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Marwin - Model 3000 Series -3 Piece Ball Valve
FromMarwin Valve
Fire Safe, Full & Reduced Port, 3 Piece Ball Valve. The 3000 Series soft seat valve is engineered for high pressure applications and has built-in versatility, offering a variety of seat/seals, body materials and end connections. It is ideal for applications with pressures up to 4000 psi (275 bar) and temperatures to 600°F (315°C). Available with integral extended ends with "heat sink" construction allowing in-place welding without damage to seats and seals.
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- Up to 4000 psi service
- Special bar stock body material options including Alloy 20, Duplex, Hastelloy C, Monel, Titanium, 354 SMO, Bronze and others
- Special end connection options, including extended weld ends, RTJ flanges, DIN flanges, SAE Code 61/62 flanges, SAE O-ring, Grayloc, tube end and others
- ISO 5211 mounting pad
- Triple sealed blow-out proof stem
- Adjustable, live-loaded stem packing
- Deep pocketed resilient seats
- Double body end cap seals
- Enclosed end cap bolts threaded into body
- Statically grounded
- Lockout option
- API 607 firesafe with proper materials (CS or SS body, PTFE, RPTFE, or CRPTFE seats with graphite packing and seals)
- 100% pressure tested (API 598 optional)
- Size range: 1/4″ – 3″ full port; 1/2″ – 4″ reduced port
- Body Type: 3-pc, non swing-out design
- End connections: flanged, NPT, weld, custom
- Pressure rating: up to 4000 psi WOG (275 bar) and up to ASME Class 900²
- Temperature range / WSP: -20°F up to 550°F / up to 450 psi steam; -29°C up to 288°C / up to 31 bar steam
- Body, ball, stem material: standard and special allooys
- Ball seats / thrust washers: PTFE and others
- Stem packing: adjustable, live faded PTFE or Graphite
- Body seals: PTFE, Graphite, and others
- Operator/mounting pad: manual lever with optional lock / ISO 5211