Пристрої безпеки для захисту від надмірного тиску. Частина 1. Клапани запобіжні

(ISO 4126-1:2004 (

1 2 4 1 2 З? 4 5 5.1 5.2 5.3 5.4 6 6.1 6.2 6.3 6.4 6.5 6.6 7 7.1 7.2 7.3 7.4 7.5

8 8.1 8.2 8.3 8.4 8.5 9 9.1 9.2 9.3 10 10.1 10.2 10.3 - - - - - ISO 4126

SAFETY DEVICES FOR PROTECTION AGAINSTEXCESSIVE PRESSURE

— Part 1 :Safety valves
1

2 EN 1092-1, Flanges and their joints - Circular flanges for pipes, valves, fittings and accessories PN designated Part 1: Steel flanges.
EN 1092-2, Flanges and their joints - Circular flanges for pipes, valves, fittings and accessories PN designated - Part 2: Cast iron flanges.
EN 1092-3, Flanges and their joints - Circular flanges for pipes, valves, fittings and accessories PN designated - Part 3: Copper alloy flanges.
prEN 1759-1, Flanges and their joints - Circular flanges for pipes, valves, fittings and accessories, Class designated - Part 1: Steel flanges NPS 1/2 to 24.
EN 12516-3, Valves - Shell design EN 12627, Industrial Valves - Butt welding ends for steel valves.
EN 12760, Valves - Socket welding ends for steel valves.
EN ISO 6708, Pipework components - Definition and selection of DN (nominal size) (ISO 6708:1995).
ISO 7-1, Pipe threads where pressure-tight joints are made on the threads — Part 1: Dimensions, tolerances and designation.

ANSI

EN 1092-1, EN 1092-2, EN 1092-3, prEN 1759-1, EN 12516-3, EN 12627, EN 12760, EN ISO 6708, ISO 7-1, ANSI

З? 3.1
3.1.1
3.1.1.1
3.1.1.2
3.1.1.3
3.1.1.4
(pilot operated safety valve)
3.2
3.2.1

3.2.2
3.2.3
3.2.4
3.2.5
3.2.6
3.2.8 3.2.9 3.2.10 3.3
3.4
3.5
3.6
3.6.1
3.6.2
3.6.3
а?) Ь?) 3.7 3.7
DN ( 4 5 5.1 5.1.1 5.1.2

5.1.3 5.1.4 5.1.5 5.1.6 5.1.7 5.1.8

5.1.9 5.1.10 5.1.11 5.1.12 5.2 5.2.1 - - - -
1 2

1 2

1 5.3 5.4 6 6.1 6.2 - - - - - - - - 6.3 6.3.1 6.3.2 6.3.3 6.3.4 6.4 6.4.1 а?) Ь?) 6.4.2 а?) Ь?) с?) 6.5 6.6 7 7.1 7.1.1 7.1.2 - ISO 4126-4 - - ISO 4126-5- 7.1.3 7.1.4 а?) Ь?) с?) d) е?) - - f) 7.1.5

7.1.6 7.1.7 7.2 7.2.1 а?) Ь?)

с?) d) - - е?) f) 7.2.2 7.2.3 - - 7.2.4

7.3 7.3.1

7.3.2 7.3.3 7.3.3.1 7.3.3.2 7.3.3.3 7.3.3.4

7.3.3.5 7.3.4 7.3.5

7.3.6 7.4 7.5 K dr =0,9Ku

8 8.1 8.2 — > 8.3 8.3.1 q„ =0,2883 „ . , noooa ,/8,3143
10 10

7 8.3.2 ( 8.4

8.5

9 9.1 9.2 9.3 9.3.1

9.3.2

9.3.3 9.3.3.1 *- w * V V
0,2883 C K Jr
I
9.3.3.2 Q„ =P N v
9.3.4 Q„ =1,61 K*Kv 10 10.1 а?) Ь?) с?) d) 10.2 а?) Ь?) с?) d) е?) f) 10.3 n CK.J —
ZT 0
V 11,4 + 1)
■?
Z = 0,975 (

(
2 Ar + lJ

_ -— Z = 0,975 (
isooo onaoc 2 = 397,85 V 0,975x293
A.2

(

0,001 075 27 Kv= 1
( Q I V 1^1.61x0,65 JV 30
1) =1447
^3.6// Jy tfv = 0, 92>0,68
3)

23.060; 13.240