E-mail: buyworldproducts@gmail.com
  • English
  • Español
  • Français
  • 日本語
  • Российская
  • World Industry |
  • World Auto Fitting |
  • World Valve  |
  • World Sanitary Ware |
  • Contact Us |
  • Home
  • ~ Balancing valve
  • ~ Safety valve
  • ~ Pressure reducing valve
  • ~ Automatic control valves
  • ~ Air vent valve
  • ~ Radiator valve
  • ~ Lockshield valve
  • ~ HV valves
  • ~ Bypass valve
  • ~ Ball valves
  • ~ Bibcock
  • ~ Angle valve
  • ~ Gate valve
  • ~ Cut-off valve
  • ~ Check valve
  • ~ Float valves
  • ~ Pipe fittings
  • ~ PVC ball valves
  • ~ Fire safety valve
  • ~ Bronze valve
  • ~Solenoid valve
  • ~ Two-piece bronze
  • Gas ball valves,gas cocks & loglighters
  • ~Supply-straight pattern
  • ~ Hose bibbs & garden valves
  • ~ Angle sillcocks
  • ~Stop & waste valves
  • ~Bronze & bronze gate & check valves
  • ~Speciality valves
  • ~Boiler drains
  • ~Other valves
  Safety Valve
 

DIAPHRAGM SAFETY VALVE
ZWVST

Diaphragm, safety valve wont fox setting
the material of the body and cap is CW617N brass.
Nominal Pressure:PN10 Overpressure:10%
Run out overpressure:20
Max working temperature:120℃
Female thread with reinforced exit
 
CODE
PART No.
SPEC
Bar(kg/cm2)
Min Ord.Qty
ZWVST
212122
1/2"× 3/4"
2.25
1000
ZWVST
212125
1/2" ×3/4"
2.5
1000
ZWVST
212127
1/2" ×3/4"
2.7
1000
ZWVST
212130
1/2" ×3/4"
3
1000
ZWVST
212135
1/2" ×3/4"
3.5
1000
ZWVST
212140
1/2"× 3/4"
4
1000
ZWVST
212145
1/2" ×3/4"
4.5
1000
ZWVST
212150
1/2" ×3/4"
5
1000
ZWVST
212154
1/2"× 3/4"
5.4
1000
ZWVST
212160
1/2"× 3/4"
6
1000
ZWVST
213122
3/4" ×1"
2.25
1000
ZWVST
213125
3/4"× 1"
2.5
1000
ZWVST
213127
3/4" ×1"
2.7
1000
ZWVST
213130
3/4" ×1"
3
1000
ZWVST
213135
3/4"× 1"
3.5
1000
ZWVST
213140
3/4"× 1"
4
1000
ZWVST
213145
3/4"× 1"
4.5
1000
ZWVST
213150
3/4" ×1"
5
1000
ZWVST
213154
3/4"× 1"
5.4
1000
ZWVST
213160
3/4"× 1"
6
1000
ZWVST
214122
1" ×11/4"
2.25
1000
ZWVST
214125
1" ×11/4"
2.5
1000
ZWVST
214527
1" ×11/4"
2.7
1000
ZWVST
214130
1" ×11/4"
3
1000
ZWVST
214135
1"× 11/4"
3.5
1000
ZWVST
214140
1" ×11/4"
4
1000
ZWVST
214145
1"× 11/4"
4.5
1000
ZWVST
214150
1"× 11/4"
5
1000
ZWVST
214154
1" ×11/4"
5.4
1000
ZWVST
214160
1"× 11/4"
6
1000
ZWVST Series technical data & low flux  
Type
bar(kg/cm2)
pressure
Aperture
mm
Aperture
Cutting aresar
cm2
Aperture
Cutting area
cm2

Flux Modulus
k
Ability
Steam & Liquid
kg/h
KW
Boiler

1/2"

×
3/4"
2.25
2.475
1.80
15
1.7671
0.71
205.67
119.29
2.50
2.75
2.00
221.40
128.41
2.70
2.79
2.16
233.78
135.59
3.00
3.30
2.40
253.74
147.17
3.20
3.85
2.80
284.07
164.76
4.00
4.40
3.20
318.07
164.76
4.50
4.95
3.60
344.78
199.97
5.00
5.50
4.00
276.69
218.30
5.40
5.94
4.32
399.70
231.24
6.00
6.60
4.80
442.81
256.83
Type
bar(kg/cm2)
pressure
Apertuer
mm

Aperture
Cutting area
cm2

Flux
Modulus
K
Ability
Stem & Liquid
kg/h
KW
Boiler
3/4"
×
1"
2.25
2.475
1.80
20
3.1416
0.80
412.01
238.96
2.50
2.75
2.00
443.52
257.24
2.70
2.97
2.16
468.31
271.62
3.00
3.30
2.40
508.30
294.81
3.50
3.85
2.80
569.04
330.04
4.00
4.40
3.20
637.17
369.55
4.50
4.95
3.60
690.67
400.58
5.00
5.50
4.00
735.96
437.31
5.40
5.94
4.32
804.25
466.50
6.00
6.60
4.80
887.04
514.48
Type
bar(kg/cm2)
pressure
Aperture
mm
Aperture
Cutting aresar
cm2
Aperture
Cutting area
cm2

Flux Modulus
k
Ability
Steam & Liquid
kg/h
KW
Boiler
1"
×1 1/4"
2.25
2.475
1.80
25
4.9087
0.71
 571.37 331.37
2.50
2.75
2.00
 615.03 356.71
2.70
2.79
2.16
 649.41 376.65
3.00
3.30
2.40
 704.86 408.82
3.20
3.85
2.80
 789.09 457.67
4.00
4.40
3.20
 883.56 512.46
4.50
4.95
3.60
 957.75 555.49
5.00
5.50
4.00
 1045.55 606.42
5.40
5.94
4.32
 1120.55 649.79
6.00
6.60
4.80
 1230.06 713.43
 
E-mail: buyworldproducts@gmail.com  
ETW International