HG/T 4270-2011Vacuum deaerators for circulating water systems (English PDF)

HG/T 4270-2011 is the English-translated version of 循环水系统真空脱气机.

Vacuum deaerators for circulating water systems are the subject of HG/T 4270-2011, a recommended chemical industry standard. It gives terms and definitions, classification and naming, the structure and basic parameters, the requirements, the test methods and the acceptance rules, followed by marking, packaging, storage and transport. It applies to vacuum deaerators working in circulating water systems at a water temperature of not more than 90 °C and a design pressure of not more than 1.6 MPa. Components and workmanship are tied to a long reference list that includes GB/T 191, GB/T 196, GB/T 710, GB/T 985.1, GB/T 1226, GB/T 5657, GB/T 12234, GB/T 13306, GB/T 19678, CJ/T 217, HG/T 2743, JB/T 10524 and NB/T 47003.1. Issued on 20 December 2011, it has applied since 1 July 2012.

......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.

HG/T 3519-2023|HG/T 4542-2013|HG/T 4322-2012|HG/T 4323-2012|HG/T 2156-2009|GB/T 31329-2025

1. 1

   Add to cart

   Click "Download PDF" on this page and choose "Buy this standard". You can add more standards before checkout.

2. 2

   Checkout

   Enter your email and billing details. Payment is processed securely by Stripe (cards or bank transfer). Prefer bank details? Request a quotation (min. order $300).

3. 3

   Instant delivery (0–9 sec)

   Delivery is automatic: within seconds of payment you'll receive an email with a secure download link. The link stays valid for 72 hours.

4. 4

   Invoice included

   A tax invoice is attached to the confirmation email. Need a custom invoice? Contact us.