ナスコフィッティング List of Products and Services

The "Nas Union MV Type" is a copper pipe fitting equipped with a special opening and closing valve at the socket and plug section, which prevents gas leakage from the equipment even when the fitting is removed. During the relocation or maintenance of air conditioning units, it allows for piping connections while keeping the refrigerant gas charged. To connect the fitting body, secure the plug body and tighten the flare nut on the socket side to the specified torque until it contacts the end of the plug, and the connection is complete. 【Features】 ■ Easy connection, reducing installation burden ■ Excellent valve sealing performance ■ Operating temperature range: -30°C to 120°C *For more details, please refer to the documentation. Feel free to contact us with any inquiries.

• Piping materials (copper pipes, cast iron pipes)

The "SRV Type Non-Leak Coupler" is equipped with a stop valve mechanism in both the socket and plug, allowing for easy connection simply by inserting the plug. When the plug is inserted, both valves slide to open and close, resulting in minimal liquid accumulation at the valve section and reducing liquid dripping during disconnection. With a compact design that minimizes outer diameter, it can be integrated into equipment and is also suitable for maintenance connections to the "water cooling circuits" of electronic devices. 【Features】 ■ Non-leak valve structure that minimizes liquid dripping ■ Compact design allows for piping within equipment ■ Effective in fields that dislike liquid dripping, such as electronic devices and semiconductor manufacturing * A comprehensive catalog featuring this product and various fluid fittings is currently available. You can view it via "PDF Download." Please feel free to contact us for inquiries.

• others

The connection of the "Auto Seal Clamp with Automatic Disengagement Mechanism" is made with a simple one-touch operation by just inserting the workpiece. It has a built-in disengagement cylinder mechanism within the main body, and when compressed air is supplied to the air connection port at the end of the work, the workpiece is automatically detached through air-driven operation. Since the conventional manual removal of the workpiece is performed automatically, the removal process can be significantly reduced, leading to increased productivity. 【Features】 ■ One-touch connection ■ Built-in disengagement cylinder mechanism in the main body ■ Multiple seal clamps can be attached to the panel, allowing inspection of multiple workpieces at once ■ Automatic removal reduces the work process significantly ■ Contributes to increased productivity For more details, please refer to the catalog or feel free to contact us.

• Piping Equipment
• Fittings

The "ITP Type Inner Seal Clamp" is an effective inner seal clamp when there are many uncertainties regarding the surface roughness of the seal area on the outer diameter of the workpiece, and sealing can only be reliably achieved on the inner wall. The connection involves inserting the sealing member into the inner wall of the workpiece, activating the pneumatic cylinder, and the sealing member presses against the inner surface of the inner wall, completing the locking and sealing process. This is effective when connection to the outer diameter is not possible due to outer diameter regulations or when the workpiece is too complex to clamp. 【Features】 ■ Provides stable sealing on the inner surface ■ Pneumatic operation ■ Made of elastic sealing rubber material ■ Good sealing performance as the sealing member conforms to the surface roughness ■ Effective for complex workpieces that cannot be clamped For more details, please refer to the catalog or feel free to contact us.

• Piping Equipment
• Fittings

The "OTP Type Peripheral Seal Clamp" is a seal clamp that uses a sealing rubber material installed inside the main body, which is pressed against the workpiece by a pneumatic cylinder, sealing and locking while closely adhering to the outer peripheral surface of the workpiece. Connection is made by inserting the main body into the workpiece and using air pressure to activate the pneumatic cylinder, which holds the workpiece securely in place. The workpiece can also be automatically released, and by incorporating a release cylinder inside the main body, the workpiece can be automatically removed upon completion of the task. 【Features】 ■ Pneumatic operation ■ Large compression width of the sealing rubber material - Allowable connection range of ±1.5mm relative to the standard workpiece dimensions ■ Can be used interchangeably if the shapes are the same ■ Automatic release of the workpiece is possible For more details, please refer to the catalog or feel free to contact us.

• Piping Equipment
• Fittings

The "expansion pipe" is a seal clamp that connects with a single touch just by inserting it into the workpiece. The sealing part seals against the end face of the expansion section or the inner wall of the base pipe. The sleeve is equipped with a safety lock pin guide groove, allowing for safe use even under high pressure. 【Features】 ■ Connects with a single touch just by inserting it into the workpiece ■ The sealing part seals against the end face of the expansion section or the inner wall of the base pipe ■ Equipped with a safety lock pin guide groove for safe use even under high pressure For more details, please refer to the catalog or feel free to contact us.

• Piping Equipment
• Fittings

The "Bulge Pipe" is a seal clamp that connects with a single touch just by inserting it into the workpiece. Both end face seals and O-ring implementations are possible for the sheet surface. 【Features】 ■ Can be connected with a single touch just by inserting it into the workpiece ■ Both end face seals and O-ring implementations are possible for the sheet surface For more details, please refer to the catalog or feel free to contact us.

• Piping Equipment
• Fittings

The "Flare Hex Union" is a seal clamp that connects with a simple one-touch insertion into the workpiece. The hex union end is securely locked with a ball lock. The flare seat surface can be safely used with a pressure-type sealing packing. 【Features】 ■ One-touch connection by simply inserting into the workpiece ■ Secure locking of the hex union end with a ball lock ■ Safe use of the flare seat surface with a pressure-type sealing packing For more details, please refer to the catalog or feel free to contact us.

• Piping Equipment
• Fittings

The "RCM type" is a screw lock type seal clamp that connects with a single touch by simply pressing against the screw part, and the ratchet claw of the main body firmly grips the connection screw fitting for a secure connection. Since the ratchet claw is pressed parallel to the connection screw part, there is minimal misalignment of the screw fitting, allowing for a smooth connection. The opening of the ratchet claw does not exceed the outer diameter of the clamp during screw connection, making it usable in tight spaces. 【Features】 ■ One-touch connection to unified screw parts ■ Ratchet claw firmly grips the connection screw fitting ■ Minimal misalignment of the screw fitting allows for smooth connection ■ Opening of the ratchet claw does not exceed the outer diameter of the clamp ■ Usable in tight spaces For more details, please refer to the catalog or feel free to contact us.

• Piping Equipment
• Fittings

The "PSL Type Seal Clamp" allows you to insert a pipe and press down the hand lever, which causes the internal locking mechanism to grip the outer surface of the pipe, completing the locking and sealing process. The locking mechanism employs a collet chuck method, which strongly compresses the outer side of the pipe to lock it, demonstrating excellent pressure retention capability under high pressure. The hand lever operation seals the side of the pipe with an O-ring inside the main body while simultaneously sealing the end face of the pipe, creating a double sealing mechanism. 【Features】 ■ Clamps straight pipes with a strong locking mechanism that has excellent pressure retention capability ■ Utilizes a collet chuck method for the locking mechanism ■ Demonstrates pressure retention capability under high pressure ■ Provides stable airtightness with a double sealing mechanism For more details, please refer to the catalog or feel free to contact us.

• Piping Equipment
• Fittings

The "PSA type" is a lever-lock seal clamp that exhibits stable sealing performance due to its peripheral seal. When a workpiece is inserted and the hand lever is lowered, the sealing component built into the main body presses against the outer peripheral surface of the workpiece, providing high sealing performance through locking and sealing. An adjustment mechanism is included to maintain sealing performance by compensating for the wear of the sealing component, allowing for adjustments to the sealing component. 【Features】 ■ Lever-lock seal clamp ■ Stable sealing performance with peripheral seal ■ Equipped with an adjustment mechanism to protect sealing performance ■ Adjustable sealing component For more details, please refer to the catalog or feel free to contact us.

• Piping Equipment
• Fittings

The "BCSW type" is an arm-type sealing clamp that attaches sealing members to both ends of the main body and seals both ends of the workpiece with a single operation. By pushing the slide cylinder in the axial direction, the piston locks the workpiece, providing excellent stability during operation. It uses a manual cylinder system, allowing the piston to lock in a constant position without the need for air. There is also an automatic release type that utilizes pneumatic pressure. 【Features】 ■ Seals both ends with a single operation due to side sealing on both sides ■ Excellent stability of the workpiece during operation ■ Manual cylinder system ■ Locks in a constant position without using air ■ Also available in an automatic release type utilizing pneumatic pressure For more details, please refer to the catalog or feel free to contact us.

• Piping Equipment
• Fittings

The "BCS type" is an arm-type seal clamp that locks the workpiece by pressing the front slide cylinder while inserting the workpiece from the side. It can be instantly released by pulling the front operation sleeve towards you. For complex-shaped workpieces or when the workpiece does not easily secure, the structure that locks the workpiece from both sides ensures reliable locking and sealing even when a load is applied to part of the workpiece. 【Features】 ■ Clamps the workpiece with stable holding power ■ Manual cylinder system (hand cylinder type) ■ Fixes and locks the workpiece in a constant position without using pneumatic pressure ■ Instant release by pulling the sleeve towards you ■ Structure that locks the workpiece from both sides For more details, please refer to the catalog or feel free to contact us.

• Piping Equipment
• Fittings

The "KTC type" is a claw seal clamp with a claw lock structure that securely connects complex-shaped workpieces or workpieces with restrictions on clamping locations. Due to the claw lock structure that does not put strain on the workpiece, it clamps without damaging the workpiece. It absorbs variations in the workpiece with the claw and piston, providing stable clamping force even for irregularly shaped workpieces. By incorporating an automatic release mechanism, the extraction of workpieces can be done automatically. 【Features】 ■ Claw lock structure ■ Reliable clamping even for complex-shaped workpieces ■ Can clamp without damaging the workpiece ■ Provides stable clamping force even for irregularly shaped workpieces ■ Automation of workpiece extraction possible with automatic release mechanism For more details, please refer to the catalog or feel free to contact us.

• Piping Equipment
• Fittings

The "RCSA type" is a seal clamp for resin hose fittings that allows for one-touch connection simply by inserting it into the workpiece. By using a resin locking component that does not scratch the workpiece, it minimizes damage and connects with a soft touch. The adoption of a pressure amplification conversion function that converts test pressure into sealing pressure ensures more reliable sealing. There is also a stop valve mechanism that prevents leakage of the liquid inside during disconnection (special order item). 【Features】 ■ One-touch connection ■ Soft touch connection with resin locking component ■ Reliable sealing with pressure amplification conversion function ■ Gentle holding power ■ Available with stop valve mechanism For more details, please refer to the catalog or feel free to contact us.

• Piping Equipment
• Fittings

The "BLWC type (for fuel)" is a ball lock seal clamp that allows for one-touch connection simply by inserting it into the workpiece. The "fuel seal clamp" comes in a V-type that either has no stop valve structure or has a built-in valve mechanism that activates instantly when disengaged, preventing fluid leakage. 【Features】 ■ One-touch connection ■ Ball lock seal clamp ■ Available in types without stop valve structure and with built-in valve mechanism ■ Stable holding power For more details, please refer to the catalog or feel free to contact us.

• Piping Equipment
• Fittings

The "BLWC type (for water)" is a seal clamp for hose fittings that allows for one-touch connection simply by inserting it into the workpiece. The locking method with the workpiece features a ball lock structure that offers good detachability. It maintains stable locking performance due to its double lock structure, which locks at two points on the workpiece. To prevent disconnection due to accidental operation during connection, a safety lock mechanism is also available. 【Features】 ■ One-touch connection ■ Ball lock structure with good detachability ■ Double lock structure that locks at two points on the workpiece ■ Stable locking performance ■ Safety lock mechanism to prevent disconnection due to accidental operation is also available For more details, please refer to the catalog or feel free to contact us.

• Piping Equipment
• Fittings

The "Seal Clamp" is a labor-saving device that allows for easy connection and sealing to the inspection target (workpiece) in the inspection processes of various products in the automotive and HVAC industries, transitioning from traditional screw-in or flange-fixed methods to a one-touch connection that simply inserts into the workpiece. Due to its structure that applies sealing pressure, it experiences minimal wear on rubber materials such as gaskets, and its diverse clamp designs ensure reliable locking and sealing. 【Features】 ■ One-touch connection ■ High airtight performance ■ Minimal wear and consumption of sealing materials ■ Reliable locking and sealing with a variety of clamp structures For more details, please refer to the catalog or feel free to contact us.

• Piping Equipment
• Fittings

The "FTS type (for male threads) and MTS type (for female threads)" are hand-tightening seal clamps with a pressure amplification conversion function, which strongly presses the seal part's end, demonstrating advanced sealing capability. By hand-tightening the threaded part lightly, the sealing packing makes light contact with the sealing part at the end of the threaded section, completing the tightening process. Since the tightening rotation is limited to around 3 threads, numerous screwing operations are unnecessary, reducing labor effort. 【Features】 - No need for a wrench; can be screwed in by hand - Reduced labor effort with fewer tightening operations - Equipped with a pressure amplification conversion function - Demonstrates advanced sealing capability - Swivel function to prevent co-rotation of hoses, etc. (on the sealing side) For more details, please refer to the catalog or feel free to contact us.

• Piping Equipment
• Fittings

The "One-Thread Clamp MTG Type" is a one-touch sealing clamp specifically designed for male threads. It connects by pressing the screw clamp against the opposing male thread, and the internal ratchet pawl strongly engages with the opposing threaded fitting, completely securing and sealing the screw. Since the opening of the ratchet pawl does not exceed the outer diameter of the clamp during the threaded fitting, it can be used safely without any snagging in tight spaces. 【Features】 ■ Dedicated sealing clamp for male threads ■ Can be connected with one touch ■ Stable clamping force ■ Can be connected in tight spaces ■ Ensures reliable sealing performance For more details, please refer to the catalog or feel free to contact us.

• Piping Equipment
• Fittings

The "Menji Clamp FTG Type" is a one-touch sealing clamp specifically designed for male threads, where the main ratchet claws strongly engage with the opposing threaded fitting, securing and sealing the threaded section. By simply inserting a screw into the opposing male thread and lightly pressing it, the claws expand, allowing for a one-touch connection. By lightly pressing down on the sleeve at the rear, the engaged threaded section can be instantly released, enabling quick disconnection. 【Features】 ■ Dedicated screw clamp for male threads ■ One-touch connection ■ Quick disconnection ■ Reliable sealing performance ■ Equipped with a pressure amplification mechanism For more details, please refer to the catalog or feel free to contact us.

• Piping Equipment
• Fittings

The "Nasufitter" is a bandless fitting for connecting blade hoses, such as food-grade PVC blade hoses. To connect, simply insert the hose into the nipple part of the fitting and tighten the tightening nut until it contacts the end of the fitting body. Moreover, the locking component connected to the tightening nut seals while strongly pressing against the outer surface of the hose, ensuring that if tightened securely, a higher level of locking and sealing performance is achieved. 【Features】 ■ Easy hose installation ■ Reliable locking and sealing performance ■ Easy connection to equipment when using a coupler ■ No need for troublesome hose clamps ■ Connection can be made simply by tightening the nut For more details, please refer to the catalog or feel free to contact us.

• Piping Equipment
• Fittings

The "NC Type Nas Cup Mini" is a compactly designed inline joint that minimizes outer diameter and overall length, making it space-efficient for installation. Both the socket and plug are equipped with a stop valve mechanism, preventing fluid leakage to the outside during disconnection. With a variety of connection types available, including female threads, fluororesin hoses, PVC blade hoses, and stainless steel pipes, it can accommodate diverse applications. 【Features】 ■ Compact and dual valve type ■ Compact design ■ High flow structure valve ■ Compatible with various connections, including different types ■ Suitable for a wide range of applications For more details, please refer to the catalog or feel free to contact us.

• Piping Equipment
• Fittings

The "Nasumaruchi Coupler" allows for the simultaneous connection of multiple tubes by connecting several tubes to the socket and plug sides for the supply of air to multiple core cylinders, such as resin molding molds and die-casting molds. It is a connector that makes unit replacement easy due to equipment separation, movement, or failure. 【Features】 ■ Consolidates multiple pneumatic circuits ■ Connects circuits simultaneously ■ One-touch coupler ■ MR type has no tube fittings ■ Easy unit replacement due to equipment separation, movement, or failure For more details, please refer to the catalog or feel free to contact us.

• Piping Equipment
• Fittings

The "MTCV type" is a multi-port pneumatic tube connector that allows for the simultaneous one-touch connection of multiple tubes in complex pneumatic circuits, such as pneumatic control equipment, with a single operation. By attaching electrodes, it enables the simultaneous connection and disconnection of electrical circuits, such as electrical signals and relays, making it easy to change work processes. It is equipped with connection guide pins to prevent incorrect connections, ensuring the accuracy of circuit connections. 【Features】 ■ Simultaneous one-touch connection of multiple pneumatic circuits ■ Built-in automatic opening and closing valve in the socket part ■ No fluid leakage during disconnection ■ Possible installation of electrode contacts on the plate ■ Connection guide pins ensure the accuracy of circuit connections For more details, please refer to the catalog or feel free to contact us.

• Piping Equipment
• Fittings

The "NSY type" is a fitting that incorporates high-performance valves with low pressure loss for both socket and plug. It can be used for a wide range of applications, from connections for water, steam, and oil to cooling piping for molds. When the plug is inserted into the socket, both valves open, allowing fluid to flow instantly. Additionally, when separated, an automatic opening and closing valve operates to prevent fluid from leaking externally. 【Features】 ■ Automatic opening and closing valves built into the socket and plug ■ Large flow rate valve structure with lower pressure loss than conventional types ■ Easy attachment and detachment of couplers ■ Ideal for mold cooling applications ■ Versatile For more details, please refer to the catalog or feel free to contact us.

• Piping Equipment
• Fittings

The "NS-SP type" is a dual-valve coupling equipped with automatic opening and closing bubbles in both the socket and plug. When separated, the opening and closing bubbles activate, preventing fluid from leaking externally, making it a highly versatile fluid connector suitable for use across various industries. Additionally, the operating sleeve features a wide flange, making it easy to attach and detach the coupler. 【Features】 ■ Highly versatile ■ Dual bubble type for medium pressure ■ Automatic opening and closing valves built into both socket and plug ■ Easy attachment and detachment of the coupler ■ High-performance, large flow type with low pressure loss also available For more details, please refer to the catalog or feel free to contact us.

• Piping Equipment
• Fittings

The bandless fitting Nasfitter for blade hoses is a fitting that connects to hoses such as PVC blade hoses. To connect, simply insert the hose into the nipple part of the fitting and tighten the fastening nut until it contacts the end of the fitting body. Additionally, the locking component connected to the fastening nut seals while strongly pressing against the outer surface of the hose, ensuring that a secure tightening provides higher locking and sealing performance. 【Features】 ○ Easy hose installation ○ Reliable locking and sealing performance ○ Easy connection to equipment when using a coupler ○ No hose clamp required ○ Freely selectable based on the piping location used For more details, please contact us or download the catalog.

• Piping and insulation
• Fittings

The "Seal Clamp" is equipped with a function that allows for one-touch connection and sealing. By simply inserting the seal clamp into the object being inspected (workpiece), it clamps any connection target in various industries with a single touch! 【Features】 〇 High airtightness! → It has a piston-type pressure amplification structure that converts the test pressure during use into sealing pressure. → To ensure a reliable seal with strong pressure at the sealing part, it prevents leaks caused by insufficient pressure in conventional pressing-type seals! 〇 Reduces wear and tear on sealing materials! → Instead of fixing and crimping rubber materials like sealing gaskets at the sealing part, it uses a structure that applies sealing pressure, minimizing the wear of rubber materials like gaskets!

• Sanitary fixtures

The multi-tube connector can simultaneously connect multiple tubes in one operation to complex air circuits, such as pneumatic control devices, and can attach electrodes! This allows for the simultaneous connection of electrical circuits, such as electric signals and relays, with air circuits, making it easy to change the setup of work processes. It is a multi-port pneumatic tube connector. 【Features】 〇 Multiple pneumatic circuits can be connected at once with a single touch. 〇 The socket part is equipped with an automatic opening and closing valve, preventing fluid from leaking outside during disconnection.

• Wiring devices

The "Dual Valve NS-SP Type Coupling" is equipped with automatic opening and closing valves in both the socket and the plug! When separated, the opening and closing valves operate, preventing fluid from leaking externally, making it a highly versatile fluid coupling that can be widely used across various industries! 【Features】 〇 When the plug is inserted into the socket, both valves open and fluid flows instantly. 〇 Since both the socket and the plug are equipped with automatic opening and closing valves, there is no leakage of fluid to the outside during separation. 〇 The operation sleeve used when attaching the plug has a wide flange for ease of operation, allowing for easier detachment of the plug compared to conventional methods.

• Piping Equipment