CONCENTRIC FLANGE TYPE

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CONCENTRIC FLANGE TYPE

Home > Products > BUTTERFLY VALVE > Concentric Flange Type

Double Flange Butterfly Valve

Size: DN40-DN1000Nominal Pressure: PN10/16, 150-300LBWorking Temperature: -15.C - 135。CSuitable Medium: Chemicals, air, water, steam, oil, acides, salts, etcFeatures:1. Small in size, light in we

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Product Details

Size:      DN40-DN1000
Nominal Pressure: PN10/16, 150-300LB
Working Temperature: -15.C - 135。C
Suitable Medium: Chemicals, air, water, steam, oil, acides, salts, etc

Features:

1. Small in size, light in weight, easy installation and maintenance.

2. Simple and compact construction, quick 90 degree on-off operation.

3. Minimized operating torque, energy saving.

4. Flow curve tending to straight line, excellent regulation performance.

5. Long service life, standing the test of tens thousands opening/closing operations.

6. Wide selection of materials, applicable to various medium.

 

 

Performance:

Nominal pressue (MPa)

1.0

1.6

Nominal diameter(mm)

50-2400

50-3200

Test pressure

Shell

1.5

2.4

(MPa)

Seal

1.1

1.76

Applicable temperature

150

Applicable medium

Fresh water, Sewage, Sea water, Air, Vapor, Food, Medicine, Oils, Acids,
Alkalis, etc.

Operating mode

manual, worm gear, pneumatic, electric, etc.

 

Standard:

Design & Manufacture

Flange Connection

Face to Face Dimension

Test & Inspection

MSS SP-67
API609
EN593

DIN PN10/16/25; ANSI B 16.1
BS4504; ISO PN10/16
JIS B 2212/2213
BS 10 table D; BS 10 table E

API609
ISO5752 series 20
BS5155

API 598

 

Material List:

No.

Part Name

Material

1

Body

Carbon Steel/Stainless Steel/Cast Iron/Ductile Iron/ Al-Bronze

2

Disc

Al-Bronze/CF8M/Ductile iron/WCB

3

Seat

EPDM/PEFE/Buna/NBR/Hypalon

4

Stem

Carbon Steel/Stainless Steel314/Stainless Steel316

5

Bushing

PTFE/Lubricating

6

O ring

EPDM/PEFE/Buna/NBR/Hypalon

7

Pin

SS316/SS416/SS304