Class type:
Shunt three pass regulating valve
Confluence three-way regulating valve
Valve body
Type: three-way casting structure electric three-way control valve
Nominal diameter: DN20-DN200
Nominal pressure: ANSI150, 300, 600LB
JIS10, 16, 20, 30, 40K
PN1.6, 2.5, 4.0, 6.4 MPa
Connection mode: flange: FF, RF, RJ and LG
Flange standard: ANSI B16.5, JIS B2201
JB/T79.1 PN1.6 MPa, JB/T79.2
Threads: DIN, NPT, RC, BSP, G, etc
Welding: GB12224-89
Sealing surface: PN16 convex surface, PN40 is concave surface
Material: WCB, 304, 316, 316L
On the cover: standard (-20 ℃ ~ + 200 ℃)
Low temperature (-60 ℃ ~ 196 ℃)
Cooling type (-to 40 ℃ ~ 450 ℃)
Bellows seal type
Gland form: pressure plate type
Fill: V type fluorine teflon, flexible graphite
In the valve components
Valve core form: single cylinder type
Valve seat: 304, 316 + STL
Flow characteristics: equal percentage, linear, fast
Actuator
Form: electric actuator
Action form: positive action and reaction
Control mode: proportional regulator or switch type
Input signal: 4-20mA, 0-10V, 1-5V, on-off
Output signal: 4-20mA or passive contact signal
Source: AC220V, AC380V, DC24V, etc.
Explosion-proof level: ExdIIBT4, ExdIICT6 or other (optional)
Manual device: with handle
Attachment (as required)
Heater, overload protection
Performance
Rated KV: reference table
Traffic characteristics: linear, equal percentage, fast
Adjustable range: 30:1
Leakage level: metal seal: less than 0.01 (ANSI b16.104-1976iv)
Soft seal: less than 0.00001%
Return difference: small for full stroke 1 % (with localizer)
Small in full range 3%-5% (no localizer)
Basic error: ±1% (with localizer) ±5% (no localizer)