SIZE RANGE AND PRESSURE CLASS
Size from 1/2” to 8” (DN15-DN200)
Pressure rating: 1.6 Mpa
DESIGN STANDARD
Design and Manufacture : DIN3357
Face to Face Length standards : DIN3202 DN15-DN100(F4), DN125-DN250 (F5)
Flange Ends Dimensions standards: DIN2533
Pressure test : DIN3230
TECHNICAL FEATURES
Cast iron body
Split body, side entry design
Floating ball design
Main Parts and Materials |
Number |
Part Name |
Material |
1 |
Body |
Grey Cast Iron(GG25 or GGG40) |
2 |
Bonnet |
Grey Cast Iron(GG25 or GGG40) |
3 |
Nut |
Carbon Steel |
4 |
Bolt |
Carbon Steel |
5 |
Ball |
Stainless steel(x10cr13) |
6 |
Seat |
PTFE |
7 |
Stem |
Stainless steel(x10cr13) |
8 |
Gland |
Cast Iron(GG25 or GGG40) |
9 |
Gland Bolt |
Carbon Steel |
10 |
Stop Collar |
Carbon Steel |
11 |
Lever |
Ductile Iron(GGG40) |
Main Dimensions |
Norminal diameter |
L |
H |
W |
D2 |
D1 |
D |
b |
n-b |
15 |
115 |
78 |
130 |
45 |
65 |
95 |
14 |
4-Φ14 |
20 |
120 |
113 |
160 |
58 |
75 |
105 |
16 |
4-Φ14 |
25 |
125 |
107 |
160 |
68 |
85 |
115 |
16 |
4-Φ14 |
32 |
130 |
113 |
160 |
78 |
105 |
140 |
18 |
4-Φ18 |
40 |
140 |
130 |
250 |
88 |
110 |
150 |
18 |
4-Φ18 |
50 |
150 |
146 |
250 |
102 |
125 |
165 |
20 |
4-Φ18 |
65 |
170 |
176 |
350 |
122 |
145 |
185 |
20 |
4-Φ18 |
80 |
180 |
222 |
350 |
138 |
160 |
200 |
22 |
8-Φ18 |
100 |
190 |
222 |
400 |
158 |
180 |
220 |
24 |
8-Φ18 |
125 |
325 |
257 |
750 |
188 |
210 |
250 |
26 |
8-Φ18 |
150 |
350 |
275 |
850 |
212 |
240 |
285 |
28 |
8-Φ23 |
200 |
400 |
400 |
1200 |
268 |
295 |
340 |
30 |
12-Φ23 |