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Jamesbury 530SB/730SB/9300B Blow Valve
Brand: ValmetThese valves are specifically designed for digester blow service, providing the inherent advantages of ball valves for this critical pulp-mill application.
Special features give these valves the capability to withstand characteristic extremes in pressure and temperature, passage of corrosive and abrasive media, thermal shock, and flashing.
The highest degree of versatility to meet varying digester conditions is provided by the availability of metal wrapped filled-PTFE seats for operations requiring shutoff capability of polymeric seats.
The balls are tunnel bored with rugged trunnion bearings to provide maximum flow and shock resistance for improved and long-lasting operation.
Specifications
Brand
Actuator Type
- Hydraulic
- Piston
- Pneumatic
Applications
- Pulp Mill Application
Approvals & Certifications
- Hydrostatic Pressure Test
Ball Material
- 316 Stainless Steel
- 317 Stainless Steel
Bearing Material
- Stem: Filled PTFE
- Trunnion: Nitronic 60
Cap Material
- Body: 316 Stainless Steel - ASTM A351 Typical CF8M
- Body: 317 Stainless Steel (ASTM A351 Typical CG8M)
Differential Pressure
- psi: 100 to 150 (kPa: 690 to 1,030, bar: 6.9 to 10.3)
Enclosure, Body Material
- 316 Stainless Steel - ASTM A351 CF8M, 1.4408
- 317 Stainless Steel - ASTM A351 CG8M
Flange Size - 10” (DN 250)
- 10” (DN 250) - 150# ANSI/ASME
- 10” (DN 250) - 300# ANSI/ASME
Flange Size - 12” (DN 300)
- 12” (DN 300) - 150# ANSI/ASME
- 12” (DN 300) - 300# ANSI/ASME
Flange Size - 6” (DN 150)
- 6” (DN 150) - 300# ANSI/ASME
Flange Size - 8” (DN 200)
- 8” (DN 200) - 150# ANSI/ASME
- 8” (DN 200) - 300# ANSI/ASME
Flange Type
- Raised Face (RF)
Flow Rate
- 1,890 to 3,900 Cv - 730SB Model
- 5,100 to 15,200 Cv - 9300B Model
- 6,700 Cv - 530SB Model
Materials of Construction
- Bearing Spacer: Filled PTFE
- Key: Carbon Steel
- Roll Pin, Bonnet Stud, Compression Plate, Lock Washer 10” (254 mm): Stainless Steel (ASTM A-193 Grade B8, B8C, or B8T Class 2)
- Trunnion Plate, Stem Retainer: 316 Stainless Steel - ASTM A351 Typical CF8M
- Trunnion Plate, Stem Retainer: 317 Stainless Stee (ASTM A351 Typical CG8M)
Media
- Water
Name Plate, Tag Material
- Stainless Steel
Nut & Bolt Material
- Bonnet Stud Nut, Body Stud Nut: Stainless Steel (ASTM A-194 Grade 8, 8C, 8M, 8T, 8F)
- Stem: Carbon Steel
Port
- Full
- Standard
Pressure Drop
- psi: 1 (kPa: 6.9, bar: 0.69)
Pressure Range
- psi: 480 to 720 (kPa: 3,340 to 4,960, bar: 33.4 to 49.6) - 316 Stainless Steel
Pressure Type
- Differential
Proof Pressure
- Test - psi: 1,100 (kPa: 7,500, bar: 75)
Ring Material
- Compression: Stainless Steel
Screw Material
- Hex Head Cap, Drive, Socket Head Cap: Stainless Steel (ASTM A193 Grade B8, B8C or B8T Class 2)
Seat / Seal Material
- Body Seal, Stem Retainer Seal: 316 Stainless Steel
- Body Seal: Alloy 20
- Seat, Body Seal, Upper Stem Seal, Stem Retainer Seal: Metal Wrapped Filled PTFE
- Seat: Polymer
- Secondary Stem Seal, Stem Retainer Seal: Graphite
Spring Material
- Grounding: Stainless Steel
Stem Material
- 316 Stainless Steel
- 317 Stainless Steel
Torque
- 1,490 to 2,850 Nm (13,200 to 25,200 In/Lbs)
- Pulp Mill