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(M) PA 46, (M) PA 47, (M) PA 110 Blowdown Valves
Brand: GestraThe valves type MPA are provided with a diaphragm actuator suitable for compressed air or pressurized water and a rapid-closing mechanism.
The opening pulse is supplied by the automatic intermittent blowdown control unit type TA (cf. data sheet TA) or by the continuous blowdown controller LRR 1-40 SPECTORcontrol with CAN bus (cf. data sheet LRR 1-40).
The valves type PA are manually operated and feature a rapid-action mechanism.
Design: (M)PA 46 / (M)PA 47 Straight-through valves with rapid-closing mechanism and diaphragm actuator designed with flanged ends or butt-weld ends. MPA with diaphragm actuator, PA with hand lever (fastening clip). Self-tightening stuffing box with separate, externally adjustable preloading sleeve. The valve is provided with a radial stage nozzle.
(M)PA 110 Straight-through valve with rapid-closing mechanism and diaphragm actuator designed with flanged ends or buttweld ends. MPA with diaphragm actuator, PA with hand lever.
Specifications
Brand
Approvals & Certifications
- ATEX Directive 94/9/EC
- CE
- PED 97/23/EC
Cone Material
- Valve Cone, Hardened: Stainless Steel X39CrMo17-1 (1.4122) & X6CrNiMoTi17-12-2 (1.4571)
Diaphragm Material
- Diaphragm Actuator: Steel StW 23 (1.0334) (M)PA 46, (M)PA 47
Enclosure, Body Material
- Alloy Steel 13CrMo4-5: (M)PA 110
- Non-Alloy Steel P250 GH (1.0460): (M)PA 46, (M)PA 47
Flange Size - 1-1/2” (DN 40)
- 1-1/2” (DN 40) - 150# (ASME B16.34)
- 1-1/2” (DN 40) - 300# (ASME B16.34)
- 1-1/2” (DN 40) - 400# ASME B16.34
- 1-1/2” (DN 40) - PN 40 (EN 1092-1)
- 1-1/2” (DN 40) - PN 63 (EN 1092-1)
Flange Size - 1-1/4” (DN 32)
- 1-1/4” (DN 32) - 150# (ASME B16.34)
- 1-1/4” (DN 32) - 300# (ASME B16.34)
- 1-1/4” (DN 32) - PN 40 (EN 1092-1)
Flange Size - 1” (DN 25)
- 1” (DN 25) - 150# (ASME B16.34)
- 1” (DN 25) - 1500# (ASME B16.34)
- 1” (DN 25) - 300# (ASME B16.34)
- 1” (DN 25) - 400# ASME B16.34
- 1” (DN 25) - 600# (ASME B16.34)
- 1” (DN 25) - 900# (ASME B16.34)
- 1” (DN 25) - PN 100
- 1” (DN 25) - PN 40 (EN 1092-1)
- 1” (DN 25) - PN 160
- 1” (DN 25) - PN 250 (EN 1092-1)
- 1” (DN 25) - PN 63 (EN 1092-1)
Flange Size - 2” (DN 50)
- 2” (DN 50) - 150# (ASME B16.34)
- 2” (DN 50) - 300# (ASME B16.34)
- 2” (DN 50) - 400# ASME B16.34
- 2” (DN 50) - PN 40 (EN 1092-1)
- 2” (DN 50) - PN 63 (EN 1092-1)
Flange Size - 3/4” (DN 20)
- 3/4” (DN 20) - 150# (ASME B16.34)
- 3/4” (DN 20) - 300# (ASME B16.34)
- 3/4” (DN 20) - PN 40 (EN 1092-1)
Flow Rate
- (M)PA 110: 6.1 m³/hour (Kvs)
- (M)PA 46/47: 5.1 to 16.5 m³/hour (Kvs)
Gasket Material
- 304 Stainless Steel X5CrNi18-10 (1.4301): (M)PA 46, (M)PA 47
Interval Time
- Blowdown Interval: 30 minutes
Materials of Construction
- Control Fluid: EPDM (M)PA 46, (M)PA 47
- Stuffing Box Union (M)PA 46, (M)PA 47 & Valve Yoke (M)PA 110: Non-Alloy Steel P250 GH (1.0460)
Media
- Compressed Air
- Fluids
- Water
Nut & Bolt Material
- Alloy Steel 21CrMoV5-7 (1.7709) & 24CrMo5 (1.7258): (M)PA 110
Packing Material
- Graphite: (M)PA 110
- PTFE Yarn: (M)PA 46, (M)PA 47
Plug Material
- Sealing Plug: Alloy Steel 42CrMo4 (1.7225) (M)PA 46, (M)PA 47
Pressure Range
- (M)PA 110 - psi: 87.02 (kPa: 600, bar: 6) at 100° to 400° C (212° to 752° F)
- (M)PA 46 (M)PA 47 - psi: 116 (kPa: 800, bar: 8) at 100° to 400° C (212° to 752° F)
Seat / Seal Material
- Seat, Hardened: Stainless Steel X46Cr13 (1.4034) & X6CrNiMoTi17-12-2 (1.4571)
Spring Material
- Compression Spring: Carbon Steel EN 10270-1-SH (M)PA 110
- Disk Springs: Alloy Steel 51CrV4 (1.8159) (M)PA 46, (M)PA 47
Valves
- Valve Head: Cast Iron EN-GJMW-350-4 (M)PA 110
Welded Connection
- 1” Butt Weld End
- 1” Socket Weld End
- 1-1/2” Butt Weld End
- 1-1/2” Socket Weld End
- 1-1/4” Butt Weld End
- 1-1/4” Socket Weld End
- 2” Butt Weld End
- 2” Socket Weld End
- 3/4” Butt Weld End
- 3/4” Socket Weld End