CV3000-ZHA(B)V venturi angle regulating valve
manufacturer: Shanghai MeiYan Yi Pump & Valve Co., Ltd.
Eml: sales@1bengfa.com
Tel: +86 (21) 5640 2009
Mob: +86 138 1691 3072（WeChat Same Account）
product drawing
v_venturi_angle_regulating_valve-1.jpg)
CV3000-ZHA(B)V venturi angle regulating valves
structural features and applied range
CV3000 - ZHA (B) V venturi angle control valve core uses upper oriented structure, the structure is compact, pressure drop loss is small, flow is large, and adjustable scope is wide. It is applied to control the fluid containing particles and mud, viscous or braising fluid. Regulator equipped with multi-spring diaphragm actuator, with compact structure, and large output.
The product conforms to the GB/T4213-92.
Technical parameters and performance indicators
Body
body type angle spherical valve
nominal diameter 25、40、50、65、80、100、125、150mm
nominal pressure
ANSI: 125、150、300、600Lb
JIS: 10、16、20、30、40K
PN: 1.6、4.0、6.4MPa
connection
flange connection：FF、RF、RJ、LG
flange standard：JIS B2201-1984、ANSI B16.5-1981、JB/79-59
welding connection：SW（40～50mm） BW（65～200mm）
body material
cast steel（ZG230-450）
cast stainless steel（ZG1Cr18Ni9Ti、ZG1Cr18Ni12Mo2Ti、ZG316L）,Ti,etc
upper bonnet
normal temperature（P）：-17～+230℃
extend I type（EⅠ）：-45～-17℃ +230～+566℃
extend Ⅱtype（EⅡ）：-100～-45℃
extend Ⅲtype（EⅢ）：-196～-100℃
Note: working temperature can not exceed the various materials allowed range
gland type: bolt pressure type
Sealing packing V type PTFE packing, containing PTFE leached asbestos packing, asbestos weave packing, graphite packing
Internal components
core type single-seat plunger core
material : S.S（1Cr18Ni9Ti、1Cr18Ni12Mo2Ti、17-4PH、9Cr18、316L）, SS bead weld stellite, Ti and anti-corrsive alloy, etc
actuator
type: ZHA(B) multi-spring diaphram actuator
diaphragm material: NBR with nylon
spring scope 20～100、80～240KPa
air supply pressure: 140～400kPa
air source interface Rc 1/4
environmental temperature-30～+70℃
valve acting type: pneumatic close or pneumatic open type
Annex locator, air pressure filter, position valve, stroke switches, the transmitter, handwheel mechanism, etc
Performance
Leakage: less than 0.01% of rated volume，in accordance with ANSI B16.104-1976 class Ⅳ
Return difference
with positioner: less than 1% of full stroke
without positioner: less than 3% of full stroke
intrinsic error
with positioner: less than ±1% of full stroke
without positioner: less than ±5% of full stroke
Note: using normal V type PTFE packing
adjustable scope 50：1
