Pneumatic Fittings – Hongmi Pneumatic Co., Ltd.

PEG Reducing Tee Fitting: Tube Sizes and Selection Guide

A machine air line often needs to continue in one tube size while supplying a smaller branch to a nearby device. Using an equal tee followed by a separate reducer can work, but it adds connections and takes up space. A pneumatic reducing tee combines the branch connection and tube-size transition in one fitting. The HOMIPNEU PEG Reducing Tee Pneumatic Fitting is a push-to-connect air connector for this type of mixed-size routing. Its published range includes 11 combinations, from PEG6-4 to PEG16-12, for compatible PU and nylon tubing. Choosing the correct PEG model starts with the outside diameter of all three tubes. It also requires checking the smaller branch’s airflow demand, the shared supply capacity and the installation space. This guide explains those decisions with a model chart and practical machine-layout examples. What Is a PEG Pneumatic Reducing Tee? A PEG fitting joins three pneumatic tubes in a T-shaped connection. In the listed product range, two sockets share one tube size, identified as D1, while the third socket accepts a smaller tube, identified as D2. The product table labels these…

Views: 117 2026-09-29

PLM Bulkhead Elbow Fitting: Panel Mount Selection Guide

Routing an air line through a machine panel can become awkward when the tube must turn immediately after it crosses the wall. A straight connector may leave too little room for the tube’s bend radius, while an unsupported tube through a hole can rub against the panel edge. A bulkhead elbow combines a fixed panel connection with a controlled change in direction. The HOMIPNEU PLM Push-to-Connect Bulkhead Elbow Air Fitting provides a 90-degree air connection with a panel-mounting structure and locking nut. It accepts compatible PU or nylon tubing and comes in five metric tube sizes for pneumatic control panels, machine enclosures and automation equipment. This guide explains how to choose a PLM model, interpret its mounting thread, plan the panel space and install the tubing so the connection remains accessible for maintenance. What Is a PLM Pneumatic Bulkhead Elbow? A PLM fitting connects two pneumatic tubes across a panel boundary while turning the air path through 90 degrees. The bulkhead section locates the fitting in the panel, and a locking nut secures the mounting. The tube sockets provide push-to-connect…

Views: 99 2026-09-28

PB Pneumatic Tee Fitting: Sizes, Threads and Selection

Need to connect two air tubes directly to one threaded equipment port? A PB pneumatic tee fitting provides that connection in a compact body. It can simplify the air routing around a regulator outlet, machine panel or pneumatic fixture, provided the tube dimensions, thread and combined airflow are correctly matched. The HOMIPNEU PB Pneumatic Male Thread Tee Fitting has two push-to-connect tube ports and one male threaded port. Its brass and engineering-plastic construction, internal O-ring sealing and range of metric tube sizes make it a practical option for industrial compressed-air branching. This guide covers how to read PB model codes, choose the thread, compare tee layouts and avoid the installation mistakes that cause leaks or slow machine cycles. What Is a PB Pneumatic Tee Fitting? A PB fitting is a three-port air connector with a male threaded branch and two tube connections. The thread mounts into a compatible female equipment port, while the push-in sockets accept the specified pneumatic tube outside diameter. For example, a suitable regulator outlet can feed two downstream air lines through a PB tee. The tee…

Views: 94 2026-09-28

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: 226 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: 266 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: 278 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: 504 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: 374 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: 390 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: 368 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: 480 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: 321 2026-07-14