Pneumatic Double Seat Control Valve

Description

Pneumatic Double Seat Control Valve

Size: DN 20 to DN 300

Pressure: PN16 to PN100, Class 150 to  Class 600

Medium: Water, Oil, Steam, Gas

Temperature : -196℃ to 450℃

Body Material: WCB, LCB, CF8, CF3, CF8M, CF3M

Connection: Flanged, Butt weld

Position type: Air pressure increase, valve close or opposite

Characteristic: Linear, Equal percentage, Quick open

Other: Single Seat, Double Seat, Sleeve

Pneumatic control valve

Body type: Straight through casting globe type

Spool type: Balanced double seated type

Nominal size : DN20 to 200; NPS 3/4″ to 8〞

Nominal pressure: PN16 to 100; CLASS 150LB to 600LB

Connection: flange: FF, RF, MF, RTJ

Welding: SW,BW

Flange dimension: According to to IEC 60534

Pneumatic double seat globe control valve Bonnet type:

I: Standard type（-20℃ to 230℃）

Ⅱ: Radiator type: （-45℃ high than 230℃ occasion）

Ⅲ: Low temperature extended type（-196℃ to  -45℃）

Ⅳ: Bellow seal type

Ⅴ: Warm insulation Jacket type

Packing: V type PFTE packing, flex. graphite packing, etc.

Gasket: Metal graphite packing

Actuator: Pneumatic: multi-spring diaphragm actuator, piston type actuator.

Dimensions:

DN(mm)		25	32	40	50	65	80	100	125	150	200	250	300
L	PN16/25	185	200	220	250	275	300	350	410	450	550	670	770
	PN40	190	210	230	255	285	310	355	425	460	560	740	805
	PN64	200	210	235	265	295	320	370	440	475	570	750	820
H	PN16/25	117	120	139	144	188	208	220	268	278	320	441	503
	PN40	124	128	145	150	195	220	230	280	290	335	465	528
	PN64	130	135	155	170	205	240	255	295	310	360	480	550
H1		165	185	185	205	245	255	270	335	365	430	560	680
H2		298	298	298	298	380	380	380	510	510	510	650	650
H3		177	177	177	177	182	182	182	182	182	218	218	218
L1		280	280	280	280	350	350	350	475	475	475	560	560
A		282	282	282	282	360	360	360	470	470	470	580	580
C		220	220	220	220	270	270	270	320	320