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Home > Hydrogen Products > Double Block and Bleed Needle Valves > Item # 21DBBNV4M4P  

Item # 21DBBNV4M4P, 4.882 Inch (in) Stem in Closed Position (A) Double Block and Bleed Needle Valve
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Maximator® series DBBNV Double Block and Bleed Needle Valves with metal to metal seats have a high level of safety and reliability under adverse operating conditions. Double Block and Bleed Needle Valves are three stem manifold valves designed for blocking and bleeding in test and pressure monitoring applications as well as for chemical injection or drain line isolation up to 22,500 psi (1,550 bar).

Due to the standard valve packing and Vee stem design, Maximator® double block and bleed needle valves are very compact and easy to use. In addition, manifold style valves reduce the number of fittings and space required for installation.




Specifications  · Dimensions  · Note

Specifications

Material
Valve Body: 1.4404 (SST 316L)
Valve Stem: 1.4542 (17-4PH)

Pressure Range
22,500 psi
1,550 bar

Stem Type
Vee Stem

Tube Outer Diameter (O.D.)
1/4 in

Orifice Diameter
0.11 in
2.7 mm

Block Type
Double

Vent Connection
1/4 in.
1/4 in. National Pipe Thread (NPT)


Dimensions

Stem in Closed Position (A)
4.882 in
124 mm

Dimension B
2.13 in
54.1 mm

Dimension C
4.63 in
117.6 mm

Dimension D
3.252 in
82.6 mm

Dimension E
6.205 in
157.6 mm

Dimension F
1.00 in
25.4 mm

Dimension G
2.626 in
66.7 mm

Dimension H
0.378 in
9.6 mm

Dimension I
5.252 in
133.4 mm

Dimension J
3.012 in
76.5 mm

Dimension K
0.50 in
12.7 mm

Dimension L
1.50 in
38.1 mm

Dimension M
0.50 in
12.7 mm


Note
All dimensions are for reference only and are subject to change.
Panel mounting screw thread size 10-24 UNC (screw included.)
All technical and dimensional information subject to change. All general Terms and Conditions or sale, including limitations or our liability, apply to all products and services sold.


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