Pneumatic Fittings – Hongmi Pneumatic Co., Ltd.

Quick-Tight vs Push-to-Connect Pneumatic Fittings Guide

Quick-Tight and push-to-connect fittings can perform many of the same routing jobs, including straight tube connection, threaded port connection, 90-degree direction change, branching, tube-size reduction and panel mounting. Their similar model shapes do not mean that the two families should be mixed without review. Installation structure, body construction, dimensions, thread options and published operating scope must be checked at the product level. This guide compares standard push-to-connect models with the HOMIPNEU KL Quick-Tight range. It does not assume that one connection family is universally better. The correct choice is the one that matches the approved tube, thread, material, drawing, operating conditions, assembly method and maintenance plan. What Push-to-Connect Means A standard push-to-connect fitting accepts a prepared tube through a release collar and holds it with an internal gripping and sealing structure. For example, the PC male straight push-to-connect fitting lists a stainless steel lock claw, O-ring or PTFE sealing, nickel-plated brass, and PU or nylon tubing. The tube can be released after the circuit is depressurized by pressing the collar and pulling the tube straight out. Push-to-connect describes the tube…

Views: 97 2026-07-28

Pneumatic Fitting Shapes: A Machine Layout Selection Guide

Selecting a pneumatic fitting begins with the route that compressed air must follow. Tube size and thread matter, but the wrong connector shape can still create sharp tube bends, obstruct nearby components, complicate panel access, or add unnecessary joints. A useful layout therefore starts by identifying what each connection must do: enter a port, extend a tube, turn a corner, split a supply, change tube size, cross a panel, isolate a line, or regulate exhaust flow. This guide compares the main fitting shapes available in the HOMIPNEU pneumatic fittings range. It focuses on machine layout and service access rather than treating every connector as an interchangeable air fitting. Start with the Connection Task Layout Task Typical Shape Representative Model Main Check Connect tube to an equipment port Male straight PC Tube OD, thread and installation height Extend a tube run Straight union PU Equal tube outside diameter Change tube size inline Straight reducer PG Both tube sizes and downstream flow Turn from a threaded port Male elbow PL Port clearance and tube direction Clear an obstruction Extended male elbow PLL…

Views: 97 2026-07-28

C Type Quick Fittings Explained: Complete Series Guide

Pneumatic quick fittings are small components, but their connection geometry determines how easily an air circuit can be assembled, routed, serviced, and expanded. A straight union cannot replace a threaded elbow, an equal tee cannot perform the same job as a reducing tee, and a standard connector cannot provide the adjustment function of a throttle valve. This guide compares 17 HOMIPNEU push-to-connect fitting models selected from the current pneumatic fitting range. It covers tube-to-tube connectors, threaded adapters, branch fittings, panel connections, and an adjustable airflow fitting. For a broader overview before comparing specific models, see our guide to pneumatic fitting types. What the C Type Selection Scope Includes The products in this guide share a practical purpose: connecting PU or nylon tube in compressed-air systems with quick installation. Their product pages state air as the operating fluid, a working pressure range of 0 to 1.0 MPa, and a temperature range of 0 to 60 degrees C. Depending on the exact model, the connection may be tube-to-tube, tube-to-thread, or panel mounted. Nine linked pages explicitly identify the product as part of…

Views: 122 2026-07-24

PB Pneumatic Male Thread Tee Fitting

Specification Parameters Operating Fluid Air Type Pneumatic Fittings Proof Pressure 1.32 MPa (13.5 kgf/cm²) Max. Operating Pressure 0~0.9 MPa (0~9.2 kgf/cm²) Ambient & Fluid Temperature 0~60°C Applicable Tubing PU Tube, Nylon Tube Model ΦD×2 E B ΦP×2 A R H PB4-M5 4 21.5 36 11 3.5 M5 10 PB4-01 4 25 36 11 7 R1/8 10 PB4-02 4 26 36 11 8 R1/4 14 PB6-M5 6 23.5 40 13 3.5 M5 12 PB6-01 6 27 40 13 7 R1/8 12 PB6-02 6 28 40 13 8 R1/4 14 PB6-03 6 29 40 13 9 R3/8 17 PB6-04 6 30.5 40 13 10 R1/2 21 PB8-01 8 29 44 15 7 R1/8 14 PB8-02 8 30 44 15 8 R1/4 14 PB8-03 8 31 44 15 9 R3/8 17 PB8-04 8 32.5 44 15 10 R1/2 21 PB10-01 10 32 52 18.5 7 R1/8 17 PB10-02 10 33 52 18.5 8 R1/4 17 PB10-03 10 34 52 18.5 9 R3/8 17 PB10-04 10 35.5 52 18.5 10 R1/2 21 PB12-01 12 34 56 21 7 R1/8 19 PB12-02 12 35 56…

Views: 282 2026-07-14

PLM Push-to-Connect Bulkhead Elbow Air Fitting

Specification Parameters Operating Fluid Air Type Pneumatic Fittings Proof Pressure 1.32 MPa (13.5 kgf/cm²) Max. Operating Pressure 0~0.9 MPa (0~9.2 kgf/cm²) Ambient & Fluid Temperature 0~60°C Applicable Tubing PU Tube, Nylon Tube Model ØD1 ØD2 B E M H1 H2 ØP PLM-4 4 4 36.5 18 M12×1 14 14 11 PLM-6 6 6 40.5 20 M14×1 17 15 13 PLM-8 8 8 43.5 22 M16×1 19 17 15 PLM-10 10 10 48.5 26 M20 × 1 24 21 18.5 PLM-12 12 12 50.5 28 M22× 1 27 24 21 Key Features 90° elbow + bulkhead combined structure Tube routing through panel with direction change Push-to-connect quick installation Secure panel mounting with locking nut Leak-proof sealing with O-ring Applications Pneumatic control panels Industrial automation systems Air distribution pipelines Machinery equipment Robotics and assembly lines Widely used in pneumatic systems requiring panel-through installation, 90-degree tube routing, and compact layout optimization. Product Function PLM fittings are designed to route pneumatic tubing through panels while simultaneously changing direction by 90°, reducing the need for additional fittings and simplifying system layout. 👉 Simple comparison: PC…

Views: 221 2026-07-14

PEG Reducing Tee Pneumatic Fitting Push-to-Connect Connector

Specification Parameters Operating Fluid Air Type Pneumatic Fittings Proof Pressure 1.32 MPa (13.5 kgf/cm²) Max. Operating Pressure 0~0.9 MPa (0~9.2 kgf/cm²) Ambient & Fluid Temperature 0~60°C Applicable Tubing PU Tube, Nylon Tube Model ØD1 ×2 ØD2 B ØPx3 E PEG6-4 6 4 40 13 19 PEG8-6 8 6 44 15 21.5 PEG8-4 8 4 44 15 21 PEG10-8 10 8 52 18.5 25 PEG10-6 10 6 52 18.5 25 PEG12-10 12 10 56 21 27.5 PEG12-8 12 8 56 21 26.5 PEG14-12 14 12 62 23 30 PEG14-10 14 10 62 23 30 PEG16-14 16 14 66 25.5 32.5 PEG16-12 16 12 66 25.5 32 Color options available: Key Features T type reducing tee (unequal diameter connection) Push-to-connect quick installation Airflow branching with size conversion Leak-proof sealing with O-ring Suitable for PU and nylon tubing Applications Pneumatic automation systems Air compressor pipelines Industrial machinery Tube size conversion systems Multi-branch air distribution systems Widely used in pneumatic systems requiring simultaneous airflow branching and tube size reduction in compact piping layouts. Product Function PEG fittings are designed to split airflow into two directions…

Views: 219 2026-07-14

PLL Pneumatic Extended Male Elbow Fitting

Specification Parameters Operating Fluid Air Type Pneumatic Fittings Proof Pressure 1.32 MPa (13.5 kgf/cm²) Max. Operating Pressure 0~0.9 MPa (0~9.2 kgf/cm²) Ambient & Fluid Temperature 0~60°C Applicable Tubing PU Tube, Nylon Tube Model ΦD E B ΦP A R H PLL4-M5 4 18 36.5 11 3.5 M5 10 PLL4-01 4 18 40 11 7 R1/8 10 PLL4-02 4 18 41 11 8 R1/4 14 PLL6-M5 6 20 38.5 13 3.5 M5 12 PLL6-01 6 20 42 13 7 R1/8 12 PLL6-02 6 20 43 13 8 R1/4 14 PLL6-03 6 20 44 13 9 R3/8 17 PLL6-04 6 20 45.5 13 10 R1/2 21 PLL8-01 8 22 44 15 7 R1/8 14 PLL8-02 8 22 45 15 8 R1/4 14 PLL8-03 8 22 46 15 9 R3/8 17 PLL8-04 8 22 47.5 15 10 R1/2 21 PLL10-01 10 26 47 18.5 7 R1/8 17 PLL10-02 10 26 48 18.5 8 R1/4 17 PLL10-03 10 26 49 18.5 9 R3/8 17 PLL10-04 10 26 50.5 18.5 10 R1/2 21 PLL12-01 12 28 49 21 7 R1/8 19 PLL12-02 12 28…

Views: 217 2026-07-14

PU Straight Union Fitting Push-to-Connect Tube Connector

Specification Parameters Operating Fluid Air Type Pneumatic Fittings Proof Pressure 1.32 MPa (13.5 kgf/cm²) Max. Operating Pressure 0~0.9 MPa (0~9.2 kgf/cm²) Ambient & Fluid Temperature 0~60°C Applicable Tubing PU Tube, Nylon Tube Model ØD × 2 B ØP× 2 PU-4 4 32 11 PU-6 6 35.5 13 PU-8 8 37.5 15 PU-10 10 44 18.5 PU-12 12 47.5 21 PU-14 14 49 23.5 PU-16 16 53.5 25.5 Color options available: Key Features Straight union (tube-to-tube) design Push-to-connect quick installation Inline connection without direction change Leak-proof sealing with O-ring Reusable and easy disconnection 👉 Straight union fittings are used to connect two tubes in the same direction within pneumatic systems Applications Pneumatic automation systems Air compressor pipelines Industrial machinery Robotics systems Packaging and assembly equipment Widely used in pneumatic systems requiring inline tube extension, simple pipeline connection, and stable airflow transmission. Product Function PU fittings are designed to connect two pneumatic tubes directly in a straight line, allowing extension or repair of air pipelines without changing direction. 👉 Simple structure comparison: PU = straight union (tube ↔ tube) PC = tube…

Views: 245 2026-07-14

PW Reducing Y Fitting Push-to-Connect Pneumatic Connector

Specification Parameters Operating Fluid Air Type Pneumatic Fittings Proof Pressure 1.32 MPa (13.5 kgf/cm²) Max. Operating Pressure 0~0.9 MPa (0~9.2 kgf/cm²) Ambient & Fluid Temperature 0~60°C Applicable Tubing PU Tube, Nylon Tube Model ØD1 ØD2 × 2 B ØPx3 E PW6-4 6 4 36 13 13 PW8-4 8 4 40 15 15 PW8-6 8 6 40.5 15 15 PW10-6 10 6 44 18.5 18.5 PW10-8 10 8 44.5 18.5 18.5 PW12-8 12 8 47 21 21 PW12-10 12 10 47.5 21 21 PW14-10 14 10 53 23.5 23.5 PW14-12 14 12 53 25.5 25.5 PW16-12 16 12 56.5 25.5 25.5 PW16-14 16 14 57 25.5 25.5 Color options available: Key Features Y type reducing (unequal diameter) design Push-to-connect quick installation Airflow branching with size conversion Leak-proof sealing with O-ring Suitable for PU and nylon tubing Applications Pneumatic automation systems Air compressor pipelines Industrial machinery Mixed tubing systems Multi-branch air distribution Widely used in pneumatic systems requiring angled airflow branching with tube size conversion in compact layouts. Product Function PW fittings are designed to split airflow into two angled directions while connecting…

Views: 209 2026-07-14

PH Pneumatic Outer Hexagonal Male Elbow Fitting

Specification Parameters Operating Fluid Air Type Pneumatic Fittings Proof Pressure 1.32 MPa (13.5 kgf/cm²) Max. Operating Pressure 0~0.9 MPa (0~9.2 kgf/cm²) Ambient & Fluid Temperature 0~60°C Applicable Tubing PU Tube, Nylon Tube Model ΦD E B ΦP A R H PH4-M5 4 20.5 18.5 11 3.8 M5 8 PH4-01 4 24 24 13 7 R1/8 11 PH4-02 4 25 26.5 13 8 R1/4 15 PH6-M5 6 22.5 18.5 13 3.8 M5 8 PH6-01 6 24 24 13 7 R1/8 11 PH6-02 6 25.5 26.5 13 8 R1/4 15 PH6-03 6 29.5 31.5 15 9 R3/8 19 PH6-04 6 31 36 15 10 R1/2 22 PH8-01 8 26 24 15 7 R1/8 11 PH8-02 8 28 26.5 15 8 R1/4 15 PH8-03 8 30 31.5 15 9 R3/8 19 PH8-04 8 32 36 15 10 R1/2 22 PH10-01 10 31 24 21 7 R1/8 11 PH10-02 10 31.5 26.5 18.5 8 R1/4 15 PH10-03 10 33 31.5 18.5 9 R3/8 19 PH10-04 10 35 36 21 10 R1/2 22 PH12-01 12 31 24 21 7 R1/8 11 PH12-02 12 33 26.5…

Views: 206 2026-07-14

PKG Five-Way Reducer Push-to-Connect Pneumatic Fitting

Specifications Parameter Details Product Type Pneumatic Fittings Structure Threaded Five-Way Reducer Connection Tube to Thread / Tube to Tube Branch Type Five-Way Air Distribution Installation Push-to-Connect + Threaded Mounting Material Engineering Plastic / Metal Thread Operating Fluid Air Working Pressure 0 – 1.0 MPa Temperature Range 0 – 60°C Applicable Tubing PU / Nylon Tube Threaded five-way reducer fittings provide compact multi-line air distribution and tube size conversion for pneumatic systems. Model ØD1×2 ØD2 × 3 A E ØP × 5 PKG6-4 6 4 66 19 13 PKG8-4 8 4 75 21 15 PKG8-6 8 6 75 21.5 15 PKG10-6 10 6 87 25 18.5 PKG10-8 10 8 87 25 18.5 PKG12-8 12 8 99.5 26.5 21 PKG12-10 12 10 99.5 27.5 21 Color options available: Key Features Five-way multi-branch connection design Reducer structure for different tube sizes Threaded mounting for stable installation Push-to-connect tube ports for quick assembly Compact structure for saving piping space Suitable for pneumatic air distribution systems Applications Pneumatic control systemsUsed for multi-branch air distribution and compact tube connection. Industrial automation equipmentSuitable for connecting multiple pneumatic…

Views: 233 2026-07-13

PV Push-to-Connect Elbow Union Pneumatic Fitting

Specification Parameters Operating Fluid Air Type Pneumatic Fittings Proof Pressure 1.32 MPa (13.5 kgf/cm²) Max. Operating Pressure 0~0.9 MPa (0~9.2 kgf/cm²) Ambient & Fluid Temperature 0~60°C Applicable Tubing PU Tube, Nylon Tube Model ØD × 2 E ØP × 2 PV-4 4 18 11 PV-6 6 20 13 PV-8 8 22 15 PV-10 10 26 18.5 PV-12 12 28 21 PV-14 14 30.5 23 PV-16 16 33 25.5 Color options available: Key Features 90° elbow union (tube-to-tube) design Push-to-connect quick installation Equal diameter connection on both ends Leak-proof sealing with O-ring Compact structure for space-saving routing Applications Pneumatic automation systems Air compressor pipelines Industrial machinery Robotics systems Packaging and assembly equipment Widely used in pneumatic systems requiring direction change, compact piping layout, and efficient airflow routing. Product Function PV fittings are designed to connect two pneumatic tubes of equal size while changing direction by 90°, reducing the need for multiple fittings and simplifying pipeline design. Simple structure comparison: PU = straight union (tube ↔ tube) PV = elbow union (tube ↔ tube 90°) PC = tube ↔ thread PL =…

Views: 214 2026-07-13