Level Handle Operated Butterfly Valve

-50 to +150

F4

PTFE

-20 to +150

X9

EPDM anti-heat

-23 to +150

X7

FPM

B7

CF8 stainless steel

L

Aluminum alloy

-10 to +50

X6

Abrasion resistance rubber

B6

Carbon steel

C

Carbon steel

-12 to +93

-12 to +82

In a short time

X(X5)

NBR

B5

CF8 stainless steel

R

CF8 stainless steel

-7 to +107

-7 to +93

In a short time

X4

Neoprene

B4

Titanium steel

P

Stainless steel

ZG1Cr18Ni9Ti

-50 to +150

-45 to +135

In a short time

X3

EPDM

B3

Stainless steel

ZG1Cr18Ni9Ti

T

Aluminum bronze

-18 to +149

-18 to +135

In a short time

X2

Hypalon

PTFE

Carbon steel

B2

Aluminum bronze

Q

Ductile cast iron

-20 to +85

X1

gas

Natural

bronze

Lubricated

Stainless steel

mark(B1)

No

ductile cast iron

Encapsulated

mark(Z)

No

Grey iron

(C)

Temperature

No.

Name

Name

No

Name

No.

Name

Rubber seat

Bush

Axis

Disc

Valve body

Materials

Potable water, sea water, waste water, air, steam, aliment, medicine, oil, acid, alkali, salt

Suitable medium

C

-50 to +150

Suitable temperature

2.4

1.5

Shell

1.76

1.1

Seal

Test pressure

MPa

1.6

1.0

Nominal pressure

Mm

40-800

40-1000

Nominal size

Performance

6. Different materials for components, suitable for many mediums,

5 Completely seal is available, zero leakage by air test.

4. Hundreds of thousands times of cycling test, long service life.

3. Flow line trends to be a straight line, good regulate performance.

2. Simple construction, compact, 90 degree rotation to open and close immediately, small operating torque.

1 Light in weight, easy to install and discharge, maintenance, can be installed in any position.

Features:

 

high accuracy
effective stem seal
reasonable construction
limited operating torque
litle potential effect of seat expansion

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