ASME A112.19.8A pdf download

ASME A112.19.8A pdf download Addenda to ASME A112.19.8-2007 Suction Fittings for Use in Swimming Pools, Wading Pools, Spas, and Hot Tubs
3.3.2 Performance Requirement. Suction fittings shallnotpermanentlydeform,crack, orlose anymaterial from the fitting, exclusive of plating or finish.
3.4 Horizontal Load and Deformation Test Fittings to be tested shall be the six as previously tested in para. 3.3. This test is identical to the Vertical Test except that the load is 150 lbf K ± 5 lbf (667 N ? K ± 22 N). This applies only to fittings intended for and marked “Wall Only” or “Wall or Floor.”
3.5 Point Load to Excess Test Fittings to be tested shall be the six as previously tested in paras. 3.3 and 3.4, loaded in the same manner.
3.5.1 Test Method. The test equipment to be used shall be the same and positioned as described in para. 3.3, with “Skin Pad.” The units shall be subjected to additional loading, with a load speed of 0.20 in./min to 0.25 in./min (5.1 mm/min to 6.4 mm/min) until the tup protrudes through the cover/grate or until a value of 600 lbf K ± 10 lbf (2 669 N K ± 44 N) is reached.
3.5.2 Performance Requirement. Suction fittings shall not sustain loss of any material from the fitting, exclusive of plating or finish upon protrusion or when a value of 600 lbf K ± 10 lbf (2 669 N K ± 44 N) is reached. Permanent deformation shall not be considered a failure.
3.6 Shear Load Test Six fittings shall be tested. They shall be those from the Ultraviolet Light Exposure Test (para. 3.2). This test shall be applied to all fittings thatprotrude 1 ⁄ 2 in. (13 mm) or more from the mounting plane.
3.6.1 Test Method. The fitting shall be tested by the application of a 150 lbf ? K ± 5 lbf (667 N ? K ± 22 N) test load applied 30 deg from the mounting plane by a loading face 2 in. 2 (645 mm 2 ) covered with a 2 in. 2 in. (51 mm 51 mm) “Skin Pad” on its face. The six fittings shall be tested using the point load machine described in para. 3.3. Three fittings shall be tested with fasteners directly in line with the load to test the fastener’s strength, and three shall be tested with the load midway between fasteners for general strength.
3.6.2 Performance Requirement. The cover/grate shall remain in place. The fitting shall not permanently deform, crack, or lose any material exclusive of plating and finish.
3.7 Pressure Differential and Point Impact Test The same six fittings used in the Shear Load Test (para. 3.6) shall be tested.
3.7.1 Test Method
(a) The fitting to be tested shall be mounted on a horizontal surface and covered with a 20 mil (0.5 mm) plastic material or other suitable material. The fitting outlet shall be connected to a vacuum or pressure (pres- sure will be required for Kfactor greater than 1.0) system and it shall be subjected to a 28.5 in. Hg K (724 mm Hg K) differential pressure within 60 sec ± 5 sec. The differential shall be sustained for 5 min ± 10 sec.
(b) The vacuum or pressure shall be removed from the system, and the fitting shall be impacted at 15 ft-lbf ? K (20.3 JK) using the test method in ASTM D 2444, with a 5 lb (2.3 kg) steel tup, 2 in. (51 mm) minimum diameter with a 2 in. ± 1 ⁄ 2 in. (51 mm ± 13 mm) radius nose. The tup shall be dropped from a distance of 3 ft ? K (914 mm ? K) aligned with the center of the fitting. (c) The fitting shall be connected to the vacuum or pressure system and again it shall be subjected to the 28.5 in. Hg K (724 mm Hg K) differential pressure within 60 sec ± 5 sec. The differential shall be sustained for an additional 5 min ± 10 sec.
(d) After removal from the test fixture, water-soluble contrasting ink shall be applied in accordance with paras.
3.1.6 and 3.1.6.1 and the fitting shall be inspected for cracks, breaks, or fractures in accordance with para. 3.1.6.2.
3.7.2 Performance Requirement. The cover/grate shall remain in place after the test procedures in paras.
3.7.1(a) through (d). The fitting shall not permanently deform, crack, orlose any material fromthe fittingexclu- sive of plating and finish.