Question 1

What types of gauges does DSN Enterprises manufacture?

Accepted Answer

We manufacture plain gauges (plug, ring, snap, and setting masters), thread gauges for standard and special forms, API gauges for oil and gas connections, and custom gauges built to your drawing. We also supply reference standards and support calibration through our NABL-aligned laboratory.

Question 2

Where is DSN Enterprises located?

Accepted Answer

Our manufacturing and calibration facility is in Coimbatore, Tamil Nadu. From here we serve customers across Tamil Nadu, pan-India, and export markets—with technical support available by phone, email, and scheduled plant visits.

Question 3

What industries do you serve?

Accepted Answer

We work with oil and gas, automotive and tier suppliers, aerospace and defence subcontractors, heavy engineering, power and process equipment, textile machinery, marine fabrication, railways, and precision job shops that depend on reliable GO/NO-GO inspection.

Question 4

Do you have quality certifications?

Accepted Answer

Yes. We operate under ISO 9001:2015 quality management. Our calibration laboratory is NABL accredited. API 5B and API 7-2 licensed manufacturing supports OCTG and rotary shouldered gauge programmes. Certificates are issued with traceable measurement data.

Question 5

What is the typical lead time for standard gauges?

Accepted Answer

Standard plain and thread gauges are typically 2–3 weeks from confirmed order, depending on size, tolerance class, and quantity. Common sizes may be available faster. Express manufacturing is available when your line cannot wait—share your deadline when requesting a quote.

Question 6

Can you manufacture custom gauges as per our drawings?

Accepted Answer

Yes. Custom and special gauges are a core capability. Send your drawing with tolerance, material, and thread data. Our engineers review manufacturability, suggest practical tolerances if needed, and quote with a clear lead time before production starts.

Question 7

What materials are used for manufacturing gauges?

Accepted Answer

We use premium gauge steels including OHNS (W) for most working gauges, with carbide options for high-wear applications. Material is sourced with test certificates. Heat treatment includes controlled hardening and SUB-ZERO treatment at −80°C for dimensional stability, targeting 60 ± 2 HRC.

Question 8

What thread forms can you manufacture?

Accepted Answer

Metric (ISO), Unified (UNC/UNF/UN), BSP/BSPT, BSW/BSF, NPT/NPTF, ACME, buttress, trapezoidal, spline, and proprietary profiles from drawing. API thread programmes follow API 5B and API 7-2 requirements where applicable.

Question 9

Do you provide calibration certificates with gauges?

Accepted Answer

Yes. New gauges ship with calibration certificates showing measured dimensions and traceability. NABL-traceable certificates are available when your quality system or customer contract requires accredited documentation.

Question 10

What API specifications do your gauges comply with?

Accepted Answer

Our API gauge programmes align with API 5B (casing, tubing, and line pipe threads) and API 7-2 (rotary shouldered connections). Gauges are manufactured and verified to the tolerances your threading programme requires, with documentation suitable for field and workshop use.

Question 11

Do you manufacture API license gauges?

Accepted Answer

We are a licensed API manufacturer for relevant gauge types. Working and reference gauges are built to API dimensional requirements with calibration data and traceability. Share your connection type and programme so we can confirm the correct gauge set.

Question 12

What is the difference between working and reference API gauges?

Accepted Answer

Working gauges are used daily on the shop floor for production acceptance. Reference (master) gauges have tighter control and are used to verify working gauges and setup. We supply both, with calibration suited to each role in your quality plan.

Question 13

What calibration services do you offer?

Accepted Answer

We calibrate plain, thread, snap, and API gauges; setting masters; and selected dimensional tools. Services include standard and express turnaround, repair and refurbishment, and on-site verification by appointment for plants that cannot release gauges for long periods.

Question 14

Is your calibration laboratory accredited?

Accepted Answer

Yes. Our laboratory is NABL accredited, so results are traceable to national standards and accepted in ISO audits, customer source inspections, and regulated supply chains that require accredited calibration.

Question 15

What is the typical turnaround time for calibration?

Accepted Answer

Standard calibration is 3–5 working days from receipt at our Coimbatore lab. Express service (24–48 hours) is available for urgent line stops. On-site calibration is scheduled based on location and scope.

Question 16

Do you calibrate gauges from other manufacturers?

Accepted Answer

Yes. We calibrate gauges from any manufacturer. If a gauge is worn beyond usable limits, we advise repair, reconditioning, or replacement rather than issuing a certificate that does not reflect fit for use.

Question 17

How often should gauges be calibrated?

Accepted Answer

Frequency depends on usage, environment, and your quality plan. Many shops calibrate working gauges every 6–12 months; heavy-use or critical lines may need shorter intervals. Reference gauges are often on a 12–24 month cycle. We can help define a recall programme.

Question 18

What is your minimum order quantity?

Accepted Answer

There is no fixed minimum. We handle single-gauge custom orders and volume production alike. For very small custom lots, combining items in one order can improve scheduling efficiency—we will advise when quoting.

Question 19

How can I request a quotation?

Accepted Answer

Use the contact form on this site, email info@dsnenterprises.com, or call +91 93631 22005. Include drawing or size, tolerance, thread specification, quantity, and certificate requirements. We usually respond within one business day.

Question 20

What payment terms do you offer?

Accepted Answer

Domestic orders are typically advance or part-advance before dispatch; regular accounts may qualify for agreed credit terms. Export orders are generally advance payment or confirmed letter of credit—details are confirmed on your proforma invoice.

Question 21

Do you ship internationally?

Accepted Answer

Yes. We export to the Middle East, Europe, the Americas, and Southeast Asia with appropriate shipping documentation. Air freight is used for urgent lots; sea freight suits larger or heavier consignments.

Question 22

Can I visit your manufacturing facility?

Accepted Answer

Yes. Plant visits are welcome for drawing reviews, first-article discussions, and audit preparation. Contact us to schedule a visit to our Coimbatore works and calibration laboratory.

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