Ball Valve Threaded - Type FP2 | ADLER

ADLER FP2 Threaded Ball Valve

The ADLER FP2 is a 2-piece, full-bore threaded ball valve used for isolation duty in small-bore utility, process and industrial piping. It is suitable where a compact stainless steel shut-off valve is required and the piping specification calls for BSP or NPT threaded ends.

Technical Characteristics

• Nominal sizes: ¼” to 2”
• Pressure rating: PN40 to PN100, depending on size and configuration
• Body material: stainless steel ASTM A351 CF8M
• Threaded connections: BSP / ISO 7 Rp or NPT / ASME B1.20.1
• Seats: PTFE reinforced with glass fiber
• Stem sealing: chevron packing arrangement
• Anti blow-out stem design
• Antistatic device
• Top flange: ISO 5211 for actuator mounting

Standards and Available Executions

Design and construction references include EN 12516-2, ISO 14313, ANSI B1.1 and DIN 3202 M3. Available executions include PED, ATEX, SIL 3, ISO 15848 Class A fugitive emission design, and fire-safe versions according to ISO 10497 / API 607 or BS 6755 / API 607 / API 6FA.

Sealing and Stem Options

• Standard reinforced PTFE seat arrangement for general industrial fluids within the approved pressure-temperature envelope
• Optional O-ring stem sealing where the service and temperature range permit elastomer use
• Stem extension or cryogenic extension for insulated lines, cold service or restricted access
• Degreased execution for oxygen service according to ISO 23208
• Special alloy executions available, including Hastelloy, Titanium and Monel, subject to media compatibility review

Manual and Automated Operation

• Manual lever for standard on/off operation
• Oval handle where space or access is limited
• Gear operator for higher operating torque or frequent operation
• Pneumatic or electric actuator mounted through ISO 5211 interface
• Pneumatic or electro-pneumatic positioner where modulating control or feedback is required

Typical Applications and Suitable Media

Typical services include water, compressed air, process gases, chemical liquids, auxiliary circuits, skid-mounted packages and small-bore isolation points. The reinforced PTFE seat material and CF8M body shall be checked against the actual fluid, temperature, pressure cycling and cleaning procedure.

Variant Selection Notes

• Select BSP or NPT threads according to the plant piping standard; the two thread forms are not interchangeable.
• Use fire-safe execution where the line classification requires post-fire leakage limitation.
• Use ISO 15848 Class A execution where fugitive emission control is specified.
• Use ATEX execution in classified hazardous areas when required by the area classification study.
• Use actuator-ready configuration when remote isolation, interlock operation or control system feedback is required.

FAQ

Can the FP2 be used for throttling?
The valve is primarily intended for isolation. Limited control duty requires review of pressure drop, cavitation risk, seat wear and actuator sizing.

What must be checked before procurement?
Confirm size, PN rating, thread type, fluid compatibility, operating temperature, certification requirements, leakage class expectations and automation requirements.

When is an extended stem required?
An extended stem is typically selected for insulated pipework, cryogenic service or installations where handwheel, lever or actuator access is restricted.