Submitted by divya on July 2, 2025

DF270 Integral Valve & Actuator

Heavy duty, compact control valve.

1 to 2 inch NPS (25 to 50mm DN) Valve
1/4 to 1 inch (6.4 to 25.4mm) Port
Globe and Angle Body Styles
RF | RTJ | FNPT Available End Connections
ASME B16.34 Class 150 to 1500 Pressure Rating
ANSI/FCI 70.2 Class IV Shutoff

DF270 integral control valves are rugged and designed for demanding tight-space applications. The compact design makes installation and maintenance more convenient than traditional valve and actuator assemblies while offering the same functionality.

Overview

Standard live-loaded packing
Hammer nut bonnets
Field-reversible actuator
NACE construction standard

Reduced Port, Anti-Cavitation and Low-Noise Trim Available
Metal Seating Standard - Soft Seats Available
Live Loaded Packing Available
NACE Options Available
Cryogenic Options Available

Product Specifications

DF270 Valve Specifications

DF270 Available Configurations

AVAILABLE CONFIGURATIONS
BODY	SIZE	END CONNECTION
		FNPT	RF (FLANGED CONNECTION)					RTJ (FLANGED CONNECTION)
		FNPT	ASME CLASS 150	ASME CLASS 300	ASME CLASS 600	ASME CLASS 900	ASME CLASS 900/1500	ASME CLASS 600	ASME CLASS 900	ASME CLASS 900/1500
GLOBE	1" NPS (25mm DN)	ü	ü	ü	ü	ü	û	ü	ü	û
GLOBE	2" NPS (50mm DN)	ü	ü	ü	ü	û	ü	ü	û	ü
	NOTES:	FNPT = 2,250 PSI (155 BAR) COLD WORKING PRESSURE.

DF270 Available Shutoff Pressure Drops

AVAILABLE SHUTOFF PRESSURE DROPS
ACTUATOR ACTION	FLOW DIRECTION (PRESSURE TENDS TO)	PORT DIAMETER	NUMBER OF ACTUATOR SPRINGS
			0-20 PSIG (0-1.38 BARG) OPERATING PRESSURE	0-35 PSIG (0-2.41 BARG) OPERATING PRESSURE	3-15 PSIG (0.21-1.03 BARG) OPERATING PRESSURE	6-30 PSIG (0.41-2.07 BARG) OPERATING PRESSURE
			3	6	3	6
FAIL CLOSED	FLOW UP (OPENS VALVE)	1/4" (6.4mm)	3,750 PSI (259 BAR)	3,750 PSI (259 BAR)	3,750 PSI (259 BAR)	3,750 PSI (259 BAR)
		3/8" (9.5mm)	3,750 PSI (259 BAR)	3,750 PSI (259 BAR)	1,979 PSI (136 BAR)	3,750 PSI (259 BAR)
		1/2" (12.7mm)	2,007 PSI (139 BAR)	3,750 PSI (259 BAR)	1,033 PSI (71 BAR)	2,386 PSI (165 BAR)
		3/4" (19.1mm)	803 PSI (55 BAR)	1,873 PSI (123 BAR)	388 PSI (27 BAR)	989 PSI (68 BAR)
		1" (25.4mm)	402 PSI (28 BAR)	1,004 PSI (69 BAR)	178 PSI (12 BAR)	516 PSI (36 BAR)
FAIL OPEN	FLOW UP (OPENS VALVE)	1/4" (6.4mm)	3,750 PSI (259 BAR)	3,750 PSI (259 BAR)	û	û
		3/8" (9.5mm)	3,750 PSI (259 BAR)	3,750 PSI (259 BAR)	û	û
		1/2" (12.7mm)	3,750 PSI (259 BAR)	3,750 PSI (259 BAR)	û	û
		3/4" (19.1mm)	1,412 PSI (97 BAR)	3,750 PSI (259 BAR)	û	û
		1" (25.4mm)	744 PSI (51 BAR)	2,062 PSI (142 BAR)	û	û