Description
eClass-No.: | 37010905 |
Application: | Industrial installations, processing technology, plant manufacturing, etc. |
Medium: | Steam, neutral gases, vapours and liquids |
ARI-SAFE-SN ANSI (Semi-Nozzle-ASME) 901 / 902 / 911 / 912
Parts | ||||
Pos. | Sp.p. | Description | Fig. 32.901/902/911/912; 35.901/902/911/912 | Fig. 52.901/911; 55.901/911 |
1 | Body | SA216WCB | SA351 CF8M | |
2 | Seat | SA479 Gr.316 Ti | SA479 Gr.316 Ti | |
3 | Studs | SA193 B7 | SA193 B8 | |
4 | x | Spindle guide | NPS ≤ 2″: SA276Gr.420 1); NPS > 2″: SA395 / SA276 Gr.440 | NPS ≤ 2″: SA479 Gr.316 Ti; NPS > 2″: SA351 CF8M |
7 | x | Gasket | GRAPHIT/ SA240 Gr.316L (CrNi laminated with graphite) | |
8 | Hexagon nut | SA194 2H | SA194 8 | |
11 | Bonnet, closed | SA395 | SA351 CF8M | |
12 | x | Disc | SA276 Gr.440 | SA479 Gr.316 Ti |
14 | x | Spindle | SA276Gr.420 1) | SA479 Gr.316 Ti |
17 | Adjusting screw | SA276Gr.420 1) | SA479 Gr.316 Ti | |
22 | Plug screw (optional) | SA193-B7 | SA193-B8 | |
27 | x | Sealing ring | CuFA | SA479 Gr.316 Ti |
28 | Cap, closed | SA395 | SA351 CF8M | |
29 | Cap, open | SA395 | — | |
30 | Cap, gastight | SA395 | SA351 CF8M | |
31 | x | Packing ring | GRAPHIT | |
35 | Lift fork | SA395 | SA351 CF8M | |
36 | Lever, closed | SA395 | SA351 CF8M | |
37 | x | Spring | SA401 Gr.9254, SA29 Gr.6150 | AISI 301 |
41 | Lever, open | SA395 | — | |
42 | Bonnet, open | SA395 | — | |
43 | Bellows (optional) | EPDM 70 Shore A | ||
55 | Stainless steel bellows unit (op-tional) | SA240 / SA479 Gr.316Ti | SA479 Gr.316 Ti | |
70 | Balanced piston | SA240 Gr.316 Ti | SA479 Gr.316 Ti | |
└ Spare parts |
Certified coefficient of discharge K | UV-/NB-stamp | |||||||
NPS | 1″x2″ | 1 1/2″x2″
1 1/2″x2 1/2″ |
1 1/2″x3″ | 2″x3″ | 3″x4″ | 4″x6″ | 6″x8″ | 6″x10″ |
Steam / Gas | 15 to < 30 psig: 0.769 / ≥ 30 psig: 0.817 | |||||||
Liquid | ≥ 15 psig: 0.615 | ≥ 15 psig: 0.545 |
Seat tightness acc. API 527
Pressure-temperature-ratings | Intermediate values for max. permissible operational pressures can be determined by linear interpolation of the given temperature / pressure chart. | |||||||||||
acc. to ANSI | -20°F to 100°F | 200°F | 300°F | 400°F | 500°F | 600°F | 650°F | 700°F | 750°F | 800°F | ||
SA216WCB | ANSI150 | (psi) | 285 | 260 | 230 | 200 | 170 | 140 | 125 | 110 | 95 | 80 |
SA216WCB | ANSI300 | (psi) | 740 | 680 | 655 | 635 | 605 | 570 | 550 | 530 | 505 | 410 |
acc. to ANSI | -75°F to 100°F | 200°F | 300°F | 400°F | 500°F | 600°F | 650°F | 700°F | 750°F | 800°F | ||
SA351CF8M | ANSI150 | (psi) | 276 | 239 | 215 | 197 | 170 | 141 | 126 | 110 | 94 | — |
SA351CF8M | ANSI300 | (psi) | 719 | 624 | 560 | 515 | 479 | 453 | 442 | 435 | 426 | — |
ARI-SAFE-SN ANSI (TÜV) 901 / 902 / 911 / 91
Parts | ||||||
Pos. | Sp.p. | Description | Fig. 12.901/902/911/912 | Fig. 23./25.901/902/911/912 | Fig. 34./35.901/902/911/912 | Fig. 55.901/911 |
1 | Body | EN-GJL-250 , EN-JL1040 | EN-GJS-400-18U-LT, EN-JS1049 | GP240GH+N, 1.0619+N | GX5CrNiMo19-11-2, 1.4408 | |
2 | Seat | X6CrNiMoTi17-12-2, 1.4571 | ||||
3 | Studs | 25CrMo4, 1.7218 | A4 – 70 | |||
4 | Spindle guide | X20Cr13+QT, 1.4021+QT (≥ DN65: EN-GJS-400-18U-LT, EN-JS1049) | X6CrNiMoTi17-12-2, 1.4571 | |||
7 | x | Gasket | Pure graphite (CrNi laminated with graphite) | |||
8 | Hexagon nut | C35E, 1.1181 | A4 | |||
11 | Bonnet, closed | EN-GJL-250 , EN-JL1040 | EN-GJS-400-18U-LT, EN-JS1049 1) | GX5CrNiMo19-11-2, 1.4408 | ||
12 | Disc | X39CrMo17-1+QT, 1.4122+QT | X6CrNiMoTi17-12-2, 1.4571 | |||
14 | x | Spindle | X20Cr13+QT, 1.4021+QT | X6CrNiMoTi17-12-2, 1.4571 | ||
17 | Adjusting screw | X20Cr13+QT, 1.4021+QT | X2CrNiMo17-12-2, 1.4404 | |||
22 | Plug screw | 5.8 | A4 | |||
27 | x | Sealing ring | CuFA (≥ DN125: Graphit) | X6CrNiMoTi17-12-2, 1.4571 | ||
28 | Cap, closed | EN-GJL-250 , EN-JL1040 | EN-GJS-400-18U-LT, EN-JS1049 1) | GX5CrNiMo19-11-2, 1.4408 | ||
29 | Cap, open | EN-GJL-250 , EN-JL1040 | EN-GJS-400-18U-LT, EN-JS1049 | — | ||
30 | Cap, gastight | EN-GJL-250 , EN-JL1040 | EN-GJS-400-18U-LT, EN-JS1049 1) | GX5CrNiMo19-11-2, 1.4408 | ||
31 | x | Packing rings | Pure graphite | |||
35 | Lift fork | EN-GJS-400-15, EN-JS1030 (DN200: GP240GH+N, 1.0619+N) | GX5CrNiMo19-11-2, 1.4408 | |||
36 | Lever, closed | EN-GJS-400-18U-LT, EN-JS1049 | GX5CrNiMo19-11-2, 1.4408 | |||
37 | x | Spring | FDSiCr / 51CrV4, 1.8159 | X10CrNi18-8, 1.4310 (FDSiCr: 51CrV4, 1.8159) 2) | ||
41 | Lever, open | EN-GJS-400-18U-LT, EN-JS1049 | — | |||
42 | Bonnet, open | EN-GJL-250 , EN-JL1040 | EN-GJS-400-18U-LT, EN-JS1049 | — | ||
43 | Bellows (optional) | EPDM 70 Shore A | ||||
55 | Bellows unit (optional) | X6CrNiMoTi17-12-2, 1.4571 | ||||
70 | Balanced piston
(at bellows) |
X6CrNiMoTi17-12-2, 1.4571 | ||||
└ Spare parts |
DN1 / DN2 | 15 / 25 | 20 / 32 | 25 / 40 | 32 / 50 | 40 / 65 | 50 / 80 | 65 / 100 | 80 / 125 | 100 / 150 | 125 / 200 | 150 / 250 | 200 / 300 | 250 / 350 | |
Special-DN | 25 / 50 | 40 / 50 | 40 / 80 | 80 / 100 | 150 / 200 | |||||||||
Spring ranges: Standard design | ||||||||||||||
(barü) | 0,2 – 0,45 | 0,2 – 0,5 | 0,2 – 0,5 | 0,2 – 0,5 | 0,2 – 0,5 | 0,2 – 0,4 | 0,2 – 0,5 | 0,2 – 0,3 | 0,2 – 0,3 | |||||
(barü) | > 0,45 – 0,9 | > 0,5 – 1 | > 0,5 – 1 | > 0,5 – 1 | > 0,5 – 1 | > 0,4 – 0,75 | > 0,5 – 1 | > 0,3 – 0,5 | > 0,3 – 0,35 | |||||
(barü) | > 0,9 – 1,3 | > 1 – 1,5 | > 1 – 1,5 | > 1 – 1,5 | > 1 – 1,5 | > 0,75 – 1,1 | > 1 – 1,5 | > 0,5 – 0,85 | > 0,35 – 0,6 | |||||
(barü) | > 1,3 – 2 | > 1,5 – 2,5 | > 1,5 – 2 | > 1,5 – 2 | > 1,5 – 2 | > 1,1 – 1,5 | > 1,5 – 1,9 | > 0,85 – 1,1 | > 0,6 – 0,7 | |||||
(barü) | > 2 – 2,5 | > 2,5 – 4,5 | > 2 – 2,7 | > 2 – 2,7 | > 2 – 2,5 | > 1,5 – 1,9 | > 1,9 – 2,3 | > 1,1 – 1,4 | > 0,7 – 0,9 | |||||
(barü) | > 2,5 – 3,2 | > 4,5 – 8,5 | > 2,7 – 3,6 | > 2,7 – 3,6 | > 2,5 – 3 | > 1,9 – 2,5 | > 2,3 – 2,7 | > 1,4 – 1,8 | > 0,9 – 1,5 | |||||
(barü) | > 3,2 – 4,3 | > 8,5 – 19 | > 3,6 – 5 | > 3,6 – 5 | > 3 – 3,6 | > 2,5 – 2,95 | > 2,7 – 3,3 | > 1,8 – 2,0 | > 1,5 – 1,9 | |||||
(barü) | > 4,3 – 5,6 | > 19 – 28 | > 5 – 9 | > 5 – 9 | > 3,6 – 5 | > 2,95 – 4 | > 3,3 – 4,1 | > 2,0 – 2,2 | > 1,9 – 2,6 | |||||
(barü) | > 5,6 – 10 | > 28 – 35 | > 9 – 16 | > 9 – 14 | > 5 – 9 | > 4 – 5,7 | > 4,1 – 5,5 | > 2,2 – 2,4 | > 2,6 – 3,0 | |||||
(barü) | > 10 – 20 | > 35 – 40 | > 16 – 22 | > 14 – 19 | > 9 – 14 | > 5,7 – 8,2 | > 5,5 – 7,4 | > 2,4 – 2,7 | > 3,0 – 4,5 | |||||
(barü) | > 20 – 25,9 | > 22 – 28 | > 19 – 25 | > 14 – 19 | > 8,2 – 12 | > 7,4 – 11 | > 2,7 – 3,1 | > 4,5 – 6,0 | ||||||
(barü) | > 25,9 – 40 | > 28 – 34 | > 19 – 24 | > 12 – 17 | > 11 – 16 | > 3,1 – 4,0 | > 6,0 – 7,0 | |||||||
(barü) | > 34 – 40 | > 17 – 24 | > 16 – 21 | > 4,0 – 4,8 | > 7,0 – 8,5 | |||||||||
(barü) | > 24 – 27 | > 21 – 26 | > 4,8 – 5,6 | > 8,5 – 10,0 | ||||||||||
(barü) | > 5,6 – 6,8 | > 10,0 – 11,5 | ||||||||||||
(barü) |
Information / restriction of technical rules need to be observed! A production permission acc. to TRB 801 No. 45 is available. The engineer, designing a system or a plant, is responsible for the selection of the correct valve. Resistance and fitness must be verified (contact manufacturer for information, refer to Product overview and Resistance list). |
> 6,8 – 7,8 | > 11,5 – 13,0 | |||||||||||
(barü) | > 7,8 – 9,5 | > 13,0 – 14,0 | ||||||||||||
(barü) | > 9,5 – 11,0 | > 14,0 – 15,0 | ||||||||||||
(barü) | > 11,0 – 13,0 | > 15,0 – 16,0 | ||||||||||||
(barü) | > 13,0 – 15,0 | > 16,0 – 20,0 | ||||||||||||
(barü) | > 15,0 – 17,5 | |||||||||||||
(barü) | > 17,5 – 21,0 | |||||||||||||
(barü) | > 21,0 – 25,0 |
Spring ranges: Bellows design (optional) | ||||||||||||||
(barü) | 5 – 6,4 | 3 – 3,7 | 2,5 – 3,3 | 2,5 – 3,2 | 2,6 – 3,6 | 2,8 – 3,4 | 2,5 – 3,7 | 2,5 – 3,3 | 2,5 – 3,5 | 1,1 – 1,5 | 1,1 – 1,3 | 2,4 – 2,7 | 2,1 -2,4 | |
(barü) | > 6,4 – 7,7 | > 3,7 – 4,6 | > 3,3 – 4,6 | > 3,2 – 4 | > 3,6 – 4,5 | > 3,4 – 4,5 | > 3,7 – 4,6 | > 3,3 – 4,5 | > 3,5 – 4,2 | > 1,5 – 2 | > 1,3 – 1,7 | > 2,7 – 2,9 | > 2,4 – 2,6 | |
(barü) | > 7,7 – 10 | > 4,6 – 6,3 | > 4,6 – 5,4 | > 4 – 5,5 | > 4,5 – 5,6 | > 4,5 – 8,4 | > 4,6 – 5,9 | > 4,5 – 5,8 | > 4,2 – 4,9 | > 2 -2,5 | > 1,7 – 2,1 | > 2,9 – 3,1 | > 2,6 – 2,9 | |
(barü) | > 10 – 16 | > 6,3 – 8,4 | > 5,4 – 7 | > 5,5 – 6,4 | > 5,6 – 7,5 | > 8,4 – 10 | > 5,9 – 8 | > 5,8 – 7,5 | > 4,9 – 5,6 | > 2,5 – 2,9 | > 2,1 – 2,4 | > 3,1 – 3,3 | > 2,9 – 3,2 | |
(barü) | > 16 – 18,5 | > 8,4 – 10,2 | > 7 – 9 | > 6,4 – 7,9 | > 7,5 – 10 | > 10 – 11,5 | > 8 – 10 | > 7,5 – 8,9 | > 5,6 – 7 | > 2,9 – 3,5 | > 2,4 – 2,8 | > 3,3 – 3,6 | > 3,2 – 3,6 | |
(barü) | > 18,5 – 26 | > 10,2 – 13 | > 9 – 11,7 | > 7,9 – 11,5 | > 10 – 12,5 | > 11,5 – 16 | > 10 – 18 | > 8,9 – 10,5 | > 7 – 8 | > 3,5 – 4,2 | > 2,8 – 3,1 | > 3,6 – 3,9 | > 3,6 – 4,1 | |
(barü) | > 26 – 40 | > 13 – 17 | > 11,7 – 16 | > 11,5 – 18,5 | > 12,5 – 16 | > 16 – 18,5 | > 18 – 24 | > 10,5 – 13 | > 8 – 9,3 | > 4,2 – 5,1 | > 3,1 – 3,4 | > 3,9 – 4,1 | > 4,1 – 4,6 | |
(barü) | > 17 – 27,5 | > 16 – 22 | > 18,5 – 25 | > 16 – 22 | > 18,5 – 23 | > 24 – 26 | > 13 – 18 | > 9,3 – 11,5 | > 5,1 – 6,5 | > 3,4 – 3,9 | > 4,1 – 4,3 | > 4,6 – 5,2 | ||
(barü) | > 22 – 30 | > 18 – 23 | > 11,5 – 14 | > 6,5 – 7,5 | > 3,9 – 4,8 | > 4,3 – 4,8 | > 5,2 – 5,8 | |||||||
(barü) | > 14 – 20 | > 7,5 – 9 | > 4,8 – 5,8 | > 4,8 – 5,5 | > 5,8 – 6,5 | |||||||||
(barü) | > 9 – 10,5 | > 5,8 – 6,8 | > 5,5, – 6,5 | > 6,5 – 7,2 | ||||||||||
(barü) | > 10,5 – 12,6 | > 6,8 – 8,1 | > 6,5 – 7,9 | > 7,2 – 8,3 | ||||||||||
(barü) | > 12,6 – 17 | > 8,1 – 9,7 | > 7,9 – 9,5 | > 8,3 – 9,3 | ||||||||||
(barü) | > 17 -25 | > 9,7 – 11,3 | > 9,5 – 12,3 | > 9,3 – 10 | ||||||||||
(barü) | > 11,3 – 13 | > 12,3 – 15,9 | > 10 – 10,8 | |||||||||||
(barü) | > 13 – 15 | > 15,9 -20 | > 10,8 – 11,5 | |||||||||||
(barü) | > 15 – 18 | > 11,5 – 12,2 | ||||||||||||
(barü) | > 12,2 – 13 |
DN1 / DN2 | 15 / 25 | 20 / 32 | 25 / 40 | 32 / 50 | 40 / 65 | 50 / 80 | 65 / 100 | 80 / 125 | 100 / 150 | 125 / 200 | 150 / 250 | 200 / 300 | 250 / 350 |
Sonder-DN | 25 / 50 | 40 / 50 | 40 / 80 | 80 / 100 | 150 / 200 |
Dimensions | |||||||||||||||
d0 | (mm) | 13 | 18 | 22,5 | 29 | 36 | 45 | 58,5 | 72 | 90 | 106 | 125 | 165 | 200 | |
A0 | (mm2) | 133 | 254 | 398 | 661 | 1018 | 1590 | 2688 | 4072 | 6362 | 8825 | 12272 | 21382 | 31416 | |
l | (mm) | 80 | 85 | 100 | 110 | 115 | 120 | 140 | 160 | 180 | 200 1) | 225 | 300 | 325 | |
l1 | (mm) | 90 | 95 | 105 | 115 | 140 | 150 | 170 | 195 | 220 | 250 1) | 285 | 305 | 340 | |
H | (mm) | 260 | 270 | 280 | 330 | 390 | 435 | 545 | 610 | 690 | 845 | 890 | 1105 | 1175 | |
H (Bellows design) | (mm) | 290 | 310 | 335 | 390 | 445 | 500 | 620 | 690 | 808 | 919 | 953 | 1215 | 1262 | |
X | (mm) | 150 | 150 | 150 | 200 | 250 | 300 | 350 | 400 | 500 | 500 | 500 | 500 | 500 | |
C
(Widthupport tongues) |
EN-JL1040 | (mm) | — | — | — | — | — | — | — | 280 | 332 | 362 | 408 | — | — |
EN-JS1049 | (mm) | — | — | — | — | — | — | — | 280 | 332 | 362 | 408 | 521 | 600 | |
1.0619+N | (mm) | — | — | — | — | — | 204 | 242 | 280 | 332 | 362 | 408 | 521 | 600 | |
1.4408 | (mm) | — | — | — | — | — | 204 | 242 | 280 | 332 | 362 | 408 | 521 | 600 | |
Drainhole with plug | (inch) | G1/4″ | G3/8″ | ||||||||||||
Standard for EN-JL1040, EN-JS1049 1.0619+N, optional at 1.4408 |
Weights | ||||||||||||||
standard | (kg) | 7 | 8,5 | 10 | 14 | 20 | 28 | 40 | 53 | 80 | 125 | 165 | 280 | 430 |
optional: Bellows design | (kg) | 7,5 | 9,5 | 11,5 | 16 | 22,5 | 32 | 47 | 59 | 93 | 140 | 180 | 310 | 470 |
Flanges | |||||||||||||||
ØD1 |
PN16 | (mm) | 95 | 105 | 115 | 140 | 150 | 165 | 185 | 200 | 220 | 250 | 285 | — | — |
PN25 | (mm) | — | — | — | — | — | — | — | — | — | — | — | 360 | 425 | |
PN40 | (mm) | 95 | 105 | 115 | 140 | 150 | 165 | 185 | 200 | 235 | 270 | 300 | 375 | 450 | |
ØD2 | PN10 | (mm) | — | — | — | — | — | — | — | — | — | — | — | 445 | 505 |
PN16 | (mm) | 115 | 140 | 150 | 165 | 185 | 200 | 220 | 250 | 285 | 340 | 405 | 460 | 520 | |
b1 |
EN-JL1040 | (mm) | — | 16 | 16 | 18 | 18 | 20 | 20 | 22 | 24 | 26 | 26 | — | — |
EN-JS1049 | (mm) | — | 18 | 18 | 18 | 19 | 20 | 22 | 24 | 24 | 27 | 29 | 37 | 40 | |
1.0619+N | (mm) | 16 | 20 | 20 | 20 | 21 | 22 | 24 | 26 | 28 | 31 | 34 | 37 | 40 | |
1.4408 | (mm) | 16 | 16 | 16 | 18 | 19 | 20 | 22 | 22 | 23 | 26 | 28 | 37 | 40 | |
b2 |
EN-JL1040 | (mm) | — | 18 | 18 | 20 | 20 | 22 | 24 | 26 | 26 | 30 | 32 | — | — |
EN-JS1049 | (mm) | — | 19 | 19 | 20 | 20 | 20 | 20 | 22 | 22 | 31 | 33 | 33 | 35 | |
1.0619+N | (mm) | 18 | 19 | 19 | 20 | 20 | 20 | 20 | 22 | 22 | 27 | 29 | 33 | 35 | |
1.4408 | (mm) | 18 | 15 | 16 | 17 | 17 | 17 | 17 | 19 | 19 | 24 | 26 | 33 | 35 | |
Flanges acc. to DIN EN 1092-1 / -2, Flangeholes/-thickness tolerances acc. to DIN 2533 / 2543 / 2545 / 28605 / 28607, raised face, facing acc. to DIN EN 1092-1 form B1 |
Pressure-temperature-ratings | Intermediate values for max. permissible operational pressures can be determined by linear interpolation of the given temperature / pressure chart. |
acc. to DIN EN 1092-2 | -60°C to <-10°C 1) | -10°C to 120°C | 150°C | 200°C | 250°C | 300°C | 350°C | 400°C | 450°C | ||
EN-JL1040 | PN16 | (bar) | — | 16 | 14,4 | 12,8 | 11,2 | 9,6 | — | — | — |
EN-JS1049 | PN25 | (bar) | on request | 25 | 24,3 | 23 | 21,8 | 20 | 17,5 | — | — |
EN-JS1049 | PN40 | (bar) | on request | 40 | 38,8 | 36,8 | 34,8 | 32 | 28 | — | — |
acc. to manufacturers standard | -60°C to <-10°C 1) | -10°C to 120°C | 150°C | 200°C | 250°C | 300°C | 350°C | 400°C | 450°C | ||
1.0619+N | PN25 | (bar) | 18,7 | 25 | 23,9 | 22 | 20 | 17,2 | 16 | 14,8 | 8,2 |
1.0619+N | PN40 | (bar) | 30 | 40 | 38,1 | 35 | 32 | 28 | 25,7 | 23,8 | 13,1 |
acc. to DIN EN 1092-1 | -60°C to <-10°C | -10°C to 100°C | 150°C | 200°C | 250°C | 300°C | 350°C | 400°C | 450°C | ||
1.4408 | PN40 | (bar) | 40 | 40 | 36,3 | 33,7 | 31,8 | 29,7 | 28,5 | 27,4 | — |
Studs and nuts made of A4-70 (at temperatures below -10°C)
Certified coefficient of discharge Kdr (Values for D/G variable: DN15-100; 250 < 3,5 bar, DN125-200 < 4,0 bar) | |||||||||||||
DN1 / DN2 | 15 / 25 | 20 / 32 | 25 / 40 | 32 / 50 | 40 / 65 | 50 / 80 | 65 / 100 | 80 / 125 | 100 / 150 | 125 / 200 | 150 / 250 | 200 / 300 | 250 / 350 |
TÜV · SV · . . -663 · D/G | 0,74 | 0,7 | 0,75 | 0,7 | |||||||||
TÜV · SV · . . -663 · F | 0,52 | 0,54 | 0,48 | 0,45 | 0,56 | 0,52 |
ARI-SAFE-SN ANSI
ANSI-Full lift/Standard safety valve with flanges – closed lifting device – ASME
PHONE: 0812-3340-4116WHATSAPP: 0812-3340-4116
ARI ARMATUREN – Steam product solution
- ARI-SAFE Full lift/Standard safety valve with flanges
- ARI-SAFE-P Standard safety valve with flanges
- ARI-SAFE-P 920 Standard safety valve with flanges
- ARI-SAFE-TC Full lift/Standard safety valve
- ARI-SAFE-TCP closed bonnet – closed lifting device
- ARI-SAFE TCS for horizontal application ARI Armaturen
- ARI-SAFE-SN ANSI ANSI-Full lift/Standard safety valve
- ARI-REYCO R Series ANSI-Full Nozzle -Safety Relief Valve
- ARI-REYCO RL Series ANSI-Full Nozzle-Safety Relief Valve