ASME A112.18.2:2005 pdf download.Plumbing waste fittings.
4.6.7.2 Parts
The wall thickness of elastomeric tubular parts shall be at least 2.0 mm (0.079 in).
4.6.8 TubIng stops
Tubing stops in diversion tees, other tees, and twin waste elbows shall be integral and designed in such a
way that the insert tubing shall not obstruct the flow. See Figures 5 to 8.
4.6.9 Subdrains for built-up shower pans
4.6.9.1 Crown and collar material
A 24 gauge coirosion-resistant crown and/or collar or a brass ring 6 mm (0.25 In) thick shall be placed between the strainer and the cast iron bodies in subdrains for built-up shower pans. See Figure 10.
4.6.9.2 Obstructions
No obstructions shal be permitted in the caulking area.
4.6.9.3 Weep holes
Cast iron bodies shall have at least three weep holes, each with a minimum diameter of 6 mm (0.25 in).
Weep holes shall be located above the clamping ring.
4.6.9.4 Clamping bolts and fasteners
Clamping bolts and fasteners shall be made of 300 series stainless steel or copper alloy that complies with
A5TM B 16/B 1 6M. At least three bolts per drain shall be provided.
Clamping bolts and fasteners For cast Iron or copper alloy drains shall be a minimum of 5/16 in NC (7.9 mm), with a minimum thread length of 13 mm (0.50 in).
Clamping bolts and fasteners for plastic drains shall be a minimum of 1/4 in NC (6.4 mm), with a minimum thread length of 19mm (0.75 in).
5 Performance requirements and test methods
5.1 General
5.1.1 Preconditioning
Before testing, specimens shall be conditioned at ambient laboratory conditions For at least 12 h.
5.1.2 Installation for testing
For test purposes, each specimen shall be installed in accordance with the manufacturer’s instructions.
The wall thickness of elastomeric tubular parts shall be at least 2.0 mm (0.079 in).
4.6.8 TubIng stops
Tubing stops in diversion tees, other tees, and twin waste elbows shall be integral and designed in such a
way that the insert tubing shall not obstruct the flow. See Figures 5 to 8.
4.6.9 Subdrains for built-up shower pans
4.6.9.1 Crown and collar material
A 24 gauge coirosion-resistant crown and/or collar or a brass ring 6 mm (0.25 In) thick shall be placed between the strainer and the cast iron bodies in subdrains for built-up shower pans. See Figure 10.
4.6.9.2 Obstructions
No obstructions shal be permitted in the caulking area.
4.6.9.3 Weep holes
Cast iron bodies shall have at least three weep holes, each with a minimum diameter of 6 mm (0.25 in).
Weep holes shall be located above the clamping ring.
4.6.9.4 Clamping bolts and fasteners
Clamping bolts and fasteners shall be made of 300 series stainless steel or copper alloy that complies with
A5TM B 16/B 1 6M. At least three bolts per drain shall be provided.
Clamping bolts and fasteners For cast Iron or copper alloy drains shall be a minimum of 5/16 in NC (7.9 mm), with a minimum thread length of 13 mm (0.50 in).
Clamping bolts and fasteners for plastic drains shall be a minimum of 1/4 in NC (6.4 mm), with a minimum thread length of 19mm (0.75 in).
5 Performance requirements and test methods
5.1 General
5.1.1 Preconditioning
Before testing, specimens shall be conditioned at ambient laboratory conditions For at least 12 h.
5.1.2 Installation for testing
For test purposes, each specimen shall be installed in accordance with the manufacturer’s instructions.
