DIN 1944:1968-10
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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ACCEPTANCE TESTS ON CENTRIFUGAL PUMPS (VDI-RULES FOR CENTRIFUGAL PUMPS)
Hardcopy , PDF
English
01-10-1968
01-08-2002
1 Extent and scope
1.1 Extent of this Code
1.2 Scope of this Code
2 Terms, symbols, units
3 Technical guarantees
3.1 General definitions
3.1.1 Supply contract
3.1.2 Object of guarantee
3.1.3 Operational data
3.1.4 Driving machine
3.2 Main guarantees
3.2.1 Scope of main guarantees
3.2.2 Guarantees of pump delivery and
efficiency, accuracy classes
3.2.3 Guarantees of pump delivery and
efficiency of accuracy classes I, II
and III
3.2.4 Guarantees and acceptance test
3.3 Fulfilment of main guarantees
3.3.1 Delivery
3.3.2 Efficiency
3.4 Additional guarantees
3.4.1 Permissible net positive suction head
(permissible net positive suction
energy)
3.4.2 Stable head-discharge-characteristic
3.4.3 No-discharge pump head (no-discharge
specific pump energy)
3.4.4 No-discharge pump input
3.4.5 Minimum pump head (minimum specific
pump energy) or established in the
contract
3.4.6 Reverse runaway speed
3.4.7 Extent of cavitation erosion
3.4.8 Leakage loss of shaft sealing
3.4.9 Sound level of pump
4 Test conditions
4.1 Location and date of tests
4.1.1 Location of test
4.1.2 Date of tests
4.2 Permissible deviations during the acceptance
test from values established in the contract
4.2.1 Fluctuations of average test conditions
4.2.2 Deviations of average test conditions
from guaranteed values
4.2.3 Keeping of net positive suction head
(net positive suction energy)
4.3 Test costs
4.4 Repetition of tests
5 Test procedure
5.1 Test personnel
5.1.1 Requirements
5.1.2 Chief of tests
5.2 Preparation of tests
5.2.1 Relevant data
5.2.2 Test program
5.2.3 Instruments
5.3 Measurement
5.3.1 Preliminary tests
5.3.2 Test point adjustment
5.3.3 Number of measuring points
5.3.4 Readings
5.3.5 Observation sheets
5.3.6 Computation
6 Computation of results
6.1 Measured values
6.1.1 Computation of average values
6.1.2 Measured quantities needed for the
computation of results
6.2 Reference conversion to guaranteed conditions
6.2.1 Purpose
6.2.2 Reference conversion to guaranteed speed
| DocumentType |
Standard
|
| Pages |
38
|
| PublisherName |
German Institute for Standardisation (Deutsches Institut für Normung)
|
| Status |
Superseded
|
| SupersededBy |
| Standards | Relationship |
| ISO 5198:1987 | Corresponds |
| ISO 9906:2012 | Similar to |
A newer version of this standard is available.
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