440S 250 50050 Octubre 1999 Anexo 1 Pág. 1 de 2 Rev. 0 TECNOCONSULT MAXIMUM HYDROSTATIC TEST PRESSURE (PSIG) FOR FLANGES AND VALVES Flang e Ratin g (clas s) Material Carbon Steel Carbon Moly C r- Moly Stainless Steel Normal(1.1) C-1/2(1.5) ½ - ½ 1 1 – ¼ ½(1.9) 2 – ¼- 1(1.10) 5-1/2(1.13) 9-1(1.14) 304(2.1) 316(2.2) 321(2.4) 347.348(2.5 ) 304L 316L(2.3) 309(2.6) 310(2.7) Shell Seat Shell Seat Shell Seat 150 450 285 400 265 450 290 425 275 350 230 400 260 300 1125 740 1050 695 1125 750 1100 720 900 600 1025 670 400 1500 990 1400 925 1500 1000 1450 960 1200 800 1350 895 600 2225 1480 2100 1390 2250 1500 2175 1440 1800 1200 2025 1345 1500 5575 3705 5225 3470 5625 3750 5400 3600 4500 3000 5050 3360 2500 9275 6170 8700 5785 9375 6250 9000 6000 7500 5000 8400 5600 NOTES: 1. The above chart is based on ASME B16.5, and provides the maximum allowable hydrotest pressures of 1/2 inch through 24 inch flanges (shell test) and flanged and standard class weld end valves (shell test, with valve open and seat test, with valve closed). Seat test is based on ASME B16.34, Parag. 2.5.3. 2. Flanged valves manufactured according to API-600 and API-602 may be tested in accordance with the above chart. Carbon steel, Normal (1.1), 800# scrd. or S.W. valves manufactured according to API-602 and API-606 may be tested to 3000 psig (shell test) or 1975 psig (seat test). 3. For valves not conforming to the above standards or ASME B16.5, the manufacturers' recommended test pressure limits for both shell and seat shall be used. PIPING ENGINEERING

Anexo1 25050050 Maximum Hydrostatic Test Pressure (Psig)

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Page 1: Anexo1 25050050 Maximum Hydrostatic Test Pressure (Psig)

440S 250 50050Octubre 1999

Anexo 1 Pág. 1 de 1Rev. 0

TECNOCONSULT

MAXIMUM HYDROSTATIC TEST PRESSURE (PSIG)FOR FLANGES AND VALVES

Flange

Rating

(class)

MaterialCarbon Steel Carbon Moly C r- Moly Stainless Steel

Normal(1.1) C-1/2(1.5)

½ - ½ 11 – ¼ ½(1.9)2 – ¼-1(1.10)5-1/2(1.13)9-1(1.14)

304(2.1)316(2.2)321(2.4)

347.348(2.5)304L

316L(2.3)309(2.6)310(2.7)

Shell Seat Shell Seat Shell Seat150 450 285 400 265 450 290 425 275 350 230 400 260300 1125 740 1050 695 1125 750 1100 720 900 600 1025 670400 1500 990 1400 925 1500 1000 1450 960 1200 800 1350 895600 2225 1480 2100 1390 2250 1500 2175 1440 1800 1200 2025 1345

1500 5575 3705 5225 3470 5625 3750 5400 3600 4500 3000 5050 33602500 9275 6170 8700 5785 9375 6250 9000 6000 7500 5000 8400 5600

NOTES:

1. The above chart is based on ASME B16.5, and provides the maximum allowable hydrotest pressures of 1/2 inch through 24 inch flanges (shell test) and flanged and standard class weld end valves (shell test, with valve open and seat test, with valve closed). Seat test is based on ASME B16.34, Parag. 2.5.3.

2. Flanged valves manufactured according to API-600 and API-602 may be tested in accordance with the above chart. Carbon steel, Normal (1.1), 800# scrd. or S.W. valves manufactured according to API-602 and API-606 may be tested to 3000 psig (shell test) or 1975 psig (seat test).

3. For valves not conforming to the above standards or ASME B16.5, the manufacturers' recommended test pressure limits for both shell and seat shall be used.

4. Maximum test pressures for flanges and valves over 24 inches and piping components not covered by this chart shall be provided by TECNOCONSULT Piping Engineering as applicable.

5. The maximum test pressure for pneumatic testing shall not exceed 75 percent of the stated values

PIPING ENGINEERING