Pneumatic Fittings

Metal Compression Fittings

KLC, KLF and KLV metal compression fittings secure tubing with a threaded nut. Their metal bodies provide straight and angled connections between pneumatic tubes and equipment ports.

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Metal bodiesThreaded tube retentionStraight and angled bodies

Product features

Nickel-plated brass bodies and cap nuts form the tube connection.
A threaded cap nut secures the tube in straight and elbow fittings.
Suitable for air and vacuum service within the stated operating limits.

Construction and materials

Body: Nickel-plated brass
Cap nut: Nickel-plated brass
Connected tube: Polyurethane

Technical specifications

Fluid: Air and vacuum
Operating pressure: 0–0.9 MPa (0–9.2 kgf/cm²)
Vacuum pressure: −100 kPa
Proof pressure: 1.32 MPa
Operating temperature: 0–60°C
Applicable tubing: Polyurethane

Ordering code

KLC8-02

KLCSeries: Metal compression male straight fitting
8Tube size: 8 mm tube outside diameter
02Port size: PT1/4

Tube sizes in the ordering example

Tube size	4 mm	6 mm	8 mm	10 mm	12 mm

Port-size codes

Code	01	02	03	04
Thread	PT1/8	PT1/4	PT3/8	PT1/2

Body configurations

Series	KLC	KLF	KLV
Configuration	Male straight fitting	Female straight fitting	Male elbow fitting

The model tables also list 14 mm and 16 mm tube sizes for specific configurations.

Metal Compression Fittings • Product specifications

Metal Compression Fittings: Technical specifications

KLC Metal compression male straight fittings

Model specifications

Series 01

Series: KLC Metal compression male straight fittings
Applicable tubing: Polyurethane
Body and nut material: Nickel-plated Brass

A metal compression nut secures tubing to a straight male-threaded fitting.

Technical specifications

Operating data

Fluid: Air and vacuum
Operating pressure: 0-0.9 MPa
Operating temperature: 0-60 °C
Proof pressure: 1.32 MPa
Applicable tubing: Polyurethane
Body and nut material: Nickel-plated Brass

KLC - Metal compression male straight fittings dimensions (mm)

Model	thread	D	L1	L2	H1	H2
KLC04-01	R1/8	4	8.5	21.7	10	8
KLC04-02	R1/4	4	8.5	22.5	14	8
KLC06-01	R1/8	6	8.5	24.5	10	12
KLC06-02	R1/4	6	8.5	25.5	14	12
KLC06-03	R3/8	6	9	25	17	12
KLC06-04	R1/2	6	10	26	21	12
KLC08-01	R1/8	8	8.5	24.5	10	14
KLC08-02	R1/4	8	8.5	26.2	14	14
KLC08-03	R3/8	8	9	26.3	17	14
KLC08-04	R1/2	8	10	27	21	14
KLC10-01	R1/8	10	8.5	26	14	16
KLC10-02	R1/4	10	8.5	On request	14	16
KLC10-03	R3/8	10	9	27	17	16
KLC10-04	R1/2	10	10	27.5	21	16
KLC12-01	R1/8	12	8.5	26.5	15	17
KLC12-02	R1/4	12	8.5	27	16	17
KLC12-03	R3/8	12	9	27	17	17
KLC12-04	R1/2	12	10	28.7	21	17
KLC14-02	R1/4	14	8.5	30	19	21
KLC14-03	R3/8	14	9	30	19	21
KLC14-04	R1/2	14	10	30	21	21
KLC16-02	On request	16	8.5	30.5	21	22
KLC16-03	On request	16	9	31	21	22
KLC16-04	R1/2	16	10	31	21	22
KLC16-06	R3/4	16	10.5	31.5	26	22

Technical overview

Metal Compression Fittings series specifications

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

3 related series

Series	function	Tube size	Thread port	Pressure range	Material	Tube media
KLC Metal compression male straight fittings	Straight Fitting	Polyurethane	On request	0-0.9 MPa	-	Air and vacuum
KLF Metal compression female straight fittings	Straight Fitting	Polyurethane	G1/8, G1/4, G3/8, G1/2	0-0.9 MPa	-	Air and vacuum
KLV Metal compression male elbow fittings	Elbow Fitting	Polyurethane	R1/8 \| R1/4 \| R3/8 \| R1/2	0-0.9 MPa	-	Air and vacuum

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.

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Metal Compression Fittings

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Product features

Construction and materials

Technical specifications

Ordering code

Tube sizes in the ordering example

Port-size codes

Body configurations

Metal Compression Fittings: Technical specifications

Model specifications

Technical specifications

KLC - Metal compression male straight fittings dimensions (mm)

Model specifications

Technical specifications

KLF - Metal compression female straight fittings dimensions (mm)

Model specifications

Technical specifications

KLV - Metal compression male elbow fittings dimensions (mm)

Metal Compression Fittings series specifications

Connection and airflow calculations

Tube ID Calculator

Air Velocity Calculator

Pressure Drop Calculator

Flow Converter

Request a quotation

Metal Compression Fittings product enquiry

Model	thread	D	L1	L2	L3	H1	H2
KLF04-01	G1/8	4	9	20.5	10.5	12	8
KLF04-02	G1/4	4	10	21.2	11	16	8
KLF06-01	G1/8	6	9	23	11.3	12	12
KLF06-02	G1/4	6	10	24.2	12.3	16	12
KLF06-03	G3/8	6	12	25	13	19	12
KLF06-04	G1/2	6	12	25	13	24	12
KLF08-01	G1/8	8	9	24	11	12	14
KLF08-02	G1/4	8	10	25	12	16	14
KLF08-03	G3/8	8	12	26	13	19	14
KLF08-04	G1/2	8	12	26.5	13	24	14
KLF10-01	G1/8	10	9	25.7	12	14	16
KLF10-02	G1/4	10	10	25.5	12	16	16
KLF10-03	G3/8	10	12	26	13	19	16
KLF10-04	G1/2	10	12	27	13.2	24	16
KLF12-02	G1/4	12	10	25.5	12	16	18
KLF12-03	G3/8	12	12	26	13	19	18
KLF12-04	G1/2	12	12	29.5	15	24	18
KLF14-04	G1/2	14	12	30.5	13	24	21
KLF16-04	G1/2	16	12	30.5	14	24	22

Model	thread	D	L1	L2	L3	H2
KLV04-01	R1/8	4	8	21.5	16	8
KLV04-02	R1/4	4	9	26	19	8
KLV06-01	R1/8	6	8	22.5	18	12
KLV06-02	R1/4	6	9	26.2	20	12
KLV06-03	R3/8	6	11	30	21.5	12
KLV06-04	R1/2	6	12.5	35	24.5	12
KLV08-01	R1/8	8	8	24	19	14
KLV08-02	R1/4	8	9	26.2	19.5	14
KLV08-03	R3/8	8	11	30	21	14
KLV08-04	R1/2	8	12.5	36	25.5	14
KLV10-01	R1/8	10	8	27	20	16
KLV10-02	R1/4	10	9	27	20	16
KLV10-03	R3/8	10	11	30	21	16
KLV10-04	R1/2	10	12.5	35	25	16
KLV12-01	R1/8	12	8	29	22.5	17
KLV12-02	R1/4	12	9	29	22.5	17
KLV12-03	R3/8	12	11	30	21.5	17
KLV12-04	R1/2	12	12.5	35.5	25	17
KLV16-02	R1/4	16	9	35.8	26.5	21
KLV16-03	R3/8	16	11	37	26.5	21
KLV16-04	R1/2	16	12.5	38.2	27.5	21