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Keystone Figure 139 Butterfly Marine Valve

The F139 is a wafer-type resilient seated butterfly valve designed specifically for marine/offshore platforms, ballast water, fire sprinkler, and seawater systems. It features resistance to seawater corrosion, bubble-tight shutoff, military-grade shock and vibration resistance, and fire safety certification. It meets the MIL‑V‑22133C naval standard and is suitable for offshore platforms, ship ballast tanks, fire deluge systems, as well as onshore industrial working conditions.

Details

Features

1.MIL-S-901C.

2.MIL-STD-167B.on selected trims only.Fire tested by Lloyds Register Certificate No. HOU-1094.



Specifications

Certifications

ABS

End Connection

Wafer

Application

Air Circulation, Ballast Control, Facilities & Process Utilities, Bulk Carrier

Material

Cast Iron, Ductile Iron, EPDM Rubber, Buna-N, Aluminum Bronze, 316 Stainless Steel

Operating Temperature

Up to 350 F (180 C)

Pressure Class

ASME

Process Connection Type

150RF

Seat/Seal Type

Resilient

Shutoff Class

Zero Leakage

Standards

ASME B16.34, API 609

Valve Size

NPS 2-1/2 / DN 65, NPS 3 / DN 80, NPS 4 / DN 100, NPS 6 / DN 150, NPS 8 / DN 200, NPS 10 / DN 250, NPS 14 / DN 350, NPS 16 / DN 400, NPS 18 / DN 450, NPS 20 / DN 500, 5 inch

Valve Size Standard

NPS

Valve Type

Butterfly

Media

Water, Vacuum, Air

Stem

O-ring



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Pictures show


Application area

能源

化工

矿业