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Tube Fittings
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Vaishnavi Hydraulics Pvt. Ltd.
Vaishnavi Hydraulics Pvt. Ltd.
Vaishnavi Hydraulics Pvt. Ltd.
Vaishnavi Hydraulics Pvt. Ltd.
Vaishnavi Hydraulics Pvt. Ltd.

Vaishnavi Hydraulics Pvt. Ltd.
Vaishnavi Hydraulics Pvt. Ltd.
Home » Tube Fittings » Twin Ferrule Bite Type Fittings
Vaishnavi Hydraulics Pvt. Ltd.
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TUBE FITTINGS

TWIN FERRULE BITE TYPE FITTINGS

Vaishnavi Engineering
Twin Ferrule Bite Type Fittings are sold completely assembled and ready for immediate use. Simply insert the tube as illustrated until it bottoms in the fitting body. (If the fitting is dis-assembled, note that the small tapered end of the ferrule (s) go into the fittings body).

Method
Simply place the nut on the thread and rotate. Tighten the nut using wrench with 1 - 1/4 turns as indicated below. Hold the fitting body with a second wrench to prevent it from turning. It is helpful to mark the nut to facilitate counting the number of turns For maximum number of remakes, mark the fitting and nut before disassembly. Before retightening, make sure the assembly has been inserted into the fitting until the ferrule seats in the fitting. Retighten the nut by hand. Rotate the nut with a wrench to the orginal position as indicated by the previous marks lining up. (A noticeable increase in mechanical resistance will be felt indicating the ferrule is being re - sprung into sealing posistion. Only after several remakes will it become necessary to advance the nut slightly past the original position. This advance (indicated by B) need only be 100 - 200(less than 1/3 of a hex flat).

Instrument Tubing Selection Guide

Tubing Ordering Suggestions
Tubing for use with Ve - Lock instrument fitting must be carefully ordered to insure adequate quality for good performance. Each purchase order must specify the material nominal outside diameter, and wall thickness. Ordering to ASTM specifications insure that the tubing will be dimensionally, physically and chemically within strict limits. Also more stringent requirements may be added by the user. All tubing should be completely free of scratches and suitable for bending. A purchase order meeting the above criteria would read as follows:
Tube End Dimensional Data


INCHES


VE-LOCK


D TUBE
SIZE TUBE STRAIGHT
H E INS.
NO. O.D. THREAD C HEX DIA DEPTH
1 1/16" .10-32 43 5/16" 52 34
2 1/8" .5/16-20 60 7/16" 93 50
3 3/16" .3/8-20 64 1/2" 125 54
4 1/4" .7/16-20 70 9/16" 187 60
5 5/16" .1/2-20 73 5/8" 250 64
6 3/8" .9/16-20 76 11/16" 281 67
8 1/2" .3/4-20 87 7/8" 406 90
10 5/8" .7/8-20 87 1" 500 96
12 3/4" .1-20 87 1-1/8" 625 96
14 7/8" .1-1/8-20 87 1-1/4" 750 1.03
16 1" .1-5/16-20 1.05 1-1/2" 875 1.24
20 1.1/4" .1-5/8-20 1.52 1-7/8" 1.09 1.61
24 1.1/2" .1-15/16-20 1.77 2-1/4" 1.34 1.96
32 2" .2-5/8-20 2.47 2-3/4" 1.81 2.65


Note : Dimensions C and D and are shown in the finger - tight position. Average Value Dimensions for reference only, subject to change.

Design of Clamp Bodies Installation Data Sheet
   

MILLIMETERS


VE-LOCK


D TUBE
SIZE TUBE STRAIGHT
H E INS.
NO. O.D. THREAD C HEX DIA DEPTH
2 2mm .5/16-20 15.3 12 1.7 12.9
3 3mm .5/16-20 15.3 12 2.4 12.9
4 4mm .3/8-20 16.1 12 2.4 13.7
6 6mm .7/16-20 17.7 14 4.8 15.3
8 8mm .1/2-20 18.6 15 6.4 16.2
10 10mm .5/8-20 19.5 18 7.9 17.2
12 12mm .3/4-20 22 22 9.5 22.8
14 14mm .7/8-20 22 24 11.1 24.4
15 15mm .7/8-20 22 24 11.9 24.4
16 16mm .7/8-20 22 24 12.7 24.4
18 18mm .1-20 22 27 15.1 24.4
20 20mm .1-1/8-20 22 30 15.9 26
22 22mm .1-1/8-20 22 30 18.3 26
25 25mm .1-5/16-20 26.5 35 21.8 31.3


Note : Dimensions C and D and are shown in the finger - tight position. Average Value Dimensions for reference only, subject to change.

Table 9 lists specific ordering information for each material.


Table 9
Material Type ASTM Tubing Spec Condition Max.Recommended




Hardness
stainless Steel 304,316,316L ASTM A 269,A 249, Fully Annealed 90 Rb


A 213,A632

Copper K or L ASTM - B75 Soft Annealed 60 Max


B68, B88 (K or L) Temper 0 rockwell 15 T
Carbon steel 1010 SAE -J524b,J525b Fully Annealed 72 Rb


ASTM-A-179

Aluminum Alloy 6061 ASTM B-210 T6 Temper 56 Rb
Monel 400 ASTM B-165 Fully Annealed 75 Rb
Alloy C-276 C - 276 ASTM -B - 622,B - 626 Fully Annealed 90 Rb
Alloy 600 600 ASTM B -167 Fully Annealed 90 Rb
Carpenter 20 20CB - 3 ASTM B -468 Fully Annealed 90 Rb
Titanium Commercially ASTM B - 338 Fully Annealed 99 Rb

Pure Grade 2

200 Brinell Typical


Note : B88 Copper Tube to be ordered non - engraved


BULKHEAD COUPLING EQUAL CROSS MALE RUN TEE REDUCING UNION COUPLING
BULKHEAD COUPLING
EQUAL CROSS
MALE RUN TEE
REDUCING UNION COUPLING


EQUAL UNION COUPLING EQUAL ELBOW COUPLING EQUAL UNION COUPLING Accessories
EQUAL UNION COUPLING
EQUAL ELBOW COUPLING
EQUAL UNION COUPLING
ACCESSORIES


ADAPTOR THREAD FITTINGS

Vaishnavi Engineering
Adaptor Thread Fittings are available in various designs like straight, elbow, tee, swivel and others.
Adaptor Thread Fittings are widely used for intermediate to the Hose pipes & installation body.
Adaptor Thread Fittings are available in many sizes & details you can see in our PDF data sheet.
Adaptor Thread Fittings are designed as per its respective Standards as below :-

THREAD TYPE STANDARD USED AS AVAILABLE MOC = MATERIALS
BSPP ISO 228 - 1G STEEL / STAINLESS STEEL / BRASS
BSPT ISO 7/1 ,JIS B 0203 STEEL / STAINLESS STEEL / BRASS
NPT SAE J 476 ,ANSI B1.20.3 STEEL / STAINLESS STEEL / BRASS
JIC
STEEL / STAINLESS STEEL / BRASS
UNF
STEEL / STAINLESS STEEL / BRASS
METRIC DIN 2353 - ISO 8434 -1 STEEL / STAINLESS STEEL / BRASS

HEX / HOSE ADAPTOR ADAPTOR - MALE x FEMALE ADAPTOR - SW (F) x (F) MALE ELBOW
HEX / HOSE ADAPTOR
ADAPTOR - MALE x FEMALE(SW)
ADAPTOR - SW (F) x (F)
MALE ELBOW


FEMALE SWIEVEL ELBOW ELBOW - MALE x FEMALE (SW) MALE x FEMALE ELBOW ELBOW - FEMALE x FEMALE
FEMALE SWIEVEL ELBOW
ELBOW - MALE x FEMALE (SW)
MALE x FEMALE ELBOW
ELBOW - FEMALE x FEMALE


VSTI / ALLEN PLUG WITH ED HEX MALE PLUG MALE TEE FEMALE (SW) TEE
VSTI / ALLEN PLUG WITH ED
HEX MALE PLUG
MALE TEE
FEMALE (SW) TEE


BRANCH (SW) TEE SWIEVEL FEMALE PLUG SOCKET - FEMALE x FEMALE RI -REDUCE MALE x FEMALE
BRANCH (SW) TEE
SWIEVEL FEMALE PLUG
SOCKET - FEMALE x FEMALE
RI -REDUCE MALE x FEMALE


Design of Clamp Bodies      
RI -REDUCE MALE x FEMALE
     

TECHNICAL DATA SHEET FOR ADAPTOR FITTINGS

JIC 37 FLARE FITTINGS

Vaishnavi Engineering
JIC 37 Flare Fittings VE-LOCK represents the JIC 37 Flare Fitting concept since year 1994 and the design has since gained worldwide acceptance due to its many inherent features and customer benefits. Today,the JIC 37 Flare Fitting is the most widely used fitting in the world. Its appeal is in its simplicity, compact design, ease of assembly, reliability (single seal), material availability, adaptability to inch or metric tube, worldwide availability and acceptance. Further helping its acceptance is its widespread use as a hose Adaptor.

Even though JIC 37 Flare Fittings are generally considered to be 3000 psi fittings, VE-LOCK's capabilities range from 9000 psi for 1/4" size to 2000 psi for 2" size. Currently,it is used in virtually every application that uses fluid power for motion control.

Features
Design and Construction
JIC 37 Flare Fittings The VE-LOCK (JIC 37 Flare Fitting) design is simple. It uses an easily produced flare at the tube end to seal and hold fluid under high pressure. The fitting consists of three pieces : the body, sleeve and nut. The tube end is flared at a 37 ° angle (74 0 include angle) and held between the fitting nose (seat) and the sleeve (support) with the nut as shown in Fig.C2,providing a very effective (single) seal between the fitting nose and the tube flare.

The JIC 37 Flare Fitting incorporates the smallest seal area of all fitting types. Seal area, as seen in Fig C2, is only slightly larger than the fluid flow area. The small seal area results in a compact design, low assembly torque, and a relatively high-pressure capability.

JIC 37 Flare FittingsThe primary difference between a two -piece flare fitting and the three - piece design is the flare support sleeve. The support sleeve provides several key functions:
  1. It provides a clamping surface for the tube flare.
  2. It provides a bearing surface for the tube nut. The sleeve isolates the tube form the nut, minimizing the tube twist during assembly,a common problem of 2-piece flare fitting designs.
  3. It provides support to the tube flare. The tapered fitting nose tends to "wedge open"the tube flare during assembly. The sleeve helps to resist this expansion,thus eliminating the possibility of tube flare and sleeve jamming inside the nut. This eliminates any waste of applied torque and allow for easy disassembly.
  4. It makes the JIC 37 Flare Fitting adaptable to metric tube merely by changing its inside diameter (see Table C2)
JIC 37 Flare Fittings
VE-LOCK Male Flare End
The VE-LOCK Male Flare End is attachable to either inch tube, metric tube or a hose assembly. The range offers many different port thread options for the various international hydraulic ports. This is one of the primary reasons for its worldwide acceptance. VE-LOCK has traditionally offered a "Metric flared product line directed at the Metric. ISO - 6149 and BSPP Port users. Rather than carrying a separate catalog section, this range of international fitting has been integrated.

To illustrate the versatility of VE-LOCK refer to Fig.C3, A single JIC 37 Flare Fittings body will accept both inch and metric tube sizes by simply changing the sleeve. Thus, a dedicated line of sleeves is offered for inch and metric tube. The universal tube nut and fitting body is used with either inch or metric tube, thus saving on component coast and making the VE-LOCK fitting more versatile. Also, the 37 ° body without the nut and sleeve is very popular as a hose Adaptor.

JIC 37 Flare FittingsStudy the following example illustrating the options with an SAE -8 (1/2") VE-LOCK fitting:
  1. Fitting with a -8 (1/2") sleeve and -8(1/2") tube nut can connected to a 1/2" o.d. flared tube.
  2. Fitting with a 12 mm sleeve and -8 (1/2") tube nut can connected to a 12 mm o.d. flared tube.
  3. Fitting without a nut and sleeve can be used as a 1/2" hose Adaptor when connected to a hose swivel.


JIC FLARE FITTINGS JIC MALE CONNECTOR JIC EQUAL ELBOW JIC EQUAL TEE
JIC FLARE FITTINGS
JIC MALE CONNECTOR
JIC EQUAL ELBOW
JIC EQUAL TEE


JIC EQUAL UNION JIC NUT & FERRULE JIC HEX PLUG JIC BULKHEAD ELBOW
JIC EQUAL UNION
JIC NUT & FERRULE
JIC HEX PLUG
JIC BULKHEAD ELBOW
JIC BULKHEAD UNION JIC SWIEVEL ELBOW    
JIC BULKHEAD UNION
JIC SWIEVEL ELBOW
   



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