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<title><![CDATA[EC21 Product Catalogs - spring for]]></title>
<link><![CDATA[https://www.ec21.com/ec-market/spring_for--2053/1/spring for.html]]></link><item>
<title><![CDATA[HIFLUX - High Pressure Relief Valve - Field Adjustable 1000psi - 20000psi]]></title><link><![CDATA[https://hiflux.en.ec21.com/HIFLUX_High_Pressure_Relief_Valve--9650457_9824853.html]]></link><description><![CDATA[for reference, they can be changed without any notification.
- Please contact us for details or send an online inquiry, we will give you a response as soon as possible.
FEATURES
- Protect the system ]]></description><pubDate><![CDATA[20250121]]></pubDate></item>
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<title><![CDATA[Herion Direct Solenoid Actuated Poppet Valves Series 24011 Item 2401103080002400]]></title><link><![CDATA[https://contranspowers.en.ec21.com/Herion_Direct_Solenoid_Actuated_Poppet--8980715_8980795.html]]></link><description><![CDATA[spring) Valves for safety systems to SIL 4 or AK 7 Flow: 340.00 l/min Operation: 3/2 Port size: G1/4 Brand: Herion Voltage: 24Vdc
Herion Direct solenoid actuated poppet valves series 24011 item 24011]]></description><pubDate><![CDATA[20250109]]></pubDate></item>
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<title><![CDATA[Single-seat Control Valve, Perforated Plug]]></title><link><![CDATA[https://controlvalves.en.ec21.com/Single_seat_Control_Valve_Perforated--11947691_11978563.html]]></link><description><![CDATA[for extended periods of time.
Compatibility with LP0 and LP1 multi-spring actuators is another advantage of our valve. The option to change spring range without the need for extra parts provides adde]]></description><pubDate><![CDATA[20250106]]></pubDate></item>
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<title><![CDATA[Pneumatic V-Port Regulating Ball Valve]]></title><link><![CDATA[https://cnzpv.en.ec21.com/Pneumatic_V_Port_Regulating_Ball--12025004_12025692.html]]></link><description><![CDATA[For Regulating (Equal percentage)Actuator: Pneumatic,ElectricISO 5211 ACTUATOR ASSEMBLY
The ZPR740 Pneumatic V-Port Regulating Ball Valve,the valve’s core is a V-port on the half sphere. It has a s]]></description><pubDate><![CDATA[20241125]]></pubDate></item>
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<title><![CDATA[Pneumatic Double-Seated Control Valve]]></title><link><![CDATA[https://cncontrol.en.ec21.com/Pneumatic_Double_Seated_Control_Valve--12025242_12025243.html]]></link><description><![CDATA[for versatility, it operates as a three-way valve with Class 400 LB rating, flanged ends, and guarantees Class II leakage control. Ideal for applications requiring superior performance and durability]]></description><pubDate><![CDATA[20241118]]></pubDate></item>
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<title><![CDATA[Stainless Steel Flange Ball Valve]]></title><link><![CDATA[https://afbvalve.en.ec21.com/Stainless_Steel_Flange_Ball_Valve--11859822_12021342.html]]></link><description><![CDATA[for transporting liquids, gases, slurries, and more.
The ANSI flange end ball valve is a full-bore ball valve with flange connections specifically designed for flow control and shut-off purposes. Con]]></description><pubDate><![CDATA[20241030]]></pubDate></item>
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<title><![CDATA[API 594 Duo Wafer Check Valve]]></title><link><![CDATA[https://chinawzipie.en.ec21.com/API_594_Duo_Wafer_Check--2593894_4378588.html]]></link><description><![CDATA[API594 Duo Wafer Check Valves: 
Structure: Duo Swing Plates, Spring loaded shaft. 
Size: 2&quot;-48&quot;, Class: ANSI 150-2500#
Body: WCB, LCB, LCC, CF8, CF8M, CF3, CF3M, Alloy steel, CI/DI etc.
Design, Manuf]]></description><pubDate><![CDATA[20241024]]></pubDate></item>
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<title><![CDATA[Bibtap 1/2 3/4 Forged Full Size Brass Hose Copper Grosna Brass Bibcock Water Tap]]></title><link><![CDATA[https://grosna.en.ec21.com/Bibtap_1_2_3_4--11971029_11989493.html]]></link><description><![CDATA[Female Thread Small Spring Brass In Line Check Valve for Water Supply Pipe System]]></description><pubDate><![CDATA[20240821]]></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[for easy installation in various industrial applications.
Forged Swing Check ValveBody material: ASTM A182 F304Nominal diameter: 1 Inch (DN25)Nominal class: Class 800 LB (PN150)End connection: NPTMet]]></description><pubDate><![CDATA[20240731]]></pubDate></item>
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<title><![CDATA[Natural Gas/LP Gas Regulator]]></title><link><![CDATA[https://abydaglobal.en.ec21.com/Natural_Gas_LP_Gas_Regulator--11968021_11968022.html]]></link><description><![CDATA[spring inside the regulator.
Key Features of Natural Gas Regulators for Sale:
• Precision Control: Experience precise control over gas flow with our regulators. Whether for cooking appliances, heat]]></description><pubDate><![CDATA[20240713]]></pubDate></item>
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<title><![CDATA[Stainless Steel Check Valve]]></title><link><![CDATA[https://cnbstv.en.ec21.com/Stainless_Steel_Check_Valve--11958900_11958909.html]]></link><description><![CDATA[for their robust construction and reliability, delivering top performance under all conditions. For high-pressure applications, stainless steel spring check valves are ideal and provide excellent sea]]></description><pubDate><![CDATA[20240628]]></pubDate></item>
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<title><![CDATA[Utmost CS Ss Full Welded Ball Valve]]></title><link><![CDATA[https://utmostvalves.en.ec21.com/Utmost_CS_Ss_Full_Welded--11940076_11940622.html]]></link><description><![CDATA[Since the full welded ball valve seat is composed of a carbonized PTFE seal ring and a disc spring, it has strong adaptability to pressure and temperature changes, and will not cause any slippage wit]]></description><pubDate><![CDATA[20240521]]></pubDate></item>
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<title><![CDATA[YT-1000 ROTORK Ytc Smart Positioner Electric Actuator with Control Valve]]></title><link><![CDATA[https://actuatorpositioner.en.ec21.com/YT_1000_ROTORK_Ytc_Smart--11881437_11881438.html]]></link><description><![CDATA[for singleacting (spring-return type) and double-acting pneumatic actuators.Installation of Electric-pneumatic valve positioners: This series is adjustment type and is designed for double-acting or ]]></description><pubDate><![CDATA[20231229]]></pubDate></item>
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<title><![CDATA[Pneumatic Pressure Control Valve]]></title><link><![CDATA[https://supconvalve.en.ec21.com/Pneumatic_Pressure_Control_Valve--11032707_11892346.html]]></link><description><![CDATA[for economic pressure control in accumulator operating circuits and are used as a power source for emergency control.
Classification of pneumatic pressure control valve
In the pneumatic transmission ]]></description><pubDate><![CDATA[20240123]]></pubDate></item>
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<title><![CDATA[Pinch Valves]]></title><link><![CDATA[https://keyto.en.ec21.com/Pinch_Valves--11703672_11703673.html]]></link><description><![CDATA[for testing impurity sample, waste discharge
02
Suitable for inspecting samples contain impurities / particles or not
03
Applications in occasion which need to avoid cross contamination between sampl]]></description><pubDate><![CDATA[20230106]]></pubDate></item>
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<title><![CDATA[MOOG Servo Valves D633-D634 Series]]></title><link><![CDATA[https://rholisa.en.ec21.com/MOOG_Servo_Valves_D633_D634--10925954_10926009.html]]></link><description><![CDATA[spring centred
Viscosity recommended 15 to 100 mm2/s
Flow control (throttle valve) in port A and port B
Port Y required if pressure p &gt; 50 bar (715 psi) in port T
for 3-way function close port A or p]]></description><pubDate><![CDATA[20190321]]></pubDate></item>
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<title><![CDATA[FABIA Pneumatic 3 Piece Butt Welding Ball Valve with Thrust Bearing]]></title><link><![CDATA[https://fbballvalve.en.ec21.com/FABIA_Pneumatic_3_Piece_Butt--11860860_11860861.html]]></link><description><![CDATA[FABIA Pneumatic 3 Piece Butt Welding Ball Valve With Thrust Bearing
1. Description:
Ball valve is mainly used to cut off or connect the medium in the pipeline, and can also be used for fluid regulati]]></description><pubDate><![CDATA[20231031]]></pubDate></item>
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<title><![CDATA[Stainless Steel Hose Union Bibcock Bib Tap Outside Taps]]></title><link><![CDATA[https://bibcockvalve.en.ec21.com/Stainless_Steel_Hose_Union_Bibcock--11866754_11866755.html]]></link><description><![CDATA[for various outdoor activities. They are commonly found in residential properties, gardens, and commercial buildings.
Here are some key points about outside taps
Purpose: Outside taps are primarily u]]></description><pubDate><![CDATA[20231115]]></pubDate></item>
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<title><![CDATA[IRV10-B20 Relief Valve Direct-Acting Poppet]]></title><link><![CDATA[https://valzoom.en.ec21.com/IRV10_B20_Relief_Valve_Direct--11836037_11908380.html]]></link><description><![CDATA[springs at maximum setting. Pressure rise will vary with setting due
to spring and flow forces. Consult Inno for specific pressure-flow
characteristic values.
Internal Leakage
0.25 ml/min. (5 drops/m]]></description><pubDate><![CDATA[20240304]]></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[for body and Cap
Internal Entry Blow-Out Proof Stem 
Pressure Rating:2000PSI (PN125)
Thread End:ANSI B2.1,BS21,ISO7/1
Working Temperature:-25℃+180℃
Material:CF8M,CF8,CF3M,WCB
Inspection Testing:A]]></description><pubDate><![CDATA[20210203]]></pubDate></item>
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<title><![CDATA[MAXSTI Pneumatic Actuator]]></title><link><![CDATA[https://szhtx88.en.ec21.com/MAXSTI_Pneumatic_Actuator--10964854_10964897.html]]></link><description><![CDATA[spring design, easy to install spring according to application combination
☉ Various anti-corrosion shells are available to suit different environments
☉Multiple turning corners, can be equipped ]]></description><pubDate><![CDATA[20231214]]></pubDate></item>
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<title><![CDATA[CS SQP Series Ball Joint]]></title><link><![CDATA[https://xinyuan1.en.ec21.com/CS_SQP_Series_Ball_Joint--11601863_11749909.html]]></link><description><![CDATA[spring steel spring steel,alternative for all angle joint versions:stainless steel 304;6）sueface protection:electropledd galvanized passivated in white-blue or yellow ,plated.
Product Parameter (Sp]]></description><pubDate><![CDATA[20230316]]></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[spring loaded full bore type safety valve, A42Y-C type are used for the equipment and pipeline of air, petroleum gas, liquid, etc. medium what the working temperature are less than 300℃. A42Y-P typ]]></description><pubDate><![CDATA[20211126]]></pubDate></item>
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<title><![CDATA[HPAC Series Air Spring Single/Double Acting Compact Pneumatic Actuator]]></title><link><![CDATA[https://13165842695.en.ec21.com/HPAC_Series_Air_Spring_Single--11916308_11918927.html]]></link><description><![CDATA[HPAC Scotch yoke Pneumatic actuator is prelubricated and tested to a min one million Actuators are avvaliable double acting and spring return models, Its meet internationalISo5211 standards for easy ]]></description><pubDate><![CDATA[20240401]]></pubDate></item>
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<title><![CDATA[Flange Nut]]></title><link><![CDATA[https://dtnut.en.ec21.com/Flange_Nut--11618173_11723301.html]]></link><description><![CDATA[spring washer, there is no need to add the flat washer and the spring washer during assembly.

Are flanged nut reusable?
Fasteners are generally not allowed to be reused, especially for some high-]]></description><pubDate><![CDATA[20230208]]></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[spring check valve, brass swing check valve and brass vertical check valve JKL-5425.
Different Types of Brass Check Valve
Brass Spring Check Valve:
According to the usage scenario, this product needs]]></description><pubDate><![CDATA[20220808]]></pubDate></item>
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<title><![CDATA[Heavy Duty Actuator]]></title><link><![CDATA[https://juhang1.en.ec21.com/Heavy_Duty_Actuator--11601080_11601082.html]]></link><description><![CDATA[Heavy duty actuator is divided into double-acting and single-acting type (spring return), the output torque is large, the operation is flexible and balanced; piston rod is hard chrome plated with goo]]></description><pubDate><![CDATA[20220712]]></pubDate></item>
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<title><![CDATA[1TH6C60 Hydraulic Valve]]></title><link><![CDATA[https://bomcosp.en.ec21.com/1TH6C60_Hydraulic_Valve--9138118_9138119.html]]></link><description><![CDATA[Spring gasket 12 GB848-85 GB848-85 AH36001-05.27 GB70-85 
Pin for Director 3x10 GB827-76 GB827-76 AH36001-05.28.00 GB93-87 
Stud 27x90 GB5780-86 GB5780-86 GB5782-86 GB4240-84 
Nut M27 GB41-86 GB41-86]]></description><pubDate><![CDATA[20191210]]></pubDate></item>
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<title><![CDATA[3V120-06 Directional Control Valve]]></title><link><![CDATA[https://xingyuelectron.en.ec21.com/3V120_06_Directional_Control_Valve--11874073_11879583.html]]></link><description><![CDATA[for either double solenoid for bistable operation or single solenoid for spring return functionality.
Multiple Mounting Options: Can be base mounted, sub-base mounted, or manifold mounted for flexibi]]></description><pubDate><![CDATA[20231225]]></pubDate></item>
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<title><![CDATA[Cast Iron Ball Check Valve]]></title><link><![CDATA[https://leflowvalves.en.ec21.com/Cast_Iron_Ball_Check_Valve--11930782_11930786.html]]></link><description><![CDATA[for all sizes;
The cast iron check valve
is usually used to control the one-way flow of fluids.
It usually consists of a valve body, ball, spring, and sealing components.This kind of valve is suitabl]]></description><pubDate><![CDATA[20240429]]></pubDate></item>
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<title><![CDATA[Nitrogen Gas Spring]]></title><link><![CDATA[https://ks123.en.ec21.com/Nitrogen_Gas_Spring--11600577_11600578.html]]></link><description><![CDATA[Our company focus on CNC precision machining field for several years, all kinds of processing, testing equipment complete, nitrogen gas spring, the company has new drilling and tapping milling machin]]></description><pubDate><![CDATA[20220711]]></pubDate></item>
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<title><![CDATA[Solenoid Valve 300AA00086A by Yoyik]]></title><link><![CDATA[https://yoyikzyr.en.ec21.com/Solenoid_Valve_300AA00086A_by_Yoyik--10158219_10158227.html]]></link><description><![CDATA[Solenoid Valve 300AA00086A is a model for power plants particularly supplied by Dongfang Yoyik. Yoyik is specialized in generator spare parts since 1990s.We have been providing our products to numero]]></description><pubDate><![CDATA[20230210]]></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_Safety--11394988_11394991.html]]></link><description><![CDATA[spring and the pressure will be adjustable.
The medium contacting parts are only the lower valve body and the diaphragm and they are assembled with sealing rib which has good sealing effect and high ]]></description><pubDate><![CDATA[20230505]]></pubDate></item>
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<title><![CDATA[Scotch Yoke Pneumatic Actuator Hydraulic Actuator Made in China]]></title><link><![CDATA[https://judyzhaoveson.en.ec21.com/Scotch_Yoke_Pneumatic_Actuator_Hydraulic--9782389_9782390.html]]></link><description><![CDATA[for valves with appropriate torque demand characteristics.
hydraulic actuators in double-acting and spring-return configurations
Suitable for use in SIL2 and SIL3 rated safety systems
hydraulic press]]></description><pubDate><![CDATA[20151208]]></pubDate></item>
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<title><![CDATA[3 Way NC/NO Miniature 24 Volt Solenoid Pinch Valve for Coffee Machine]]></title><link><![CDATA[https://oriwen01.en.ec21.com/3_Way_NC_NO_Miniature--10199941_11102488.html]]></link><description><![CDATA[For 3way solenoid pinch valve, 2pcs of 15cm long tubing supplied;
•Mounting Flange (Polyethylene)/ Mounting Ring (Aluminum)/ Mounting Clip (Spring Steel)
Product Specifications
Voltage12/24volt DC ]]></description><pubDate><![CDATA[20200413]]></pubDate></item>
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<title><![CDATA[Check Valve, Industry Valve Supplier]]></title><link><![CDATA[https://liana2018.en.ec21.com/Check_Valve_Industry_Valve_Supplier--10839904_10846011.html]]></link><description><![CDATA[for pipe of transporting water with such medium as water sewage and seawater. It can avoid media flowing backwards and prevent damaging water hammer, guarantee the safety using of pipes. 
Material: b]]></description><pubDate><![CDATA[20181102]]></pubDate></item>
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<title><![CDATA[Metal Seated Trunnion Mounted Ball Valves]]></title><link><![CDATA[https://mfrsvalve.en.ec21.com/Metal_Seated_Trunnion_Mounted_Ball--11115172_11115194.html]]></link><description><![CDATA[for reliable sealing conforming to ANSI/FCI 70-2 class V.
Reliable Operations
Spring-loaded seats maintain close contacting with the ball ensuring tight sealing even at low pressures. This also resul]]></description><pubDate><![CDATA[20200424]]></pubDate></item>
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<title><![CDATA[Carbon Steel Fully Welded Ball Valves PN25]]></title><link><![CDATA[https://lillian07042.en.ec21.com/Carbon_Steel_Fully_Welded_Ball--11049786_11094000.html]]></link><description><![CDATA[for you to purchase WENBAO series products.
Main Parts and Materials
1BodyAISI 206.2Hexagon Screw8.82End SocketAISI 206.3O-RingViton3Ball3046.4Oilless Bearing304+PTFE4.1Support RingA1056.5Drain Plug2]]></description><pubDate><![CDATA[20200709]]></pubDate></item>
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<title><![CDATA[Pan Check Valve(Wafer Type)]]></title><link><![CDATA[https://wsvav.en.ec21.com/Pan_Check_Valve_Wafer_Type--1968405_2614765.html]]></link><description><![CDATA[for improvement
Opening Press 
With spring
Without
spring
&amp;#8593;
&amp;#8594;
&amp;#8595;
&amp;#8593;
0.055
0.051
0.043
0.006
0.052
0.048
0.041
0.005
0.055
0.050
0.042
0.006
0.055
0.050
0.041
0.007
0.056
0.050
0]]></description><pubDate><![CDATA[20090102]]></pubDate></item>
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<title><![CDATA[3pc Ball Valves(F304,F316)]]></title><link><![CDATA[https://suifengpiaobo.en.ec21.com/3pc_Ball_Valves_F304_F316--4027451_4084127.html]]></link><description><![CDATA[spring structure, valve Block into the sphere that can ensure a good sealing performance of the import and export of two-way, valve body in the cavity can be outward emission (DBB); stem the use of a]]></description><pubDate><![CDATA[20141008]]></pubDate></item>
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<title><![CDATA[Sanitary Check Valve]]></title><link><![CDATA[https://zhejiangyuanan.en.ec21.com/Sanitary_Check_Valve--3799090_3813959.html]]></link><description><![CDATA[spring force. The valve close when pressure equalization has been achieved A higher counter pressure will press the valve plug against the seat and makes the valve closed Material SS304/316L Sealing ]]></description><pubDate><![CDATA[20090912]]></pubDate></item>
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<title><![CDATA[Pneumatic Type(2-Way Flange)]]></title><link><![CDATA[https://dva21.en.ec21.com/Pneumatic_Type_2_Way_Flange--6202378_6200237.html]]></link><description><![CDATA[for convenience.
The Cylinder Ball Valve is divided into PNEUMATIC, SPRING RETURN PNEUMATIC, and LOT PNEUMATIC types depending on application.
PNEUMATIC TYPE - a general open and close cylinder type ]]></description><pubDate><![CDATA[20140501]]></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[springs.
For long strokes and low thrusts (gate valve) helicoidal springs are preferred.
All selected springs are manufactured with special purpose materials and complete of surface coating for corro]]></description><pubDate><![CDATA[20110620]]></pubDate></item>
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<title><![CDATA[Ansi  Carbon  Stainless Steel Ball Valve 3-PCS Trunnion Type]]></title><link><![CDATA[https://yuanfeng711.en.ec21.com/Ansi_Carbon_Stainless_Steel_Ball--6007455_6007526.html]]></link><description><![CDATA[SPRING AISI 6150 17-7PH(INCONEL FOR NACE) Ni-Cr ALLOY 10 SEAT HOLDER ASTM A105/ENP F304 A105/ENP A105/ENP F304 F316 A105ENP 11 SEAT INSERT NYLON/R-PTFE 12 STEM ASTM A182F6 A182F6 A182F6 A182F6 A182CF]]></description><pubDate><![CDATA[20180629]]></pubDate></item>
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<title><![CDATA[Pressure Relief Valve(Pipe-away)]]></title><link><![CDATA[https://finekay.en.ec21.com/Pressure_Relief_Valve_Pipe_away--8590311_8591157.html]]></link><description><![CDATA[spring or weight loaded pallet in the valve housing. Pressure relief valves help provide increased fire protection and safety. The Model 8130 can also be used for in-line vacuum relief where flanged ]]></description><pubDate><![CDATA[20140606]]></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[Spring Loaded Packing Impacting System 
If being requested by the customer ,the Belleville spring loaded packing impacting system can be adopted for enhancing the durability and reliability of the pa]]></description><pubDate><![CDATA[20160709]]></pubDate></item>

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