PFA Lined Swing Check Valve | FEP ptfe coated Stop ...

FEP ptfe coated Wafer Check Valve and pfa coated Two Way Return Valve manufacturer in India

PTFE Check Valve is a type of check valve that is used to control the fluid flow rate inside the piping system. The check valves allow for the liquid to flow only in one direction. When backflow is attempted the valve closes automatically. The ptfe lined swing check valve is one type of check valve that has a swing to control the flow and the interior of the valve is coated with PTFE synthetic polymer. There are different types of check valves such as the swing, disc and ball check valves. Each differs from the other in the means of controlling the flow. The ptfe lined ball check valves are coated with the polymer inside so that the erosion and corrosion by the liquid inside is minimized. The core material used for the manufacturing of the valves stays intact from the inner environment of the valves.

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PFA Lined Swing Check Valve

FEP ptfe coated Wafer Check Valve

pfa coated Two Way Return Valve

PFA Cast Iron Swing Check Valve Manufacturers In India, View ptfe check valve 1/4 Dimensions

There are different types of materials used for the production of the valves such as ductile iron, carbon steel, cast iron and other material types. The sizes of the PFA Check Valve vary according to the different standards they are made up of.

 

What is PTFE Check Valve?

The standards govern the valves from ½ inches through 48 inches and above for special purpose applications. The pressure range is from PN10 through PN16. The pfa lined check valve is used in water lines, oil and gas transmission lines, waste water management systems and in petroleum applications to regulate and check the flow only in one direction.

Specification List of PTFE Check Valve

Seal Material PTFE/ PFA Working Pressure 1.6 – 6.4Mpa Working Temperature

-29°C — +180°C

Availabe Size 1/2″-4″,(DN15-DN100) Available Connection BSP/ BSPT/ NPT/ Flanged/ Welded Nominal Pressure P10/PN16 Operation Manual,Pneumatic, Electric Suitable Medium Water,Sewage,Seawater,Gas,Food,Oils,etc Standards GB9112,DIN2501,BS4504,ISO2084,ANSI125 Applications Water, Oil, Gas, Nominal Diameter

DN40-DN300 handle lever
DN350-DN1200 gear box

Operation Temperature -10°C~150°C

Installation of PTFE Lined Check Valve

• When Installed Vertically (or upto 60° angle) check valve close automatically because of centre guided ball.
• When Installed Horizontally (90° to 60°), the valve close automatically if the back flow related to water is 1.5 – 2.5 m/sec.
• Full Bore when valve is opened. i.e. Low Pressure Drop condition.

Standard Scope Of Supply of PTFE Lined Check Valve

NO. Description MOC 1. Body With Lining Ductile Iron GGG40.3, ASTM A216 Gr. WCB (FEP Lined) † 2. Solid Ball PTFE 3. Bolt M.S 4. Nuts M.S

Salient Features PTFE Lined Check Valve

• Extremely Effective in preventing backflow or back pressure in Vertical Installation.
• Full Size Port for maximum capacity.
• Practically 100% Maintenance Free due to presence of single moving part.
• Fully Lined Design to eliminate surface contact which gives maximum corrosion & contamination resistance

Leading PTFE LINED Bronze ASTM B62 Swing Valve Suppliers, Refer PFA lined ASTM A217 Gr. WC6 Double Check Valve Price List

Technical Specifications MS PTFE Check Valve

• Flange : As per ANSI B16.5 / B16.42
• Drilling : ASA #150 /DIN 2632/33 / BS 10 TABLE D, E, F
• Face to Face : ANSI B16.10 / DIN 3202/BS EN 558-1&2
• Lining Thickness : 3 to 5 mm
• Testing Standard : BS 6755 (Part 1)

Body Material Options of PTFE Lined Check Valve

• Ductile Iron GGG40.3 / ASTM A395
• Cast Steel ASTM A216 Gr.WCB
• ASTM A351 Gr. CF8 / S.S.304
• ASTM A351 Gr. CF8M / S.S.316

PTFE Check Valve Material Options

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• PFA – ASTM D 3307
• FEP – ASTM D 2116
• ETFE – ASTM D 3159
• PVDF – ASTM D 3322

PFA Lined Swing Check Valve Types

PFA Cast Iron Swing Check Valve

pfa lined ASTM A217 Gr. WC6 Double Check Valve

pfa coated Stainless Steel Wafer Check Valve

FEP ASTM A351 CF8M Stop Check Valve

fep ptfe coated Carbon Steel Silent Check Valve

PTFE LINED Bronze ASTM B62 Swing Valve

Dimensional Data PTFE Lined Check Valve

ANSI #150 FLANGED RF SIZE L@(mm) ØD(mm) Pressure toSeat (PSI)$ DN15-1/2” 108 35 40 $DN20-3/4” 120 35 27 DN25-1” 127 51 19 DN40-1 1/2” 165 73 19 DN50-2” 178* 92 18 DN80-3” 203* 127 15 DN100-4” 228* 157 15 DN150-6” 406 216 11 DN200-8”€ 495 270 Consult Factory DN250-10” 622 322 Consult Factory

PTFE Check Valve Test & Inspection Data

• Hydraulic Test : Body – 15 Kg/Cm2, Back Seat – 2 Kg/Cm2(Leakage Rate D)
• Spark Test : 15 K.V. D.C

We are leading stockist of fep ptfe coated Carbon Steel Silent Check Valve, View Weight Chart of PFA coated Stainless Steel Wafer Check Valve

PFA lining check valve Specification

• Y TYPE [45°] BALL CHECK DESIGN
• HORIZONTAL INSTALLATION KIT

Design Characteristics of PFA Lined Check Valve

• Temperatur range up to 150°C (Type GLOBUS) / 130°C (Type GLOBUS-SG)
• Borosilikat sightglass for visual function control (Type GLOBUS-SG)
• FFEP or PFA lining (3 m min.)

PFA Lined Check Valve Special materials

• Carbon Steel 1.0619 / ASTM A216 WCB
• Stainless steel 1.4308 / ASTM A351 CF8M
• Unalloyed stainless steel casting (low Temp.) 1.1138 / LCC/LCB / A352

Technical Specifications of Lined Ball Check Valve

• 1) Design Standard : As per Manufacturer’s Standard
• 2) Testing Standard : BS 6755 (Part 1)
• 3) Size Range : 15 mm to 200 mm
• 4) Flange : As per ANSI B16.5 / B16.42
• 5) Drilling : ASA #150 /DIN 2632/33 / BS 10 TABLE D, E, F
• 6) Face to Face : ANSI B16.10 / DIN 3202/BS EN 558-1&2
• 7) Lining Thickness : 3 to 5 mm

Ready stock of FEP ASTM A351 CF8M Stop Check Valve in Wide sizes, Stockholder of ptfe seat check valve

Technical Data of PFA Lined Check Valve

• Size Range - 1”NB to 20”NB
• Pressure Range - 0 to 6 Bar
• Temperature Range - -60LC to +200LC
• Body Material - S.G. Iron (NOD CI) / WCB / CF8 / CF8M / CD4MCu + Lined
• Lining Material - FEP / PFA / PVDF / Ceramic / Antistatic PFA Lining
• Spark Test - Thick liner 100% Inspected at 20 KVA

Specific Requirements for Installing Fully Welded Ball Valves in Underground Pipelines

2024-04-29

The installation requirements of fully welded ball valves in underground pipelines are crucial, as the unique characteristics of the underground environment pose higher demands on the performance and safety of the valves. Proper installation not only ensures the normal operation of the valves but also prolongs their service life and enhances the safety and reliability of the pipeline system. The following are the specific requirements for installing fully welded ball valves in underground pipelines: 1. Selecting the appropriate valve type When installing fully welded ball valves in underground pipelines, it is necessary to choose the appropriate valve type based on the operating conditions and fluid characteristics of the pipeline system. Fully welded ball valves, with advantages such as simple structure and reliable sealing, are suitable for high-pressure, high-temperature, and corrosive fluid applications in pipeline systems. 2. Underground burial depth consideration When installing fully welded ball valves, it is imperative to consider the depth of underground burial. Typically, the burial depth of underground pipelines should comply with relevant standards and specifications to ensure the valves are positioned securely while facilitating maintenance and operation. 3. Corrosion protection measures The dampness of the underground environment and the presence of chemicals in the soil can lead to corrosion and damage to valves. Therefore, when installing fully welded ball valves, it is necessary to implement appropriate corrosion protection measures. This includes selecting valves manufactured from corrosion-resistant materials and applying corrosion-resistant coatings to the valves to extend their service life. 4. Sealing performance requirements Fully welded ball valves in underground pipeline systems must possess excellent sealing performance to prevent fluid leakage and contamination of groundwater sources. During installation, it is imperative to ensure that the valve's sealing components are intact and properly installed to ensure that the sealing performance meets design requirements. 5. Consideration of groundwater level fluctuations Fluctuations in groundwater levels may affect the operational status and safety of fully welded ball valves. When selecting installation locations, it is essential to consider the range of groundwater level fluctuations and implement corresponding waterproofing measures to prevent groundwater from affecting the valves. 6. Regular inspection and maintenance The underground environment has a significant impact on fully welded ball valves; therefore, regular inspection and maintenance of the valves are essential. Inspection tasks include assessing the sealing performance of the valves, checking the condition of moving parts, evaluating the effectiveness of corrosion protection measures, and promptly addressing any issues to ensure the safe operation of the valves. When installing fully welded ball valves in unde...

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