Abstract： ASME A112.18.2:2005 pdf download.Plumbing waste fittings. 4.1.4 Materials for ABS or PVC DWV ptastk pipe and pipe fittings shall comply with one of the following Standards: (a) ASTM D 2661; (b) ASTM D 2665; (c) ASTM F 628; (d) ASJMF891; (e)...

ASME A112.18.2:2005 pdf download.Plumbing waste fittings.

4.1.4

Materials for ABS or PVC DWV ptastk pipe and pipe fittings shall comply with one of the following

Standards:

(a) ASTM D 2661;

(b) ASTM D 2665;

(c) ASTM F 628;

(d) ASJMF891;

(e) CAN/CSA.B181.1; or

CAN/CSAB181.2.

4.1.5

Copper alloys shall have a minimum copper content of 56% by weight.

4.1.6

Cast iron shall comply with the requirements of class 25 of ASTM A 48/A 48M.

4.1.7

Ductile iron shall comply with the requirements of grades 60-40-18 or 60-45-12 of ASTM A 536.

4.1.H

Stainless steel alloys shall be of the 300 or 400 senes.

4.2 Installation

4.2.1 Connection to waste system

Waste fittings shall be provided with means to connect to a type of trap or waste system in common use.

4.2.2 Protection of finish

Provision shall be made to enable waste fittings to be connected and mounted without marring the finish or

otherwise damaging the fitting or the surface on whkh Ills to be mounted.

4.2.3 Fixture seal

Provision shall be made for a method of establishing a seal between a waste fitting and the fixture to which it is fastened.

4.3 Threads

43.1 I)WV plastic pipe and fittings

Taper threads used on plastic tubular waste fittings complying with Clause 4.1.3, and on ABS or PVC DWV

plastic pipe and pipe fittings complying with Clause 4.1.4, shall

(a) be moulded;

(b) comply with ASTM F 1498; and

(C) be a minimum of 2.5 threads long, with a minimum of one thread engagement.

4.3.2 Metallic pipes and fittings

Threads used on pipe and fittings manufactured from metallic base materials shall comply with ASME B1.20.1.

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