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Valve Seriers - Safety Valve Seriers
WA41C Type Pound-grade balance bellows spring loaded safety valve
A. Pound-grade balance bellows spring loaded safety valve Main property and specification
Normal Pressure PN 150 300 1500
Body strength Ps (MPa) 3.0 7.5 37.5
Set pressure Pk (MPa) 0.1~2 1.6~5 10~25
Seal pressure Pm 90%Pk
Reseating pressure Ph ≥90%Pk
Relieving pressure Pp ≤1.1Pk
Lift H (mm) ≥1/20 do
Appropriate temperature C ≤300℃
P、R ≤200℃
Appropriate medium C Gas, liquid
P、R Nitric Acid, Acetic Acid, Gas, Liquid
Code of throat diameter
Code Diameter Code Diameter
D 10 L 50
E 13 M 55
F 16 N 60
G 20.5 P 72
H 26 Q 96
J 33 R 115
K 40 T 148
WA41C Type Pound-grade balance bellows spring loaded safety valve
B. WA41C Type Pound-grade balance bellows spring loaded safety valve Main Dimension
WA41C150,A41C150P,WA41C150R
Normal
Diameter DN (in)		 Dimension(mm)
do D D1 D2 b t z-￠d DN’ D’ D1’ D2’ t’ b’ z-￠d’ L L1 H
1/2’’×1/2’’ D 89 60.5 35 12 6 4-15 15 89 60.5 35 1.6 12 4-15 90 90 320
3/4’’×1’’ D 98 70 43 14 6 4-15 25 108 79.5 51 1.6 15 4-15 96 92 330
1’’×1’’ D 108 79.5 51 15 9 4-15 25 108 79.5 51 1.6 15 4-15 100 100 350
1’’×2’’ E 108 79.5 51 15 9 4-15 50 152 120.5 92 1.6 18 4-19 114 105 350
1 1/2’’×1 1/2’’ G 127 98.5 73 18 10 4-15 40 127 98.5 73 1.6 18 4-15 110 115 370
1 1/2’’×2’’ G 127 98.5 73 18 10 4-15 50 152 120.5 92 1.6 18 4-19 110 115 370
2’’×3“ J 152 120.5 92 18 10 4-19 80 190 152.5 127 1.6 22 4-19 124 130 390
WA41C300, A41C300P, WA41C300R
Normal
Diameter DN (in)		 Dimension(mm)
do D D1 D2 B T z-￠d DN’ D’ D1’ D2’ T’ B’ z-￠d’ L L1 H
1/2’’×1/2’’ D 95 66.5 35 15 6 4-15 15 15 89 60.5 1.6 12 4-15 90 90 320
3/4’’×1’’ D 117 85.5 43 16 10 4-19 25 25 108 79.5 1.6 15 4-15 96 92 330
1’’×1’’ D 124 90 51 18 6 4-19 25 25 108 79.5 1.6 15 4-15 100 100 350
1’’×2’’ E 124 90 51 18 6 4-19 50 50 154 120.5 1.6 18 4-19 114 105 350
1 1/2’’×1 1/2’’ G 156 114.5 73 20 9 4-22 40 40 127 98.5 1.6 18 4-15 110 115 370
1 1/2’’×2’’ G 156 114.5 73 20 9 4-22 50 50 152 120.5 1.6 18 4-19 110 115 370
2’’×3“ J 165 127 92 22 8 8-19 80 80 190 152.5 1.6 22 4-19 124 130 390
Remark: 150Lb for outlet flange
WA41C1500
Normal
Demeter DN (in)		 Dimension(mm)
Do D D1 D2 b t z-￠d DN’ D’ D1’ D2’ b’ t’ z-￠d’ L L1 H
1’’×1’’ D 150 101.6 51 29 10 4-25 25 125 90 51 1.6 18 4-19 125 125 360
SERVICE CARD
The technical data subject to amend without notice