Nik-San Pipefit Engineering Co.

Sizes: 1/2" to 48"

Class: 150 LBS, 300 LBS, 600 LBS, 800 LBS, 900 LBS, 1500 LBS

Type: Gate, Globe, Check, Butterfly, Ball, Knife Edge Gate, Plug, Diaphragm, Steam Jacketed Plug

• Nik-San Pipefit Engineering Co. is manufacturing and supply of Needle Valves as under:
• Inlet Connection Size :- 1/4″, 3/8″, 1/4 Npt, 3/8 Npt, 1/2 Npt, 6 Mm, 12 Mm
• Outlet Connection Size :- 1/4″, 3/8″, 1/4 Npt, 3/8 Npt, 1/2 Npt, 6 Mm, 12 Mm
• Materials Of Construction :- Stainless Steel, Monel, Duplex, Super Duplex, Hasteloy, Carbon Steel, 6mo, Titanium, Incoloy 825, Incoloy 625
• Maximum Operating Pressure :- 3000, 6000, 10000, 15000 PSI
• Flow Coefficient 1 :- 35 Standard CV
• Minimum Operating Temperature :- -54 °C -65 °F
• Maximum Operating Temperature :- +538 °C +1000 °F
• Seat Material :- Metal/Metal
• Packing Material :- PTFE
• Mounting Option :- Base Mount

• Size: 1/2" to 4" (DN25-DN200)
• Thread: NPT PT BSPP G
• Connection : Welded, Socket, Clamped, Flanged, Threaded
• Pressure Class: PN10/ 16

The stainless steel non-return valve is used to make a flow of liquid or gases go in one direction within a circuit and completely close the flow in the other direction. It is made entirely of STAINLESS STEEL.

Data sheet:

• Disc check valve.
• Threaded ends per ASME B 1.20.1
• Made of stainless steel-304 / 316 CF8M
• CF8M stainless steel spring
• Metal-metal closure
• PN-16
• Temperature -20 / 200ºC

• Corrosion resistance: Stainless steel is highly resistant to corrosion, making SS NRV valves suitable for applications involving corrosive fluids or harsh environments.
• Durability and longevity: Stainless steel valves are known for their durability and ability to withstand high pressure and temperature variations, ensuring a long service life.
• Hygiene: Stainless steel is easy to clean and does not harbor bacteria, making it a preferred choice for applications in the food and beverage, pharmaceutical, and water treatment industries where maintaining hygiene is critical.
• Automatic operation: Most NRV valves operate automatically without the need for manual intervention or external controls.
• Prevents backflow: The primary function of an NRV valve is to prevent backflow, protecting pumps and other equipment from damage caused by reverse fluid flow.
• Reduces water hammering: NRV valves can help prevent water hammering, a phenomenon where rapid changes in fluid flow cause pressure surges that can damage piping systems. 

• Swing Check Valve: Uses a disc that pivots to stop reverse flow.
• Lift Check Valve: Employs a piston or ball that rises for flow and drops to block it.
• Wafer Check Valve: A compact design for tight spaces, fitted between flanges.
• Ball Check Valve: Uses a ball to create a seal against a seat, allowing flow in one direction.

• Pumping Systems: To prevent reverse flow and protect pumps.
• Water Control Systems: To prevent contamination and maintain flow direction.
• HVAC Systems: To ensure correct flow direction.
• Industrial Processes: Including chemical, oil and gas, and manufacturing, to prevent backflow of liquids, gases, and slurries.
• Hygienic Industries: Such as dairy, food & beverages, pharmaceutical, and chemical industries, to maintain cleanliness and prevent contamination.

• Material grade: Grades 304 and 316 are common, with 316 offering better corrosion resistance for harsher environments.
• Pressure and temperature ratings: Ensure the valve can handle the specific conditions of your application.
• Size and connection type: Verify compatibility with your piping system.
• Flow rate: Consider the valve's capacity to avoid pressure issues. 

• Corrosion resistance: Stainless steel is highly resistant to corrosion, making SS NRV valves suitable for applications involving corrosive fluids or harsh environments.
• Durability and longevity: Stainless steel valves are known for their durability and ability to withstand high pressure and temperature variations, ensuring a long service life.
• Hygiene: Stainless steel is easy to clean and does not harbor bacteria, making it a preferred choice for applications in the food and beverage, pharmaceutical, and water treatment industries where maintaining hygiene is critical.
• Automatic operation: Most NRV valves operate automatically without the need for manual intervention or external controls.
• Prevents backflow: The primary function of an NRV valve is to prevent backflow, protecting pumps and other equipment from damage caused by reverse fluid flow.
• Reduces water hammering: NRV valves can help prevent water hammering, a phenomenon where rapid changes in fluid flow cause pressure surges that can damage piping systems. 

• Swing Check Valve: Uses a disc that pivots to stop reverse flow.
• Lift Check Valve: Employs a piston or ball that rises for flow and drops to block it.
• Wafer Check Valve: A compact design for tight spaces, fitted between flanges.
• Ball Check Valve: Uses a ball to create a seal against a seat, allowing flow in one direction.

• Pumping Systems: To prevent reverse flow and protect pumps.
• Water Control Systems: To prevent contamination and maintain flow direction.
• HVAC Systems: To ensure correct flow direction.
• Industrial Processes: Including chemical, oil and gas, and manufacturing, to prevent backflow of liquids, gases, and slurries.
• Hygienic Industries: Such as dairy, food & beverages, pharmaceutical, and chemical industries, to maintain cleanliness and prevent contamination.

• Material grade: Grades 304 and 316 are common, with 316 offering better corrosion resistance for harsher environments.
• Pressure and temperature ratings: Ensure the valve can handle the specific conditions of your application.
• Size and connection type: Verify compatibility with your piping system.
• Flow rate: Consider the valve's capacity to avoid pressure issues. 

• Corrosion resistance: Stainless steel is highly resistant to corrosion, making SS NRV valves suitable for applications involving corrosive fluids or harsh environments.
• Durability and longevity: Stainless steel valves are known for their durability and ability to withstand high pressure and temperature variations, ensuring a long service life.
• Hygiene: Stainless steel is easy to clean and does not harbor bacteria, making it a preferred choice for applications in the food and beverage, pharmaceutical, and water treatment industries where maintaining hygiene is critical.
• Automatic operation: Most NRV valves operate automatically without the need for manual intervention or external controls.
• Prevents backflow: The primary function of an NRV valve is to prevent backflow, protecting pumps and other equipment from damage caused by reverse fluid flow.
• Reduces water hammering: NRV valves can help prevent water hammering, a phenomenon where rapid changes in fluid flow cause pressure surges that can damage piping systems. 

• Swing Check Valve: Uses a disc that pivots to stop reverse flow.
• Lift Check Valve: Employs a piston or ball that rises for flow and drops to block it.
• Wafer Check Valve: A compact design for tight spaces, fitted between flanges.
• Ball Check Valve: Uses a ball to create a seal against a seat, allowing flow in one direction.

• Pumping Systems: To prevent reverse flow and protect pumps.
• Water Control Systems: To prevent contamination and maintain flow direction.
• HVAC Systems: To ensure correct flow direction.
• Industrial Processes: Including chemical, oil and gas, and manufacturing, to prevent backflow of liquids, gases, and slurries.
• Hygienic Industries: Such as dairy, food & beverages, pharmaceutical, and chemical industries, to maintain cleanliness and prevent contamination.

• Material grade: Grades 304 and 316 are common, with 316 offering better corrosion resistance for harsher environments.
• Pressure and temperature ratings: Ensure the valve can handle the specific conditions of your application.
• Size and connection type: Verify compatibility with your piping system.
• Flow rate: Consider the valve's capacity to avoid pressure issues. 

• Valson 1/4 Inch SS 304 Check Valve (NRV)
  • Size: 1/4 inch
  • End connection: Screwed female thread
• Valson 1/2 Inch SS 304 Check Valve (NRV)
  • Size: 1/2 inch
  • End connection: Screwed female thread
• Valson 3/4 Inch SS 304 Check Valve (NRV)
  • Size: 3/4 inch
  • End connection: Screwed female thread 

• Valson 1/4 Inch SS 304 Check Valve (NRV)
  • Size: 1/4 inch
  • End connection: Screwed female thread
• Valson 1/2 Inch SS 304 Check Valve (NRV)
  • Size: 1/2 inch
  • End connection: Screwed female thread
• Valson 3/4 Inch SS 304 Check Valve (NRV)
  • Size: 3/4 inch
  • End connection: Screwed female thread 

• SS 304 Disc Check Valve (DCV) 15mm / 1/2 inch | Non Return Valve: Suitable for applications in chemical, food processing, pharmaceuticals, and power generation industries.
  • Stainless steel grade: SS 304.
  • Performance: Features a spring-loaded disc to prevent reverse flow and has a space-efficient, compact design.
• SS 304 Disk Check Valve (Non Return Valve) (15mm (1/2 Inch)): Similar to the above, this model is a disc check valve recommended for a variety of industries.
  • Stainless steel grade: SS 304.

• Material Grades: Most commonly manufactured from ASTM A216 WCB (carbon steel), but also available in low-temperature carbon steel (LCB), alloy steel (WC6, WC9), and various grades of stainless steel (CF8, CF8M).

• Pressure Ratings: Available in standard ASME/ANSI classes ranging from Class 150# to Class 2500#, as well as PN10 to PN40 ratings.

• Design Standards: Typically manufactured according to BS 1873, ASME B16.34, or API 600 standards to ensure safety and performance reliability.
• End Connections: Most models feature flanged ends for easy installation, but butt weld, socket weld, or screwed ends are also available for different piping requirements. 

• Material Grades: Typically available in 304 or 316 stainless steel. 304 is durable and corrosion-resistant, while 316 offers superior resistance to aggressive chemicals and saltwater.
• Pressure Ratings: Commonly rated for standard industrial use up to 3000 PSI or 6000 PSI, with specialized high-pressure versions reaching 10,000 PSI to 20,000 PSI.
• Temperature Range: Generally suitable for media temperatures between -54°C to 260°C, though high-temperature models can reach up to 648°C with specialized graphite packing.
• Connection Types: Available with various ends, including NPT/BSP threaded, double ferrule compression, and flanged connections.

Carbon Steel, Stainless Steel, Cast Steel, Alloy Steel, Cast Iron, Ductile iron

Sizes: 1/2" to 48"

Class: 150 LBS, 300 LBS, 600 LBS, 800 LBS, 900 LBS, 1500 LBS

Type: Gate, Globe, Check, Butterfly, Ball, Knife Edge Gate, Plug, Diaphragm, Steam Jacketed Plug

Carbon Steel, Stainless Steel, Cast Steel, Alloy Steel, Cast Iron, Ductile iron

Sizes: 1/2" to 48"

Class: 150 LBS, 300 LBS, 600 LBS, 800 LBS, 900 LBS, 1500 LBS

Type: Gate, Globe, Check, Butterfly, Ball, Knife Edge Gate, Plug, Diaphragm, Steam Jacketed Plug

Sizes: 1/2" to 48"

Class: 150 LBS, 300 LBS, 600 LBS, 800 LBS, 900 LBS, 1500 LBS

Type: Gate, Globe, Check, Butterfly, Ball, Knife Edge Gate, Plug, Diaphragm, Steam Jacketed Plug

• Body Material: Typically high-grade cast iron (e.g., IS:210 Gr.FG200) for strength and basic corrosion resistance.
• Disc Materials: Often made of Stainless Steel (AISI 304/316) or Ductile Iron with epoxy coating to prevent damage and reduce torque.
• Seating: Resilient seats made of EPDM (for water), Nitrile (NBR) (for air/oil), or PTFE (for chemicals) provide bubble-tight sealing.
• Pressure Ratings: Standard ratings include PN10 and PN16 (approximately 150-232 PSI).
• Operating Mechanisms: Available with a manual hand lever for smaller sizes (usually up to 150mm) or a gearbox for larger sizes to handle higher torque.

• Body and Materials: Most commonly manufactured from carbon steel (ASTM A216 WCB) for general industrial use, or stainless steel (CF8, CF8M) for corrosive environments.
• Rising Stem Design: Features an "Outside Screw and Yoke" (OS&Y) design where the stem rises as the valve opens, providing a clear visual indication of whether the flow is open or closed.
• Full Bore Flow: When fully open, the gate is lifted entirely out of the flow path, ensuring an unobstructed flow and reducing turbulence and pressure loss.
• Bonnet Types: Includes bolted bonnets for standard pressure ratings and pressure seal bonnets for extreme high-pressure applications where internal pressure helps seal the joint.

Carbon Steel, Stainless Steel, Cast Steel, Alloy Steel, Cast Iron, Ductile iron

Sizes: 1/2" to 48"

Class: 150 LBS, 300 LBS, 600 LBS, 800 LBS, 900 LBS, 1500 LBS

Type: Gate, Globe, Check, Butterfly, Ball, Knife Edge Gate, Plug, Diaphragm, Steam Jacketed Plug

Carbon Steel, Stainless Steel, Cast Steel, Alloy Steel, Cast Iron, Ductile iron

Sizes: 1/2" to 48"

Class: 150 LBS, 300 LBS, 600 LBS, 800 LBS, 900 LBS, 1500 LBS

Type: Gate, Globe, Check, Butterfly, Ball, Knife Edge Gate, Plug, Diaphragm, Steam Jacketed Plug