ProductPage
Home
Products
Valves and actuators
Ball Valves
Ball valves with flange connection
[ ]
Back to category
Enlarge
ECON®
Ball valve Type: 7257 Steel Fire safe Flange Class 300
Product documents
Document
Document type
Product Brochure 01
Econ 2-piece ball valve brochure
(PDF)
Product Certificate
SIL
(PDF)
Product Certificate
FireSafe
(PDF)
Product Certificate
Fugitive Emissions (TA-luft)
(PDF)
Product Certificate
Fugitive Emissions (ISO 15848)
(PDF)
Product Manual
Installation Operation Manual
(PDF)
Product overview
Download
Show all items
Application
Industrial applications up to 51 bar.
Liquid and gaseous media.
Technical information
Flanged connection in accordance with ASME B16.5 RF.
Floating ball.
ASME pressure rating: class 300.
With direct-mount top flange in accordance with ISO 5211.
Media temperature: -10/+200°C.
Acrylic polyurethane coating in RAL5015.
½" to 3" with lever and locking device.
4" to 6" with T-bar.
8" without control as standard.
Construction
Two-piece housing construction.
Design according to ASME B16.34.
Full bore.
With anti-static design between ball and housing.
Face-to-face dimension according to ASME B16.10: long pattern.
Approval
Fugitive emission certified in accordance with TA-Luft VDI 2440 / VDI 3479.
Fugitive emission certified in accordance with ISO 15848-1 BH-CO1 and CH-CO3.
Fire-safe approval in accordance with ISO 10497 and API 607, sixth edition.
Safety integrity level IEC 61508 SIL 2.
Options
Equipped with worm gearbox and pneumatic, electric or hydraulic actuators.
Position feedback for manually actuated or automated valves.
Available with seats in TF4215.
Stainless steel extended spindle type 8007 for insulation.
Tables
Pressure and temperature range
DN
-10
38
93
149
200
[°C]
1/2" - 1"
51
48
41
37
16
[bar]
1.1/2" - 2"
51
48
41
32
15
[bar]
3" - 4"
51
48
41
27
11
[bar]
6" - 8"
51
48
35
18
4
[bar]
Stock item
Stock item (7)
Stock item
Norm: ASME
Norm: ASME
Construction type: 2-way
Construction type: 2-way
Housing construction: 2-part
Housing construction: 2-part
Housing material: Steel
Housing material: Steel
Nominal inner diameter
1" (25) (1)
1.1/2" (40) (1)
1/2" (15) (1)
2" (50) (1)
3" (80) (1)
3/4" (20) (1)
4" (100) (1)
6" (150) (1)
8" (200) (1)
Nominal inner diameter
Connection: Flange
Connection: Flange
Pressure rating: Class 300
Pressure rating: Class 300
Face to Face length (mm)
140 (1)
152 (1)
165 (1)
190 (1)
216 (1)
282 (1)
305 (1)
403 (1)
502 (1)
Face to Face length (mm)
Manual operation
Bare stem (1)
Handle (6)
T-wrench (2)
Manual operation
Secondary spindle seal material: FPM (FKM)
Secondary spindle seal material: FPM (FKM)
Clear filter
(9 of the 9 items displayed)
Related
ECON®
Oval lever Type: 6001D Stainless steel Suitable for: ISO 5211 Direct Mount
3 items
ECON®
Ball valve Type: 7297 Stainless steel Fire safe Flange Class 300
9 items
ECON®
Stem extension Type: 8007 Stainless steel Suitable for: ISO 5211 Direct Mount
9 items