FULL LIFT, FULL NOZZLE, PORTABLE SPRING LOADED SAFETY RELIEF VALVE FOR GAS, LIQUID & CRYOGENIC SERVICE. SIZE ½” TO 1½”. SET PRESSURE UPTO 420 BAR. TEMPERATURE UPTO 400ºC
DESIGN FEATURE
- End connection screwed (BSP or NPT) or anged
- Adjustable blow down ring
- Inlet connection screwed male or female
- Screwed Full Nozzle
- Flanges according to ANSI B 16.5
- Metal to Metal OR Soft Seat
- Suitable for Thermal Relief applications
- Valve sizing in accordance with standard API-520, Part-I (Using API-520 Coefcient & effective discharge area as per API-526)
- Special materials (Included compliance to NACE MR 0175)
CONSTRUCTION
Body Materials
- Carbon Steel / LTCS (Killed)
- Stainless Steel (SA 351 CF8M/ 3M)
- Exotic Material
ACCESSORIES / OPTIONS
- Test Gag
- Lifting Lever (Packed only)
- Nozzle & Disc Stellited
| PRESSURE/SAFETY RELIEF VALVES SCREWED & FLANGED TYPE SERIES : AK-11 | |||
|---|---|---|---|
| PART LIST | MATERIALS | ||
| POSITIION | DESCRIPTION | STAINLESS STEEL LOW TEMP – 29˚ C TO + 250˚ C |
CARBON STEEL TEMP – 29˚ C TO + 250˚ C |
| 01 | BODY | A 351 Gr. CF8M / 3M | A 216 Gr. WCB |
| 02 | BONNET | A 351 Gr. CF8M / 3M | A 216 Gr. WCB |
| 03 | CAP | A 351 Gr. CF8M / 3M | A 216 Gr. WCB |
| 04(R) | NOZZLE | SS 316 / 316 L | AISI 316 |
| 05(R) | DISC | SS 316 / 316 L | AISI 316 |
| 06 | NOZZLE RING | A 351 Gr. CF8M / 3M | A 216 Gr. WCB |
| 07 | NOZZLE RING PIN | SS 316 | SS 316 |
| 08 | PISTON | SS 316 | SS 316 |
| 09 | GUIDE | SS 316 / CF8M / 3M | SS 316 / CF8M |
| 10 | BALL | SS 304 | SS 304 |
| 11 | SPINDLE | SS 316 | SS 316 |
| 15(R) | SPRING | SS 316 | SS 316 |
| 16 | SPRING WASHER | SS 316 | SS 316 |
| 17 | ADJUSTING SCREW | SS 316 | SS 316 |
| 18 | LOCK NUT | SS 316 | SS 316 |
| 19/20 | CAP -BONNET FASTENER | SS 304 | CS |
| 21 | SET SCREW GASKET | PTFE | PTFE |
| 22 | GUIDE GASKET | PTFE | PTFE |
| 23(R) | CAP GASKET | PTFE | PTFE |
| 24 | DRAIN PLUG | SS 304 | SS 304 |
| 25(R) | NOZZLE GASKET | SS 316 | SS 316 |
| 26 | FLANG (LAPPED) | A182 G.316 / 316L | A182 G.316 / 316L |
| 27 | CAP PLUG | SS | CS |
| 28(R) | CAP PLUG GASKET | PTFE | PTFE |
| 29 | TEST GAG | SS | CS |
| 30 | LEVER ASSEMBLY | A 479 304 | A 479 304 |
| PRESSURE/SAFETY RELIEF VALVES SCREWED & FLANGED TYPE SERIES : AK-11 |
|---|
| CODIFICATION NUMBERING SYSTEM |
| PRESSURE/SAFETY RELIEF VALVES SCREWED & FLANGED TYPE SERIES : AK-11 | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| SIZES – SCREWED TYPE | ||||||||||
| ORIFICE | PRESSURE CLASS |
CONNECTION – BSP/NPT | MAX SET PRESSURE AT 38o C (BAR-g) |
DIMENSION – SCREWED CONNECTION | APPROX WEIGHT (KG) |
|||||
| DESIGNATION | EFFECTIVE AREA (cm2 ) Sq In |
Inlet Male | Outlet Female | ±3 A mm |
±3 B mm |
H mm (+20) | ||||
| Non – Lever Type | Lever Type | |||||||||
| B | (0.28) 0.044 |
4 | 1/2” | 1/2” | 153 | 51 | 40 | 212 | 265 | 2.5 |
| 4 | 1/2” | 3/4” | 153 | 51 | 40 | 212 | 265 | 2.5 | ||
| 4 | 1/2” | 1” | 153 | 51 | 40 | 212 | 265 | 2.5 | ||
| 4 | 3/4” | 1” | 153 | 51 | 40 | 212 | 265 | 2.5 | ||
| 4 | 1” | 1” | 153 | 56 | 40 | 212 | 265 | 2.5 | ||
| 6 | 3/4” | 1” | 420 | 64 | 85 | 332 | 332 | 6 | ||
| 6 | 1” | 1” | 420 | 70 | 85 | 338 | 338 | 7 | ||
| D | (0.71) 0.11 |
3 | *1/2” | 1” | 102 | 64 | 50 | 223 | 276 | 3 |
| 3 | 3/4” | 1” | 102 | 64 | 50 | 223 | 276 | 3 | ||
| 3 | 1” | 1” | 102 | 70 | 50 | 223 | 276 | 3 | ||
| 5 | 3/4” | 1” | 255 | 64 | 85 | 332 | 332 | 6 | ||
| 5 | 1” | 1” | 255 | 70 | 85 | 338 | 338 | 7 | ||
| E | (1.26) 0.196 |
2 | 3/4” | 1” | 51 | 64 | 50 | 224 | 277 | 3 |
| 2 | 1” | 1” | 51 | 70 | 50 | 224 | 277 | 3 | ||
| 4 | 3/4” | 1” | 153 | 64 | 85 | 332 | 332 | 6 | ||
| 4 | 1” | 1.5” | 153 | 70 | 85 | 338 | 338 | 7 | ||
| F | (1.98) 0.307 |
2 | 1” | 1.5” | 51 | 91 | 60 | 291 | 344 | 6 |
| 2 | 1.5” | 1.5” | 51 | 91 | 60 | 291 | 344 | 6 | ||
| G | (3.24) 0.503 |
1 | 1” | 1.5” | 19.6 | 91 | 60 | 291 | 344 | 6 |
| 1 | 1.5” | 1.5” | 19.6 | 91 | 60 | 291 | 344 | 6 | ||
| PRESSURE/SAFETY RELIEF VALVES SCREWED & FLANGED TYPE SERIES : AK-11 | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| SIZES – FLANGE TYPE | ||||||||||||
| ORIFICE | PRESSURE CLASS |
CONNECTION | MAX SET PRESSURE AT 38o C (BAR-g) |
DIMENSION – SCREWED CONNECTION | APPROX WEIGHT (KG) |
|||||||
| DESIGNATION | EFFECTIVE AREA (cm2 ) Sq In |
N.D. Inlet |
N.D. Outlet |
Inlet Class |
Outlet Class |
±3 A mm |
±3 B mm |
H mm (+20) | ||||
| Non – Lever Type | Lever Type | |||||||||||
| B | (0.28) 0.044 |
4 | 1/2” / 3/4” / 1” |
1” | 150 | 150 | 19.7 | 98 | 85 | 261 | 314 | 6 |
| 4 | 300 | 150 | 51 | 98 | 85 | 261 | 314 | 6 | ||||
| 4 | 600 | 150 | 102.1 | 98 | 85 | 261 | 314 | 6 | ||||
| 4 | 900 | 150 | 153.1 | 98 | 90 | 261 | 314 | 8 | ||||
| 6 | 1500 | 300 | 255.5 | 118 | 120 | 390 | 390 | 11 | ||||
| 6 | 2500 | 300 | 425.5 | 118 | 120 | 390 | 390 | 12 | ||||
| D | (0.71) 0.11 |
3 | 1/2” / 3/4” / 1” |
1” | 150 | 150 | 19.7 | 98 | 85 | 260 | 312 | 7 |
| 3 | 300 | 150 | 51 | 98 | 85 | 260 | 312 | 7 | ||||
| 3 | 600 | 150 | 102.1 | 98 | 85 | 260 | 312 | 7 | ||||
| 5 | 900 | 150 | 153.1 | 118 | 120 | 390 | 390 | 11 | ||||
| 5 | 1500 | 300 | 255.5 | 118 | 120 | 390 | 390 | 12 | ||||
| E | (1.26) 0.196 |
2 | 3/4” / 1” |
1” | 150 | 150 | 19.7 | 98 | 85 | 260 | 312 | 7 |
| 2 | 300 | 150 | 51 | 98 | 85 | 260 | 312 | 7 | ||||
| 4 | 600 | 150 | 102.1 | 118 | 120 | 390 | 390 | 11 | ||||
| 4 | 900 | 150 | 153.1 | 118 | 120 | 390 | 390 | 11 | ||||
| F | (1.98) 0.307 |
2 | 1” / 11/2” |
1 1/2” | 150 | 150 | 19.7 | 118 | 100 | 318 | 371 | 10 |
| 2 | 300 | 150 | 51 | 118 | 100 | 318 | 371 | 10 | ||||
| G | (3.24) 0.503 |
1 | 1” | 1.5” | 150 | 150 | 19.7 | 118 | 100 | 318 | 371 | 10 |