Affiliate classification:
High-pressure Differential ValveSummary information:
DOCN high pressure difference series regulating valves are specially suitable for control valves under extreme conditions such as high temperature and high pressure difference.
Schematic diagram of multistage Depressurization
Technical Data
Body type | DC1834 Globe | DC1221 Globe |
Body size | DN50 – DN400（2″- 16″） | DN20 – DN100（3/4″- 4″） |
Nominal pressure | PN16 – PN420（ANSI class 150 - 2500） | PN16 – PN420（ANSI class 150 - 2500） |
Design temperature | -196℃ - 620℃ | |
Connections | RF、FM、RTJ，SW、BW | |
Body materials | Forged 20/15CrMo/12Cr1MoV ，A105，A182 F11/F22/F91/F92/F304/F316 | |
Trim materials | GB1220 20Cr13/S30408/S31608/17-4PH，A182 F6NM，A479 XM-19，Inconel 718 | |
Adjustable ratio | 50:1 – 20:1 | |
Flow characteristics | linear 、EQ% | |
Metal seat | GB4213 Ⅳ，Ⅴ ANSI class Ⅳ 、Ⅴ | |
Soft seat | Bubble-tight GB4213 Ⅵ ANSI Ⅵ | |
Trim levels | 3~7 | |
Actuator | Electric actuator | |
Pneumatic diaphragm actuator | ||
Pneumatic cylinder actuator | ||
