Venturi tube

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1. VENTURI TUBE, CS Fabricated
Body thickness : 6 mm
End Connection : Flanged as per IS-6392 Table-5
Along with Counter CS Flanges along with Gaskets & CS Fasteners
Design Standard : ISO-5167
Tappings : ½” NPT(F), 2 pairs

Tag No. FE-1
Service Mixed Gas
Pipe Size 400 mm NB
Flow Rate 0 – 10000 Nm3/hr
Temperature 35 deg.C
Pressure 50 kPa
D.P. (approx) 100 mm WC
Beta Ratio 0.66 (approx.)
Quantity 1 no.
Unit Rate Rs. 68,200.00 each

The other terms and conditions of business shall be as follows :
P&F : Extra 4%.
Delivery : Within 10 weeks of receipt of approvals.
Payment : 20% advance, balance against delivery on COD basis.
Tax : GST @ 18% (HSN Code 9026).
GST IN : 19AAACE5360L1ZF.
Inspection : At our works before delivery.
Freight : Shall be billed to you at actual.
Validity : 30 Days.

We hope you will find our offer acceptable & favour us with your valued business.

With best regards,

Dinesh Puri

Email message from :
ENGINEERING SPECIALITIES PVT. LTD.
30-F, Free School Street,
Kolkata : 700 016, India
Phone # [phone]
Email : [email protected], [email protected]
CIN : U29230WB1980PTC032850


From: Rao [mailto:[email protected]]
Sent: 14 May 2018 16:35
To: 'ESPL Kolkata'
Subject: RE: Requirement of Venturi Tubes

Dear Mr. Puri,

There is a small change the duct size is 400mm and flow is 10000 m3. Please cast it as given

Thank you

2. Govind Rao

From: ESPL Kolkata <[email protected]>
Sent: Monday, May 14, 2018 4:02 PM
To: 'Rao' <[email protected]>
Cc: 'Espl Kolkata' <[email protected]>
Subject: RE: Requirement of Venturi Tubes

Dear Sirs,

Please find the offer for Venturi Tube hereunder :

VENTURI TUBE, CS Fabricated
Body thickness : 6 mm
End Connection : Flanged as per 150# SORF
Along with Counter CS Flanges along with Gaskets & CS Fasteners
Design Standard : ISO-5167
Tappings : ½” NPT(F), 2 pairs

Tag No. FE-1
Service Mixed Gas
Pipe Size 500 mm NB assumed
Flow Rate 0 – 16000 Nm3/hr
Temperature 35 deg.C
Pressure 50 kPa
D.P. (approx) 100 mm WC
Beta Ratio 0.7 (approx.)
Quantity 1 no.
Unit Rate Rs. 92,200.00 each

The other terms and conditions of business shall be as follows :
P&F : Extra 4%.
Delivery : Within 10 weeks of receipt of approvals.
Payment : 20% advance, balance against delivery on COD basis.
Tax : GST @ 18% (HSN Code 9026).
GST IN : 19AAACE5360L1ZF.
Inspection : At our works before delivery.
Freight : Shall be billed to you at actual.
Validity : 30 Days.

We hope you will find our offer acceptable & favour us with your valued business.

With best regards,

Dinesh Puri

Email message from :
ENGINEERING SPECIALITIES PVT. LTD.
30-F, Free School Street,
Kolkata : 700 016, India
Phone # [phone]
Email : [email protected], [email protected]

3. CIN : U29230WB1980PTC032850


From: Rao [mailto:[email protected]]
Sent: 14 May 2018 10:55
To: 'ESPL Kolkata'
Subject: RE: Requirement of Venturi Tubes

Dear Mr. Dinesh Puri,
We require venturi tube for the following parameters.
Maximum Flow: 16000 M3/hr

Pressure drop : 100mm

Duct Size : to be designed

Maximum Flow to be considered as 20 Mamp

Minimum Flow as 0 for 4 Mamp

Composition of the Gas ( as below)

Carbon Monoxide……….. 20-26 %
Hydrogen……………………….15.5 %
Nitrogen……………………….. 54 %
CH4 …………………………………1.25%
C2H4…………………………………1.3%
Oxygen……………………………. 0.4%
Carbon Dioxide…………………7.55%

Please send us your best quote and any other queries required by you