Product Description
21A Brass Brass Gate Valve With Compression End PN20
21A series gate valve is super-design.suitable for domestic and commercial plumbing system, industrial application, sanitary, heating.waterworks, oil pipelines.used for non aggressive fluid only.
● Pressure rating:
PN20/292psi -- 1/2"~4" (DN15~100mm)
● Working temperature Min./Max.:
–20°C ~120°C (-4°F~248°F) in absence of steam
● Descriptions:
Forged brass body
PN25/363psi -- 1/2"~4" (DN15~100mm)
-20°(-150°((-4°F-302° F) in absence of steam
ISO 228 「equivalent to DIN EN 10226-1 and BS21」
Structure Charts
Part Code |
Size |
A/mm |
B/mm |
C/mm |
21AS301 |
1/4’’ |
33 |
65 |
48 |
21AS302 |
3/8’’ |
33 |
65 |
48 |
21AS303 |
1/2’’ |
33 |
65 |
48 |
21AS304 |
3/4’’ |
36 |
68 |
55 |
21AS305 |
1’’ |
41 |
85 |
60 |
21AS306 |
11/4’’ |
45 |
93 |
77 |
21AS307 |
11/2’’ |
49 |
106 |
80 |
21AS308 |
2’’ |
56 |
124 |
90 |
21AS309 |
21/2’’ |
64 |
153 |
99 |
21AS310 |
3’’ |
75 |
169 |
108 |
21AS311 |
4’’ |
83 |
199 |
129 |
1 |
Body |
High-density Forged Brass |
2 |
Wedge Disc |
High-density Forged Brass |
3 |
Stem |
Forged Brass |
4 |
Washer |
PTFE |
5 |
Bonnet |
Forged Brass |
6 |
Lock Nut |
Machined Brass Rod |
7 |
Packing Nut |
Machined Brass Rod |
8 |
Gland Packing |
PTFE |
9 |
Handwheel |
Aluminum |
10 |
Name Plate |
Aluminum |
11 |
Wheel Nut |
Stainless Steel |
12 |
Compression Ring |
H62 Brass |
13 |
Compression Nut |
Forged Brass |
The thread, color of handle, materials, etc. can be customized.