Affiliate classification:
High-pressure Differential ValveSummary information:
DOCN high pressure differential series regulating valves are specially suitable for control valves under extreme conditions such as high temperature and high pressure difference.
Technical Data
Body type | DC1844 ball valve | DC1854 ball valve |
Body size | DN20 – DN400（3/4″- 16″） | DN20 – DN400（3/4″- 16″） |
Nominal pressure | PN16 – PN420（ANSI class 150 - 2500） | PN16 – PN420（ANSI class 150 - 2500） |
Fluid temperature | -196℃ - 620℃ | |
Connections | RF, FM, RTJ,SW, BW | |
Body materials | 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 | |
Depressurization level | UP to level 40 | |
Actuator | Electric actuator | |
Pneumatic diaphragm actuator | ||
Pneumatic cylinder actuator | ||
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