Pneumatic Fittings

Plastic Compression Fittings

BPS fittings retain tubing with a threaded compression nut in a plastic-bodied connection. Straight, elbow and tee forms provide mechanically secured connections for pneumatic tube runs.

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Plastic bodiesThreaded tube retentionStraight and branch bodies

Product features

Compression nuts retain the tube mechanically in a plastic body.
Designed for nylon and polyurethane tube connections within the stated pressure range.

Construction and materials

Plastic compression fitting cross-section

Body: POM
Cap nut: POM
Connected tube: Polyurethane or nylon

Technical specifications

Fluid: Air only; no other gases or liquids
Operating pressure: 0–0.9 MPa (0–9.2 kgf/cm²)
Vacuum pressure: −750 mmHg (−29.5 inHg)
Operating temperature: 0–60°C (32–140°F)
Applicable tubing: Polyurethane and nylon

Ordering code

BPS 06-01

BPSSeries: Plastic compression fitting
06Tube size: 6 mm outside diameter, 4 mm inside diameter
01Thread size: R1/8

Tube-size codes

Code	Tube outside diameter	Tube inside diameter
06	6 mm	4 mm
08	8 mm	5.5 mm
10	10 mm	8 mm

Thread-size codes

Code	01	02	03
Thread	R1/8	R1/4	R3/8

Body configurations

Series	BPS-U	BPS-E	BPS-C	BPS-L
Configuration	Straight union	Tee union	Male straight fitting	Male elbow fitting

The complete model includes the body-configuration letter shown in the product model table.

Plastic Compression Fittings • Product specifications

Plastic Compression Fittings: Technical specifications

BPS-U Plastic compression straight unions

Model specifications

Series 01

Series: BPS-U Plastic compression straight unions
Applicable tubing: Polyurethane and nylon
Body and nut material: POM

Plastic compression nuts retain two pneumatic tubes in a straight union.

Technical specifications

Operating data

Fluid: Air
Operating pressure: 0-0.9 MPa
Operating temperature: 0-60 °C
Applicable tubing: Polyurethane and nylon
Vacuum rating: −750 mmHg
Body and nut material: POM

BPS-U - Plastic compression straight unions dimensions (mm)

Model	ΦD	L1	L	D1
BPS-U-06	6	37	7.4	13
BPS-U-08	8	37.5	7.6	15.5
BPS-U-10	10	38	7.8	17.5

Technical overview

Plastic Compression Fittings series specifications

Functions, dimensions, operating ranges and connections across the product series.

4 related series

Series	function	Tube size	Thread port	Pressure range	Material	Tube media
BPS-U Plastic compression straight unions	Straight Fitting	Polyurethane and nylon	-	0-0.9 MPa	POM	Air
BPS-E Plastic compression tee unions	Tee Fitting	Polyurethane and nylon	-	0-0.9 MPa	POM	Air
BPS-C Plastic compression male straight fittings	Straight Fitting	Polyurethane and nylon	R1/8 \| R1/4 \| R3/8	0-0.9 MPa	POM	Air
BPS-L Plastic compression male elbow fittings	Elbow Fitting	Polyurethane and nylon	R1/8 \| R1/4 \| R3/8	0-0.9 MPa	POM	Air

Connection flow tools

Connection and airflow calculations

Tube diameter, air velocity and pressure-loss estimates for pneumatic connections.

Open Valves & flow tools

01Valves & flow

Tube ID Calculator

Calculate tube internal diameter from outside diameter and wall thickness.

Free-air flowFlow unitWorking pressureOpen calculator 02Valves & flow

Air Velocity Calculator

Calculate airflow velocity inside the tube.

Free-air flowFlow unitInternal diameterOpen calculator 03Valves & flow

Pressure Drop Calculator

Estimate pressure loss along the tubing run.

FlowPipe lengthEquivalent fitting lengthOpen calculator 04Unit conversion

Flow Converter

Convert between volumetric flow units.

Flow valueSource flow unitOpen calculator

Product enquiries

Request a quotation

Bepto Pneumatic is the pneumatic product line of Bepto Industrial. Contact us for product specifications, drawings, availability and quotations.

Model	ΦD	ΦD1	ΦD2	L	L1	L2
BPS-E-06	6	13	3.8	12.6	46.5	23
BPS-E-08	8	15.5	3.8	12.6	48	23.5
BPS-E-10	10	17.5	4.5	12.6	50	25

Model	ΦD	thread	L	L1	L2	ΦD1	Hex
BPS-L-06-01	6	R1/8	14	24.5	23	13	16
BPS-L-06-02	6	R1/4	14	24.5	23	13	16
BPS-L-06-03	6	R3/8	14	24.5	23	13	16
BPS-L-08-01	8	R1/8	14	24.5	23	15.5	16
BPS-L-08-02	8	R1/4	14	24.5	23	15.5	16
BPS-L-08-03	8	R3/8	14	24.5	23	15.5	16
BPS-L-10-01	10	R1/8	14	24.5	23	15.5	21
BPS-L-10-02	10	R1/4	14	24.5	23	15.5	21
BPS-L-10-03	10	R3/8	14	24.5	23	15.5	21

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Plastic Compression Fittings

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Product features

Construction and materials

Technical specifications

Ordering code

Tube-size codes

Thread-size codes

Body configurations

Plastic Compression Fittings: Technical specifications

Model specifications

Technical specifications

BPS-U - Plastic compression straight unions dimensions (mm)

Model specifications

Technical specifications

BPS-E - Plastic compression tee unions dimensions (mm)

Model specifications

Technical specifications

BPS-C - Plastic compression male straight fittings dimensions (mm)

Model specifications

Technical specifications

BPS-L - Plastic compression male elbow fittings dimensions (mm)

Plastic Compression Fittings series specifications

Connection and airflow calculations

Tube ID Calculator

Air Velocity Calculator

Pressure Drop Calculator

Flow Converter

Request a quotation

Plastic Compression Fittings product enquiry

Model	ΦD	thread	L1	L2	ΦD1	Hex
BPS-C-06-01	6	R1/8	11.7	32	13	15
BPS-C-06-02	6	R1/4	11.7	32	13	15
BPS-C-06-03	6	R3/8	11.7	32	13	15
BPS-C-08-01	8	R1/8	11.7	32.5	15.5	15
BPS-C-08-02	8	R1/4	11.7	32.5	15.5	15
BPS-C-08-03	8	R3/8	11.7	32.5	15.5	15
BPS-C-10-01	10	R1/8	11.7	33	17.5	15
BPS-C-10-02	10	R1/4	11.7	33	17.5	15
BPS-C-10-03	10	R3/8	11.7	33	17.5	15