Summary
  • Standard: ASTM A276 | A479 | A182
  • Sizes in Inch :1/8 to 2"
  • Sizes in mm: 3 to 50mm
  • End:Threaded, Welding, JIC
  • Pressure:1000 Psi, 3000 Psi, 6000 Psi, 10000 Psi
  • Threads:NPT , BSPT, BSPP
  • Equivalent:PARKER, SWAGELOK, HOKE, DK-LOK
  • Types: Tube to Male, Tube to Union, Tube to Female
  • MTC:EN 10204 3.1
  • RFQ:contact@pipingmaterial.sa
Double Ferrule Fittings

Twin Ferrule Fittings Component

Twin Ferrule Fittings Component
  • Compression Nut (A)
  • Back Ferrule (B)
  • Front Ferrule (C)
  • Fitting Body (D)

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Double Ferrule Fittings Specification

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Sizes
Double Ferrule Fittings Sizes
  • Sizes:1/8" to 2"
  • Sizes : 3 to 50mm
  • Custom Size
End
Twin Ferrule Fittings End
  • Welding
  • Threaded
  • JIC
Thread
Double Ferrule Compression Fittings Thread
  • BSPP
  • BSPT
  • NPT
Documentation
Twin Ferrule Tube Fittings Documentation
  • Third Party Inspection
  • 100% Radiography Test Report
  • NABL Approved Lab Reports
Origin
Double Ferrule Connector Origin
  • Japanese, European
  • American, Korean
  • Indian
Pressure
Double Compression Tube Fittings Pressure
  • 10000 Psi
  • 3000 , 1000 Psi
  • 6000 Psi
Testing
Double Ferrule Tube Fitting Testing
  • Repeat assembly test
  • Hydrostatic testing
  • Burst and Impulse test
Types
Double Ferrule Compression Tube Fittings Types
  • Elbow, Cap, Union
  • Tee, Cross
  • Plug, Connector
Standard Configurations
Twin Ferrule Tube Fitting Configurations
  • Tube to Tube, Female Connector
  • Tube Closure, Ferrule Set
  • Tube to Male, Weld Connector

Buy Swagelok Double Compression Tube Fittings for Air Spring With Size 1/8 to 2" OD or Custom

Double Ferrule Front Ferrule Sizes

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Double Ferrule Front Ferrule Sizes
OD1 MetricOD1 Imperial
31/8
21/16
43/16
85/16
61/4
103/8
145/8
121/2
167/8
153/4
181
221-1/2
201-1/4
252
30
28
38
32
50

Back Ferrule Dimensions

Back Ferrule Dimensions
OD1 MetricOD1 Imperial
31/8
21/16
43/16
85/16
61/4
103/8
145/8
121/2
153/4
181
167/8
221-1/2
201-1/4
252
30
28
38
32
50

Types Of Double Ferrule Compression Fittings

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Male Connector
Male Connector
Male Elbow
Male Elbow
Male Adapter
Male Adapter
Male Branch Tee
Male Branch Tee
Male Run Tee
Male Run Tee
Female Elbow
Female Elbow
Female Adapter
Female Adapter
Female Branch Tee
Female Branch Tee
Female Connector
Female Connector
Union Tee
Union Tee
Union Elbow
Union Elbow
Bulkhead Union
Bulkhead Union
Back Ferrule
Back Ferrule
Tube End Closure
Tube End Closure
Tube Nut
Tube Nut
Union Cross
Union Cross
Reducing Union
Reducing Union
Reducing Adapter
Reducing Adapter
Bulkhead Lock Nut
Bulkhead Lock Nut
Swivel Run Tee
Swivel Run Tee
Front Ferrule
Front Ferrule
Boiler Tube Plugs
Boiler Tube Plugs
Ferrule Compression Nut
Ferrule Compression Nut
Header Plugs
Header Plugs

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Double Compression Fittings Construction Material

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Typical raw material specifications head
MaterialBarForging
BrassASTMB 16 Alloy 360ASTMB124 ALLOY 377
BS2874 CZ121BS2872 CZ 122
ASTMB 453 Alloy 345
Stainless steelDIN 4401DIN 4401
BS970 316-S31BS970 316-S31
ASME SA479-316ASME SA182-316
High Duty BronzeDGS 1043 Grade 2DGS 1043 Grade 2
MonelASTMB164ASTMB164
BS3076 NA13BS3076 NA13
Incolony 825ASTMB425ASTMB425
BS3076 NA16BS3076 NA16
Hastelloy C276ASTMB575ASTNB574
6MoASTM A479ASTM A479
UNS S31254UNS S31254
Find Leak Proof Twin Ferrule Tube Fittings Stock With Compression End Able To Handle Pressure Upto 670 bars

Twin Ferrule Compression Fittings Pressure Rating

Discover Double Ferrule Fittings Traders in Saudi Arabia Online Who Supply With Different Pressure Rating

Tube OD (inch)(Swg/inch) wall thickness Tube
22/.02830/.01220/.03633/.01018/.04816/.06414/.08012/.104
3/8170s205275380480
1/8345515600805
1/4265315465635
1/21155205275380450
3/4105140195245300
1/16680465865385
5/8120170240310380
5/16205275380515
7/885120170225240
1 

Double Ferrule Compression Tube Fittings Threads

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Thread TypeSpecifications
ISO/BSP ParallelISO 228
NPTSAE AS71051, ASME B1.20.1
BSP or Cylindrical GASDIN 228
ISO/BSP TaperedBS EN 10226-1, ISO 7
METRIC DIN 158 and DIN 3852
SAE (Unified)ASME B1.1
BSPT (Conic gas) DIN 2858 ISO 7R
Discover Japanese Origin Double Ferrule Instrumentation Fittings With Different Threads, Maximum Strength and Ductility

Properties Of Double Ferrule Connector

  • Maximum Strength
  • Ductility
  • Simple to operate
  • No special equipments needed.
  • Fully Interchangeable With Swagelok.
  • Gaugeable Bodies.
  • Amazing Biting Performance
  • It can be reused.
  • Zero leakage even under tough working conditions
  • No Galling on the Body Threads.
Properties Of Double Ferrule Connector

Some Common Sizes Of Double Ferrule Tube Fitting

OD
Front FerruleBack Ferrule
  • 1/2"
  • 1/4"
  • 1/8"
  • 3/8"
  • 1"
  • 3/4"
  • 12mm
  • 8mm
  • 6mm
  • 10mm
  • 14mm
  • 3/4"
  • 1/4"
  • 1/8"
  • 3/8"
  • 1"
  • 1/2"
  • 10mm
  • 8mm
  • 6mm
  • 14mm
  • 12mm

Twin Ferrule Tube Fitting Purposes

  • Offer Leak Proof Connection
  • With Assembly of Nut and Ferrule To Connect Pipes or Tubes  
  • Back Ferrule Design to Grips the Front Ferrule and Holds the Tubing
  • Front Ferrule Design to Cover Between the Tubing, Ferrule and Fitting Body

Two Ferrule Fitting For Gas Service

Suggested Wall ThicknessTube Minimum O.D.  
.028"1/8"
.028"1/16"
.035"5/16"
.028"1/4"
.041"1/2"
.035"3/8"
.062"3/4"
.052"5/8"
.083"1"
.073"7/8"
.125"1-1/2"
.104"1-1/4"
.167"2"

Application Of Double Ferrule

  • Power generator
  • Refinery
  • Shipbuilding
  • Instrumentation
  • Petrochemical
  • Pharmaceutical
  • Chemical
  • Semiconductors
Application Of Double Ferrule

Double Ferrule Compression Fitting Type Designators

Fitting Name Designator
IdentifierFullform
BMCBulkhead Male Connector
MCMale Connector
MRTMale Run Tee
MEMale Elbow
UTUnion Tee
MBTMale Branch Tee
UUnion
BUBulkhead Union
RUReducing Union
UEUnion Elbow
FCFemale Connector
UCUnion Cross
FEFemale Elbow
BFCBulkhead Female Connector
FBTFemale Branch Tee
FRTFemale Run Tee
MAMale Adapter
RReducer
FAFemale Adapter
BFBack Ferrule
NNut
PPlug
FFFront Ferrule
CPCap

Installation Step For Dual Ferrule Fittings

Installation Step For Dual Ferrule Fittings

Double Ferrule Tube Fittings Standard Configurations

  • Positionable Elbow & Tee (Swivel)
  • Tube to Male - Male Stud, Male Elbow, Male Tee
  • Tube to Tube - Straight, Elbow, Tee, Cross, Bulk Head
  • Female Connector - Female Straight, Elbow, Tee
  • Ferrule Set and Nut, Weld Connector
  • Tube Closure - Cap, Plug

Thread Designator Of Double Ferrule Pipe Fittings

Thread Designator
Nominal Size1/2”1/4”1/8”3/8”1”3/4”Applicable Specifications
NPT84261612ANSI B1.20.1 (NPT)
ISO Parallel8BSPP4BSPP2BSPP6BSPP16BSPP12BSPP DIN ISO 228/1, BS 2779 (BSPP), JIS B0202(PF)
ISO Tapered8BSPT4BSPT2BSPT6BSPT16BSPT12BSPT JIS B0203(PT), BS 21(BSPT), ISO7/1

Double Compression Fittings Temperature Range

Temperature °F (°C)Stainless Steel 316Brass
200 (93)​1.000.80
100 (38)1.00​1.00
400 (204)0.97​0.50
300 (149)​1.000.78
500 (260)0.900.13
700 (371)​0.82-
600 (316)0.85-
900 (482)0.78-
1200 (649)0.37
800 (427)0.80-
1000 (538)0.77-

Testing Of Parker Double Ferrule Fittings

  • Minimum Static Vacuum Test
  • Hydraulic Impulse Vibration Test
  • Proof Pressure Test
  • Minimum Hydraulic Burst Pressure
  • Dismantling and Reassembly Test
  • Hydrostatic Testing

Twin Ferrule Fittings Tubing wall thickness

Tube OD (inch)​WT (inch)
​0.035"
WT (inch)
​0.028"
WT (inch)
​0.065"
WT (inch)
​0.049"
WT (inch)
​0.188"
WT (inch)
​0.095"
WT (inch)
​0.083"
WT (inch)
​0.109"
WT (inch)
​0.134"
WT (inch)
​0.120"
WT (inch)
​0.156"
3/16"70005400 10200       
1/8"109008500         
1/4"​51004000102007500       
3/8"3300 65004800  8600    
5/16"4000 80005800       
1/2"2600 51003700  6700    
3/4"  33002400 490042005800​ 6400 
5/8"  40002900 60005200    
7/8"  28002000 42003600480061005400 
2"    3600  2000250022002900
1  1/4"​     280024003300410036004900
1"  2400  360031004200530047006200
1  1/2"    49002300 2700340030004000

Swagelok Double Ferrule Seal Material

Elastomer Seal MaterialWorking Temperature
FKM (Viton)-28°C to 204°C
NBR (Perbunan)-25°C to 110°C
PTFE (Teflon)-30°C to 315°C
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