Use and Care Manual
Table Of Contents
- Preface
- 1 Scope
- 2 Reference publications
- 3 Definitions and abbreviations
- 4 Design requirements
- 4.1 Supply fittings
- 4.2 Servicing
- 4.3 Installation
- 4.4 Threaded connections
- 4.5 Connections other than threaded connections
- 4.6 Accessible designs
- 4.7 Backflow prevention
- 4.8 Cover plates and escutcheons
- 4.9 Toxicity and lead content
- 4.10 Frost-proof faucets and hydrants
- 4.11 Showerheads, body sprays, and hand-held showers
- 4.12 Cross-flow
- 4.13 Fittings incorporating electrical features
- 4.14 Materials
- 4.15 Automatic compensating valve temperature control
- 4.16 Lawn faucets
- 4.17 Flexible water connectors
- 4.18 High-efficiency commercial pre-rinse spray valves
- 4.19 Household hot water dispensers with storage electrical heating systems
- 5 Performance requirements and test procedures
- 5.1 General
- 5.2 Coatings
- 5.3 Pressure and temperature
- 5.4 Flow rate
- 5.5 Operating requirements
- 5.6 Life cycle
- 5.7 Resistance to installation loading
- 5.8 Resistance to use loading
- 5.9 Backflow prevention
- 5.10 Lawn faucets
- 5.11 Alternative materials test
- 5.12 High-efficiency showerheads and hand-held showers
- 5.13 High-efficiency commercial pre-rinse spray valves
- 6 Markings, packaging, and installation instructions
- Annex A (informative) Unit conversion and rounding criteria
- Annex B (normative) Tests by fitting type
ASME A112.18.1-2018/CSA B125.1-18 Plumbing supply fittings
July 2018 © 2018 Canadian Standards Association
64
Table 4
Thread torque strength
(See Clause 5.7.2.1.)
Thread size Torque, N•m (lbf•ft)
3/8 NPT
43 (32)
1/2 NPT
61 (45)
3/4 NPT
88 (65)
1 NPT
129 (95)
Note: The thread-assembling torque requirements apply only to NPT supply connections.
Figure 1
Deck-mounted lavatory and sink supply fittings, mm (in)
(See Clauses 4.4.7, 4.8.1, and 5.9.2.1.)
Cover plate
1/2-14 NPSM
Mounting
surface
Aerator
A
B
C
D
E
Type of fitting
A
maximum B
C
minimum
D
minimum
E
air gap
100 (4)
centre set
170 (6.75)
102 ± 2
(4.00 ± 0.08)
44 (1.73) 44.5 (1.75)
See Clause
5.9.2.1
200 (8)
deck fitting
285 (11.25)
204 ± 2
(8.00 ± 0.08)
44 (1.73) 44.5 (1.75) See Clause
5.9.2.1
Single lavatory
faucet
— —
44 (1.73) 44.5 (1.75)
See Clause
5.9.2.1