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Non Rising Stem Bellow Sealed Globe Valve
  • Non Rising Stem Bellow Sealed Globe Valve

Non Rising Stem Bellow Sealed Globe Valve has double seal to ensure more reliable capability.

Details

Main Structural Features of Non Rising Stem Bellow Sealed Globe Valve:

  1. This product has logical structure, reliable seal, excellent performance and nice design.
  2. Sealing face is overlayed by STL, which is friction-resistant, corrosion resistant to ensure a long time use life.
  3. Stem heat-treatment and surface nit riding-treatment to ensure function of corrosion resistance and friction resistance.
  4. It has double seal, thus the capability is more reliable.
  5. The stem may show the position of lift, thus it is more clearer.
  6. The parts material, flange and butt welding dimension may selected according to current operating condition or users’ requirement to meeting the requirement of various engineering.

Technical Specification of Non Rising Stem Bellow Sealed Globe Valve:

Construction: BB-BG, Non Rising Stem.

Operation: Manual, Pneumatic

Design Standard: DIN3356

Face to Face Dimension: DIN3202

Flange Ends: DIN2543-2545

Test & Inspection: DIN3230

 

Products performance specification

PN (MPa)

Shell Test (MPa)

Sealing Test (MPa)

Suitable Temp (℃)

Suitable Medium

1.6

2.4

1.76

-20℃-350℃

Water, Steam, Oil, Etc.

 

 

MAINPARTS MATERIALS

NO.

PART NAME

MATERIAL

1

Body

GS-C25, CF8, CF3

2

Disc

2Cr13, F304, F316

3

Hinge Pin

F304, F316

4

Bellows combination

F304, F316

5

Bonnet

GS-C25, CF8, CF3

6

Packing

Flexible graphite, PTFE

7

Gland

25#,  F304, F316

8

Hexagon Nut

25#,  F304, F316

9

Stem Nut

ZQA19-4

10

Hand wheel

Carbon Steel

11

Cap

Brass

12

Hexagon Nut

ASTM A193 2H, A193-8, A193-8M

13

Bolt

ASTM A193 B7, A193-B8, A193-B8M

14

Combination Gasket

Flexible graphite+S.S. PTFE

15

Stem

2Cr13, F304, F316

 

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