Arrotop’s Instrumentation Pipe Fittings are engineered for precision, performance, and reliability in high pressure applications across industries such as oil and gas, chemical processing, power, and pharmaceuticals. These pipe fittings are designed to create secure, leakproof connections in complex fluid handling systems, ensuring maximum efficiency and safety. Our comprehensive range of instrumentation fittings includes Hex Nipples, Elbows, Tees, Adapters, Hex Plugs, Bushings, and more, each manufactured in compliance with stringent international standards and thoroughly tested for durability and performance.
While instrumentation pipe fittings are typically used with threaded pipe systems, we also provide solutions for Instrumentation Tube Fittings, catering to various system requirements with seamless integration. Crafted from high grade materials like stainless steel, Hastelloy, Monel, Inconel, and brass, Arrotop’s instrumentation fittings deliver exceptional corrosion resistance and long service life. Whether you require threaded connections or socket weld designs, Arrotop is your trusted source for premium quality pipe fittings and instrumentation tube fittings tailored to your specific industrial needs.
The fittings are crafted from materials that comply with relevant ASTM or ASME specifications, featuring pipe threads that meet or surpass ANSI/ASME B1.20.1 standards. Rigorous quality control protocols are meticulously adhered to at every stage of production.
Threaded pipe connections are prevalent in contemporary industry, owing to their widespread adoption facilitated by standard sizes and dimensions across manufacturing processes. Utilizing a thread sealant is crucial for optimal performance and reliability.
Features
- Offered in tube sizes ranging from 1/16 to 2 inches and 2 to 50 millimeters.
- Uniform gaugeability upon initial installation
- Simple disconnection and re-tightening
- Diverse range of materials and configurations
- Proven reliability and performance
Pipe Fittings
Male HEX Nipple
The Male HEX Nipple is a durable connector with male threads on both ends and a hexagonal center for easy wrench tightening. Ideal for securely joining two female-threaded pipes or fittings.
Male Close Nipple
The Male Close Nipple is a compact pipe fitting with threads on both ends, leaving no gap between connected fittings. Perfect for tight spaces, it ensures a secure, seamless connection with minimal visibility.
Male Hex Close Nipple
The Male Hex Close Nipple features male threads on both ends with a hexagonal center for easy wrench grip. Ideal for tightly connecting female-threaded pipes, fittings, pumps, and equipment seamlessly.
Female Hex Coupling
The Female Hex Coupling features internal threads and a hexagonal body for easy wrench tightening. Perfect for securely joining two male-threaded pipes or fittings, ensuring a strong, leak-proof connection.
Adapter
The Adapter is a versatile fitting designed to connect two pipes seamlessly. Available in NPT and BSPP threads from 1/8” to 2”, it includes male-female adapters, hex nipples, and plugs for secure connections.
Reducing Bushing
The Reducing Bushing connects pipes of different sizes with ease. Featuring larger external and smaller internal threads, it ensures seamless transitions in plumbing and electrical systems for a secure fit.
Male Elbow
The Male Elbow is a durable stainless steel fitting with male threads, enabling a 90-degree fluid flow. Ideal for gas, liquid, and air piping, it connects pipes of varying sizes in diverse industries.
Female Elbow
The Female Elbow is a sturdy fitting with internal threads, enabling a 90-degree directional change in piping systems. Perfect for secure connections, it ensures smooth fluid flow in various applications.
The 45-Degree Female Elbow smoothly redirects piping flow while maintaining secure connections. With internal threads on both ends, it’s perfect for navigating corners and optimizing space in plumbing systems.
Street Elbow
The Street Elbow is a versatile fitting with one male and one female end, allowing easy directional changes in piping. Ideal for tight spaces, it connects seamlessly without the need for extra fittings.
Street Elbow 45 degree
The 45-Degree Street Elbow features a male and female end for easy pipe connections, ensuring a smooth directional shift. Perfect for tight spaces, it’s widely used in plumbing and industrial systems.
Male Tee
The Male Tee is a durable fitting with a 90° branch and male threads on all ends, ideal for fluid distribution or collection. Perfect for seamless connections in plumbing and industrial piping systems.
Female Tee
The Female Tee is a strong, versatile fitting with female threads on all ends, allowing seamless branching in piping systems. Ideal for fluid distribution in industrial, plumbing, and mechanical applications.
Street Tee
The Street Tee features one male-threaded and two female-threaded ends, allowing flexible pipe connections at a 90° angle. Ideal for plumbing and industrial use, it ensures seamless fluid distribution.
Male Branch Tee
The Male Branch Tee is a T-shaped fitting with male threads on all ends, designed to split or merge fluid or gas flow. Ideal for industrial piping, it ensures strong, leak-proof three-way connections.
Female Cross
The Female Cross Tee is a four-way fitting with female threads on all ends, enabling seamless multi-directional flow. Perfect for plumbing and industrial systems, it ensures strong and efficient connections.
Pipe Cap
A Pipe Cap is a durable fitting that seals pipe ends, preventing leaks and protecting against damage and corrosion. Ideal for plumbing and industrial use, it ensures a secure and reliable pipe closure.
Hex Head Plug
A Hex Head Plug is a threaded fitting with a hexagonal head, designed to seal female-threaded openings. Its shape allows for easy wrench installation, ensuring a secure, leak-proof closure in piping systems.
Hollow Hex Plug
A Hollow Hex Plug is a threaded fitting with a hexagonal, hollow head, designed to seal pipe openings securely. Ideal for plumbing, gas, and oil systems, it ensures easy installation and removal.
Straight Thread Adapters
Straight Thread Reducers / Expander
Straight Thread Reducers/Expanders adjust pipe connections by seamlessly linking different thread sizes. Ideal for hydraulic and industrial use, they ensure compatibility between larger and smaller ports.
Male SAE Straight Thread to Female NPT Thread
A Male SAE Straight Thread to Female NPT Thread adapter seamlessly connects SAE straight-threaded fittings to NPT-threaded components, ensuring compatibility in hydraulic and pneumatic applications.
Male Connector to SAE Straight Thread
A Steel Male Connector to SAE Straight Thread ensures leak-free connections in process instrumentation and industrial systems, offering reliable performance in high-pressure and high-temperature applications.
Thread & Tube End
Thread & Tube End fittings provide secure, leak-proof connections in piping systems by combining threaded and tube-end designs. Ideal for hydraulic, pneumatic, and industrial applications.
Product Data
Arrotop Instrumentation Pipe Fittings are meticulously designed to provide reliable and precise connections for various industrial applications. These fittings ensure durability, ease of installation, and performance under rigorous conditions.
Features
- High Precision: Ensures reliable, leak-free connections.
- Versatile Applications: Suitable for various industrial uses.
- Quality Materials: Manufactured from premium materials.
- Ease of Installation: Designed for quick installation.
- Corrosion Resistance: High resistance to corrosion, suitable for harsh environments.
- Pressure and Temperature Tolerance: Engineered to withstand high pressures and temperatures.
- Consistent Performance: Reliable performance under varying industrial conditions.
- Compliance with Standards: Meets international standards for quality and safety.
Materials
- Stainless Steel 304/L, Stainless Steel 316/L, Duplex F51, Super Duplex F55/F53, UNS31254 6MO, Alloy 825, Alloy 625, Alloy 400, Alloy C276. Aluminium Bronze NES833. Other materials available on request
Technical Standards
- Pressure Ratings: Up to 10,000 PSI depending on the fitting type and size.
- Temperature Ratings: Suitable for temperatures from -40°C to 400°C, depending on the material.
- Thread Specifications: NPT, BSPP, BSPT, ISO, and SAE threads are available.
Compliance and Certifications
- ISO 9001:2015: Quality management systems.
- ASTM Standards: Meets various ASTM standards for materials and manufacturing processes.
- NACE MR0175/ISO 15156: For corrosion resistance in harsh environments.
Dimension Size Chart
Male HEX Nipple (Model: ARO-FIT-MHN001)
| Size (inches) | Total Length (L) (mm) | Wrench Size (H) (mm) |
|---|---|---|
| 1/8 | 25.6 | 11.1 |
| 1/4 | 35.5 | 14.2 |
| 3/8 | 36.3 | 17.4 |
| 1/2 | 46.7 | 22.2 |
| 3/4 | 46.7 | 26.9 |
| 1 | 58.9 | 34.9 |
Female Hex Coupling (Model: ARO-FIT-FHC002)
| Size (inches) | Overall Length (L) (mm) | Flat Size (H) (mm) |
|---|---|---|
| 1/8 | 20.5 | 14.2 |
| 1/4 | 30.2 | 19.05 |
| 3/8 | 33.2 | 22.2 |
| 1/2 | 39.6 | 26.9 |
| 3/4 | 41.1 | 33.3 |
| 1 | 50.8/td> | 41.2 |
Adapter (Model: ARO-FIT-ADA003)
| Size (inches) | Total Length (L) (mm) | Hexagonal Size (H) (mm) |
|---|---|---|
| 1/8 | 27.9 | 14.2 |
| 1/4 | 36.7 | 19.05 |
| 3/8 | 38.5 | 22.2 |
| 1/2 | 51.3 | 26.9 |
| 3/4 | 52.1 | 33.3 |
| 1 | 58.7 | 41.2 |
Reducing Bushing (Model: ARO-FIT-RDB004)
| Size (inches) | Full Length (L) (mm) | Hex Size (H) (mm) |
|---|---|---|
| 1/4 x 1/8 | 26.7 | 14.2 |
| 3/8 x 1/8 | 21.8 | 17.4 |
| 3/8 x 1/4 | 30.0 | 19.05 |
| 1/2 x 1/8 | 27.4 | 22.2 |
| 1/2 x 1/4 | 27.4 | 22.2 |
| 1/2 x 3/8 | 35.6 | 22.2 |
| 3/4 x 1/4 | 27.4 | 26.9 |
| 3/4 x 3/8 | 27.4 | 26.9 |
| 3/4 x 1/2 | 41.4 | 26.9 |
| 1 x 1/4 | 34.8 | 34.9 |
| 1 x 1/2 | 34.8 | 34.9 |
| 1 x 3/4 | 34.8 | 34.9 |
Male Elbow (Model: ARO-FIT-MEL005)
| Size (inches) | Length (L) (mm) | Thread Length (E) (mm) | Wrench Size (H) (mm) |
|---|---|---|---|
| 1/8 | 24.1 | 8.9 | 12.7 |
| 1/4 | 29.0 | 11.7 | 17.5 |
| 3/8 | 34.5 | 15.0 | 20.6 |
| 1/2 | 37.0 | 18.7 | 25.4 |
| 3/4 | 46.5 | 23.5 | 31.8 |
| 1 | 48.8 | 29.7 | 42.9 |
Female Elbow (Model: ARO-FIT-FEL006)
| Size (inches) | Overall Length (L) (mm) | Thread Length (E) (mm) | Wrench Flat Size (H) (mm) |
|---|---|---|---|
| 1/8 | 24.1 | 19.6 | 12.7 |
| 1/4 | 29.0 | 26.5 | 17.5 |
| 3/8 | 34.5 | 28.2 | 20.6 |
| 1/2 | 37.0 | 35.3 | 25.4 |
| 3/4 | 46.5 | 39.6 | 31.8 |
| 1 | 48.8 | 49.2 | 42.9 |
Street Elbow (Model: ARO-FIT-SEL007)
| Size (inches) | Total Length (L) (mm) | Thread Length (E) (mm) | Hexagonal Size (H) (mm) |
|---|---|---|---|
| 1/4 x 1/8 | 29.0 | 22.4 | 17.5 |
| 3/8 x 1/4 | 34.5 | 28.2 | 20.6 |
| 1/2 x 1/4 | 37.0 | 30.5 | 25.4 |
| 1/2 x 3/8 | 37.0 | 30.5 | 25.4 |
| 3/4 x 1/2 | 46.5 | 41.6 | 31.8 |
| 1 x 1/2 | 48.8 | 45.5 | 42.9 |
Male Tee (Model: ARO-FIT-MTE008)
| Size (inches) | Overall Length (L) (mm) | Wrench Flat Size (H) (mm) |
|---|---|---|
| 1/8 | 19.05 | 12.7 |
| 1/4 | 24.5 | 12.7 |
| 3/8 | 26.9 | 17.5 |
| 1/2 | 33.2 | 20.6 |
| 3/4 | 35.3 | 25.4 |
| 1 | 44.5 | 31.8 |
Female Cross (Model: ARO-FIT-FCR009)
| Size (inches) | Full Length (L) (mm) | Wrench Flat Size (H) (mm) |
|---|---|---|
| 1/8 | 48.2 | 12.7 |
| 1/4 | 58.0 | 17.5 |
| 3/8 | 69.0 | 20.6 |
| 1/2 | 74.0 | 25.4 |
| 3/4 | 93.0 | 31.8 |
| 1 | 97.6 | 42.9 |
Technical Standards
- Pressure Ratings: Up to 10,000 PSI depending on the fitting type and size.
- Temperature Ratings: Suitable for temperatures from -40°C to 400°C, depending on the material.
- Thread Specifications: NPT, BSPP, BSPT, ISO, and SAE threads are available.
Applications of Instrumentation Pipe Fittings
- Industrial Piping Systems: Used in various industrial applications to connect pipes and manage the flow of liquids and gases.
- HVAC Systems: Ensures secure connections in heating, ventilation, and air conditioning systems.
- Plumbing: Provides robust connections in commercial and residential plumbing systems.
- Instrumentation and Control Systems: Essential for connecting components in instrumentation systems for precise control and measurement.
- Chemical Processing: Suitable for connecting pipes in chemical plants where corrosion resistance is crucial.
- Oil and Gas: Used in refineries and petrochemical plants for reliable and safe connections.
- Power Generation: Ensures secure connections in power plants, handling high pressures and temperatures.
- Water and Wastewater: Used in treatment facilities to ensure accurate pressure measurements.
- Food and Beverage: Ensures sanitary and safe connections in processing plants.
- Marine Applications: Resistant to corrosion, suitable for marine environments.