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Jamesbury Series 33R Screwed NPT Ball Valve
Brand: ValmetJamesbury Series 33R ball valves are perfect for applications where positive, long-lasting shutoff is required. Ideal for vent, sampling, and gauge locations, these valves provide cost-effective shutoff.
Seating options permit the handling of a wide variety of fluids and vapors.
Series 33R valves are available in carbon steel with 316 stainless steel trim, or all 316 stainless steel.
Seat options include PTFE (T) for services to 204° C (400° F); filled PTFE (M) for abrasive services, service to 260° C (500° F), steam to psi: 175 (kPa: 1,200, bar: 12 bar) or for applications with wide temperature fluctuations.
Specifications
Brand
Approvals & Certifications
- API 607
- Hydrostatic Pressure Test
Ball Material
- 316 Stainless Steel
Bearing Material
- Stem: Filled PTFE
Enclosure, Body Material
- 316 Stainless Steel - ASTM A351 CF8M, 1.4408
- Carbon Steel (WCB)
Flow Rate
- 3 to 52 Cv
Handle Assembly Material
- Handle: Carbon Steel
- Handle: Stainless Steel
Materials of Construction
- Insert, Lock Washer: Carbon Steel
- Insert, Lower Stem Washer, Upper Stem Washer 1” to 2” (25 to 50 mm): 316 Stainless Steel
- Lock Washer: Stainless Steel
Media
- Fluids
- Steam
- Vapor
- Water
NPT Connection
- 1” NPT Female
- 1/2” NPT Female
- 1/4” NPT Female
- 1-1/2” NPT Female
- 2” NPT Female
- 3/4” NPT Female
- 3/8” NPT Female
Nut & Bolt Material
- Stem: 304 Stainless Steel
Operating Pressure
- psi: 2,000 (kPa: 13,800, bar: 138)
Operating Temperature
- -29° to 38° C (-20° to 100° F)
Pressure Drop
- psi: 1 (kPa: 6.9, bar: 0.69)
Pressure Type
- Differential
Seat / Seal Material
- Seat: Polymer
- Seat: PTFE / Filled PTFE
- Stem Seal: Graphite
Stem Material
- 316 Stainless Steel
Trim Material
- 316 Stainless Steel
Valve Size
- 1/4” to 2” (8 to 50 mm)
Valve Type
- Manual