Standard Technical Parameters

Type
Shunt 3 way valve
Confluence 3 way valve

Valve body
Type: 3 way casting structure
Nominal diameter: DN20-DN200
Nominal pressure: PN16, PN40
Connection: Flange
Sealing surface: PN16 convex surface, PN40 concave surface
Material: WCB, 304, 316, 316L
Structure: Standard type (-20℃~+200℃)
Low temperature type (-60℃~-196℃)
Cooling type (-40~450℃)
Bellows seal type
Gland type: press plate
Packing: V type PTFE, flexible graphite

Valve components
Core type: single seat plunger type
Core seat: 304, 316+ SLT
Flow characteristics: Equal percentage, linear, quick-opening

Actuator                                                                                                                                                                                                                                          Type: Multi-spring diaphragm actuator
Action type: Direct action, reverse action
Diaphragm material: NBR rubber reinforcing polyester fabric
Spring range: 20~100KPa, 40~200KPa, 80~240KPa
Supply pressure:0.4~0.5MPa

Action type:
Air to close FO (With direct action actuator), when the air supply failure, the vertical direction through
Air to open FC (With reverse action actuator) When the air supply failure, the horizontal direction through

Accessories (Configured according to requirements)
Locator, air filter pressure-relief valve, hand wheel device, limit switch, solenoid valve, lock up valve and others.

Performance
Rated KV value: Reference table
Flow characteristics: Linear, equal percentage, quick opening
Adjustable range: 30:1
Leakage class
Metal seal: Less than 0.01 (ANSI B16.104-1976IV)
Soft seal: Less than 0.00001%
Hysteresis: Less than full stroke 1% (With locator) Less than full stroke 3%~5% (Without locator)
Basic error: Less than full stroke ± 1% (With locator) Less than full stroke ± 5% (Without locator)