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Worm gear fully lined with rubber butterfly valve
Product model: D371J
Nominal diameter: DN50~1000mm
Nominal pressure: PN0.6~1.6MPa
Applicable medium: air, water, sewage, steam, gas, oil, etc
Applicable temperature: ¡Ü120¡æ
Operating temperature: normal temperature
Form of connection: clamp
Main material: all kinds of rubber, teflon
Product details

Worm gear fully lined with rubber butterfly valve - purpose and characteristics

D371J Worm gear fully lined with rubber butterfly valve_ main features:

2. Small operating torque, easy operation, labor saving and dexterity.

3, can be installed at any location, easy maintenance.

4. The seals can be replaced, and the sealing performance is reliable to achieve two-way sealing and zero leakage.

5, sealing material aging resistance, corrosion resistance, long service life and other characteristics.


D371J USES standard

Flange connection dimensions: GB/ t9113.1-2000 GB/ t9115.1-2000 jb78

Structure length: GB/ t12221-1989

Pressure test: GB/ t13927-1992;JB/T9092-1999


Main technical parameters of D371J Worm gear fully lined with rubber butterfly valve

Nominal diameter

DN(mm)

50~2000

Nominal pressure

PN(MPa)

0.6

1.0

1.6

Test pressure
Ps(MPa)

Strength test

0.9

1.5

2.4

Sealing test

0.66

1.1

1.76

Gas seal test

0.6

0.6

0.6

Applicable medium

Air, water, sewage, steam, gas, oil, etc.

Driving form

Manual, worm and worm gear transmission, gas transmission, electrical transmission.

Material of main parts ofD371J Worm gear fully lined with rubber butterfly valve

Part name

material

The body

All kinds of rubber and polytetrafluoroethylene

Disc

Gray cast iron, ductile cast steel, cast steel, stainless steel and special materials

Sealing ring

Ductile iron, cast steel, alloy steel, stainless steel

Stem

2Cr13,Stainless steel

Packing

O-ring, flexible graphite

Selection of sealing material and applicable temperature of butterfly valve

Material variety

Neoprene

Ding Qing rubber

Ethylene propylene rubber

Teflon

Silicon rubber

Fluorine rubber

Code

X or J

XA or JA

XB or JB

XC,JC or F

XD or JD

XE or JE

Maximum temperature resistance

82¡æ

93¡æ

150¡æ

232¡æ

250¡æ

204¡æ

Minimum temperature resistance

-40¡æ

-40¡æ

-40¡æ

-268¡æ

-70¡æ

-23¡æ

Applicable working temperature

¡Ü65¡æ

¡Ü80¡æ

¡Ü120¡æ

¡Ü200¡æ

¡Ü200¡æ

¡Ü180¡æ






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