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Product name： | A21/KA21 series ammonia safety valve | |||||
| specification： |   Zoom in on the image |
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| Category： | Pump valve fittings -- safety valve | ||||||
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Price： | factory price | |||||
| Brand： | Shanghai | ||||||
| Place of Origin： | China | ||||||
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Available Quantity： | batch | |||||
| delivery cycle： | Spot goods (or inquire by telephone) | ||||||
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Model |
Nominal Diameter |
do |
d |
Do |
M |
d1 |
D1 |
L |
L1 |
≈H |
|
KA21-16C A21H-16C A21H-40 A21W-16P A21W-40P KA21-16P |
fifteen |
twelve |
fifteen |
twenty |
M27×1.5 |
G1/2" |
thirty |
thirty-five |
seventy-six |
sixty-six |
|
twenty |
sixteen |
twenty |
twenty-five |
M33×1.5 |
G3/4" |
thirty-five |
forty |
eighty-seven |
sixty-eight | |
|
twenty-five |
eighteen |
twenty-five |
thirty-one |
M39×1.5 |
G1" |
forty |
fifty |
one hundred |
one hundred and five | |
|
A21Y-64 A21Y-64P A21Y-100 A21Y-100P |
fifteen |
ten |
fifteen |
twenty-five |
M39×1.5 |
G1" |
forty-four |
fifty |
one hundred |
sixty-six |
|
twenty |
ten |
twenty |
thirty-one |
M39×1.5 |
G1" |
forty-four |
fifty |
one hundred |
sixty-eight | |
|
twenty-five |
twelve |
twenty-five |
thirty-one |
M39×1.5 |
G1" |
forty-four |
fifty |
one hundred |
one hundred and five | |
|
A21W-160/160P |
fifteen |
eight |
twenty |
/ |
M24×2 |
G1" |
forty-four |
fifty |
one hundred |
two hundred and sixty-one |
|
twenty |
eight |
twenty-five |
/ |
M33×2 |
G1" |
forty-four |
fifty |
one hundred |
two hundred and sixty-one | |
|
twenty-five |
eight |
twenty-eight |
/ |
M36×2 |
G1" |
forty-four |
fifty |
one hundred |
two hundred and eighty-five |
|
NO. |
Part Name |
A21H-C/A21F material |
A21W-P/A21F-P material |
A21Y-R material |
|
one |
Pipe joint |
twenty |
1Cr18Ni9Ti |
1Cr18Ni12Mo2Ti |
|
two |
Pipe joint nut |
thirty-five |
2Cr13 |
1Cr18Ni9Ti |
|
three |
valve seat |
thirty-five |
1Cr18Ni9Ti |
1Cr18Ni12Mo2Ti |
|
four |
valve body |
2Cr13 |
1Cr18Ni9Ti |
1Cr18Ni12Mo2Ti |
|
five |
valve disc |
2Cr13/2Cr13+PTFE |
1Cr18Ni9Ti/1Cr18Ni9Ti+PTFE |
1Cr18Ni12Mo2Ti |
|
six |
spring seat |
2Cr13 |
1Cr18Ni9Ti |
1Cr18Ni12Mo2Ti |
|
seven |
spring |
50CrVA |
50CrVA coated fluoroplastic |
50CrVA coated fluoroplastic |
|
eight |
lock nut |
Q235-A |
ZG230-450 |
1Cr18Ni9Ti |
|
nine |
Spring guided pad |
2Cr13 |
1Cr18Ni9Ti |
1Cr18Ni12Mo2Ti |
|
ten |
adjusting nut |
Q235-A |
2Cr13 |
1Cr18Ni12Mo2Ti |
|
Sealing surface material |
Y-type cladding Co based hard alloy, H-type cladding D507, W-type for valve body | |||
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