Rua do Progresso, lote 15 • Vilarinho das Cambas • V. N. Famalicão
+351 252 303 210

HFH6 Series

HFH6 Series


Pressure ratings
CL2500 (6000 psi)
Temperature range
-50ºC to 170ºC (-58°F to 338°F)
Size range
CL2500: ½” – 1″
Body style
Three Piece Bolted | Standard Bore
End connections
Welded | Threaded
Body materials
A479 316/L
Seat materials


Standard Features:
Hydrogen floating ball | Soft seated | Standard bore | Bidirectional
Fire safe design | Antistatic design
Live loaded stem packing
NACE MR0175 / ISO 15156 compliance
Double encapsulated body sealing
ISO 5211 top works for automation
Anti blowout stem
Self relieving seats | Pressure equalizing hole


Optional Features:
Upstream pressure relief hole
V-Port for flow control applications


Construction standards:

ASME B16.34 | ISO 17292
ISO 5211


End connection standards:

SW – ASME B16.11 Socket Weld

BW – ASME B16.25 and B36.10M Butt Weld

BW Nipple – ASME B16.25 and B36.10M Long Butt Weld

NPT – ASME B1.20.1 Threaded


Face to face standards:
Manufacturer standard


Pressure testing standards:
EN 12266-1 | ISO 5208 | API 598 Rate A


Body materials:
Standard: A479 316/L


Trim materials:
Ball / Stem – Standard: HS Stainless Steel | Optional: Alloy 718; others


Seat materials:
Standard: PEEK


Bolting materials:
Standard: A193 Gr. B8M cl.2


Product certification:

Fire tested acc. to API 607 and ISO 10497

ATEX 2014/34/EU

PED 2014/68/EU


Stem extensions with double packing
Simple stem extension
Lockable lever
Bracket for automation
Pneumatic actuator
Limit switch
Solenoid valve

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