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FAST AVAILABLE ITEMS

Items which are available faster are marked by * in the catalogue. Though it does not indicate any definate period of delivery, these items can be manufactured faster than the other items of its range. For example, Pipe section PS18/1000 can be supplied faster than any other pipe section of 450DN. This is because of following reasons:

  • Semi finish goods or row material for these items will be always avilable.
  • Method of production of these items are set.
  • Being fast moving items, these items may be available ex-stock with us.
 
REPAIRS

Though any damaged glass equipment can be repaired, mostly it is not economical to do so. Generally the repair which involves less than a third of its original work, is worth to carry out repairing. Repair work is costly because:

  1. It generally require greater skill than making a new one.
  2. Since it involves high risk of total breakage, the risk of total loss of time spent on its repairing goes alongwith.
  3. The work involved in receiving a damaged equipment, identifying it throughout the handling, cleaning it, estimating its repairing charges, re-estimating the repairing charges in case damage extends etc are relatively expensive.
  4. Each job require individual attention throughout the execution.

However, while sending an equipment for repairing, following care must be taken:

  1. Inform the nature of breakage and get an estimate of repairing charges in advance to avoid the loss of transportation expenses in case it is uneconomical to go for repairing.
  2. Since repairing takes longer time to fit into production schedules and completion of repairing is highly uncertain,it is generally suggested to arrange for a subsitute equipment to continue the work.
  3. Equipment to be repaired should be clean. Since it can be cleaned better and at less cost at owner's premises. It should be cleaned befor sending it for transportation. This also makes it safer to transport.
  4. Pack with extra care, since cracks in glass have a tendency to extend with every jerk.
  5. If Possible, send broken pieces alongwith it.
  6. Generally repairing work is accepted only for the equipment manufactured by us,and are repaired at owner's risk only.
 
DIMENSIONS,WEIGHTS AND SPECIFICATIONS

In this catalougue, dimensions, weights and other specificaions are taken more or less in accordance with Corning. This is to keep the flexibility of maximum interchange ability. However, some difference are unavoidable due to local manufacturing conditions. All the odd dimensions are rounded off.

All the dimensions and weights are approximate. The specifications given in the catalogue are intended to present a general description of the items. Since manufacturing of glass equipment involves all manual operations, certain tolerances are obvious and permissible while passing the items through quality control.

 
CATALOGUE REFERENCES

To avoid querries and delays in delivery, please always quote the catalogue reference in your order.

 
MODIFICATIONS

We reserve the right to carry out technical modifications of products and data mentioned in this catalogue as and when require.

 
STANDARDS PRACTICED
DIN ISO
3585
DIN ISO
3586
DIN ISO
3587
DIN ISO
4704
BSEN
1595

DIN ISO

718

 
XTRONG®Introduction

 

 

Tapered glass joints are predominantly used in industrial glass equipments. This design has a high ratio of radial to axial force, which frequently leads to breakage while tightening the flange joints.

A cylinder can withstand a much higher axial force than radial force plus glass has a very high compressive strength. We at GOEL recognized these features and by our innovative design practices developed XTRONG joints. The XTRONG joints are so designed that the harmful radial stresses are dramatically reduced . For a given axial force the radial forces are 14 times lesser than that in tapered joints.

XTRONG joints are parctically many times stronger then conventional tapered joints, As far as tightening of joints are concern, it is tested that a  XTRONG joint does not break even at a torque of 20Nm, as against tapered joints, which starts breaking at 6-7 Nm torque. At times it may happen that because of over tightening, a metal backing flange breaks or the threads of nut-bolts give way but XTRONG glass joint remains intact.

Most of the old glass installations in general contain equipments with tapered glass joints. XTRONG joints are fully compatible with these tapered joints i.e. an XTRONG equipment can replace another tapered equipment and vice versa in any existing unit. This interchangeability makes XTRONG design more adaptable in general conditions and change over cost is negligible .

 

XTRONG® joints

XTRONG joints have been developed, to arrest the frequent breakage and leakage problems. The XTRONG joints are so designed that the harmful radial stresses are dramatically reduced. For a given axial force the radial forces are 14 times lesser than that in tapered joints.

In addition to reducing the stresses, the XTRONG joint has the following advantages :

   
The ovality of the glass flange, present due to manufacturing process, has virtually no effect because the backing flange isn't ind direct contact with the periphery.
Continuous re-tightening of the backing flange or insert,due to bolting force & temperature effects,hence dismantling is easy. Also much smaller length threaded bolts are needed compared to the tapered joints.
The XTRONG joint is leak-tight at all design temperatures & pressure, even with temperature cycling and frequent plant start-up as it is possible to tighten the joints upto at tightening torque of 20 Nm as against 6-7 Nm tightning torque in tapered joints. In some cases the metal backing flange breaks but nothing happens to the glass components !

With so many benefits and particularly low breakage risk, we have adopted Xtrong design for all equipments manufactured by us. Xtrong is widely accepted and adopted by users as well as manufactures of Glass Equipments in India.
   
DIMENSIONS OF XTRONG® ENDS

DN

D2

D1

D

H1

H2

A

B

25

41

26

34

13

8

65

9

40

56

39

49

14

9

65

9

50

69

51

62

16

11

65

9

80

98

77

91

18

12

65

9

100

132

105

123

20

17

65

9

150

184

154

166

22

19

65

9

225

258

220

233

24

26

65
9
300
340
308
315
24
26
65
9
400
463
405
425
25
35
65
9
450
525
455
499
25
50
78
9

600

684

600

640

25

60

65

9