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Jamesbury Series 7RRR Flanged Railroad Ball Valve
Brand: ValmetThe Jamesbury polymeric-seated flanged ball valves offer a patented flexible-lip seat design that provides positive bi-directional shut-off for your tank car applications.
The design incorporates a short body length to accommodate the top fittings requirements of today’s tank cars.
They are available with two raised face flanges (7RRR), one ASME raised face flange and one ASME tongue flange (7RRT), one ASME raised face flange and one square AAR flange (7RRU).
Polymeric-seated flanged ball valves are available in sizes 1" to 3" (25 to 75 mm).
Materials include carbon steel with 316 stainless steel trim or all stainless steel.
Seat material options include PTFE or Xtreme for applications involving abrasive media and services with significant temperature fluctuations, Xtreme is recommended.
Other materials are available for special applications.
Features- Robust engineering design
- Special tank car interface options
- Self relieving seat technology
- Low emissions stem seal technology
- High quality
Specifications
Brand
Applications
- Tank Car Applications
Approvals & Certifications
- API 608, 607
Ball Material
- 316 Stainless Steel
- Alloy 20 or Incoloy
Bearing Material
- Stem: Filled PTFE (Xtreme Seated Valve)
- Stem: Teflon
Bushing Material
- Stop: 316 Stainless Steel
Cap Material
- 316 Stainless Steel
- Carbon Steel (WCB)
Enclosure, Body Material
- 316 Stainless Steel - ASTM A351 CF8M, 1.4408
- Carbon Steel (ASTM A-216 Grade WCB)
Flange Type
- Raised Face (RF)
Flow Rate
- 45 to 350 Cv
Handle Assembly Material
- Handle: 300 Series Stainless Steel
- Handle: 316 Stainless Steel
Materials of Construction
- Compression Plate, Insert: 316 Stainless Steel
- Compression Plate: Stainless Steel
- Handle Stop: 630 Stainless Steel (17-4 PH)
- Insert, Indicator Stop: Carbon Steel
- Shakeproof Washer, Pop Rivet: 300 Series Stainless Steel
- V Ring Set: PTFE
- V Ring Set: TFM
Media
- Water
Name Plate, Tag Material
- Stainless Steel
Nut & Bolt Material
- Handle Nut, Bonnet Stud Nut: 300 Series Stainless Steel (ASTM A193 Grade B8, B8C, B8M, B8T)
Packing Material
- PTFE
- TFM
Port
- Standard
Pressure Drop
- psi: 1 (kPa: 6.9, bar: 0.69)
Pressure Rating
- psi: 200 (kPa: 1,400, bar: 14)
- psi: 600 (kPa: 4,100, bar: 41)
Ring Material
- Retaining: 300 Series Stainless Steel
Screw Material
- Handle: Carbon Steel
- Hex Head Cap: 300 Series Stainless Steel
Seat / Seal Material
- Body Seal, Stem Seal: TFM
- Seat, Stem Seal, Body Seal: PTFE (Virgin Teflon)
- Seat: Polymeric-seated
- Seat: XTREME
- Secondary Stem Seal: Graphite
Spring Material
- 300 Series Stainless Steel
- Disc: Inconel
Stem Material
- 316 Stainless Steel
- Alloy 20 or Incoloy
Temperature Range
- -29° to 260° C (-20° to 500° F) - Carbon Steel Body
- -51° to 260° C (-60° to 500° F) - 316 Stainless Steel Body
Valve Size
- 1” to 3” (25 to 80 mm)
Valve Type
- Manual
- Tank Car Applications