Automatic Regulating Valve

Product Detail

 Standard Technical Parameters

Valve body
Type: Single seat, double seat
Nominal diameter: DN20-DN300
Nominal pressure: ANSI150, 300, 600LB; JIS10, 16, 20, 30,40K;
PN1.6, 2.5, 4.0, 6.4MPa
Connection: Flange: FF, RF, RJ and LG
Flange standard: ANSI B 16.5, JIS B2201
JB/T79.1 PN1.6MPa, JB/T79.2
Thread: DIN, NPT, RC, BSP, G, etc
Welding: GB12224-89
Sealing surface: PN16 convex surface
PN40, PN63, PN100 for concave surface
Material: WCB, WCC, WC6, 304, 316, 304L, 316L
Bonnet: Standard type (-20℃~+200℃)
Low temperature type (-60℃~-196℃)
Cooling type (-40℃~450℃)
Bellows seal
Gland type: press plate
Packing: V type PTFE, flexible graphite

Valve components
Core type: Single seat plunger type, pressure balanced type, double seat, metal seal, soft seal, quick opening characteristics
Core material: 304, 316, 316L+STL

Actuator
Type: Multi-spring diaphragm actuator
Diaphragm material: NBR rubber reinforcing polyester fabric
Signal interface: Internal thread M16*1.5

Performance
Rated KV value: Reference table
Flow characteristics: Quick opening
Action type: Before the pressure control valve
After the pressure control valve
Pressure adjustment range: Reference table
Pressure control precision: ± 8%
Leakage class: Metal seal: Less than 0.01
(ANSI B 16.104-1976IV)
Soft seal: Less than 0.00001%