AK-22 Valves
full lift, modied nozzle, small bore, thermal expansion relief valves in screwed & anged connection for gas or liquid for moderate ow upto 102 BAR.
Series AK-22 & AK-23
suitable to relieve liquids, available in orice area 0.80 cm2 (0.12 in2 )
AK-23 (Thermal expansion relief valves)
AK-23 valves suitable to relieve liquids or gas, available in orice area 0.38 cm2 (0.06 in2 ). Provided with an adjustable blow down ring.
| PART NO. | PART NAME | STANDARD MATERIALS | CORROSIVE SERVICES |
|---|---|---|---|
| 01 | Body | A216WCB | A351 CF8 M |
| 04 | Cap | CS / WCB | S.S.316 / CF8 M |
| 06 (R) | Nozzle | S.S.316 | S.S.316 |
| 07 | Nozzle Ring (Guide) | S.S.316 / CF8 M | S.S.316 / CF8 M |
| 11 (R) | Disc | S.S.316 | S.S.316 |
| 13 | Stem | S.S.316 | S.S.316 |
| 14 | Adjusting Screw | S.S.316 | S.S.316 |
| 15 | Adjusting Screw Nut | S.S.316 | S.S.316 |
| 22 | Set Screw | S.S.316 | S.S.316 |
| 40-41 (R) | Gasket | PTFE | PTFE |
| 45 | Spring Wash | CS | S.S.316 |
| 46 (R) | Spring | S.S.316 | S.S.316 |
CODIFICATION NUMBERING SYSTEM
TYPE
SERIES AK-22/AK-23
END CONNECTION
NM-NPT (M) / NF-NPT (F) /
FL-FLANGE / BM-BSP (M) / BF-BSP (F)
BODY MATERIAL
A-CARBON STEEL
X-STAINLESS STEEL
O-OTHER MATERIAL
PRESSURE CLASS
01-PR<20BAR
02-PR<20BAR>102BAR
SPRING MATERIAL
C-CARBON STEEL / P-SS 304 /
Q-SS 316 / Z-OTHER MATERIAL
ACCESSORIES
A-WITHOUT ACCESSORIES / F-LIFTING LEVER
V-GAG / S-STELLITED NOZZLE AND DISC
Z-OTHER ACCESSORIES
INLET CONNECTION
F -½ x 1″
G -¾ x 1″ / H – 1″ x 1″
| INLET | OUTLET | END CONNECTION |
A ±3 |
B ±3 |
C ±3 |
D ±3 |
E ±3 |
Approx. Weight (Kg.) |
|---|---|---|---|---|---|---|---|---|
| ½, ¾, 1” | 1” | SCREWED MALE | – | 45 | – | 93 | 287 | 3.5 |
| ½, ¾, 1” | 1” | SCREWED FEMALE | 65 | 45 | 260 | – | – | 3.5 |
| ½, ¾, 1” | 1” | FLANGED | 122 | 85 | 316 | – | – | 5 |