogen water
You can get pure hydrogen water through the Hydrogen exclusive button.
Fixed quantity discharge function
Use it when you need to reach the correct capacity
TURBO MO]]></description><pubDate><![CDATA[20250113]]></pubDate></item>
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<title><![CDATA[Glossy Printing Stand Up Coffee Pouches with Valve for Food Packaging]]></title><link><![CDATA[https://anthier689.en.ec21.com/Glossy_Printing_Stand_Up_Coffee--12033068_12033069.html]]></link><description><![CDATA[valve. The main function of the air valve is to discharge the gas produced by the coffee beans, prevent the packaging bag from breaking due to excessive internal pressure, and prevent the entry of ex]]></description><pubDate><![CDATA[20241225]]></pubDate></item>
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<title><![CDATA[All Steel Laboratory Island Bench 10 Feet Central Lab Table]]></title><link><![CDATA[https://chinaflom.en.ec21.com/All_Steel_Laboratory_Island_Bench--8262182_9267109.html]]></link><description><![CDATA[opening angle is 90° or 110°, and it can be closed automatically without noise, no spring back, high strength and can not be easily broken, open-close can reach 100,000 times at least.- Door Handle]]></description><pubDate><![CDATA[20241105]]></pubDate></item>
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<title><![CDATA[Fully Welded Ball Valve]]></title><link><![CDATA[https://larphy.en.ec21.com/Fully_Welded_Ball_Valve--12001280_12001319.html]]></link><description><![CDATA[valve is flexible in operation, with small opening and closing torque, and can be operated through various methods such as handle, turbine transmission, and electric.
6. Long lifespan: Due to the use]]></description><pubDate><![CDATA[20240909]]></pubDate></item>
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<title><![CDATA[ASTM A216 WCB Swing Check Valve, API 6D, 20 Inch, 900 LB, RF]]></title><link><![CDATA[https://mfrsvalve.en.ec21.com/ASTM_A216_WCB_Swing_Check--11116492_11978584.html]]></link><description><![CDATA[valves provides a sleek and efficient profile, making them ideal for use in a wide range of industrial applications. The swing mechanism allows the valve to open and close smoothly, providing reliabl]]></description><pubDate><![CDATA[20240801]]></pubDate></item>
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<title><![CDATA[KSB Centrifugal Pumps]]></title><link><![CDATA[https://vacuumpumpsaisa.en.ec21.com/KSB_Centrifugal_Pumps--11098948_11098956.html]]></link><description><![CDATA[close to our customers
To support our customers, we complement our range of products with inspection, maintenance and repair services for industrial pumps, industrial valves and spare parts. The unpa]]></description><pubDate><![CDATA[20240729]]></pubDate></item>
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<title><![CDATA[Steam Sterilizer Water Bath Type Ampoule Leak Detector Sterilizer]]></title><link><![CDATA[https://rongfengjoanna888.en.ec21.com/Steam_Sterilizer_Water_Bath_Type--11954584_11954842.html]]></link><description><![CDATA[internal spraying device; The external circulation is an external &quot;heating&quot; and &quot;cooling&quot; energy channel, which is composed of various special valves, water pumps and plate heat exchangers;
6.Intelli]]></description><pubDate><![CDATA[20240621]]></pubDate></item>
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<title><![CDATA[CR20 Surface Core Drilling Rig]]></title><link><![CDATA[https://coredrillpros.en.ec21.com/CR20_Surface_Core_Drilling_Rig--11951642_11951643.html]]></link><description><![CDATA[valves.
15 ton capacity mainline hoist
32 ton pullback with 6 m rod pull, direct-coupled feed cylinder with 3.7 m stroke
0-90 degree mast angle capability
Hydraulic Chuck with 294 kN holding capacity]]></description><pubDate><![CDATA[20240614]]></pubDate></item>
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<title><![CDATA[TONEMY HVAC Scent Diffuser 3000AF Commercial Smart Electric Air Refresher Machine 500ml]]></title><link><![CDATA[https://zoezhu777.en.ec21.com/TONEMY_HVAC_Scent_Diffuser_3000AF--11838415_11838443.html]]></link><description><![CDATA[valve controller can adjust fragrance concentration in the different environment to meet customer requirements.Concentration settings and internal 24hours/1 week timer of ensure system can adjust fra]]></description><pubDate><![CDATA[20240429]]></pubDate></item>
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<title><![CDATA[Pinch Valve]]></title><link><![CDATA[https://leflowvalves.en.ec21.com/Pinch_Valve--11930782_11930787.html]]></link><description><![CDATA[valve, also known as pressure valve
,is a valve that uses manual, pneumatic, electric and other driving methods to squeeze the internal rubber tube to On-off or regulate the flow.
Pich valve is compo]]></description><pubDate><![CDATA[20240429]]></pubDate></item>
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<title><![CDATA[API Standard AISI 4145H Mod Drilling Stabilizer for Oilwell]]></title><link><![CDATA[https://senwell2008.en.ec21.com/API_Standard_AISI_4145H_Mod--9714769_9715051.html]]></link><description><![CDATA[Open or tight design
8 Right or left hand spiral
9 Hard facing type
10 Float valve and hole
We also can make the Impact value under -20℃ (negative) low temperature according to the requirements of ]]></description><pubDate><![CDATA[20170304]]></pubDate></item>
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<title><![CDATA[Stainless Steel 2pc Thread Ball Valve]]></title><link><![CDATA[https://haiyingvalve.en.ec21.com/Stainless_Steel_2pc_Thread_Ball--11725077_11725086.html]]></link><description><![CDATA[smooth or closed.
2 PIECE BALL VALVE
The 2pc ball valve
is probably the most widely used ball valve. 2-piece ball valves can quickly and easily open or close the flow of most liquids and gases for an]]></description><pubDate><![CDATA[20230210]]></pubDate></item>
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<title><![CDATA[Temperature &amp; Pressure Resistant Solenoid Valves]]></title><link><![CDATA[https://keyto.en.ec21.com/Temperature_Pressure_Resistant_Solenoid_Valves--11703672_11703678.html]]></link><description><![CDATA[valves here usually refer to the circulating medium&apos;s temperature, not the working environment&apos;s temperature. When the complex liquid reacts in the flow path, it is easy to produce an internal enviro]]></description><pubDate><![CDATA[20230106]]></pubDate></item>
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<title><![CDATA[ABB Electrical Spare Parts]]></title><link><![CDATA[https://jiangstar.en.ec21.com/ABB_Electrical_Spare_Parts--9022887_9022932.html]]></link><description><![CDATA[Open 16 Circuits 
6248BP10812 IC660BBR100 Block Relay Output Normally Closed 16 Circuits 
6248BP10821 IC660EBR101 Electronic Assembly for 6248BP10811 
6248BP10822 IC660EBR100 Electronic Assembly for ]]></description><pubDate><![CDATA[20240418]]></pubDate></item>
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<title><![CDATA[ISP08-20 2-Way N.C. Poppet Valve]]></title><link><![CDATA[https://valzoom.en.ec21.com/ISP08_20_2_Way_N.C.--11836037_11908381.html]]></link><description><![CDATA[ISP08-20 2-Way N.C. Poppet Valve
A proportional solenoid-operated, two-way, normally closed, poppet-type, screw-in hydraulic cartridge valve for low-leakage blocking and load-holding applications.
Sp]]></description><pubDate><![CDATA[20240304]]></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[PN10 PN16 PN25 PN40
-Valve top flange according to ISO5211
-Closed clockwise
-Internal&amp;External epoxy coating
-For medium drinking water, water, and sewage
-Bidirectional
More about Disai Valve
]]></description><pubDate><![CDATA[20231111]]></pubDate></item>
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<title><![CDATA[48 Cavitiew PET Injection Mould for Perform]]></title><link><![CDATA[https://yytpetsunny.en.ec21.com/48_Cavitiew_PET_Injection_Mould--10710594_10710595.html]]></link><description><![CDATA[The Automatic Valve-stems PET Injection Mould 
1.The overall structure of the mould is compact and precision, all templates deal with the ion nitriding. The appearance can be preserved for a long tim]]></description><pubDate><![CDATA[20180420]]></pubDate></item>
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<title><![CDATA[Metal Seat Rotary Ball Valve]]></title><link><![CDATA[https://zjxyvalve.en.ec21.com/Metal_Seat_Rotary_Ball_Valve--11895413_11895420.html]]></link><description><![CDATA[Valve is also designed for ease of maintenance. It features a two-piece or three-piece construction, allowing for easy disassembly and access to internal components for inspection and repair. The val]]></description><pubDate><![CDATA[20240130]]></pubDate></item>
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<title><![CDATA[Ceramic Ball Valves]]></title><link><![CDATA[https://free123456789.en.ec21.com/Ceramic_Ball_Valves--10441583_10444213.html]]></link><description><![CDATA[Valves are designed with engineering ceramics the engineering ceramics internal parts provide excellent wear resistance, the ceramic ball valves are widely used as an open &amp; close function as well as]]></description><pubDate><![CDATA[20181120]]></pubDate></item>
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<title><![CDATA[Electric Three-Piece Ball Valve]]></title><link><![CDATA[https://sudhanafluid89.en.ec21.com/Electric_Three_Piece_Ball_Valve--11846191_11846205.html]]></link><description><![CDATA[The electric three-piece ball valve (electric internal thread ball valve) is assembled from three parts: the left and right valve casings and the middle valve body. Four longer bolts traverse the thr]]></description><pubDate><![CDATA[20230920]]></pubDate></item>
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<title><![CDATA[Lined Butterfly Valves]]></title><link><![CDATA[https://supconvalve.en.ec21.com/Lined_Butterfly_Valves--11032707_11835859.html]]></link><description><![CDATA[valve&apos;s internal components, preventing corrosion and degradation.
Abrasion Protection: In addition to corrosion resistance, the lining also provides protection against abrasion caused by the flow of]]></description><pubDate><![CDATA[20230821]]></pubDate></item>
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<title><![CDATA[Solid Insulated Automatic Circuit Recloser]]></title><link><![CDATA[https://entecene.en.ec21.com/Solid_Insulated_Automatic_Circuit_Recloser--2622023_2622001.html]]></link><description><![CDATA[valve 
IEC standard, Heavy polluted area applicable 
Friendly Environment type
- Gas free, Oil free
- IEC Std, Heavy polluted area application Bushing 
Safe Operation
- Interrupter : 10,000 times of ]]></description><pubDate><![CDATA[20080222]]></pubDate></item>
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<title><![CDATA[ALL-directional Automatic Working Light Lamp]]></title><link><![CDATA[https://yeloder.en.ec21.com/ALL_directional_Automatic_Working_Light--383559_3852384.html]]></link><description><![CDATA[opening and closing, use manual control valve, pump, or expansion of the stem.
5, suitable places: lamps and lanterns chooses the cylinder type car feet support, in less than 15 degrees slope, the na]]></description><pubDate><![CDATA[20220224]]></pubDate></item>
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<title><![CDATA[2 PC 304 316 Grade Stainless Steel Ball Valve with BSP Thread DN6~DN100]]></title><link><![CDATA[https://sscastings.en.ec21.com/2_PC_304_316_Grade--11274587_11274596.html]]></link><description><![CDATA[valves are widely used with plastics and have good sealing performance. It is easy to operate and quick to open and close. It only needs to rotate 90 ° from fully open to fully closed to facilitate ]]></description><pubDate><![CDATA[20210203]]></pubDate></item>
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<title><![CDATA[Stainless Steel Floating Ball Valve]]></title><link><![CDATA[https://mstnland123456.en.ec21.com/Stainless_Steel_Floating_Ball_Valve--11462530_11462890.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[20211021]]></pubDate></item>
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<title><![CDATA[Engine Section Demo Model for Vocational Schools Polytechnic Colleges and Maintenance Training]]></title><link><![CDATA[https://maier418.en.ec21.com/Engine_Section_Demo_Model_for--11921894_11921897.html]]></link><description><![CDATA[valve opens and closes, for timed gas distribution and ignition.
3. The different elements are painted with different colors. 
4. All sectioned elements can carry out normal mechanical operation; to ]]></description><pubDate><![CDATA[20240409]]></pubDate></item>
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<title><![CDATA[Energy-saving Cartridge]]></title><link><![CDATA[https://wanhai2022.en.ec21.com/Energy_saving_Cartridge--11692243_11790534.html]]></link><description><![CDATA[disk that allows or prevents water from passing through. When closed, the seal is waterproof.
Wanhai, faucet cartridge suppliers, offers a wide range of valve cartridge
for you to choose from.
]]></description><pubDate><![CDATA[20230516]]></pubDate></item>
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<title><![CDATA[Low Humidity Storage Cabinet SD-502-02]]></title><link><![CDATA[https://shanghaitotech.en.ec21.com/Low_Humidity_Storage_Cabinet_SD--4115266_4115289.html]]></link><description><![CDATA[open alarm buzzer
Alarm buzzer sounds when its internal humidity/door open time exceeds set value
2. Humidity alarm light
Alarm light flashes and sounds when its internal humidity exceeds set value 
]]></description><pubDate><![CDATA[20240202]]></pubDate></item>
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<title><![CDATA[Drill Pipe Tong ZQ203-100 Idler Shaft 0102-05M | RUSHI]]></title><link><![CDATA[https://klk455.en.ec21.com/Drill_Pipe_Tong_ZQ203_100--11872763_11872771.html]]></link><description><![CDATA[valve PFFY103-35 35MPa 35CrMo DN103
53908-G NIPPLE, CLOSE
71613 BREATHER;RESERVOIR;40CFM
Brake device accessories ZJ-30L with pump friction hub
NB800G.24.04A Backing ring R35
HH-0312NC-0075-GR8-W
FRI]]></description><pubDate><![CDATA[20231203]]></pubDate></item>
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<title><![CDATA[Fiber Laser Cutting Machine HS-CG2560 Series]]></title><link><![CDATA[https://cmbio12.en.ec21.com/Fiber_Laser_Cutting_Machine_HS--11774782_11775445.html]]></link><description><![CDATA[valve air
door has good sealing performance, no noise when opening and closing, and is more environmentally friendly.
Laser Cutting System Application
HS-CG2560 Pro /HS-CG2580 Pro / HS-CG25120 Pro ar]]></description><pubDate><![CDATA[20240318]]></pubDate></item>
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<title><![CDATA[Sales Self-Cleaning Filter Housing for Industry Filtration]]></title><link><![CDATA[https://filternew.en.ec21.com/Sales_Self_Cleaning_Filter_Housing--11658513_11658522.html]]></link><description><![CDATA[valve is opened regularly to discharge the waste liquid containing a high concentration of impurities, which can be recycled if necessary.
Product Advantage
Traditional filters filter sticky material]]></description><pubDate><![CDATA[20240111]]></pubDate></item>
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<title><![CDATA[Siemens]]></title><link><![CDATA[https://willingtech.en.ec21.com/Siemens--4887724_4888242.html]]></link><description><![CDATA[INTERNAL COMPENSATION 
6ES7392-1AJ20-0AA0 
6ES73921AM000AA0 SIMATIC S7-300,FRONT CONNECTOR 392 WITH SCREW CONTACTS, 40-PIN 40-POLIG 
6ES7392-1AM00-0AA0 
6ES73921AM001AB0 SIMATIC S7-300,FRONT CONNECTO]]></description><pubDate><![CDATA[20180124]]></pubDate></item>
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<title><![CDATA[Pneumatic Linear Actuator]]></title><link><![CDATA[https://djc905.en.ec21.com/Pneumatic_Linear_Actuator--5228699_5229311.html]]></link><description><![CDATA[DCP-SERIES SINGLE ACTING
DCP-SERIES ACTUATOR consists of one hydraulic single acting cylinder designed to operate linear valves as globe or gate valves which require a fail-safe action to close by me]]></description><pubDate><![CDATA[20110620]]></pubDate></item>
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<title><![CDATA[Static Balance Valve]]></title><link><![CDATA[https://985980671.en.ec21.com/Static_Balance_Valve--11034618_7760002.html]]></link><description><![CDATA[valve is measured during commissioning, the flow through the valve can be easily calculated;
7. PTFE and silicone seal, reliable sealing performance;
8. The internal components are made of YICr18Ni9 ]]></description><pubDate><![CDATA[20230525]]></pubDate></item>
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<title><![CDATA[Soak Centrifuge Ethanol Extraction Machine Centrifugal Extractor Equipment for Hemp Oil]]></title><link><![CDATA[https://dovmxtech.en.ec21.com/Soak_Centrifuge_Ethanol_Extraction_Machine--11876102_11876107.html]]></link><description><![CDATA[valve is manually opened and the liquid drained. The alcohol wash is pumped to a properly rated storage tank for further processing.Spin Dry Cycle: The Spin Dry program is selected on the program and]]></description><pubDate><![CDATA[20231215]]></pubDate></item>
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<title><![CDATA[Integral Power Steering Unit]]></title><link><![CDATA[https://sinjin.en.ec21.com/Integral_Power_Steering_Unit--1_8971795.html]]></link><description><![CDATA[valve: set the maximum steering system pressure.
Suction valve(anti-cavitation valve): prevent the cylinder vacuum phenomena. 
: prevent the internal cavitation resulted by external forces and the op]]></description><pubDate><![CDATA[20170517]]></pubDate></item>
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<title><![CDATA[Ball Valve]]></title><link><![CDATA[https://aqabengineers.en.ec21.com/Ball_Valve--8962730_8962804.html]]></link><description><![CDATA[Valves
Ball Valves are manufactured in different body configurations 
and the most common are:
&amp;bull;Top entry Ball Valves allow access to Valve internals for
maintenance by removal of the Valve Bonn]]></description><pubDate><![CDATA[20140603]]></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[valve. 
Packing Seal 
Molded flexible graphite is used for packing material .PTFE or combined packing material can be also used if being requested by the customers .The internal surface of the stuffi]]></description><pubDate><![CDATA[20160709]]></pubDate></item>
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<title><![CDATA[LPG Tank Truck]]></title><link><![CDATA[https://hubeichengli.en.ec21.com/LPG_Tank_Truck--9870022_9496514.html]]></link><description><![CDATA[internal valve
C427-16-25
C427-24-50
S
.
V
Type
A412F-2.5
Or
FISHER Relief valve
H732-275
Nominal pressure
PN2.5Mpa
Model
Inner full lift
Nominal diameter
Gas phase
DN 25mm
Nominal pressure
PN2.5 MPa]]></description><pubDate><![CDATA[20150504]]></pubDate></item>
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<title><![CDATA[PVC Fiber Reinforced Hose, Non-toxic PVC Fiber Braided Hose, PVC Soft Tube, Pipe]]></title><link><![CDATA[https://alinaxin999.en.ec21.com/PVC_Fiber_Reinforced_Hose_Non--9338793_9356191.html]]></link><description><![CDATA[internal pressure and temperature,cut the hose slingtly longer than it is needed.
3) when pressurizing,slowly open or close any valves to avoid impact pressure and protect the hose from being damaged]]></description><pubDate><![CDATA[20150115]]></pubDate></item>
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<title><![CDATA[Forged Brass Ball Valve PN30 1/4 Inch 435 Psi with L Type Handle]]></title><link><![CDATA[https://yuehaotec.en.ec21.com/Forged_Brass_Ball_Valve_PN30--11895452_11895453.html]]></link><description><![CDATA[open and close.O-ring: NBR &amp; FKM, made of imported raw material, small friction coefficient, long service life and not easy to leak.Stainless Steel Locknut: Internal design of anti-loose, can be used]]></description><pubDate><![CDATA[20240130]]></pubDate></item>

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