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Hydrogen Soft Seat Needle Valves
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Hydrogen Soft Seat Needle Valves

  • Material of construction: 316 SS, PEEK, PTFE
  • Temperature Range: -58°F to +392°F (-50°C to +200°C)
  • Aluminum actuator (Air to Open)
  • Available as 2-way straight and 2-way angle
  • ATEX Approved
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Traditional metal-to-metal seated needle valves often fall short when it comes to achieving a leak-tight seal with gases. BuTech’s new Soft Seat Needle Valve (Patent Pending) combines the trusted performance of a traditional needle valve, with Chevron packing and a soft seat, delivering a true leak tight seal when closed.

  • Reliable containment for hydrogen and other gases
  • Tested to ISO standards
  • Ideal for Hydrogen refueling stations and compression systems, H2 generation, storage, and transfer, R&D lab gas distribution, test stands, tube trailer filling and general system shut off valves for most gases: Nitrogen, Hydrogen, Helium, Argon

 

Catalog Number

Connection

MAWP

Min. Orifice

Cv

A

B

C

D

E

F

G

H

I

J

K

8.5SNVM91-P-H2-ATO5

9/16” M/P

8,500 PSI

.25”

.78

10.88”

6.25”

2.50”

2.88”

1.25”

2.38”

1.75”

.50”

.69”

.34” Dia.

1.00”

8.5SNVM92-P-H2-ATO5

9/16” M/P

8,500 PSI

.25”

1.17

11.37”

6.25”

2.50”

3.38”

1.25”

N/A

1.75”

.50”

.69”

.34” Dia.

1.00”

8.5SNVP81-P-H2-ATO5

1/2” FNPT

8,500 PSI

.25”

.78

11.00”

6.25”

2.50”

3.00”

1.25”

2.38”

1.75”

.50”

.69”

.34” Dia.

1.00”

8.5SNVP82-P-H2-ATO5

1/2” FNPT

8,500 PSI

.25”

1.17

11.37”

6.25”

2.50”

3.38”

1.25”

N/A

1.75”

.50”

.69”

.34” Dia.

1.00”

 

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2-Way Straight Soft Seat Needle Valve

2-Way Straight Soft Seat Needle Valve
This design was tested with Nitrogen and Helium per ISO-19880-3 to 102,000 pressure cycles with the original packing set and soft seat.

2-Way Angle Soft Seat Needle Valve

2-Way Angle Soft Seat Needle Valve
This design was tested with Nitrogen and Helium per ISO-19880-3 to 102,000 pressure cycles with the original packing set and soft seat.

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BuTech - Hydrogen Valves Brochure 2025

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