Double Block and Bleed Valves: DBB-03

Double Block and Bleed Valve
Flange ASME B16.5 x Female NPT

Order Code:

*Dimensions:

*Materials:

Non-standard Options:

RTJ Flange port. Plug in vent port. Instrument & Vent port 1/4"NPT Female.

* Required fields

TECVAL DBB-03 process interface valves enables you to reduce drastically space and weight in the process of installations. It reduces the possibility of leaks and the maintenance. Their distribution diagram consist of two ball valves to block the line and one needle valve to bleed in 90º outflow.

Features

Process interface in one compact ball/needle/ball valve assembly.
Pressure ratings in accordance with ASME B16.5.
Flange port compatible with ASME B16.5 RF.
Instrument port 1/2"NPT Female (ASME B1.20.1.).
Vent port 1/2"NPT Female (ASME B1.20.1.).
Temperature range -20ºC/200ºC (-4ºF/392ºF).
One-Piece forged body construction.
No ejectable ball and needle stem design.

Options

RTJ Flange port.
Plug in vent port.
Instrument & Vent port 1/4"NPT Female.
O-ring seals in several materials.

Technical data

Maximum Pressure	In accordance with ASME B16.34 CLASS 150 CLASS 300 CLASS 600 CLASS 900 CLASS 1500
Temperature Range	-20ºC/200ºC (-4ºF/392ºF)
Connections	Flanged ports compatible with ASME B16.5 RF. Flanged ports compatible with ASME B16.5 RTJ.
Dimensions	1/2"	3/4"	1"	11/2"	2"
Orifice Size	12	12	12-15	12-15-20	12-15-20
Flow Coefficient (Cv)	9	9	9-18	9-18-29	9-18-29
Materials	AISI-316L (1.4404) SuperDuplex (1.4410/1.4501) Special alloys (For detailed information consult attached data sheet)

Materials

Nº	Part	AISI-316L	SuperDuplex	Special alloys
1	Handle screw	AISI-316L (1.4404)	AISI-316L (1.4404)	AISI-316L (1.4404)
2	Handle washer	AISI-316L (1.4404)	AISI-316L (1.4404)	AISI-316L (1.4404)
3	Inlet Handle	AISI-316L (1.4404)	AISI-316L (1.4404)	AISI-316L (1.4404)
4	Oulet Handle	AISI-316L (1.4404)	AISI-316L (1.4404)	AISI-316L (1.4404)
5	Stop Pin	AISI-304 (1.4301)	AISI-304 (1.4301)	AISI-304 (1.4301)
6	Stem	AISI-630 (1.4542)	Superduplex (1.4410/ 1.4501)	Special alloy
7	Stem o-ring	FPM	FPM	FPM
8	Stem bearing	Delrin	Delrin	Delrin
9	Ball	AISI-630 (1.4542)	Superduplex (1.4410/ 1.4501)	Special alloy
10	Seats*	Reinforced PTFE or PEEK	Reinforced PTFE or PEEK	Reinforced PTFE or PEEK
11	Oulet Conector	AISI-316L (1.4404)	Superduplex (1.4410/ 1.4501)	Special alloy
12	Connector O-ring	FPM	FPM	FPM
13	Inlet Connector	AISI-316L (1.4404)	Superduplex (1.4410/ 1.4501)	Special alloy
14	Body	AISI-316L (1.4404)	Superduplex (1.4410/ 1.4501)	Special alloy
15	Bar Handle	AISI-316L (1.4404)	AISI-316L (1.4404)	AISI-316L (1.4404)
16	Set screw	AISI-304 (1.4301)	AISI-304 (1.4301)	AISI-304 (1.4301)
17	Stem	AISI-316L (1.4404)	Superduplex (1.4410/ 1.4501)	Special alloy
18	Nut	AISI-316L (1.4404)	AISI-316L (1.4404)	AISI-316L (1.4404)
19	Gland	AISI-316L (1.4404)	AISI-316L (1.4404)	AISI-316L (1.4404)
20	Packing	P.T.F.E.	P.T.F.E.	P.T.F.E.
21	Bonnet	AISI-316L (1.4404)	Superduplex (1.4410/ 1.4501)	Special alloy

ORDER CODE DEFINITION

Order Code:

*Dimensions:

*Materials:

Non-standard Options:

RTJ Flange port. Plug in vent port. Instrument & Vent port 1/4"NPT Female.

Double Block and Bleed Valves: DBB-03

Double Block and Bleed ValveFlange ASME B16.5 x Female NPT

Order Code:

Features

Options

Technical data

Materials

Order Code:

Double Block and Bleed Valve
Flange ASME B16.5 x Female NPT