PAGE REV. DATE PRPD CHKD. APPD. VND AS PER UG-20(f), IMPACT TESING AS PER UG-84 IS NOT REQUIRED FOR PRESSURE VESSEL MATERIALS WHICH SATISFY ALL OF THE FOLLOWING: SR NO. MATERIAL IS LIMITED TO P NO. 1, GR. NO. 1 & 2 THK IS LESS THAN 13 mm FOR MATERIAL LISTED IN CURVE-A OF FIG. UCS-66 THK IS LESS THAN 25 mm FOR MATERIAL LISTED IN CURVE-B,C,D OF FIG. UCS-66 2 THE VE SSE L IS HYDRAULICALLY T ESTED AS P ER UG- 99(b) OR ( c) OR 27 -4 3 DESIGN TEMPERATURE IS NO WA RMER THAN -345 °C NOR COLDER THAN -29°C 4 THE T HERMAL OR ME CHANICAL SHOCK L OADINGS ARE NOT C ONTROL LING DESIGN REQUIREMENTS (UG-22) 5 CYCLI CAL LOADING IS NOT A CONTROLLING DESIGN REQUIREMENT (UG-22) AS PER UHA 51 MATERIAL IS EXEMPT FROM IMPACT TEST REQUIREMENTS IF UHA 51 (d),'(e),(f),(g),(h) IS SATISFIED. AS CARBON CONTENT IS MORE THAN 0.1% AND MDMT IS WARMER THAN -48°C, IMPACT IS NOT REQUIRED EQUIPMENT: WATER HEATER 19 ITEM NO. : 6 0 DOCUMENT NO.: 04/02/2015 IMPACT TEST REQUIREMENT AS PER UG-20(f) AND UHA 51 CONDITION SATISFIED CONDITION 1 YES YES 6 YES YES YES YES
AS PER UG-20(f), IMPACT TESING AS PER UG-84 IS NOT REQUIRED FOR
PRESSURE VESSEL MATERIALS WHICH SATISFY ALL OF THE FOLLOWING:
SR NO.MATERIAL IS LIMITED TO P NO. 1, GR. NO. 1 & 2THK IS
LESS THAN 13 mm FOR MATERIAL LISTED IN CURVE-A OF FIG. UCS-66THK IS
LESS THAN 25 mm FOR MATERIAL LISTED IN CURVE-B,C,D OF FIG.
UCS-66
2 THE VESSEL IS HYDRAULICALLY TESTED AS PER UG-99(b) OR (c) OR
27-43 DESIGN TEMPERATURE IS NO WARMER THAN -345 C NOR COLDER THAN
-29 C4 THE THERMAL OR MECHANICAL SHOCK LOADINGS ARE NOT CONTROLLING
DESIGN REQUIREMENTS (UG-22)5 CYCLICAL LOADING IS NOT A CONTROLLING
DESIGN REQUIREMENT (UG-22)
AS PER UHA 51 MATERIAL IS EXEMPT FROM IMPACT TEST REQUIREMENTS
IF UHA 51 (d),'(e),(f),(g),(h)IS SATISFIED. AS CARBON CONTENT IS
MORE THAN 0.1% AND MDMT IS WARMER THAN -48C,IMPACT IS NOT
REQUIRED
EQUIPMENT: WATER HEATER 19ITEM NO. : 6 0DOCUMENT NO.:
04/02/2015
