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<title><![CDATA[EC21 Product Catalogs - valve seat ring]]></title>
<link><![CDATA[https://www.ec21.com/ec-market/valve_seat_ring--2053/1/valve seat ring.html]]></link><item>
<title><![CDATA[Seat Ring: for Style FC(2K-15K) Manual Gate Valve]]></title><link><![CDATA[https://oilman2019.en.ec21.com/Seat_Ring_for_Style_FC--10961737_10961738.html]]></link><description><![CDATA[Material Specification: STELLITE 6#
API 6A,PSL 1-4
Temperature Ratings:K,L,P,S,T,U,V
Material Class:AA,BB,CC,DD-NL,EE-NL,FF-NL
API Designation HRC36~HRC45
Size:1&quot; - 6&quot; Inch
Working Pressure: 2.000-15]]></description><pubDate><![CDATA[20190528]]></pubDate></item>
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<title><![CDATA[F650 Series Cast Steel Check Valve]]></title><link><![CDATA[https://wtstwtvalve.en.ec21.com/F650_Series_Cast_Steel_Check--11759558_11759560.html]]></link><description><![CDATA[of the small gap on the pivot pin, a funnel tight seat seal can be achieved throughout the pressure range to ensure the integrity of the valve seat seal between the disc ring and the valve body.
]]></description><pubDate><![CDATA[20250305]]></pubDate></item>
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<title><![CDATA[Tilting Check Valve]]></title><link><![CDATA[https://leflowvalves.en.ec21.com/Tilting_Check_Valve--11930782_12039230.html]]></link><description><![CDATA[Valves
,also called butterfly check valve, is a cost-effective valve with a unique design that provides excellent tightness and minimizes water-hammering. It is designed for drinking water and other ]]></description><pubDate><![CDATA[20250124]]></pubDate></item>
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<title><![CDATA[HIFLUX - High Pressure 2-Way 3-way Trunnion Ball Valve]]></title><link><![CDATA[https://hiflux.en.ec21.com/HIFLUX_High_Pressure_2_Way--9343829_9200757.html]]></link><description><![CDATA[seat.
- O-ring Material : Viton
- Standard Material : SUS316
- Possible to check flow direction with handle position.
- Important information for ball valve.
- Designed to completely open or close.
-]]></description><pubDate><![CDATA[20250121]]></pubDate></item>
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<title><![CDATA[Globe Control Valve]]></title><link><![CDATA[https://controlvalves.en.ec21.com/Globe_Control_Valve--11947687_11947584.html]]></link><description><![CDATA[ring high-quality valves and control actuators designed to meet the diverse needs of various industries.
It consists of a movable disk (or plug) and a stationary ring seat in a globe-shaped body. By ]]></description><pubDate><![CDATA[20250106]]></pubDate></item>
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<title><![CDATA[Triple Offset Butterfly Valve]]></title><link><![CDATA[https://cnzpv.en.ec21.com/Triple_Offset_Butterfly_Valve--12025004_12025867.html]]></link><description><![CDATA[seatpath.
Offset 2
The shaft is placed to one side of the pipe/valve centerline to allow thedisplacement of the seal from the seat during the 90° opening.
Offset 3
The seat and sealcone centerlines ]]></description><pubDate><![CDATA[20241121]]></pubDate></item>
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<title><![CDATA[API6D Through Conduit Slab Gate Valve]]></title><link><![CDATA[https://chinawzipie.en.ec21.com/API6D_Through_Conduit_Slab_Gate--2593894_4047431.html]]></link><description><![CDATA[Through Conduit Slab Gate Valves: 
DBB design, Pilot Holes, Floating seats with PTFE rings.
Specifications:
1) Design: API6D
2) Test &amp; Inspection: API6D, API598
3) Face to Face: ANSI B16.10, API6D
4)]]></description><pubDate><![CDATA[20241016]]></pubDate></item>
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<title><![CDATA[ASTM B148 C95800 Trunnion Ball Valve]]></title><link><![CDATA[https://jscvalves123.en.ec21.com/ASTM_B148_C95800_Trunnion_Ball--11881854_11977807.html]]></link><description><![CDATA[ring a Two-Piece design, Full Bore configuration, Soft Seats, and RF Ends, they offer efficient flow control and excellent sealing.
Cast Bronze C95800 Trunnion Ball ValveValve description: Ball valve]]></description><pubDate><![CDATA[20240731]]></pubDate></item>
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<title><![CDATA[Floating Ball Valve]]></title><link><![CDATA[https://kairuitevalves.en.ec21.com/Floating_Ball_Valve--11933785_11974769.html]]></link><description><![CDATA[The ball in a floating ball valve is not fixed and can move freely. Under the influence of media pressure, the ball can shift to tightly press against the sealing surface at the outlet end, ensuring ]]></description><pubDate><![CDATA[20240725]]></pubDate></item>
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<title><![CDATA[Globe Control Valve]]></title><link><![CDATA[https://cncontrol.en.ec21.com/Globe_Control_Valve--11968077_11968079.html]]></link><description><![CDATA[A Globe Control Valve is a type of linear motion valve primarily used to regulate fluid flow in pipelines. It consists of a movable disk (or plug) and a stationary ring seat in a globe-shaped body. B]]></description><pubDate><![CDATA[20240713]]></pubDate></item>
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<title><![CDATA[Pneumatic/Electric/Manual Controlled Metallic O/V-Shaped Cut-Off Ball Valve(ZPR700)]]></title><link><![CDATA[https://zhipengvalve.en.ec21.com/Pneumatic_Electric_Manual_Controlled_Metallic--11948701_11948723.html]]></link><description><![CDATA[rings in the simple structure of the ball valve.
6. When fully open or closed, the ball and valve seat sealing surface effectively isolates the medium without causing erosion on the valve seat surfac]]></description><pubDate><![CDATA[20240608]]></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[BalI Valve]]></title><link><![CDATA[https://tj930927.en.ec21.com/BalI_Valve--11934999_11935018.html]]></link><description><![CDATA[valve wiII be able to complete the fulI open or closure 
actions．
3.Good sealing performance：the general use of balI valve seat 
ring,such as PTFE flexible materials,is easy to achieve sealing 
p]]></description><pubDate><![CDATA[20240511]]></pubDate></item>
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<title><![CDATA[Plastic Sealing Ball Valve Seat Design]]></title><link><![CDATA[https://flowindustrial.en.ec21.com/Plastic_Sealing_Ball_Valve_Seat--11923678_11923688.html]]></link><description><![CDATA[valve seat by press. The unique design which changed the traditional construction of locking rolling mode and clamp mode make the plug-in locked in groove. Then it reduces craft, ensuring dimensional]]></description><pubDate><![CDATA[20240411]]></pubDate></item>
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<title><![CDATA[CN81 Series Eccentric Rotary Control Valve]]></title><link><![CDATA[https://supconvalve.en.ec21.com/CN81_Series_Eccentric_Rotary_Control--11042359_11042360.html]]></link><description><![CDATA[valve, the one-piece, straight type runner body structure, the rotary center of the valve core is not concentric with the axis of rotation, can reduce the seat wear and prolong service life. Rotary C]]></description><pubDate><![CDATA[20200212]]></pubDate></item>
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<title><![CDATA[High Performance Butterfly Valve]]></title><link><![CDATA[https://haiyingvalve.en.ec21.com/High_Performance_Butterfly_Valve--11725077_11725079.html]]></link><description><![CDATA[valve is a double eccentric butterfly valve. For the dual eccentric structure, during the opening process, the disk gradually leaves the seat, and the friction between the sealing surface is reduced,]]></description><pubDate><![CDATA[20230210]]></pubDate></item>
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<title><![CDATA[Forged Trunnion Mounted Ball Valve]]></title><link><![CDATA[https://lyvalves.en.ec21.com/Forged_Trunnion_Mounted_Ball_Valve--11776594_11851862.html]]></link><description><![CDATA[Valve is designed with Double block and bleed or double piston type which is equipped with sealant injection system for both stem and seats to body cavity, so that it can drain from both upstream and]]></description><pubDate><![CDATA[20231009]]></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[ring reduces the friction torque of the valve stem, which can make the valve stem operate smoothly and flexibly for a long time.Sealing performance of the seat is good, the sealing ring made of polyt]]></description><pubDate><![CDATA[20231031]]></pubDate></item>
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<title><![CDATA[Double Orifice Air Release Valve Air Relief Valve]]></title><link><![CDATA[https://pipefittingcn.en.ec21.com/Double_Orifice_Air_Release_Valve--11550266_11552184.html]]></link><description><![CDATA[AIR RELEASE VALVE
No.
part name
material
standards
No.
part name
material
standards
1
body
ductile iron
EN1563-GJS-450
bs2789
12
O-ring
EPDM
EN681-1
BS2494
2
float guide
ABS
13
side body
ductile iron]]></description><pubDate><![CDATA[20220505]]></pubDate></item>
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<title><![CDATA[ISV08-22 Poppet 2-Way N.C. Solenoid Valve]]></title><link><![CDATA[https://valzoom.en.ec21.com/ISV08_22_Poppet_2_Way--11836037_11908384.html]]></link><description><![CDATA[Valve
A solenoid-operated, 2-way, normally closed, poppet-type, screw-in, hydraulic cartridge valve, designed to function as a load holding or blocking valve in applications requiring low internal le]]></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[valve is simple, the sealing ring is generally movable, and the disassembly and replacement are more convenient. When fully open or fully closed, the sealing surfaces of the ball and the valve seat a]]></description><pubDate><![CDATA[20210203]]></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[ring.
WORKING PRINCIPLE
The eccentric principle is that the stem shaft is both deviated from the valve body center,also deviated from the seat. The double eccentricity effect allows the butterfly pla]]></description><pubDate><![CDATA[20231111]]></pubDate></item>
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<title><![CDATA[2-way Ball Valves with SAE Connection]]></title><link><![CDATA[https://001019.en.ec21.com/2_way_Ball_Valves_with--11831368_11831373.html]]></link><description><![CDATA[valve body is made of steel and the ball seat is made of POM.O-rings are available in NBR or FPM.
Ball valve with SAE split flange adapter steel
BKH / BKHP-SAEFS
BKH-SAE-FS-210-13-1 1 2 3-*
a. BKH-SA]]></description><pubDate><![CDATA[20230808]]></pubDate></item>
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<title><![CDATA[Cold Expansion Ball Valve]]></title><link><![CDATA[https://carbovalve.en.ec21.com/Cold_Expansion_Ball_Valve--11603083_11657783.html]]></link><description><![CDATA[valve cover. This new OEM 
new ball valve is characterized in that: the valve seat is a single-end beveled valve seat, an expansion and contraction compensation structure including a spring. And a we]]></description><pubDate><![CDATA[20221017]]></pubDate></item>
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<title><![CDATA[3PC Floating Ball Valve]]></title><link><![CDATA[https://zjxyvalve.en.ec21.com/3PC_Floating_Ball_Valve--11895413_11895415.html]]></link><description><![CDATA[valves consist of three pieces, exhibiting robustness and high-pressure capabilities. Featuring a ball within the body for fluid regulation, the components include body, seat, ball disc, gasket, stud]]></description><pubDate><![CDATA[20240130]]></pubDate></item>
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<title><![CDATA[ASTM A216 WCB Butterfly Valve]]></title><link><![CDATA[https://bossealvalves.en.ec21.com/ASTM_A216_WCB_Butterfly_Valve--11755381_11807459.html]]></link><description><![CDATA[valve is constructed from ASTM A216 WCB material, ensuring excellent strength and corrosion resistance. Equipped with a CR13 overlay seat, it guarantees optimal sealing capabilities. Featuring a gear]]></description><pubDate><![CDATA[20230616]]></pubDate></item>
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<title><![CDATA[Swing Check Valve and Lift Check Vlave]]></title><link><![CDATA[https://frontvalve.en.ec21.com/Swing_Check_Valve_and_Lift--1320899_1320907.html]]></link><description><![CDATA[Product Description
Cast Steel and Cast iron Swing Check Valves
Standard compliance
1) Design and manufacture: API6D, ANSI B16.34, BS1868
2) Test and inspection: API598
3) Face to face dimensions: AN]]></description><pubDate><![CDATA[20140630]]></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_1968409.html]]></link><description><![CDATA[ring
Stainless steel
5. Disc Rubber
EPDM, VITON
6. Valve Seat
-
Bronze Ring
7. Center Rubber
NBR(25~80)
-
Soft Seal
EPDM(E)
-10&amp;#176;C ~+130&amp;#176;C
Viton(V)
-20&amp;#176;C ~+150&amp;#176;C
Dimension 
Size
mm]]></description><pubDate><![CDATA[20090102]]></pubDate></item>
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<title><![CDATA[Forged Globe Valve 800lb]]></title><link><![CDATA[https://suifengpiaobo.en.ec21.com/Forged_Globe_Valve_800lb--3991218_4086602.html]]></link><description><![CDATA[Part Name
CS to ASTM
AS to ASTM
SS to ASTM
NO.
Type A105
Type F22
Type F304(L)
Type F316(L)
1
Body
A105
A182 F22
A182 F304(L)
A182 F316(L)
2
Seat Ring
A276 420
A276 04
A276 304(L)
A276 316(L)
3
Wedge]]></description><pubDate><![CDATA[20141114]]></pubDate></item>
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<title><![CDATA[Flange Swing Check Valve]]></title><link><![CDATA[https://sioindustry.en.ec21.com/Flange_Swing_Check_Valve--4730032_4731384.html]]></link><description><![CDATA[Flange swing check valve, ANSI 150&amp; 300
High Quality Investment Casting Body/Cap
Flange: ANSI B 16.5 CLASS 150&amp;300, Face to Face: ANSI B 16.10
Materail: CF8M, CF8, WCB (CAST STEEL)
Bolted cover, swin]]></description><pubDate><![CDATA[20100909]]></pubDate></item>
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<title><![CDATA[Water Control Valve IWDXRF-900X]]></title><link><![CDATA[https://zhu1120123.en.ec21.com/Water_Control_Valve_IWDXRF_900X--5511270_5513426.html]]></link><description><![CDATA[Valve Brass ASTME C27400 6 Pressure Gauge 7 Ball Valve Brass ASTME C27400 MAIN VALVE: PARTS AND MATERIAL: No Part Name Material 1 BODY ASTM A126-B/A536, WCB, CF8, CF8M 2 SEAT Alloy Brass/Stainless St]]></description><pubDate><![CDATA[20120208]]></pubDate></item>
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<title><![CDATA[Class 150~1500 Cast Steel Gate Valves]]></title><link><![CDATA[https://carbonltd.en.ec21.com/Class_150_1500_Cast_Steel--5401829_5401830.html]]></link><description><![CDATA[CLASS 150~1500 CAST STEEL GATE VALVE
OS&amp;Y,Rising stem,Flexible Wedge
Bolted Bonnet,Threaded or welded seat ring
ASTM A216 WCB,A217 WC6,A351 CF8,A351 CF8M,
A351 CF3,A351 CF3M,A351 CN7M
Standards compl]]></description><pubDate><![CDATA[20220506]]></pubDate></item>
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<title><![CDATA[Water-Lever Valve]]></title><link><![CDATA[https://yuanfeng711.en.ec21.com/Water_Lever_Valve--5446584_5599057.html]]></link><description><![CDATA[VALVE:
PARTS AND MATERIAL:
1.Body ( ASTM A126-B/A536,WCB,CF8,CF8M )
2.SEAT ( Alloy Brass/Stainless Steel )
3.STEM ( 2CR13/SS304/SS316 )
4.DISC PLATE ( ASTM A126-B/A536,WCB,CF8,CF8M )
5.O-RING ( NBR/E]]></description><pubDate><![CDATA[20180629]]></pubDate></item>
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<title><![CDATA[Big Size Resilient Seated Gate Valve China]]></title><link><![CDATA[https://metalco602.en.ec21.com/Big_Size_Resilient_Seated_Gate--9654712_10246052.html]]></link><description><![CDATA[Main parts and material
No.
Parts name 
Material 
1
Valve body
Ductile Iron 
2
Disc 
Ductile Iron+EPDM
3
Stem 
Stainless Steel 
4
Bonnet Gasekt
EPDM .
5
Bonnet 
Ductile Iron
6
Sealing Ring
Silica Gal]]></description><pubDate><![CDATA[20230914]]></pubDate></item>
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<title><![CDATA[Cast Iron Ball Valve QJ41MF-16 High Temperature Ball Valve]]></title><link><![CDATA[https://yuanda698.en.ec21.com/Cast_Iron_Ball_Valve_QJ41MF--8883742_8883850.html]]></link><description><![CDATA[Valve
Main parts and materials:
Parts name
material
Body、Bonnet
Grey iron;ductile iron
Ball 
Grey iron ;Stainless steel
Stem 
Carbon steel ;Stainless steel
Seat ring 
PTFE+Carbon fiber
Gost Ball Va]]></description><pubDate><![CDATA[20240315]]></pubDate></item>
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<title><![CDATA[Cast Steel Globe Valve]]></title><link><![CDATA[https://aqabengineers.en.ec21.com/Cast_Steel_Globe_Valve--8962730_8962735.html]]></link><description><![CDATA[Valve operation is the perpendicular motion of the disk away from the seat. This ensures that the ring-shaped space between the disk and seat ring gradually close as the Valve is closed. 
This proper]]></description><pubDate><![CDATA[20140603]]></pubDate></item>
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<title><![CDATA[Globe Valve]]></title><link><![CDATA[https://tongchan123.en.ec21.com/Globe_Valve--10205322_10205374.html]]></link><description><![CDATA[DIN 3202 F1 Globe Valve 
Available medium: t-water steam; w-petroleum products
Working temperature: t-200℃ w-100℃
Face to face: DIN 3202 F1
Flange dimensions: DIN2533
Working pressure: PN16
Mater]]></description><pubDate><![CDATA[20180730]]></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[ring loaded packing impacting system can be adopted for enhancing the durability and reliability of the packing seal.water seal gate valve.Spiral wound gaskets 
Back Seating Design 
PAV valve. our ga]]></description><pubDate><![CDATA[20160709]]></pubDate></item>
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<title><![CDATA[Ultra Short Face-to-Face Dimension Electric Ball Valve]]></title><link><![CDATA[https://szbanyan.en.ec21.com/Ultra_Short_Face_to_Face--10654351_10654378.html]]></link><description><![CDATA[valve seat with PTFE seal ring has good seal performance, whose structure is easy to seal, and the seal capacity of ball valve increases with the increase of the medium pressure.
The seal performance]]></description><pubDate><![CDATA[20180129]]></pubDate></item>
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<title><![CDATA[API Flanged Gate Valve]]></title><link><![CDATA[https://nyvalve.en.ec21.com/API_Flanged_Gate_Valve--11004029_11004030.html]]></link><description><![CDATA[valve
Design Features:
Size:2″-56″
Pressure:Class150~2500
OS&amp;Y, rising stem ,outside screw and yoke
Flexible wedge gate valve ,solid wedge gate valve
BB,Bolted bonnet,Welded seat ring
Flange or B]]></description><pubDate><![CDATA[20220326]]></pubDate></item>
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<title><![CDATA[Plug Valve]]></title><link><![CDATA[https://valkorinc.en.ec21.com/Plug_Valve--10875161_10875327.html]]></link><description><![CDATA[block), and the media kept in the plug port area can be bled into upstream or to the container to prevent from explosion. The Valve can be used for assuring metering accuracy 
and SCADA systems]]></description><pubDate><![CDATA[20191219]]></pubDate></item>
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<title><![CDATA[Carbon Steel Fixed Ball Valve]]></title><link><![CDATA[https://aolongvalve1.en.ec21.com/Carbon_Steel_Fixed_Ball_Valve--10653671_10654949.html]]></link><description><![CDATA[seat to form a huge seal load. 
2, the sealing performance is reliable: PTFE single material seal ring is embedded in the stainless steel valve seat, the metal valve seat tail end has the spring, gua]]></description><pubDate><![CDATA[20180130]]></pubDate></item>
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<title><![CDATA[Butterfly Valves]]></title><link><![CDATA[https://sxsld.en.ec21.com/Butterfly_Valves--10635864_10636501.html]]></link><description><![CDATA[Valve
Features:
a) Body: cast iron, ductile iron
b) Metal seat and disc with EPDM O ring seal
c) Gear box operator
Wafer Butterfly Valve
Features: 
1) Size: 2&quot; - 24&quot; 
2) Standard: ANSI, BS, DIN, JIS ]]></description><pubDate><![CDATA[20200508]]></pubDate></item>
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<title><![CDATA[Worm Fully Welded Ball Valve]]></title><link><![CDATA[https://free123456789.en.ec21.com/Worm_Fully_Welded_Ball_Valve--10441583_10480409.html]]></link><description><![CDATA[valve seat is made up of PTFE+20%C sealing ring and metal sealing ,which can adapt to the change of pressure and temperature,So the leakage will not occur during the pressure and temperature range.
T]]></description><pubDate><![CDATA[20181120]]></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[China Valves For Sale
Body material: ASTM A105N or ASTM A182 F316
Severity Service
Normal soft-seated valve can not be used for abrasive service or for operation under high temperatures that prohibit]]></description><pubDate><![CDATA[20200424]]></pubDate></item>
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<title><![CDATA[Silencing Check Valve]]></title><link><![CDATA[https://kehuacasting68.en.ec21.com/Silencing_Check_Valve--11504544_11504555.html]]></link><description><![CDATA[valve flap opens; when the fluid flows in the opposite direction, the fluid pressure and the self-coincidence of the valve flap act on the valve seat, thereby cutting off the flow. It is not suitable]]></description><pubDate><![CDATA[20230512]]></pubDate></item>
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<title><![CDATA[A Professional Valve Spare Parts Supplier and Manufacturer]]></title><link><![CDATA[https://apimeivalve66.en.ec21.com/A_Professional_Valve_Spare_Parts--11754519_11841153.html]]></link><description><![CDATA[valve spare parts supplier and manufacturer
that specializes in providing wholesale valve parts at competitive prices. Our extensive product catalog includes API 6A valve seat seals, peek seal rings,]]></description><pubDate><![CDATA[20230904]]></pubDate></item>
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<title><![CDATA[Soft Seal Gate Valve]]></title><link><![CDATA[https://hcvalve1.en.ec21.com/Soft_Seal_Gate_Valve--11602168_11602171.html]]></link><description><![CDATA[valve on the market is easy to leak at the shaft seal of the valve stem, so it is impossible to replace the seal ring without water and at any opening. The elastic seated gate valve adopts novel stru]]></description><pubDate><![CDATA[20220713]]></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[Valve Stem: Made of hot rolled brass, high strength, good toughness, long-term use without deformation and fracture.Ball Seat: Made by pure PTFE(polytetrafluoroethylene), with high elasticity and wea]]></description><pubDate><![CDATA[20240130]]></pubDate></item>

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