IS 3745 : 2006 Yoke Type Valve Connection for Small Madical Gas Cylinders - Specification

ICS 11.040.10 MED 16
Reaffirmed 2021

1 Scope

Covers basic dimensions and constructionalrequirements for yoke type valve connections forsmall medical gas cylinders with a maximum workingpressure (tilling pressure at 15�C) of 200 bars. Alsospecifies the dimensions and positions for the holesand pins for the outlet connections for medical gasesand gas mixtures given in Table 1.

2 References

The following standards contain provisions, whichthrough reference in this text constitute provisionsof this standard. At the time of publication, the editionsindicated were valid. All standards are subject torevision and parties to agreements based on thisstandard are encouraged to investigate the possibilityof applying the most recent editiohs of the standardsindicated below:

IS No.                     Title
IS 319 : 1989 Free cutting leaded brass bars, rods
and sections (fourth revision)
IS 1068 : 1993 Electroplated coating nickel plus
chromium and copper plus nickel
plus chromium (third revision)
IS 1598 : 1977 Method for izod impact test of metals
(first revision)
IS 1608 : 2005 Metallic materials - Tensile testing
at ambient temperature (third
revision)
IS 2102 General tolerances: Part 1 Tolerances
IS (Part l): 1993 for linear and angular dimensions
without individual tolerance
indications (third revision)
IS 2305 : 1988 Method for mercurous nitrate test
for copper and copper alloys (first
revision)
IS 3224 : 2002 Valve fittings for compressed gas
cylinders excluding liquefied
petroleum gas (LPG) cylinders -
Specification (third revision)
IS 6912 : 1985 Copper and copper alloy forging
stock and forgings (first revision)
IS 8775 : 978 Filling pressure and corresponding
developed pressure for permanent
gases contained in gas cylinders
IS 8866 : 1978 Filling ratios and corresponding
developed pressure for high -
pressure liquefiable gases
contained in gas cylinders
IS 8867 : 1978 Saturated vapour pressure and test
pressure for low pressure liquefiable
gases contained in gas cylinders