Festo NPQH-D-G18-Q6-P10 Push-In Fitting

Technical Overview

Industrial straight push-in pneumatic fitting. Features nickel-plated brass body, G1/8 male thread to 6mm tube connector. Rated for 20 bar and up to 150°C.

Key Features

Wide operating pressure compatibility ranging from vacuum (-0.95 bar) to heavy-duty high pressure (20 bar).
High thermal tolerance, safely operating in ambient temperatures from 0 to 150 °C.
Corrosion resistance class (CRC) 3, providing excellent durability under high corrosion stress.
Solid-metal chemically nickel-plated brass housing resistant to welding spatter.
Integrated FPM (fluoroelastomer) threaded and tubing sealing rings.
Food-industry compatible design, FDA compliant, and highly resistant to cleaning agents.
Efficient push-pull principle for rapid and secure pneumatic tubing connections.

Technical Specification Matrix

Parameter	Value
Pneumatic Connection 1	Male thread G1/8
Pneumatic Connection 2	Push-in connector for tubing O.D. 6 mm
Nominal Size	4 mm
Tubing Insertion Depth	15.8 mm
External Hex Size	12 mm
Operating Pressure	-0.95 to 20 bar
Ambient Temperature	0 to 150 °C
Max. Tightening Torque	10 Nm
Material (Housing)	Nickel-plated brass
Material (Seals)	FPM
Corrosion Resistance Class (CRC)	3 - High corrosion stress
Physical Weight (kg)	0.01
Dimensions L x W x H (cm)	0 x 0 x 0

Industrial Applications

1. High-Temperature Pneumatic Tooling

Withstanding ambient temperatures up to 150°C, the NPQH fitting provides reliable compressed air distribution to pneumatic actuators and automation tools operating near industrial ovens or thermal processing zones without melting or leaking.

Problem Solved

Standard plastic pneumatic fittings degrade and fail in high-heat zones, causing air leaks and pressure loss.

150°CHigh-TemperatureIndustrial OvenPneumatic ActuatorThermal Processing

2. Food Processing Washdown Lines

Featuring a nickel-plated brass body and FPM seals, this fitting meets strict hygiene requirements. It resists harsh chemical cleaning agents and maintains CRC 3 corrosion resistance during frequent washdown procedures in food manufacturing.

Problem Solved

Frequent chemical washdowns corrode standard steel fittings or degrade basic elastomers, leading to contamination risks and maintenance downtime.

WashdownFood ProcessingFDA-CompliantCRC 3Corrosion Resistant

3. Robotic Welding Automation Cells

Ideal for pneumatic manifolds on robotic welding equipment due to its solid metal brass construction, which inherently resists hot welding spatter much better than standard polymer fittings.

Problem Solved

Hot welding spatter melts standard plastic push-in fittings on automated clamps, causing sudden pneumatic failures.

Welding SpatterRobotic WeldingPneumatic ManifoldBrass Fitting