Pneumatic film sleeve control valve

Standard technical parameters
Body type: single seat, double seat, sleeve

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, PN63, PN100 are concave surfaces

Material: WCB, 304, 316, 316L

On the cover: standard (-20℃~ + 200 ℃)

Low temperature (-60℃~ 196℃)

Cooling type (-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, double seat, sleeve

Valve seat: 304, 316, 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: 50:1

Leakage level: metal seal: less than 0.01 (ANSI b16.104-1976iv)

Soft seal: less than 0.00001%

Back to the poor: ≤1%

Dead zones: ≤1%

Basic error: ±1%