Quality Control Guidelines

  • Orson has all in house Die manufacturing facilities with latest VMC machines from Mazak, Japan.
  • Our highly trained and competent operators and engineers give their full attention at all stages of production to ensure the highest quality in our products.
  • The machining of the valve bodies and all functioning parts, critical to the tightness and guaranteed functionality of the valves are undertaken on modern Forging, multi axis CNC machines and transfer machines.
  • All products and gauges are subject to continuous control and these measurements are documented.
  • Bought in parts and materials are strictly controlled.
  • Release to customer is only done after final stringent inspections by the quality control engineers and by third party agency.
  • Valves are also sent to independent Laboratory for testing on regular basis.
  • Orson has in-house spectrometer for checking chemical composition of raw material, contour machine for checking radius and thread profile dimensions, wallace micro hardness tester for checking rubber components.
  • All valves are cleaned in Italian closed chamber ultrasonic cleaning machine before assembly.
  • We are using IR, USA make automatic torque tightening machine for two part valves tightening.
  • Valve dimensions are checked in Imaging Machine.

Safety Policy

The Safety Policy of our Company is “ORSON HOLDINGS CO. Ltd. commits itself to satisfy its customers through consistent quality and safe products, supplied in time and produced through proper technology and trained work force.”

Our company is having UL approval and Pi marked products as per European Directive (TPED).

Orson LPG Valves are manufactured as per EN standards and LPGA code of practice.

All Pi marked (TPED) valves are supplied under supervission of our Notified body “Bureau Veritas”

ORSON is certified to ISO 9001:2015 issued by the joint accreditation system of Dakks, Germany & Unicert. ORSON is also certified to ISO 14001:2015 & ISO 45001:2018 by the joint accreditation system of GIC JAS-ANZ.
View All Ceritificates.

UL, USA Listed Products

Pi marked (TPED) products as per European Directive

Registered Office:

14/ C Raja Santosh Road, Alipore, Calcutta – 700027, West Bengal, India

Factory Address:

Sankrail Industrial Park, NH-6, Bhagabatipur, Sankrail, Howrah – 711302

Admin Office:

8A, Rashbehari Avenue, 4th Floor, Kolkata – 700026, West Bengal, India
Tel: + 91 33 4604 1472

Contact Mr. Vivek Kumar Bhartia for any product information.

Mobile: +91 98310 40122