Best Ceker Straight Tube Fittings in 2026

【Product Name】Straight Push-in Connect Fittings

【Material】Copper and Plastic

【Size】1/2" Tube OD x 1/2" NPT Thread，Notice - NPT Thread Size is a Nominal Pipe Size, and it Does Not represent the actual diameter

Type:1/2" Od x 3/8" NPT Male Push to Connect Fittings; Body Style: Male Straight

1/2 inch Tube Air Fittings Fluid Admitted: Air, Water (No Freezing)

3/8 Quick Connect Fittings Working Pressure:0-1.0mpa | 0-150psi; Proof Pressure:3.0Mpa | 435psi; Negative Pressure:-100Kpa | -29.5 In Hg

Type:6mm to 1/8" NPT Thread Push to Connect Air Fittings; Body Style: Male Straight,quick and Reliable connections; Fluid Admitted: Air, Water (No Freezing)

6mm push connect to 1/8 npt Fittings working Pressure:0-1.0mpa | 0-150psi; Proof Pressure:3.0Mpa | 435psi; Negative Pressure:-100Kpa | -29.5 In Hg; Applicable: Pipe PU/ PA/ PE/ PVC; Working Temperature: 0-60°C | 32～140°F

6mm push fittings Body and collar are made of Nylon 6.6, gripping ring is stainless steel, D seal and O-rings are Nitrile- corrosion resistance, ductility;The Stainless steel gripping ring ensures excellent tube retention while the D seal within the fitting provides a positive seal on the O.D. of the tube in both static and dynamic positions, due to an optimized design of the fitting cavity.

Type:1/2" Od x 1/2" NPT Thread Push to Connect Fittings; Body Style: Male Straight

1/2 inch tubing fittings Fluid Admitted: Air, Water (No Freezing)

1/2 npt push connect air brake Fittings Working Pressure:0-1.0mpa | 0-150psi; Proof Pressure:3.0Mpa | 435psi; Negative Pressure:-100Kpa | -29.5 In Hg

Type:1/4" Od x 1/8" NPT Thread Push to Connect Fittings; Body Style: Female Straight

1/4 inch Air line Fittings Fluid Admitted: Air, Water (No Freezing)

1/4 Quick Connect fittings Working Pressure:0-1.0mpa | 0-150psi; Proof Pressure:3.0Mpa | 435psi; Negative Pressure:-100Kpa | -29.5 In Hg

Type:3/8" Od x 3/8" NPT Thread Push to Connect Fittings; Body Style: Female Straight

3/8 inch Air line Fittings Fluid Admitted: Air, Water (No Freezing)

3/8 Quick Connect fittings Working Pressure:0-1.0mpa | 0-150psi; Proof Pressure:3.0Mpa | 435psi; Negative Pressure:-100Kpa | -29.5 In Hg

Type:1/4" Od x 1/8" NPT Thread Push to Connect Fittings; Body Style: Female Straight

1/4 inch Air line Fittings Fluid Admitted: Air, Water (No Freezing)

1/4 Quick Connect fittings Working Pressure:0-1.0mpa | 0-150psi; Proof Pressure:3.0Mpa | 435psi; Negative Pressure:-100Kpa | -29.5 In Hg

What You Get - 60 pieces fittings,12pcs for 1/4" fittings, 12pcs for 5/16" fittings, 12pcs for 3/8" fittings, 12pcs for 1/2" fittings,12pcs for 5/32" fittings, meeting your different needs.

Safe And Reliable Material - Made of high quality PU and plastic. High pressure resistant, can withstand strong pressure without tripping. Perfect for long term use. Push-in connector type: 5/32'', 1/4'', 5/16'', 3/8'', 1/2'', 5/32 for 4mm 6mm 8mm 10mm 12mm OD pipe.

Easy To Use - Simple push-in design attaches to the tube and provides a strong connection without additional sealing.

MATERIAL - Safe and reliable material. Energy-saving, pollution-free, low-cost. High pressure resistant and Non Tripping, all taper pipe threads are paint Teflon leakage-proof rubber, offering good seal property.

DURABLE - The body is Plastic/PE, stainless steel locking claw, NBR O-ring. Each fitting works well and they feel very solid and durable. Once applied, no worries or danger of tubing coming loose. High pressure resistance, can withstand strong pressure without tripping, so no tripping needed, can works for a long time.

CONVENIENCE - Quick Connect Fittings easy to install, flexible and space-saving, 360-degree rotate freely, Release rings adopt ellipse design, which can be removed conveniently.

Bulkhead Fitting Push Connector Type : 3/8 inch, Tube OD 3/8 inch NPT

Bulkhead Fitting Type: Push In Straight Male Connector; Body:Nickel Plated Brass Seal, O-Ring NBR;

Bulkhead Fitting Features: high pressure resistant and non tripping, all taper pipe threads are paint Teflon leakage-proof rubber, offering good seal property

✅[EXCELLENT MATERIAL]: Made of quality PU & plastic.High pressure resistance,can withstand strong pressure without tripping out

✅[PUSH TO CONNECT FITTING TYPE]: 1/2",3/8'',5/16'',1/4'', 5/32", fit for 12mm 10mm 8mm 6mm 4mm OD polyethylene pipe, PU/ PA/ PE/ PVC and nylon tube

✅[QUICK CONNECTION AND REMOVE]: Simple push in design for connecting to the tube and provide secure connection. It can be easily removed by pressing the release ring

Push fittings size: PC 5/16-NPT 1/8; material: nickel plated brass

Push to connect fitting working medium: compressed air, vacuum ( not other liquid); working pressure: 0-150 PSI/ 0-9.9kgf/cm2 (0-990kpa)

Push fitting negative pressure: -29.5 in Hg/ -750mm Hg; working temperature: 32-160℉ / 0-70℃; application of air tube: polyurethane and nylon tube

[Material] - Pneumatic Fittings Plug Made of plastic, light-weight and durable, easy to use.

[Dustproof and Protective] - Air pneumatic blanking plug has an anti-dust and protection function for your air hose.

[Quick Connection] - Provides easy and quick tubing connections with no special tools required.

SIZE:1/4 Inch Female Thread NPT to 1/4 Inch OD Tube Straight Connect

Applications: Apply to Reverse Osmosis Water System and Housing In Line Filters ETC

Package Quantity:5 pack

Made of high quality and durable material. Fine workmanship and easy to use.

No tools are needed, just insert the pipe into the bottom; when removing the pipe, you need to take out the fixed blue card; remove the pipe, press the piston to pull it out, and then pull it out.

What you get: 5pcs OD Quick Straight Connect Push In to Connect Water Tube Fitting Connector.

HVAC & Refrigeration tubing is measured by the outside diameter or O.D. of the pipe/tube. See description below for more details. Change your pipeline direction with our 90 Degree 99.9% Pure Copper Elbow Ideal for Potable Water, Air Conditioning, and Refrigeration Systems (both Residential and Commercial Systems

Copper to Copper Solder Piping Connection Fittings - 494 PSI Maximum Working Pressure - For Applications within a temperature range of -20° to 400°F

Lead-Free, Durable, & Low-Maintenance, Resists Corrosion & Scaling

1/4" tube straight quick connector check valve

Fits all water filter systems and RO system

Material: Polyethylene Plastic

【ALL SIZES INCLUDED】Included 10 sizes of outer diameter and Total 30pcs plastic Hose Barb Fittings, Hose Barb Fittings kit, Hose Barb Fittings assortment: 3Pcs 5/32"x5/32", 3Pcs 7/32"x7/32", 3Pcs 3/16"x3/16", 3Pcs 5/16"x5/16", 3Pcs 7/16"x7/16", 3Pcs 3/8"x3/8", 3Pcs 5/8"x5/8", 3Pcs 1/4"x1/4", 3Pcs1/2"x1/2", 3Pcs 3/4"x3/4". Almost all sizes are included to accommodate different pipe diameters.

【Material】 The 3/4"x3/4" barbed hose fittings are made of milky white PE (polyethylene) plastic, and other Hose Barb Fittings assortment are made of PP polypropylene plastic, they are durable, strong, water resistant, chemical-resistant materials to assure long life.

【Working Temperature & Pressure】 1. Translucent PP (polypropylene) temperature range: -22 °F to 284 °F. It is resistant to corrosion by acid, alkali, salt solution and various organic solvents below 176 °F, and can be decomposed under high temperature and oxidation. The melting point is 329 °F, and it softens at about 311 °F. 2. Milky white PE (polyethylene) temperature range: -76 °F to 197.6 °F. Melting point is 233.6°F.

6-type: Including cross, elbow, tee, straight, manifold, hand valves, meet your different needs.

Feature: Room-saving and flexible, the connect fittings are easy to install; 360-degree rotation is available.

Applications: Applied in automatic production equipment, such as packaging, electronics or machinery.

【Product Name】Straight Push-in Connect Fittings

【Material】Copper and Plastic

【Size】1/2" Tube OD x 1/4" NPT Thread，Notice - NPT Thread Size is a Nominal Pipe Size, and it Does Not represent the actual diameter