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Push to Connect Fittings（Union, Unequal Dia.：Unequal Dia. Union Straight）

Quick connect fittings are couplings used when connecting tubes used as pneumatic equipment lines. They can be fastened just by inserting them into a tube of compatible size, and can be easily removed by pressing in a ring on the fitting opening. Quick connect fittings come in a number of different varieties. Examples include straight (having a male screw thread at the side connecting to the tube), female straight (having a female screw thread), elbow (having a male screw thread tilted at a 90-degree angle), union (having a tube fitting mechanism on both ends designed to connect 2 tubes together) and tee (having the outlets to the tubes branched into a T shape). Screw threads are made of different materials for different applications. There are quick-connect fittings that can be used for applications such as clean environments, food/chemicals, static electricity dispersal/charge prevention and powder spattering.

17 items

: 30; 45; 60

Days to Ship	All Same day 3 Days or Less 6 Days or Less 7 Days or Less 8 Days or Less 9 Days or Less 10 Days or Less 11 Days or Less 12 Days or Less 13 Days or Less

Tube Fitting Different Diameter Union Straight for Standard Pipe

Nihon Pisco

Many types of one-touch fittings for standard pipe.

[Features]
· One-touch fitting for general pneumatic pipes.
· Can change the take-off angle of the resin body after mounting.
· Various products available.
· Centralized piping is enabled.

Volume Discount

CAD ：

2D / 3D
Days to Ship: Same day or more

Show Stock Products
PushOne E Series Union Connector

Nitta

No jigs or tools are required for connecting tubes to this union connector. Degradation of the surface is minimal and elution of copper ions into liquid is also prevented.

Volume Discount

CAD ：

2D
Days to Ship: 8 Days or more

Show Stock Products
One-Touch Fitting KQ2 Series Different Diameter Straight KQ2H【5-10 Pieces Per Package】

SMC

A one-touch fitting used to connect tubing of different sizes.
[Features]
· A compact and lightweight fitting with improved tube insertion/removal.
· Accommodates metric-size and inch sized tubing (outer diameter.) The release button is available with either an ovular or round body shape.
· Requires little force when removing, preventing the chuck from biting too deeply into the tubing.
[See here for catalog]
· Applicable tube outer diameter (metric, Release button: oval (pp. 9) / circle (pp. 106)
· Applicable tube outer diameter (inches), Release button: oval (pp. 33) circle (pp. 138)
[Applications]
· Can be used for connecting tubes of different sizes.

Volume Discount

CAD ：

2D / 3D
Days to Ship: Same day or more

Show Stock Products
Touch Connector FUJI Different Diameter Union

Chiyoda

[Features]
· One-touch fitting with rotation lock ring that prevents full rotation of tube.
· Reducer union with plastic body.

Volume Discount

CAD ：

2D
Days to Ship: 8 Days or more
Chemifit C1 Series, Union Connector EUC-C1

Nitta

The EUC-C1 union connector is thoroughly processed not to use oil. Parts are cleaned and assembled in clean rooms and no oil or grease is used, even on the sealing material.

Volume Discount

CAD ：

2D
Days to Ship: 7 Days or more
New Joint GWS□□-0 Series

CKD

Push-in fitting for pneumatic piping. Compact size for space saving. Work environment and device-friendly flame-resistant white body.
Different diameter straight fitting.

Volume Discount

CAD ：

2D / 3D
Days to Ship: 8 Days or more
for Clean Environments, Tube Fitting Polypropylene Type, Different Diameter Union Straight

Nihon Pisco

[Features]
· Polypropylene Material used for Clean Environment
· EPDM used for Rubber Seal.
· Oil-Free
· Visible Fluid by Transparent Body Color.
· Clean-Room packaging Option.

Volume Discount

CAD ：

2D / 3D
Days to Ship: 6 Days or more
Tube Fitting for General Piping - Mini Type with Different Diameters Union Straight

Nihon Pisco

[Features]
· Ultra-small one-touch fitting for general pneumatic pipes.
· Reduced size with a volume ratio of 40% over the standard type.
· Elliptical release ring allows easy tube release.
· The 1.8 mm diameter type is an industry-first minimum one-touch type.
· Optimum for piping of small actuators, etc.
· Light gray types and clean room packaged types optionally available.
· Clean room packaging specifications define the use of fluorinated grease.
· After purification with clean air, the item is packaged in an ISO Class 6-equivalent clean room.

Volume Discount

CAD ：

2D / 3D
Days to Ship: 8 Days or more
for Corrosion Resistance, SUS304 Fitting, Different Diameters Union Straight

Nihon Pisco

[Features]
· This tube fitting serves best where strength is required or the atmosphere contains chemicals.
· Seal material is made of FKM.
· Metal unit is made of SUS304.

Volume Discount

CAD ：

2D / 3D
Days to Ship: 8 Days or more
for Corrosion Resistance, Corrosion Resistant SUS303 Equivalent Fitting, Different Diameters Union Straight

Nihon Pisco

No copper-based metal used. Also optimal for dealing with low-concentration ozone .

[Features]
· Perfect when additional strength is required for corrosive atmosphere applications.
· Metal body uses special stainless steel for which corrosion resistance is SUS303 equivalent (Cr19 - 21%, Mo1.5 - 2.5% stainless).
· Copper based metal is not used.
· HNBR has been utilized in the sealing rubber material in order to cope with low-concentration ozone.

Volume Discount

CAD ：

2D / 3D
Days to Ship: 13 Days or more
Touch Connector Five, Variable Diameter Union

Chiyoda

[Features]
· TCV is composed of only five components. Fewer-components lower the cost considerably.
· A solid resin body type is available in both male and elbow connector styles.
· A newly designed stainless-steel locking ring assures a complete tube connection
· A newly designed ring backing assures a complete seal.

Volume Discount

CAD ：

2D
Days to Ship: 8 Days or more
Junron One-Touch Fitting M Series (for General Piping) Reducing Union

Junkosha

[Features]
· Electroless nickel plating is as standard applied to metal parts.
· The nickel plating in all brass parts of M series nipples and plastic bodies is standardized.
· Color seal for seal identification.
· Each of the different types of R (PT) screws is coated with a different colored seal so they can be identified at a glance (PAT.NO.1820889).
· You can position the body in accordance with the removing direction of the tube.
・R (PT) screw parts of elbow/Tee and the resin joint part rotate allowing for free positioning according to the retrieval direction of the tube after the fitting has been mounted. Moreover, the screw can be tightened while the resin part is fixed.
▪ The tube grip comes with a rotating mechanism.
▪ The tube grip rotates smoothly in the fitting thus preventing the turning of the tube.

Volume Discount
Days to Ship: 8 Days or more
Push One A Series Union Connector

Nitta

No jigs or tools are required for connecting tubes to this union connector. The surface is resistant to degradation, preventing elution of copper ions.

Volume Discount

CAD ：

2D
Days to Ship: 8 Days or more
Push-in Fittings WP Series Different Diameter Union

Myotoku

[Features]
· Touch connector is made of only six parts.
· A newly designed lock ring assures a tight tube connection and smooth insertion.
· Tube can be inserted with light force. High airtight reliability
· Standard flame-resistant resin material PA and F/G (Polyamide).

Volume Discount
Days to Ship: 8 Days or more
Different Diameter Straight KAH Antistatic One-Touch Fitting【10 Pieces Per Package】

SMC

SMC One-Touch fitting.

[Features]
· One-touch fitting with antistatic prevention.
· One-touch IN/OUT connection.
· Can be used in a vacuum of -100 kPa.
· Can be used in copper-free applications.
· Flame resistant (equivalent to UL-94 Standard V-0)
· Conductive resin is used for body and seals in fittings and tubing.

[Applications]
· Used to connect different sized tubes.

Volume Discount

CAD ：

2D / 3D
Days to Ship: Quote
Metal Quick-Connect Fitting, KQB2 Series, Reducing Straight, KQB2H

SMC

Quick-connect fitting from SMC Corporation.
[Features]
・ Compact and weight reduced
・ Lubrication-free
·Fluid temperature: -5 to 150°C
[Applications]
・ Used for connecting tubes of different sizes

Volume Discount

CAD ：

2D / 3D
Days to Ship: 3 Days or more
Different Diameter Straight KGH One-Touch Fitting【2 Pieces Per Package】

SMC

SMC One-Touch fitting.
[Features]
· Stainless steel specifications for use in corrosive environments.
· SUS303 is used for metal parts.
· Suitable for use in CRT production lines where contact with copper must be avoided, as well as cleaning of food processing machines where water or salt water splashes.
· Suitable for use inside clean rooms where discoloration of copper materials and dust caused by corrosion must be avoided.
[Applications]
· Used to connect different sized tubes.

Volume Discount
Days to Ship: 3 Days

Days to Ship:	Same day or more

Days to Ship:	8 Days or more

Days to Ship:	Same day or more

Days to Ship:	8 Days or more

Days to Ship:	7 Days or more

Days to Ship:	8 Days or more

Days to Ship:	6 Days or more

Days to Ship:	8 Days or more

Days to Ship:	8 Days or more

Days to Ship:	13 Days or more

Days to Ship:	8 Days or more

Days to Ship:	8 Days or more

Days to Ship:	8 Days or more

Days to Ship:	8 Days or more

Days to Ship:	Quote

Days to Ship:	3 Days or more

Days to Ship:	3 Days


Brand
Product Series
CAD
Days to Ship
Type
Body Material
Seal Material
Thread Portion Material
Application
Applicable Fluid
Fitting Type
Screw Mounting, Direction
Elbows
Screw Mounting, Branch
Union, Equal Dia.
Union, Unequal Dia.
Sockets, Reducers
For Swivel Part, Rotation Part
Other Shapes
Branch A
Tube Size 1(φ)
Tube Size 2(φ)


Brand	Nihon Pisco	Nitta	SMC	Chiyoda	Nitta	CKD	Nihon Pisco	Nihon Pisco	Nihon Pisco	Nihon Pisco	Chiyoda	Junkosha	Nitta	Myotoku	SMC	SMC	SMC
Product Series	Tube Fitting Different Diameter Union Straight for Standard Pipe	PushOne E Series Union Connector	One-Touch Fitting KQ2 Series Different Diameter Straight KQ2H【5-10 Pieces Per Package】	Touch Connector FUJI Different Diameter Union	Chemifit C1 Series, Union Connector EUC-C1	New Joint GWS□□-0 Series	for Clean Environments, Tube Fitting Polypropylene Type, Different Diameter Union Straight	Tube Fitting for General Piping - Mini Type with Different Diameters Union Straight	for Corrosion Resistance, SUS304 Fitting, Different Diameters Union Straight	for Corrosion Resistance, Corrosion Resistant SUS303 Equivalent Fitting, Different Diameters Union Straight	Touch Connector Five, Variable Diameter Union	Junron One-Touch Fitting M Series (for General Piping) Reducing Union	Push One A Series Union Connector	Push-in Fittings WP Series Different Diameter Union	Different Diameter Straight KAH Antistatic One-Touch Fitting【10 Pieces Per Package】	Metal Quick-Connect Fitting, KQB2 Series, Reducing Straight, KQB2H	Different Diameter Straight KGH One-Touch Fitting【2 Pieces Per Package】
CAD	2D / 3D	2D	2D / 3D	2D	2D	2D / 3D	2D / 3D	2D / 3D	2D / 3D	2D / 3D	2D		2D		2D / 3D	2D / 3D
Days to Ship	Same day or more Show Stock Products	8 Days or more Show Stock Products	Same day or more Show Stock Products	8 Days or more	7 Days or more	8 Days or more	6 Days or more	8 Days or more	8 Days or more	13 Days or more	8 Days or more	8 Days or more	8 Days or more	8 Days or more	Quote	3 Days or more	3 Days
Type	One-Touch Couplings	One-Touch Couplings	One-Touch Couplings	One-Touch Couplings	One-Touch Couplings	One-Touch Couplings	One-Touch Couplings	One-Touch Couplings	One-Touch Couplings	One-Touch Couplings	One-Touch Couplings	One-Touch Couplings	One-Touch Couplings	One-Touch Couplings	One-Touch Couplings	One-Touch Couplings	One-Touch Couplings
Body Material	-	Flame Resistant Resin (UL94 V-0 equivalent)	Standard (PBT Polybutylene Terephthalate)	Others	PP Resin	Flame Resistant Resin (UL94 V-0 equivalent)	PP Resin	-	-	-	Standard (PBT Polybutylene Terephthalate)	Standard (PBT Polybutylene Terephthalate)	Flame Resistant Resin (UL94 V-0 equivalent)	PA Resin	Standard (PBT Polybutylene Terephthalate)	PP Resin	Standard (PBT Polybutylene Terephthalate)
Seal Material	-	H-NBR	Standard (NBR Nitrile Rubber )	Standard (NBR Nitrile Rubber )	EPDM Synthetic Rubber	Standard (NBR Nitrile Rubber )	EPDM Synthetic Rubber	-	-	-	Standard (NBR Nitrile Rubber )	Standard (NBR Nitrile Rubber )	H-NBR	Standard (NBR Nitrile Rubber )	Standard (NBR Nitrile Rubber )	Fluororubber	Standard (NBR Nitrile Rubber )
Thread Portion Material	-	Standard (Brass)	-	Standard (Brass)	PP Resin	-	-	-	-	-	No Thread	No Thread	Standard (Brass)	-	-	-	-
Application	Standard, Mini / Clean Environment	Standard, Mini	Standard, Mini	Standard, Mini	Standard, Mini / Clean Environment	Standard, Mini	Clean Environment / Food, Pharmaceutical Related	Standard, Mini / Clean Environment	Standard, Mini / Food, Pharmaceutical Related	Standard, Mini	Standard, Mini	Standard, Mini	Standard, Mini	Standard, Mini	Standard, Mini	Standard, Mini	Standard, Mini
Applicable Fluid	Water / Air	Water / Air	Water / Air	Air	Water / Air / Chemical, Solvent	Air	Water / Air / Chemical, Solvent / Mixed Gas	Air	Water / Air / Chemical, Solvent / Mixed Gas	Water / Air	Water / Air	Water / Air	Water / Air	Air	Air	Water / Air	Water / Air
Fitting Type	Union, Unequal Dia.	Union, Unequal Dia.	Union, Unequal Dia.	Union, Unequal Dia.	Union, Unequal Dia.	Union, Unequal Dia.	Union, Unequal Dia.	Union, Unequal Dia.	Union, Unequal Dia.	Union, Unequal Dia.	Union, Unequal Dia.	Union, Unequal Dia.	Union, Unequal Dia.	Union, Unequal Dia.	Union, Unequal Dia.	Union, Unequal Dia.	Union, Unequal Dia.
Screw Mounting, Direction	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Elbows	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Screw Mounting, Branch	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Union, Equal Dia.	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Union, Unequal Dia.	Unequal Dia. Union Straight	Unequal Dia. Union Straight	Unequal Dia. Union Straight	Unequal Dia. Union Straight	Unequal Dia. Union Straight	Unequal Dia. Union Straight	Unequal Dia. Union Straight	Unequal Dia. Union Straight	Unequal Dia. Union Straight	Unequal Dia. Union Straight	Unequal Dia. Union Straight	Unequal Dia. Union Straight	Unequal Dia. Union Straight	Unequal Dia. Union Straight	Unequal Dia. Union Straight	Unequal Dia. Union Straight	Unequal Dia. Union Straight
Sockets, Reducers	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
For Swivel Part, Rotation Part	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Other Shapes	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Branch A	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Tube Size 1(φ)	6 ～ 16	-	4 ～ 10	6 ～ 12	-	6 ～ 12	6 ～ 12	3 ～ 6.35	6 ～ 16	6 ～ 16	6 ～ 16	6 ～ 12	-	8 ～ 12	8	4 ～ 8	8
Tube Size 2(φ)	4 ～ 12.7	-	-	4 ～ 10	-	4 ～ 10	4 ～ 10	1.8 ～ 4	4 ～ 12	4 ～ 12	4 ～ 12	4 ～ 10	-	6 ～ 10	-	-	-

Configure

Stock

- Show Stock Products
Clear

Specification/Dimensions

Type
- One-Touch Couplings
- One-Touch Fitting Related Components
Clear

Body Material
- Standard (PBT Polybutylene Terephthalate)
- 316 Stainless Steel
- Stainless Steel303, Stainless Steel304
- PPS Resin
- PP Resin
- Static Dissipation Resin
- Flame Resistant Resin (UL94 V-0 equivalent)
- Brass
- PA Resin
- Others
Drawing

Clear

Seal Material
- Standard (NBR Nitrile Rubber )
- Fluororubber
- EPDM Synthetic Rubber
- H-NBR
- Others
Drawing

Clear

Thread Portion Material
- Standard (Brass)
- Stainless Steel303, Stainless Steel304
- PPS Resin
- PP Resin
- 316 Stainless Steel
- Others
- No Thread
Drawing

Clear

Application
- Standard, Mini
- Clean Environment
- Food, Pharmaceutical Related
- Static DissipationAntistatic
- Sputter Resistant
- Mold Temperature Adjustment
- Heat Resistant
- Low Temp. Resistant
Clear

Applicable Fluid
- Water
- Air
- Chemical, Solvent
- Mixed Gas
Clear

Fitting Type
- Screw Mounting, Direction
- Screw Mounting, Branch
- Union, Equal Dia.
- Union, Unequal Dia.
- SocketsReducers
- For Swivel Part, Rotation Part
- Other Shapes
Images

Clear

Screw Mounting, Direction
- Straight
- With Hex SocketStraight
- Elbows
- Female Straight
- Bulkhead Female Straight
Images

Clear

Elbows
- Long Elbows
- 45° Elbow
- Universal Elbows
- Universal Elbows with Hex Socket
- Female Elbows
- Female Universal Elbows
- Male Elbows
Images

Clear

Screw Mounting, Branch
- Tee
- Branch Tees
- Branch Y
- Branch Double Ys
- Branch A
- Branch Triple
- Branch triple double
- Tripod Elbows
- Branch Elbows
- Double Universal Elbows
- Triple Universal Elbows
Images

Clear

Union, Equal Dia.
- Union Straight
- Union Tees
- Union Elbows
- Union Y
- Partition Unions
- Partition Unions P
- Bulkhead Union Elbow
- Tripod Union
- Union A
- Cross A
- Manifolds
Images

Clear

Union, Unequal Dia.
- Unequal Dia. Union Straight
- Unequal Dia. Union Tee
- Unequal Dia. Double Ys
- Unequal Dia. Union Y
- Unequal Dia. Triple
- Unequal Dia. Triple Double
- Cross B
- Cross C
Images

Clear

Sockets, Reducers
- Reducers
- Socket Elbows
- Unequal Dia. Socket Elbow
- 45° Socket Elbow
- LongSocket Elbow
- Branch UnionsY
- Branch Unions, Triple
- Branch UnionsDouble Y
- Others
Images

Clear

For Swivel Part, Rotation Part
- Rotary Joints Straight
- Rotary Joints Elbow
- High Rotary Joints Straight
- High Rotary Joints Elbow
Images

Clear

Other Shapes
- Nipples
- Unequal Dia. Nipples
- Unequal Dia. Sockets
- PT Jacks
- Cap
- Plugs
- Others
Images

Clear

Branch A
- Double Branch A
- Triple Branch A
- Female Branch A
Images

Clear

Metric / Inch
- metric
Clear

Tube Size 1(φ)
1/8"

5/32"

3/16"

1/4"

5/16"

3/8"

1/2"

1.8

10

12

12.7

14

15.88

16

3

3.175

3.2

3.97

4

4.5

4.76

5.5

6

6.1

6.3

6.35

7

7.5

7.94

8

8.5

9.525

9.53
Applicable Tube O.D.1>2>3
Clear