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FERRULE TUBE FITTINGS
SINGLE FERRULE FITTINGSSs Parallel Male Stud Coupling
Product Details:
| Minimum Order Quantity | 10 Piece |
| Tube Size | 12 mm |
| Thread Size | 1/2" BSP M |
| Material | SS |
| Thread Type | BSPP |
| Series | Heavy Series |
| Usage | Hydraulic |
| Seal Type | O Ring |
| Inner Daimeter | 12 mm |
| Size/Diameter | 0.5 inch |
| End Connection Type | Buttweld |
| Type of Coupling | Half |
| Usage/Application | Gas Pipe |
| Brand | Kalpataru |
Stainless Steel (SS) Hydraulic Pipe Line Male Stud Coupling is a high-pressure hydraulic fitting used to connect hydraulic pipes or tubes to components with female-threaded ports. It typically features a male parallel thread (like BSPP or Metric) and is designed for leak-free connections in demanding environments using O-ring or bonded seal technology.
🔩 What is an SS Hydraulic Male Stud Coupling?| Feature | Description |
|---|---|
| Connection Type | Male thread (usually parallel) with stud and seal face |
| Material | Stainless Steel (typically SS316 or SS316Ti for corrosion resistance) |
| Sealing Method | O-ring face seal or bonded washer for leak-free connections |
| Pipe End | Compression or bite-type tube fitting |
| Thread Standards | BSPP (G), Metric, NPT, UNF depending on the system |
| Pressure Rating | Commonly up to 400–600 bar (~6000–8700 psi), depending on size and standard |
| Temperature Range | -40°C to +250°C (varies with seal material) |
| Standard | Thread Type | Sealing | Used In |
|---|---|---|---|
| DIN 2353 / ISO 8434-1 | Metric | O-ring / Metal | Industrial hydraulics |
| ISO 1179-2 | BSPP | Bonded Washer | Hydraulic systems (European standard) |
| ISO 6149 | Metric | O-ring | Modern hydraulic systems |
| SAE J514 | UNF | O-ring Face Seal (ORFS) | High-pressure hydraulic lines |
Product: SS316 Hydraulic Male Stud Coupling
Thread: G 1/2" BSPP Parallel (ISO 1179)
Seal: Bonded Seal Washer
Tube Side: 12 mm or 15 mm OD hydraulic pipe
Pressure Rating: 400 bar
Material: SS316 (WNR 1.4401 or 1.4571)
Standard: DIN 2353 / ISO 8434-1
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High-pressure hydraulic systems
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Marine and offshore hydraulic installations
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Food & beverage processing equipment
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Chemical and pharmaceutical plants
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Mobile machinery (cranes, excavators, etc.)
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Thread Type: Know if your port is BSPP, Metric, UNF, NPT, etc.
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Tube OD: Match with the pipe or tube outer diameter (e.g., 6mm to 42mm)
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Seal Type: O-ring (for ISO 6149 / Metric), bonded washer (for BSPP)
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Pressure Rating: Based on size and application
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Material Grade: Use SS316 for aggressive or corrosive environments
You have a 316 stainless steel hydraulic tube (12 mm OD) and need to connect it to a valve port with G 1/2" BSPP parallel female thread. You would use a:
✅ SS Male Stud Coupling
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Tube end: 12 mm compression fitting (per DIN 2353)
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Threaded end: G 1/2" BSPP male with bonded seal
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Material: SS316
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stainless steel Couplings
Product Details:
| Minimum Order Quantity | 10 Piece |
| Coupling Type | Half Coupling |
| Material | SS |
| Material Grade | SS 304 |
| End Connection Type | Threaded |
| Type of Coupling | Full |
| Usage/Application | Gas Pipe |
| Pressure Rating | 2000 lbs |
| Length | 48 mm |
| Surface Finish | Smooth |
| Usage | Oil And Gas |
| Shape | round |
| Range | Tee, Plug, Socket |
| Size/Diameter | 0.75 inch |
| Size | 0.25 inch |
tainless Steel Full Coupling – Key Features
| Property | Description |
|---|---|
| Material | Stainless steel (commonly SS304, SS316, SS316L) |
| Design | Cylindrical body with female threads or socket ends on both sides |
| Type | Threaded or socket weld |
| Connection | Pipe-to-pipe, same or different lengths |
| Pressure Rating | Typically rated to ANSI/ASME B16.11 for forged fittings |
| Sizes | Commonly 1/8" to 4" (and beyond for industrial needs) |
| Standards | ANSI, ASME, ASTM A182 (for forged stainless steel), MSS-SP-83 |
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SS304: General corrosion resistance, cost-effective
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SS316/316L: Better corrosion resistance, especially to chlorides (e.g., marine, chemical)
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Durable & Long-lasting: Withstands high pressures and harsh environments
| Type | Description | Example Use |
|---|---|---|
| Threaded Full Coupling | Internal threads (NPT/BSP) on both ends | Joining threaded pipes in plumbing |
| Socket Weld Full Coupling | Plain ends for socket welding | High-pressure systems |
| Reducing Full Coupling | Connects pipes of different diameters | Adapting to size changes |
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Oil & Gas
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Chemical Processing
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Water Treatment
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Pharmaceutical
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Food & Beverage
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Steam Lines
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High-pressure pipelines
Product: Stainless Steel 316 Full Coupling
Type: Forged, Threaded (NPT), Class 3000
Standard: ASME B16.11
Size: 1" x 1"
Material: ASTM A182 F316
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Additional Information:
- Packaging Details: box
Stainless steel Parallel Male Stud Coupling
Product Details:
| Tube Size | 16 mm |
| Thread Size | 1/4" |
| Material | SS |
| Thread Type | BSPT |
| Series | Heavy Series |
| Surface Finish | Nickel Plated |
| Usage | Hydraulic |
| Seal Type | Metal To Metal |
| Inner Daimeter | 1/2" |
| Size/Diameter | 0.5 inch |
| End Connection Type | Threaded |
| Type of Coupling | Full |
| Usage/Application | Chemical Handling Pipe |
| Brand | KALPATARU |
A Parallel Male Stud Coupling is a type of hydraulic fitting commonly used to connect a tube or hose to a female-threaded port, such as in valves, manifolds, or hydraulic cylinders. It features a parallel (non-tapered) male thread and a stud end that can be sealed using a metal-to-metal or O-ring face seal.
🔩 What is a Parallel Male Stud Coupling?| Feature | Description |
|---|---|
| Thread Type | Parallel (non-tapered) thread — e.g., BSPP (British Standard Pipe Parallel), Metric Parallel |
| Connection Style | Male stud thread with sealing via bonded washer, O-ring, or metal face |
| End Connection | Often connects to a compression fitting, tube, or hose |
| Material | Stainless steel (e.g., SS316), brass, or carbon steel |
| Pressure Rating | Depends on thread size and sealing type — typically up to 6000 psi (400 bar) or more in stainless steel |
| Standard | Description | Sealing Method |
|---|---|---|
| BSPP (G thread) | British Standard Pipe Parallel | Bonded seal washer (ISO 1179) |
| Metric Parallel (M) | ISO 6149 or DIN 3852 | O-ring face seal |
| UNF (SAE) | Unified Fine Thread | O-ring face or flare |
| NPSM | National Pipe Straight Mechanical | Mechanical seal with cone seat |
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One end: Male parallel thread (e.g., G 1/2", M20x1.5)
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Other end: Male or female tube/hose fitting, or direct compression fitting
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Sealing face: May include a machined face for O-ring or bonded washer
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Hydraulic and pneumatic systems
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Industrial machinery
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Process equipment
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Marine and offshore
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Automotive and mobile hydraulics
Product: Male Stud Coupling BSPP Parallel Thread
Thread: G 1/2" Male
Seal: Bonded Washer
Material: Stainless Steel 316
Standard: ISO 1179-2 / DIN 3852-A
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double ferrule Cross Tee Fittings
Product Details:
| Minimum Order Quantity | 10 Piece |
| Size | 3/4 inch |
| Connection Size | 1/2 inch |
| Cross Type | Equal Cross |
| Material | Stainless Steel |
| End Connection | Threaded |
| Working Pressure | 100–250 bar |
| Shape | Cross |
| Pressure Rating | 300 Class |
| Standard | ASME B16.9, ASME B16.11 |
| Surface Finish | Polished |
| Usage | Oil And Gas, Irrigation, Chemical |
| Manufacturing Method | Forged |
| Brand | KALPATARU |
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
Types
Tube to Union, Tube to Male, Tube to Female, Instrument Pipe Fittings, Accessories
TYP YOF FITTINGS
ELBOW, TEE, UNION, MALE CONNECTOR, FEMALE CONNECTOR
Equivalent To
SWAGELOK, PARKER, DK-LOK, HOKE, KALPATARU
Grade
SS304, SS316, DUPLEX,SUPER DUPLEX,MONEL
Sizes
1/8’’ to 2’’ and 3mm to 50mm
Ends
Threaded, Welding, JIC,
Pressure Rating
1000 Psi, 3000 Psi, 6000 Psi, and 10000 Psi
Threads
NPT, BSPT, and BSP
HS CODE
73072900
APPLICATIONS
OIL,GAS,PETROCHEMICALS INDUSTRIES,REFINERYS,HYDROLICLINE
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SS HYDRAULIC WELD NIPPLE TEE
Product Details:
| Size | 3/4 inch |
| Grade | SS304L |
| Schedule | SCH 40 |
| Material | SS |
| Standard | DIN |
| End Connection | Butt Weld |
| Surface Finish | Mill Finish |
| Brand | Indian Make |
| Pressure Rating | 300 Class |
| Application | Pharma, HVAC, Oil and Gas, Chemical Plant, Food Industry |
| Inner Daimeter | 25.4 |
| Size/Diameter | 1 inch |
| End Connection Type | Buttweld |
| Type of Coupling | Full |
| Usage/Application | Gas Pipe |
A Stainless Steel (SS) Hydraulic Weld Nipple Tee is a weldable pipe or tube fitting used in high-pressure hydraulic systems to create a T-branch connection between three hydraulic lines. The "weld nipple" design refers to ends prepared for butt welding or socket welding, ensuring a strong, leak-proof joint suitable for high pressure and vibration environments.
🔩 What is an SS Hydraulic Weld Nipple Tee?| Feature | Description |
|---|---|
| Shape | Tee (T-shaped) – connects 3 pipes: 1 inlet, 2 outlets or vice versa |
| Ends | Weld nipples (butt weld or socket weld ends) |
| Material | Stainless Steel (SS304, SS316, SS316L, or duplex grades) |
| Application | High-pressure hydraulic systems |
| Connection Type | Welded (not threaded or flanged) |
| Pressure Rating | Typically up to 6000 psi (400 bar) or more depending on size & spec |
| Standards | DIN 2353 (for tube ends), ASTM A403, ASME B16.9 (for welded fittings) |
| Grade | Best For |
|---|---|
| SS304 | General use, moderate corrosion resistance |
| SS316 / SS316L | Excellent corrosion resistance, marine and chemical environments |
| Duplex SS | High strength, high corrosion resistance (e.g., offshore) |
| Type | Description |
|---|---|
| Butt Weld Nipple | Designed for pipe-to-pipe welding with beveled ends |
| Socket Weld Nipple | Pipe inserts into socket; good for smaller sizes |
| Plain Pipe Nipple Ends | Prepared for manual or automatic TIG/MIG welding |
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Tube/pipe OD: 6 mm to 42 mm (DIN) or 1/8" to 2" NPS (ASME)
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Pressure class: 3000, 6000 psi or per DIN 2353 heavy/light series
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Wall thickness: As per SCH40/80 or DIN standards
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Hydraulic lines in:
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Industrial machinery
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Mobile equipment (excavators, cranes)
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Marine and offshore systems
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High-pressure chemical systems
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Oil & Gas
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Pharmaceuticals (SS316L preferred)
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Water treatment
Product: SS316 Hydraulic Weld Nipple Tee
Ends: 3 × Butt Weld Ends (12 mm OD)
Standard: DIN 2353 / ASTM A403 WP316
Pressure Rating: 400 bar
Temperature: -40°C to +250°C
Finish: Pickled and passivated
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