Instrument Tube Fittings

Product Details:

1. Tee Body: Main piece with three ports forming the “T” configuration.

2. Front Ferrules: Seal each tube port to prevent leakage.

3. Back Ferrules: Secure the tubes mechanically.

4. Nuts: Tightened over the ferrules to compress them and engage both sealing and gripping functions.

• Grades: UNS S32750 or S32760

• Properties:

  • Extremely high corrosion resistance, including against chlorides and acids

  • High mechanical strength and pressure capability

  • Resistant to pitting, crevice corrosion, and stress corrosion cracking

• Ideal for offshore, marine, chemical, and petrochemical applications

• Leak-tight under high pressure

• High vibration resistance

• Excellent corrosion resistance in harsh environments

• Strong mechanical grip on tubes

• Reusable if properly installed

• Enables branching of process lines without welding

• Chemical and petrochemical plants

• Offshore and marine piping systems

• Oil and gas pipelines and instrumentation

• High-pressure hydraulic and process lines

• Power generation and desalination plants

A Super Duplex Steel Double Ferrule Tee is a high-performance tube fitting that:

✔ Connects three tube sections in a “T” configuration
✔ Provides leak-proof, vibration-resistant, and high-strength connections
✔ Made from Super Duplex SS for superior corrosion and mechanical resistance
✔ Ideal for high-pressure, high-temperature, and chemically aggressive systems

Product Details:

• Two-phase stainless steel (ferritic + austenitic)

• High strength and toughness

• Excellent resistance to pitting, stress corrosion cracking, and chloride environments

• Better corrosion resistance than standard 316 stainless steel

• Front ferrule: Seals the tube to the fitting body

• Back ferrule: Provides grip and support, preventing tube rotation and ensuring a strong, leak-free connection

• Tightening the nut compresses both ferrules, locking the tube in place

• High pressure capacity

• Reusable and easy to assemble/disassemble

• Very reliable in demanding environments like chemical plants, oil & gas, marine, or instrumentation systems

• Stronger than single ferrule or simple threaded fittings

• Instrumentation and process lines

• Hydraulic systems

• Chemical processing

• Offshore and marine environments

• Any system requiring high corrosion resistance and mechanical strength

Product Details:

• Cross = 4-way fitting (connects four tubes)

• Tee = 3-way fitting (connects three tubes)

• Double ferrule = compression fitting with two ferrules for tight sealing

There’s no single “Cross Tee” fitting; you’ll typically use either:

1. SS Double Ferrule Cross — 4 connections at right angles

2. SS Double Ferrule Tee — 3 connections at right angles

• Material: SS316 or SS316L

• High corrosion resistance & strength

• Pressure ratings typically up to 6000 psi (varies by size)

• Compatible with tube OD sizes 1/8" to 1" (or metric equivalents)

• Leak-tight, reusable, vibration resistant

Additional Information:

• Production Capacity: 1500
• Delivery Time: READY STOCK

Product Details:

Stainless Steel Pipe Tube Fittings are essential components used to connect, control, or terminate sections of pipe or tubing in fluid and gas systems. These fittings come in various designs, materials, and pressure ratings to suit industries like oil & gas, chemical processing, food & beverage, pharmaceuticals, and power generation.

• Corrosion resistance in harsh and high-temperature environments

• High strength for pressure and mechanical stresses

• Hygienic and easy to clean, ideal for food and pharma

• Wide variety of connection options for different system needs

• Reusable fittings such as double ferrule types for maintenance flexibility

• Oil & Gas and Petrochemical plants

• Chemical processing units

• Food, beverage, and pharmaceutical production

• HVAC and sanitary piping

• Power generation plants and boiler piping

• Marine and offshore piping systems

• Swagelok® (tube fittings & valves)

Additional Information:

• Packaging Details: Box

Product Details:

Hydraulic Welding Nipple Fittings are specially designed connectors used in hydraulic systems to provide strong, leak-proof joints by welding directly to pipes or tubes. These nipples serve as a transition point between welded piping and hydraulic components, such as valves, hoses, or tube fittings.

Made from stainless steel (SS 304, SS 316, or SS 316L), these fittings are ideal for high-pressure hydraulic applications requiring excellent corrosion resistance and mechanical strength.

• Material: Stainless Steel 304 / 316 / 316L for corrosion resistance and durability

• Design:

  • One end is welded to the pipe or tube

  • The other end is threaded or flared for connection to hydraulic components

• Connection Types:

  • Butt Weld or Socket Weld on one side

  • Threaded (NPT, BSP, JIC, Metric) or Flare connection on the other side

• Sizes: Typically available in tube ODs from 6 mm to 50 mm (1/4” to 2”)

• Pressure Ratings: Suitable for hydraulic pressures up to 6000 PSI or more, depending on design

• Robust, leak-tight weld joints for high-pressure hydraulic lines

• Corrosion resistance for use in harsh or chemical environments

• Versatile connection options for integration with various hydraulic components

• Supports high temperature and vibration environments

• Reduces potential leak points compared to mechanical joints

• Hydraulic power units and control lines

• Industrial machinery and mobile equipment

• Offshore oil & gas hydraulic systems

• Chemical and petrochemical plants

• Marine hydraulic applications

• Heavy-duty construction and mining machinery

• Kalpataru Pipe & Fittings

Additional Information:

• Packaging Details: Box

Product Details:

An S.S. Male Female Adaptor is a pipe fitting designed to connect two pipes or tubes with different types of threaded ends — one side having a male thread (external threads) and the other a female thread (internal threads). This adaptor allows easy joining of pipes or components with different thread configurations or sizes.

• Material: Stainless Steel 304, 316, or 316L — excellent corrosion resistance and strength

• Thread Types:

  • Male side: External thread (NPT, BSP, BSPT, Metric, UNF, etc.)

  • Female side: Internal thread (matching the male thread type or different as per design)

• Sizes: Commonly available from 1/8” up to 4” or larger

• Connection: Threaded male and female ends for easy assembly and disassembly

• Standards: ASTM A182, ASME B1.20.1, ISO 7-1, ISO 228-1

• Finish: Pickled, passivated, or polished for enhanced corrosion resistance

• Provides a reliable and leak-proof connection between male and female threaded pipes or fittings

• Corrosion-resistant stainless steel suitable for harsh environments

• Durable and strong for high-pressure applications

• Easy to install and remove with standard tools

• Versatile use across various industries

• Chemical and petrochemical processing

• Oil and gas pipelines

• Water treatment and plumbing

• Food and beverage industries

• HVAC and refrigeration

• Kalpataru Pipe & Fittings

Additional Information:

• Packaging Details: Box

Product Details:

• Typically made from Stainless Steel 304 or 316 (316 offers better corrosion resistance).

• Material choice depends on environment (corrosive, temperature, pressure conditions).

• Weld End: Butt-weld or socket weld end designed to be permanently welded onto a pipe, valve, or vessel.

• Double Ferrule End:

  • Front Ferrule: Primary seal that bites into the tubing, preventing leaks.

  • Back Ferrule: Provides grip and mechanical lock on the tubing, preventing pull-out.

• Body: Holds the ferrules and weld end together.

• Nut: Tightens the ferrules onto the tubing by compressing them.

• Tube is inserted through the nut and ferrules into the fitting body.

• Tightening the nut pushes the ferrules forward.

• Front ferrule forms a seal by biting into the tubing surface.

• Back ferrule grips the tubing to prevent slippage.

• Weld connector side is welded permanently to the system.

• Result: Reliable, leak-proof, vibration-resistant connection.

1. Prepare the Tube: Cut tubing square and deburr inside and outside.

2. Slide Nut and Ferrules onto Tube: Order is nut first, then back ferrule, then front ferrule.

3. Insert Tube into Connector: Push until tube bottoms inside the fitting.

4. Tighten Nut: Hand-tighten, then use wrench to tighten about 1-1.5 turns beyond finger tight (specific torque varies by manufacturer).

5. Weld Connector End: Weld connector end to pipe or vessel using standard welding procedures ensuring no damage to ferrules or tube.

• Leak Tight: Double ferrule design prevents leaks even under vibration.

• Reusable: Ferrules and nuts can be reused multiple times.

• Corrosion Resistant: Stainless steel withstands harsh environments.

• Easy Maintenance: Can disconnect and reconnect tubing easily.

• Versatile: Works in instrumentation, chemical, petrochemical, and food industries.

• ASTM A182 (material standard for stainless steel fittings)

• ASME B31.3 (process piping)

• ISO 8434-1 (metal tube connections)

• NACE MR0175 (for sour environments)

• Chemical processing plants

• Oil and gas refineries

• Instrumentation and control lines

• Pharmaceutical manufacturing

• Food and beverage industries

Additional Information:

• Production Capacity: 10000
• Delivery Time: READY STOCK
• Packaging Details: HPDE BOX

Product Details:

Instrument ferrule fittings are mechanical fittings used to connect small-diameter tubing (1/16″ to 1/2″ OD) in instrumentation, chemical, and process lines.

• S.S. 310 ferrule fittings are made of austenitic stainless steel 310, which provides excellent high-temperature resistance.

• They use a double ferrule system (front and back ferrule) for a leak-tight, high-pressure connection.

Key Features:

• No welding required

• Reusable and adjustable

• Ideal for high-temperature, high-pressure, and corrosive environments

Properties of S.S. 310:

• Maximum service temperature: up to ~1100 °C

• Excellent resistance to oxidation, scaling, and corrosion at high temperatures

• Good strength and durability under stress

• Tube Connection: Double ferrule compression fitting

• Thread Connection: Optional NPT/BSPT threaded ends for connecting to manifolds, valves, or pipe ports

• Operation:

  1. Insert tube into fitting

  2. Tighten nut to compress ferrules

  3. Front ferrule seals the tube

  4. Back ferrule grips tube mechanically

Product Details:

Size
1/8"OD TO 2" OD | 3MM OD TO 50.8 MM OD / NPT, BSP, BSPT & JIC
Material
Stainless Steel
Type BulkHead Union
Usage/Application
Gas Line | Oil & Gas | Instrumentation | Petrochemical
Packaging
HDPE BOX | Corrugated Box | Wooden Box
Country of Origin
Made in India
We are a leading Manufacturer, Stockist & Supplier of Stainless Steel Double Ferrule Instrumentation Tube Fittings, Valves & Pressure Gauge Accessories In India. We also Offer Ready Stock of Stainless Steel Instrumentation Tube Fittings In various sizes.
These above products are available in the following Material & Grades:
Stainless Steel Grades: 304 | 304L | 316 | 316L 

Additional Information:

• Delivery Time: READY STOCK
• Packaging Details: 100 PCS BOX Packing

Product Details:

A Stainless Steel Compression Tube Union is a high-integrity tube fitting designed to connect two identical tube sizes in a straight-line configuration. It uses a double ferrule compression system to create a leak-tight, vibration-resistant seal without welding, threading, or soldering.

| Pressure Rating | Up to 6,000 psi (depending on size, wall thickness, and tube material) |
| Temperature Range | -65°F to 850°F (-54°C to 454°C) |
| Design Standards | ASTM A276/A479, ASME B31.3, ISO 8434-1 |

• Leak-tight, metal-to-metal seal — no sealants or tape required

• Ideal for instrumentation, gas, and fluid control systems

• Double ferrule system ensures consistent tube gripping and sealing

• Reusable and easy to install with standard tools

• Interchangeable with Swagelok®, Parker A-LOK®, Hy-Lok®, and DK-Lok® systems

• Corrosion-resistant and suitable for chemical, petrochemical, offshore, and laboratory applications

• Instrumentation and process control

• Skid-mounted systems and analyzers

• Hydraulic and pneumatic lines

• Marine, chemical, and water treatment plants

• Food, pharma, and biotech lines (if electropolished)

Additional Information:

• Delivery Time: READY STOCK

Product Details:

 KALPATARU ^{compression tube fittings are double ferrule-type fittings  which provide} 

^{leak-proof, torque-free seals at the tubing connection.}

^{They provide  safety and  eliminate hazardous leaks of fluids in the} 

^{instrumentation field for a process, pressure, hydraulic, and other applicable tubing systems}

Additional Information:

• Delivery Time: READY STOCK

Product Details:

^{KALPATARU  compression tube fittings are double ferrule-type fittings  which provide} 

^{leak-proof, torque-free seals at the tubing connection.}

^{They provide  safety and  eliminate hazardous leaks of fluids in the} 

^{instrumentation field for a process, pressure, hydraulic, and other applicable tubing systems}